diff options
| author | Deepak Nibade <dnibade@nvidia.com> | 2014-03-11 16:06:31 +0530 |
|---|---|---|
| committer | Deepak Nibade <dnibade@nvidia.com> | 2014-03-13 11:01:40 +0530 |
| commit | 50a3a706c880500ec305e7af51bd5f2363a8cc44 (patch) | |
| tree | 5048357e0f00ac220b671942e210d41d0c739a5c | |
| parent | 40a66a5c983a8bf93a8860bd9500bfea83411e08 (diff) | |
| parent | 6969595f011b46b49c3f1b9e0bd7da27768c1fd9 (diff) | |
Merge branch 'linux-3.10.33' into dev-kernel-3.10
Bug 1456092
Change-Id: I3021247ec68a3c2dddd9e98cde13d70a45191d53
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
625 files changed, 6015 insertions, 2803 deletions
diff --git a/Documentation/devicetree/bindings/ata/marvell.txt b/Documentation/devicetree/bindings/ata/marvell.txt index b5cdd20cde9c..1c8351604d38 100644 --- a/Documentation/devicetree/bindings/ata/marvell.txt +++ b/Documentation/devicetree/bindings/ata/marvell.txt @@ -1,7 +1,7 @@ * Marvell Orion SATA Required Properties: -- compatibility : "marvell,orion-sata" +- compatibility : "marvell,orion-sata" or "marvell,armada-370-sata" - reg : Address range of controller - interrupts : Interrupt controller is using - nr-ports : Number of SATA ports in use. diff --git a/Documentation/filesystems/proc.txt b/Documentation/filesystems/proc.txt index e0eb9d287312..7ce8ef7d764a 100644 --- a/Documentation/filesystems/proc.txt +++ b/Documentation/filesystems/proc.txt @@ -1378,8 +1378,8 @@ may allocate from based on an estimation of its current memory and swap use. For example, if a task is using all allowed memory, its badness score will be 1000. If it is using half of its allowed memory, its score will be 500. -There is an additional factor included in the badness score: root -processes are given 3% extra memory over other tasks. +There is an additional factor included in the badness score: the current memory +and swap usage is discounted by 3% for root processes. The amount of "allowed" memory depends on the context in which the oom killer was called. If it is due to the memory assigned to the allocating task's cpuset diff --git a/Documentation/i2c/busses/i2c-i801 b/Documentation/i2c/busses/i2c-i801 index d55b8ab2d10f..d29dea0f3232 100644 --- a/Documentation/i2c/busses/i2c-i801 +++ b/Documentation/i2c/busses/i2c-i801 @@ -24,6 +24,7 @@ Supported adapters: * Intel Lynx Point-LP (PCH) * Intel Avoton (SOC) * Intel Wellsburg (PCH) + * Intel Coleto Creek (PCH) Datasheets: Publicly available at the Intel website On Intel Patsburg and later chipsets, both the normal host SMBus controller diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index 2fe6e767b3d6..1311a48a7367 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -1456,6 +1456,10 @@ bytes respectively. Such letter suffixes can also be entirely omitted. * dump_id: dump IDENTIFY data. + * atapi_dmadir: Enable ATAPI DMADIR bridge support + + * disable: Disable this device. + If there are multiple matching configurations changing the same attribute, the last one is used. diff --git a/Documentation/networking/packet_mmap.txt b/Documentation/networking/packet_mmap.txt index 23dd80e82b8e..0f4376ec8852 100644 --- a/Documentation/networking/packet_mmap.txt +++ b/Documentation/networking/packet_mmap.txt @@ -123,6 +123,16 @@ Transmission process is similar to capture as shown below. [shutdown] close() --------> destruction of the transmission socket and deallocation of all associated resources. +Socket creation and destruction is also straight forward, and is done +the same way as in capturing described in the previous paragraph: + + int fd = socket(PF_PACKET, mode, 0); + +The protocol can optionally be 0 in case we only want to transmit +via this socket, which avoids an expensive call to packet_rcv(). +In this case, you also need to bind(2) the TX_RING with sll_protocol = 0 +set. Otherwise, htons(ETH_P_ALL) or any other protocol, for example. + Binding the socket to your network interface is mandatory (with zero copy) to know the header size of frames used in the circular buffer. @@ -1,6 +1,6 @@ VERSION = 3 PATCHLEVEL = 10 -SUBLEVEL = 24 +SUBLEVEL = 33 EXTRAVERSION = NAME = TOSSUG Baby Fish diff --git a/arch/arm/boot/dts/exynos5250.dtsi b/arch/arm/boot/dts/exynos5250.dtsi index fc9fb3d526e2..cdbdc4dfef22 100644 --- a/arch/arm/boot/dts/exynos5250.dtsi +++ b/arch/arm/boot/dts/exynos5250.dtsi @@ -545,7 +545,7 @@ compatible = "arm,pl330", "arm,primecell"; reg = <0x10800000 0x1000>; interrupts = <0 33 0>; - clocks = <&clock 271>; + clocks = <&clock 346>; clock-names = "apb_pclk"; #dma-cells = <1>; #dma-channels = <8>; diff --git a/arch/arm/include/asm/arch_timer.h b/arch/arm/include/asm/arch_timer.h index 7c1bfc0aea0c..accefe099182 100644 --- a/arch/arm/include/asm/arch_timer.h +++ b/arch/arm/include/asm/arch_timer.h @@ -80,15 +80,6 @@ static inline u32 arch_timer_get_cntfrq(void) return val; } -static inline u64 arch_counter_get_cntpct(void) -{ - u64 cval; - - isb(); - asm volatile("mrrc p15, 0, %Q0, %R0, c14" : "=r" (cval)); - return cval; -} - static inline u64 arch_counter_get_cntvct(void) { u64 cval; diff --git a/arch/arm/include/asm/cacheflush.h b/arch/arm/include/asm/cacheflush.h index 3e94af33aa6f..36324ec41095 100644 --- a/arch/arm/include/asm/cacheflush.h +++ b/arch/arm/include/asm/cacheflush.h @@ -213,6 +213,7 @@ extern void copy_to_user_page(struct vm_area_struct *, struct page *, static inline void __flush_icache_all(void) { __flush_icache_preferred(); + dsb(); } /* diff --git a/arch/arm/include/asm/spinlock.h b/arch/arm/include/asm/spinlock.h index 6220e9fdf4c7..dd64cc6f9cba 100644 --- a/arch/arm/include/asm/spinlock.h +++ b/arch/arm/include/asm/spinlock.h @@ -97,19 +97,22 @@ static inline void arch_spin_lock(arch_spinlock_t *lock) static inline int arch_spin_trylock(arch_spinlock_t *lock) { - unsigned long tmp; + unsigned long contended, res; u32 slock; - __asm__ __volatile__( -" ldrex %0, [%2]\n" -" subs %1, %0, %0, ror #16\n" -" addeq %0, %0, %3\n" -" strexeq %1, %0, [%2]" - : "=&r" (slock), "=&r" (tmp) - : "r" (&lock->slock), "I" (1 << TICKET_SHIFT) - : "cc"); - - if (tmp == 0) { + do { + __asm__ __volatile__( + " ldrex %0, [%3]\n" + " mov %2, #0\n" + " subs %1, %0, %0, ror #16\n" + " addeq %0, %0, %4\n" + " strexeq %2, %0, [%3]" + : "=&r" (slock), "=&r" (contended), "=r" (res) + : "r" (&lock->slock), "I" (1 << TICKET_SHIFT) + : "cc"); + } while (res); + + if (!contended) { smp_mb(); return 1; } else { @@ -165,17 +168,20 @@ static inline void arch_write_lock(arch_rwlock_t *rw) static inline int arch_write_trylock(arch_rwlock_t *rw) { - unsigned long tmp; - - __asm__ __volatile__( -" ldrex %0, [%1]\n" -" teq %0, #0\n" -" strexeq %0, %2, [%1]" - : "=&r" (tmp) - : "r" (&rw->lock), "r" (0x80000000) - : "cc"); - - if (tmp == 0) { + unsigned long contended, res; + + do { + __asm__ __volatile__( + " ldrex %0, [%2]\n" + " mov %1, #0\n" + " teq %0, #0\n" + " strexeq %1, %3, [%2]" + : "=&r" (contended), "=&r" (res) + : "r" (&rw->lock), "r" (0x80000000) + : "cc"); + } while (res); + + if (!contended) { smp_mb(); return 1; } else { @@ -251,18 +257,26 @@ static inline void arch_read_unlock(arch_rwlock_t *rw) static inline int arch_read_trylock(arch_rwlock_t *rw) { - unsigned long tmp, tmp2 = 1; - - __asm__ __volatile__( -" ldrex %0, [%2]\n" -" adds %0, %0, #1\n" -" strexpl %1, %0, [%2]\n" - : "=&r" (tmp), "+r" (tmp2) - : "r" (&rw->lock) - : "cc"); - - smp_mb(); - return tmp2 == 0; + unsigned long contended, res; + + do { + __asm__ __volatile__( + " ldrex %0, [%2]\n" + " mov %1, #0\n" + " adds %0, %0, #1\n" + " strexpl %1, %0, [%2]" + : "=&r" (contended), "=&r" (res) + : "r" (&rw->lock) + : "cc"); + } while (res); + + /* If the lock is negative, then it is already held for write. */ + if (contended < 0x80000000) { + smp_mb(); + return 1; + } else { + return 0; + } } /* read_can_lock - would read_trylock() succeed? */ diff --git a/arch/arm/kernel/hyp-stub.S b/arch/arm/kernel/hyp-stub.S index 1315c4ccfa56..dbe21107945a 100644 --- a/arch/arm/kernel/hyp-stub.S +++ b/arch/arm/kernel/hyp-stub.S @@ -153,6 +153,8 @@ THUMB( orr r7, #(1 << 30) ) @ HSCTLR.TE mrc p15, 4, r7, c14, c1, 0 @ CNTHCTL orr r7, r7, #3 @ PL1PCEN | PL1PCTEN mcr p15, 4, r7, c14, c1, 0 @ CNTHCTL + mov r7, #0 + mcrr p15, 4, r7, r7, c14 @ CNTVOFF 1: #endif diff --git a/arch/arm/kernel/machine_kexec.c b/arch/arm/kernel/machine_kexec.c index 4fb074c446bf..163b160c69e9 100644 --- a/arch/arm/kernel/machine_kexec.c +++ b/arch/arm/kernel/machine_kexec.c @@ -73,6 +73,7 @@ void machine_crash_nonpanic_core(void *unused) crash_save_cpu(®s, smp_processor_id()); flush_cache_all(); + set_cpu_online(smp_processor_id(), false); atomic_dec(&waiting_for_crash_ipi); while (1) cpu_relax(); diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c index bd53e5a63e21..9bef87c80139 100644 --- a/arch/arm/kernel/process.c +++ b/arch/arm/kernel/process.c @@ -544,6 +544,7 @@ EXPORT_SYMBOL(dump_fpu); unsigned long get_wchan(struct task_struct *p) { struct stackframe frame; + unsigned long stack_page; int count = 0; if (!p || p == current || p->state == TASK_RUNNING) return 0; @@ -552,9 +553,11 @@ unsigned long get_wchan(struct task_struct *p) frame.sp = thread_saved_sp(p); frame.lr = 0; /* recovered from the stack */ frame.pc = thread_saved_pc(p); + stack_page = (unsigned long)task_stack_page(p); do { - int ret = unwind_frame(&frame); - if (ret < 0) + if (frame.sp < stack_page || + frame.sp >= stack_page + THREAD_SIZE || + unwind_frame(&frame) < 0) return 0; if (!in_sched_functions(frame.pc)) return frame.pc; diff --git a/arch/arm/kernel/stacktrace.c b/arch/arm/kernel/stacktrace.c index 00f79e59985b..af4e8c8a5422 100644 --- a/arch/arm/kernel/stacktrace.c +++ b/arch/arm/kernel/stacktrace.c @@ -31,7 +31,7 @@ int notrace unwind_frame(struct stackframe *frame) high = ALIGN(low, THREAD_SIZE); /* check current frame pointer is within bounds */ - if (fp < (low + 12) || fp + 4 >= high) + if (fp < low + 12 || fp > high - 4) return -EINVAL; /* restore the registers from the stack frame */ diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c index 6b9567e19bdc..d6a0fdb6c2ee 100644 --- a/arch/arm/kernel/traps.c +++ b/arch/arm/kernel/traps.c @@ -35,7 +35,13 @@ #include <asm/tls.h> #include <asm/system_misc.h> -static const char *handler[]= { "prefetch abort", "data abort", "address exception", "interrupt" }; +static const char *handler[]= { + "prefetch abort", + "data abort", + "address exception", + "interrupt", + "undefined instruction", +}; void *vectors_page; diff --git a/arch/arm/kvm/interrupts_head.S b/arch/arm/kvm/interrupts_head.S index 2b44b95a86dd..6f18695a09cb 100644 --- a/arch/arm/kvm/interrupts_head.S +++ b/arch/arm/kvm/interrupts_head.S @@ -503,6 +503,10 @@ vcpu .req r0 @ vcpu pointer always in r0 add r5, vcpu, r4 strd r2, r3, [r5] + @ Ensure host CNTVCT == CNTPCT + mov r2, #0 + mcrr p15, 4, r2, r2, c14 @ CNTVOFF + 1: #endif @ Allow physical timer/counter access for the host diff --git a/arch/arm/mach-at91/sam9_smc.c b/arch/arm/mach-at91/sam9_smc.c index 99a0a1d2b7dc..b26156bf15db 100644 --- a/arch/arm/mach-at91/sam9_smc.c +++ b/arch/arm/mach-at91/sam9_smc.c @@ -101,7 +101,7 @@ static void sam9_smc_cs_read(void __iomem *base, /* Pulse register */ val = __raw_readl(base + AT91_SMC_PULSE); - config->nwe_setup = val & AT91_SMC_NWEPULSE; + config->nwe_pulse = val & AT91_SMC_NWEPULSE; config->ncs_write_pulse = (val & AT91_SMC_NCS_WRPULSE) >> 8; config->nrd_pulse = (val & AT91_SMC_NRDPULSE) >> 16; config->ncs_read_pulse = (val & AT91_SMC_NCS_RDPULSE) >> 24; diff --git a/arch/arm/mach-footbridge/dc21285-timer.c b/arch/arm/mach-footbridge/dc21285-timer.c index 9ee78f7b4990..782f6c71fa0a 100644 --- a/arch/arm/mach-footbridge/dc21285-timer.c +++ b/arch/arm/mach-footbridge/dc21285-timer.c @@ -96,11 +96,12 @@ static struct irqaction footbridge_timer_irq = { void __init footbridge_timer_init(void) { struct clock_event_device *ce = &ckevt_dc21285; + unsigned rate = DIV_ROUND_CLOSEST(mem_fclk_21285, 16); - clocksource_register_hz(&cksrc_dc21285, (mem_fclk_21285 + 8) / 16); + clocksource_register_hz(&cksrc_dc21285, rate); setup_irq(ce->irq, &footbridge_timer_irq); ce->cpumask = cpumask_of(smp_processor_id()); - clockevents_config_and_register(ce, mem_fclk_21285, 0x4, 0xffffff); + clockevents_config_and_register(ce, rate, 0x4, 0xffffff); } diff --git a/arch/arm/mach-highbank/highbank.c b/arch/arm/mach-highbank/highbank.c index e7df2dd43a40..5ed19e88874b 100644 --- a/arch/arm/mach-highbank/highbank.c +++ b/arch/arm/mach-highbank/highbank.c @@ -68,6 +68,7 @@ void highbank_set_cpu_jump(int cpu, void *jump_addr) #ifdef CONFIG_CACHE_L2X0 static void highbank_l2x0_disable(void) { + outer_flush_all(); /* Disable PL310 L2 Cache controller */ highbank_smc1(0x102, 0x0); } diff --git a/arch/arm/mach-omap2/gpmc.c b/arch/arm/mach-omap2/gpmc.c index 6c4da1254f53..55bcb77c623e 100644 --- a/arch/arm/mach-omap2/gpmc.c +++ b/arch/arm/mach-omap2/gpmc.c @@ -1335,7 +1335,7 @@ static void __maybe_unused gpmc_read_timings_dt(struct device_node *np, of_property_read_bool(np, "gpmc,time-para-granularity"); } -#ifdef CONFIG_MTD_NAND +#if IS_ENABLED(CONFIG_MTD_NAND) static const char * const nand_ecc_opts[] = { [OMAP_ECC_HAMMING_CODE_DEFAULT] = "sw", @@ -1391,7 +1391,7 @@ static int gpmc_probe_nand_child(struct platform_device *pdev, } #endif -#ifdef CONFIG_MTD_ONENAND +#if IS_ENABLED(CONFIG_MTD_ONENAND) static int gpmc_probe_onenand_child(struct platform_device *pdev, struct device_node *child) { diff --git a/arch/arm/mach-omap2/omap4-common.c b/arch/arm/mach-omap2/omap4-common.c index 13b27ffaf45e..ab99ab8fce8a 100644 --- a/arch/arm/mach-omap2/omap4-common.c +++ b/arch/arm/mach-omap2/omap4-common.c @@ -162,6 +162,7 @@ void __iomem *omap4_get_l2cache_base(void) static void omap4_l2x0_disable(void) { + outer_flush_all(); /* Disable PL310 L2 Cache controller */ omap_smc1(0x102, 0x0); } diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c index 7341eff63f56..44c609a1ec5d 100644 --- a/arch/arm/mach-omap2/omap_hwmod.c +++ b/arch/arm/mach-omap2/omap_hwmod.c @@ -399,7 +399,7 @@ static int _set_clockactivity(struct omap_hwmod *oh, u8 clockact, u32 *v) } /** - * _set_softreset: set OCP_SYSCONFIG.CLOCKACTIVITY bits in @v + * _set_softreset: set OCP_SYSCONFIG.SOFTRESET bit in @v * @oh: struct omap_hwmod * * @v: pointer to register contents to modify * @@ -427,6 +427,36 @@ static int _set_softreset(struct omap_hwmod *oh, u32 *v) } /** + * _clear_softreset: clear OCP_SYSCONFIG.SOFTRESET bit in @v + * @oh: struct omap_hwmod * + * @v: pointer to register contents to modify + * + * Clear the SOFTRESET bit in @v for hwmod @oh. Returns -EINVAL upon + * error or 0 upon success. + */ +static int _clear_softreset(struct omap_hwmod *oh, u32 *v) +{ + u32 softrst_mask; + + if (!oh->class->sysc || + !(oh->class->sysc->sysc_flags & SYSC_HAS_SOFTRESET)) + return -EINVAL; + + if (!oh->class->sysc->sysc_fields) { + WARN(1, + "omap_hwmod: %s: sysc_fields absent for sysconfig class\n", + oh->name); + return -EINVAL; + } + + softrst_mask = (0x1 << oh->class->sysc->sysc_fields->srst_shift); + + *v &= ~softrst_mask; + + return 0; +} + +/** * _wait_softreset_complete - wait for an OCP softreset to complete * @oh: struct omap_hwmod * to wait on * @@ -1909,6 +1939,12 @@ static int _ocp_softreset(struct omap_hwmod *oh) ret = _set_softreset(oh, &v); if (ret) goto dis_opt_clks; + + _write_sysconfig(v, oh); + ret = _clear_softreset(oh, &v); + if (ret) + goto dis_opt_clks; + _write_sysconfig(v, oh); if (oh->class->sysc->srst_udelay) @@ -3148,6 +3184,11 @@ int omap_hwmod_softreset(struct omap_hwmod *oh) goto error; _write_sysconfig(v, oh); + ret = _clear_softreset(oh, &v); + if (ret) + goto error; + _write_sysconfig(v, oh); + error: return ret; } diff --git a/arch/arm/mach-omap2/omap_hwmod_2xxx_ipblock_data.c b/arch/arm/mach-omap2/omap_hwmod_2xxx_ipblock_data.c index d05fc7b54567..83735b72895d 100644 --- a/arch/arm/mach-omap2/omap_hwmod_2xxx_ipblock_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_2xxx_ipblock_data.c @@ -796,7 +796,7 @@ struct omap_hwmod omap2xxx_counter_32k_hwmod = { /* gpmc */ static struct omap_hwmod_irq_info omap2xxx_gpmc_irqs[] = { - { .irq = 20 }, + { .irq = 20 + OMAP_INTC_START, }, { .irq = -1 } }; @@ -841,7 +841,7 @@ static struct omap_hwmod_class omap2_rng_hwmod_class = { }; static struct omap_hwmod_irq_info omap2_rng_mpu_irqs[] = { - { .irq = 52 }, + { .irq = 52 + OMAP_INTC_START, }, { .irq = -1 } }; diff --git a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c index 31c7126eb3bb..9f6238c9dfc9 100644 --- a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c @@ -1930,7 +1930,8 @@ static struct omap_hwmod_class_sysconfig omap3xxx_usb_host_hs_sysc = { .syss_offs = 0x0014, .sysc_flags = (SYSC_HAS_MIDLEMODE | SYSC_HAS_CLOCKACTIVITY | SYSC_HAS_SIDLEMODE | SYSC_HAS_ENAWAKEUP | - SYSC_HAS_SOFTRESET | SYSC_HAS_AUTOIDLE), + SYSC_HAS_SOFTRESET | SYSC_HAS_AUTOIDLE | + SYSS_HAS_RESET_STATUS), .idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART | MSTANDBY_FORCE | MSTANDBY_NO | MSTANDBY_SMART), .sysc_fields = &omap_hwmod_sysc_type1, @@ -2008,15 +2009,7 @@ static struct omap_hwmod omap3xxx_usb_host_hs_hwmod = { * hence HWMOD_SWSUP_MSTANDBY */ - /* - * During system boot; If the hwmod framework resets the module - * the module will have smart idle settings; which can lead to deadlock - * (above Errata Id:i660); so, dont reset the module during boot; - * Use HWMOD_INIT_NO_RESET. - */ - - .flags = HWMOD_SWSUP_SIDLE | HWMOD_SWSUP_MSTANDBY | - HWMOD_INIT_NO_RESET, + .flags = HWMOD_SWSUP_SIDLE | HWMOD_SWSUP_MSTANDBY, }; /* @@ -2159,7 +2152,7 @@ static struct omap_hwmod_class omap3xxx_gpmc_hwmod_class = { }; static struct omap_hwmod_irq_info omap3xxx_gpmc_irqs[] = { - { .irq = 20 }, + { .irq = 20 + OMAP_INTC_START, }, { .irq = -1 } }; @@ -2993,7 +2986,7 @@ static struct omap_mmu_dev_attr mmu_isp_dev_attr = { static struct omap_hwmod omap3xxx_mmu_isp_hwmod; static struct omap_hwmod_irq_info omap3xxx_mmu_isp_irqs[] = { - { .irq = 24 }, + { .irq = 24 + OMAP_INTC_START, }, { .irq = -1 } }; @@ -3035,7 +3028,7 @@ static struct omap_mmu_dev_attr mmu_iva_dev_attr = { static struct omap_hwmod omap3xxx_mmu_iva_hwmod; static struct omap_hwmod_irq_info omap3xxx_mmu_iva_irqs[] = { - { .irq = 28 }, + { .irq = 28 + OMAP_INTC_START, }, { .irq = -1 } }; diff --git a/arch/arm/mach-pxa/reset.c b/arch/arm/mach-pxa/reset.c index 3fab583755d4..0616390b857f 100644 --- a/arch/arm/mach-pxa/reset.c +++ b/arch/arm/mach-pxa/reset.c @@ -13,6 +13,7 @@ #include <mach/regs-ost.h> #include <mach/reset.h> +#include <mach/smemc.h> unsigned int reset_status; EXPORT_SYMBOL(reset_status); @@ -81,6 +82,12 @@ static void do_hw_reset(void) writel_relaxed(OSSR_M3, OSSR); /* ... in 100 ms */ writel_relaxed(readl_relaxed(OSCR) + 368640, OSMR3); + /* + * SDRAM hangs on watchdog reset on Marvell PXA270 (erratum 71) + * we put SDRAM into self-refresh to prevent that + */ + while (1) + writel_relaxed(MDREFR_SLFRSH, MDREFR); } void pxa_restart(char mode, const char *cmd) @@ -104,4 +111,3 @@ void pxa_restart(char mode, const char *cmd) break; } } - diff --git a/arch/arm/mach-pxa/tosa.c b/arch/arm/mach-pxa/tosa.c index 3d91d2e5bf3a..d91fcf403cee 100644 --- a/arch/arm/mach-pxa/tosa.c +++ b/arch/arm/mach-pxa/tosa.c @@ -424,57 +424,57 @@ static struct platform_device tosa_power_device = { * Tosa Keyboard */ static const uint32_t tosakbd_keymap[] = { - KEY(0, 2, KEY_W), - KEY(0, 6, KEY_K), - KEY(0, 7, KEY_BACKSPACE), - KEY(0, 8, KEY_P), - KEY(1, 1, KEY_Q), - KEY(1, 2, KEY_E), - KEY(1, 3, KEY_T), - KEY(1, 4, KEY_Y), - KEY(1, 6, KEY_O), - KEY(1, 7, KEY_I), - KEY(1, 8, KEY_COMMA), - KEY(2, 1, KEY_A), - KEY(2, 2, KEY_D), - KEY(2, 3, KEY_G), - KEY(2, 4, KEY_U), - KEY(2, 6, KEY_L), - KEY(2, 7, KEY_ENTER), - KEY(2, 8, KEY_DOT), - KEY(3, 1, KEY_Z), - KEY(3, 2, KEY_C), - KEY(3, 3, KEY_V), - KEY(3, 4, KEY_J), - KEY(3, 5, TOSA_KEY_ADDRESSBOOK), - KEY(3, 6, TOSA_KEY_CANCEL), - KEY(3, 7, TOSA_KEY_CENTER), - KEY(3, 8, TOSA_KEY_OK), - KEY(3, 9, KEY_LEFTSHIFT), - KEY(4, 1, KEY_S), - KEY(4, 2, KEY_R), - KEY(4, 3, KEY_B), - KEY(4, 4, KEY_N), - KEY(4, 5, TOSA_KEY_CALENDAR), - KEY(4, 6, TOSA_KEY_HOMEPAGE), - KEY(4, 7, KEY_LEFTCTRL), - KEY(4, 8, TOSA_KEY_LIGHT), - KEY(4, 10, KEY_RIGHTSHIFT), - KEY(5, 1, KEY_TAB), - KEY(5, 2, KEY_SLASH), - KEY(5, 3, KEY_H), - KEY(5, 4, KEY_M), - KEY(5, 5, TOSA_KEY_MENU), - KEY(5, 7, KEY_UP), - KEY(5, 11, TOSA_KEY_FN), - KEY(6, 1, KEY_X), - KEY(6, 2, KEY_F), - KEY(6, 3, KEY_SPACE), - KEY(6, 4, KEY_APOSTROPHE), - KEY(6, 5, TOSA_KEY_MAIL), - KEY(6, 6, KEY_LEFT), - KEY(6, 7, KEY_DOWN), - KEY(6, 8, KEY_RIGHT), + KEY(0, 1, KEY_W), + KEY(0, 5, KEY_K), + KEY(0, 6, KEY_BACKSPACE), + KEY(0, 7, KEY_P), + KEY(1, 0, KEY_Q), + KEY(1, 1, KEY_E), + KEY(1, 2, KEY_T), + KEY(1, 3, KEY_Y), + KEY(1, 5, KEY_O), + KEY(1, 6, KEY_I), + KEY(1, 7, KEY_COMMA), + KEY(2, 0, KEY_A), + KEY(2, 1, KEY_D), + KEY(2, 2, KEY_G), + KEY(2, 3, KEY_U), + KEY(2, 5, KEY_L), + KEY(2, 6, KEY_ENTER), + KEY(2, 7, KEY_DOT), + KEY(3, 0, KEY_Z), + KEY(3, 1, KEY_C), + KEY(3, 2, KEY_V), + KEY(3, 3, KEY_J), + KEY(3, 4, TOSA_KEY_ADDRESSBOOK), + KEY(3, 5, TOSA_KEY_CANCEL), + KEY(3, 6, TOSA_KEY_CENTER), + KEY(3, 7, TOSA_KEY_OK), + KEY(3, 8, KEY_LEFTSHIFT), + KEY(4, 0, KEY_S), + KEY(4, 1, KEY_R), + KEY(4, 2, KEY_B), + KEY(4, 3, KEY_N), + KEY(4, 4, TOSA_KEY_CALENDAR), + KEY(4, 5, TOSA_KEY_HOMEPAGE), + KEY(4, 6, KEY_LEFTCTRL), + KEY(4, 7, TOSA_KEY_LIGHT), + KEY(4, 9, KEY_RIGHTSHIFT), + KEY(5, 0, KEY_TAB), + KEY(5, 1, KEY_SLASH), + KEY(5, 2, KEY_H), + KEY(5, 3, KEY_M), + KEY(5, 4, TOSA_KEY_MENU), + KEY(5, 6, KEY_UP), + KEY(5, 10, TOSA_KEY_FN), + KEY(6, 0, KEY_X), + KEY(6, 1, KEY_F), + KEY(6, 2, KEY_SPACE), + KEY(6, 3, KEY_APOSTROPHE), + KEY(6, 4, TOSA_KEY_MAIL), + KEY(6, 5, KEY_LEFT), + KEY(6, 6, KEY_DOWN), + KEY(6, 7, KEY_RIGHT), }; static struct matrix_keymap_data tosakbd_keymap_data = { diff --git a/arch/arm/mach-shmobile/board-armadillo800eva.c b/arch/arm/mach-shmobile/board-armadillo800eva.c index b85b2882dbd0..803c9fcfb359 100644 --- a/arch/arm/mach-shmobile/board-armadillo800eva.c +++ b/arch/arm/mach-shmobile/board-armadillo800eva.c @@ -437,7 +437,7 @@ static struct platform_device lcdc0_device = { .id = 0, .dev = { .platform_data = &lcdc0_info, - .coherent_dma_mask = ~0, + .coherent_dma_mask = DMA_BIT_MASK(32), }, }; @@ -534,7 +534,7 @@ static struct platform_device hdmi_lcdc_device = { .id = 1, .dev = { .platform_data = &hdmi_lcdc_info, - .coherent_dma_mask = ~0, + .coherent_dma_mask = DMA_BIT_MASK(32), }, }; diff --git a/arch/arm/mach-shmobile/board-kzm9g.c b/arch/arm/mach-shmobile/board-kzm9g.c index e6b775a10aad..4d610e6ea987 100644 --- a/arch/arm/mach-shmobile/board-kzm9g.c +++ b/arch/arm/mach-shmobile/board-kzm9g.c @@ -332,7 +332,7 @@ static struct platform_device lcdc_device = { .resource = lcdc_resources, .dev = { .platform_data = &lcdc_info, - .coherent_dma_mask = ~0, + .coherent_dma_mask = DMA_BIT_MASK(32), }, }; diff --git a/arch/arm/mach-shmobile/board-mackerel.c b/arch/arm/mach-shmobile/board-mackerel.c index fa3407da682a..3b917bc76a49 100644 --- a/arch/arm/mach-shmobile/board-mackerel.c +++ b/arch/arm/mach-shmobile/board-mackerel.c @@ -421,7 +421,7 @@ static struct platform_device lcdc_device = { .resource = lcdc_resources, .dev = { .platform_data = &lcdc_info, - .coherent_dma_mask = ~0, + .coherent_dma_mask = DMA_BIT_MASK(32), }, }; @@ -497,7 +497,7 @@ static struct platform_device hdmi_lcdc_device = { .id = 1, .dev = { .platform_data = &hdmi_lcdc_info, - .coherent_dma_mask = ~0, + .coherent_dma_mask = DMA_BIT_MASK(32), }, }; diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c index 336957648f5c..45f62721d197 100644 --- a/arch/arm/mm/dma-mapping.c +++ b/arch/arm/mm/dma-mapping.c @@ -1696,8 +1696,7 @@ static void *arm_iommu_alloc_attrs(struct device *dev, size_t size, size = PAGE_ALIGN(size); - if (gfp & GFP_ATOMIC) - + if (!(gfp & __GFP_WAIT)) return __iommu_alloc_atomic(dev, size, handle, attrs); pages = __iommu_alloc_buffer(dev, size, gfp, attrs); diff --git a/arch/arm/mm/proc-v6.S b/arch/arm/mm/proc-v6.S index 919405e20b80..d07352819580 100644 --- a/arch/arm/mm/proc-v6.S +++ b/arch/arm/mm/proc-v6.S @@ -206,7 +206,6 @@ __v6_setup: mcr p15, 0, r0, c7, c14, 0 @ clean+invalidate D cache mcr p15, 0, r0, c7, c5, 0 @ invalidate I cache mcr p15, 0, r0, c7, c15, 0 @ clean+invalidate cache - mcr p15, 0, r0, c7, c10, 4 @ drain write buffer #ifdef CONFIG_MMU mcr p15, 0, r0, c8, c7, 0 @ invalidate I + D TLBs mcr p15, 0, r0, c2, c0, 2 @ TTB control register @@ -216,6 +215,8 @@ __v6_setup: ALT_UP(orr r8, r8, #TTB_FLAGS_UP) mcr p15, 0, r8, c2, c0, 1 @ load TTB1 #endif /* CONFIG_MMU */ + mcr p15, 0, r0, c7, c10, 4 @ drain write buffer and + @ complete invalidations adr r5, v6_crval ldmia r5, {r5, r6} #ifdef CONFIG_CPU_ENDIAN_BE8 diff --git a/arch/arm/mm/proc-v7.S b/arch/arm/mm/proc-v7.S index e73f85323a11..d1dea91517e0 100644 --- a/arch/arm/mm/proc-v7.S +++ b/arch/arm/mm/proc-v7.S @@ -676,7 +676,6 @@ __v7_setup: 3: mov r10, #0 mcr p15, 0, r10, c7, c5, 0 @ I+BTB cache invalidate - dsb 4: #ifdef CONFIG_MMU mcr p15, 0, r10, c8, c7, 0 @ invalidate I + D TLBs @@ -686,6 +685,7 @@ __v7_setup: mcr p15, 0, r5, c10, c2, 0 @ write PRRR mcr p15, 0, r6, c10, c2, 1 @ write NMRR #endif + dsb @ Complete invalidations #ifndef CONFIG_ARM_THUMBEE mrc p15, 0, r0, c0, c1, 0 @ read ID_PFR0 for ThumbEE and r0, r0, #(0xf << 12) @ ThumbEE enabled field diff --git a/arch/arm/net/bpf_jit_32.c b/arch/arm/net/bpf_jit_32.c index 1a643ee8e082..6de423dbd385 100644 --- a/arch/arm/net/bpf_jit_32.c +++ b/arch/arm/net/bpf_jit_32.c @@ -637,10 +637,10 @@ load_ind: emit(ARM_MUL(r_A, r_A, r_X), ctx); break; case BPF_S_ALU_DIV_K: - /* current k == reciprocal_value(userspace k) */ + if (k == 1) + break; emit_mov_i(r_scratch, k, ctx); - /* A = top 32 bits of the product */ - emit(ARM_UMULL(r_scratch, r_A, r_A, r_scratch), ctx); + emit_udiv(r_A, r_A, r_scratch, ctx); break; case BPF_S_ALU_DIV_X: update_on_xread(ctx); diff --git a/arch/arm64/boot/dts/foundation-v8.dts b/arch/arm64/boot/dts/foundation-v8.dts index 84fcc5018284..519c4b2c0687 100644 --- a/arch/arm64/boot/dts/foundation-v8.dts +++ b/arch/arm64/boot/dts/foundation-v8.dts @@ -6,6 +6,8 @@ /dts-v1/; +/memreserve/ 0x80000000 0x00010000; + / { model = "Foundation-v8A"; compatible = "arm,foundation-aarch64", "arm,vexpress"; diff --git a/arch/arm64/include/asm/arch_timer.h b/arch/arm64/include/asm/arch_timer.h index 85ca042582ab..98abd476992d 100644 --- a/arch/arm64/include/asm/arch_timer.h +++ b/arch/arm64/include/asm/arch_timer.h @@ -110,16 +110,6 @@ static inline void arch_counter_set_user_access(void) asm volatile("msr cntkctl_el1, %0" : : "r" (cntkctl)); } -static inline u64 arch_counter_get_cntpct(void) -{ - u64 cval; - - isb(); - asm volatile("mrs %0, cntpct_el0" : "=r" (cval)); - - return cval; -} - static inline u64 arch_counter_get_cntvct(void) { u64 cval; diff --git a/arch/arm64/include/asm/cacheflush.h b/arch/arm64/include/asm/cacheflush.h index 3f75b3bd02e8..40e64b86587c 100644 --- a/arch/arm64/include/asm/cacheflush.h +++ b/arch/arm64/include/asm/cacheflush.h @@ -120,6 +120,7 @@ extern void flush_dcache_page(struct page *); static inline void __flush_icache_all(void) { asm("ic ialluis"); + dsb(); } #define flush_dcache_mmap_lock(mapping) \ diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgtable.h index cf5b9c46f93b..b5d0aabebb12 100644 --- a/arch/arm64/include/asm/pgtable.h +++ b/arch/arm64/include/asm/pgtable.h @@ -199,7 +199,7 @@ static inline void set_pte_at(struct mm_struct *mm, unsigned long addr, #define pgprot_noncached(prot) \ __pgprot_modify(prot, PTE_ATTRINDX_MASK, PTE_ATTRINDX(MT_DEVICE_nGnRnE)) #define pgprot_writecombine(prot) \ - __pgprot_modify(prot, PTE_ATTRINDX_MASK, PTE_ATTRINDX(MT_DEVICE_GRE)) + __pgprot_modify(prot, PTE_ATTRINDX_MASK, PTE_ATTRINDX(MT_NORMAL_NC)) #define pgprot_dmacoherent(prot) \ __pgprot_modify(prot, PTE_ATTRINDX_MASK, PTE_ATTRINDX(MT_NORMAL_NC)) #define __HAVE_PHYS_MEM_ACCESS_PROT diff --git a/arch/arm64/include/asm/syscall.h b/arch/arm64/include/asm/syscall.h index 89c047f9a971..70ba9d4ee978 100644 --- a/arch/arm64/include/asm/syscall.h +++ b/arch/arm64/include/asm/syscall.h @@ -59,6 +59,9 @@ static inline void syscall_get_arguments(struct task_struct *task, unsigned int i, unsigned int n, unsigned long *args) { + if (n == 0) + return; + if (i + n > SYSCALL_MAX_ARGS) { unsigned long *args_bad = args + SYSCALL_MAX_ARGS - i; unsigned int n_bad = n + i - SYSCALL_MAX_ARGS; @@ -82,6 +85,9 @@ static inline void syscall_set_arguments(struct task_struct *task, unsigned int i, unsigned int n, const unsigned long *args) { + if (n == 0) + return; + if (i + n > SYSCALL_MAX_ARGS) { pr_warning("%s called with max args %d, handling only %d\n", __func__, i + n, SYSCALL_MAX_ARGS); diff --git a/arch/arm64/include/asm/virt.h b/arch/arm64/include/asm/virt.h index 439827271e3d..26e310c54344 100644 --- a/arch/arm64/include/asm/virt.h +++ b/arch/arm64/include/asm/virt.h @@ -21,6 +21,7 @@ #define BOOT_CPU_MODE_EL2 (0x0e12b007) #ifndef __ASSEMBLY__ +#include <asm/cacheflush.h> /* * __boot_cpu_mode records what mode CPUs were booted in. @@ -36,9 +37,20 @@ extern u32 __boot_cpu_mode[2]; void __hyp_set_vectors(phys_addr_t phys_vector_base); phys_addr_t __hyp_get_vectors(void); +static inline void sync_boot_mode(void) +{ + /* + * As secondaries write to __boot_cpu_mode with caches disabled, we + * must flush the corresponding cache entries to ensure the visibility + * of their writes. + */ + __flush_dcache_area(__boot_cpu_mode, sizeof(__boot_cpu_mode)); +} + /* Reports the availability of HYP mode */ static inline bool is_hyp_mode_available(void) { + sync_boot_mode(); return (__boot_cpu_mode[0] == BOOT_CPU_MODE_EL2 && __boot_cpu_mode[1] == BOOT_CPU_MODE_EL2); } @@ -46,6 +58,7 @@ static inline bool is_hyp_mode_available(void) /* Check if the bootloader has booted CPUs in different modes */ static inline bool is_hyp_mode_mismatched(void) { + sync_boot_mode(); return __boot_cpu_mode[0] != __boot_cpu_mode[1]; } diff --git a/arch/arm64/kernel/fpsimd.c b/arch/arm64/kernel/fpsimd.c index e8b8357aedb4..2fa308e4a1fa 100644 --- a/arch/arm64/kernel/fpsimd.c +++ b/arch/arm64/kernel/fpsimd.c @@ -79,8 +79,10 @@ void fpsimd_thread_switch(struct task_struct *next) void fpsimd_flush_thread(void) { + preempt_disable(); memset(¤t->thread.fpsimd_state, 0, sizeof(struct fpsimd_state)); fpsimd_load_state(¤t->thread.fpsimd_state); + preempt_enable(); } /* diff --git a/arch/arm64/kernel/ptrace.c b/arch/arm64/kernel/ptrace.c index fecdbf7de82e..c484d5625ffb 100644 --- a/arch/arm64/kernel/ptrace.c +++ b/arch/arm64/kernel/ptrace.c @@ -214,31 +214,29 @@ static int ptrace_hbp_fill_attr_ctrl(unsigned int note_type, { int err, len, type, disabled = !ctrl.enabled; - if (disabled) { - len = 0; - type = HW_BREAKPOINT_EMPTY; - } else { - err = arch_bp_generic_fields(ctrl, &len, &type); - if (err) - return err; - - switch (note_type) { - case NT_ARM_HW_BREAK: - if ((type & HW_BREAKPOINT_X) != type) - return -EINVAL; - break; - case NT_ARM_HW_WATCH: - if ((type & HW_BREAKPOINT_RW) != type) - return -EINVAL; - break; - default: + attr->disabled = disabled; + if (disabled) + return 0; + + err = arch_bp_generic_fields(ctrl, &len, &type); + if (err) + return err; + + switch (note_type) { + case NT_ARM_HW_BREAK: + if ((type & HW_BREAKPOINT_X) != type) return -EINVAL; - } + break; + case NT_ARM_HW_WATCH: + if ((type & HW_BREAKPOINT_RW) != type) + return -EINVAL; + break; + default: + return -EINVAL; } attr->bp_len = len; attr->bp_type = type; - attr->disabled = disabled; return 0; } diff --git a/arch/arm64/kernel/setup.c b/arch/arm64/kernel/setup.c index 1db6c8e7446e..7017be141bde 100644 --- a/arch/arm64/kernel/setup.c +++ b/arch/arm64/kernel/setup.c @@ -54,8 +54,6 @@ #include <asm/memblock.h> #include <asm/mmu_context.h> #include <asm/psci.h> -#include <asm/virt.h> -#include <asm/arch_timer.h> #include <asm/mach/arch.h> #include <asm/system_misc.h> @@ -415,15 +413,6 @@ void __init setup_arch(char **cmdline_p) #endif #endif - /* Supply the real ARCH timer counter to skip the - * arch_timer_read_zero (arm_arch_timer.c) which - * causes hang in udelay. Proper counter setup will - * be performed in a later state in time_init. */ - if (is_hyp_mode_available()) - arch_timer_read_counter = arch_counter_get_cntpct; - else - arch_timer_read_counter = arch_counter_get_cntvct; - if (machine_desc->init_early) machine_desc->init_early(); } diff --git a/arch/arm64/kernel/smp.c b/arch/arm64/kernel/smp.c index a998ae8d52e6..06b7ac67bb16 100644 --- a/arch/arm64/kernel/smp.c +++ b/arch/arm64/kernel/smp.c @@ -344,13 +344,6 @@ asmlinkage void secondary_start_kernel(void) raw_spin_unlock(&boot_lock); /* - * Enable local interrupts. - */ - notify_cpu_starting(cpu); - local_irq_enable(); - local_fiq_enable(); - - /* * OK, now it's safe to let the boot CPU continue. Wait for * the CPU migration code to notice that the CPU is online * before we continue. @@ -359,6 +352,14 @@ asmlinkage void secondary_start_kernel(void) complete(&cpu_running); /* + * Enable GIC and timers. + */ + notify_cpu_starting(cpu); + + local_irq_enable(); + local_fiq_enable(); + + /* * OK, it's off to the idle thread for us */ cpu_startup_entry(CPUHP_ONLINE); diff --git a/arch/arm64/kernel/stacktrace.c b/arch/arm64/kernel/stacktrace.c index d25459ff57fc..048334bb2651 100644 --- a/arch/arm64/kernel/stacktrace.c +++ b/arch/arm64/kernel/stacktrace.c @@ -48,7 +48,11 @@ int unwind_frame(struct stackframe *frame) frame->sp = fp + 0x10; frame->fp = *(unsigned long *)(fp); - frame->pc = *(unsigned long *)(fp + 8); + /* + * -4 here because we care about the PC at time of bl, + * not where the return will go. + */ + frame->pc = *(unsigned long *)(fp + 8) - 4; return 0; } diff --git a/arch/arm64/kernel/vdso.c b/arch/arm64/kernel/vdso.c index 6a389dc1bd49..0ea7a22bcdf2 100644 --- a/arch/arm64/kernel/vdso.c +++ b/arch/arm64/kernel/vdso.c @@ -235,6 +235,8 @@ void update_vsyscall(struct timekeeper *tk) vdso_data->use_syscall = use_syscall; vdso_data->xtime_coarse_sec = xtime_coarse.tv_sec; vdso_data->xtime_coarse_nsec = xtime_coarse.tv_nsec; + vdso_data->wtm_clock_sec = tk->wall_to_monotonic.tv_sec; + vdso_data->wtm_clock_nsec = tk->wall_to_monotonic.tv_nsec; if (!use_syscall) { vdso_data->cs_cycle_last = tk->clock->cycle_last; @@ -242,8 +244,6 @@ void update_vsyscall(struct timekeeper *tk) vdso_data->xtime_clock_nsec = tk->xtime_nsec; vdso_data->cs_mult = tk->mult; vdso_data->cs_shift = tk->shift; - vdso_data->wtm_clock_sec = tk->wall_to_monotonic.tv_sec; - vdso_data->wtm_clock_nsec = tk->wall_to_monotonic.tv_nsec; } smp_wmb(); diff --git a/arch/arm64/kernel/vdso/Makefile b/arch/arm64/kernel/vdso/Makefile index d8064af42e62..6d20b7d162d8 100644 --- a/arch/arm64/kernel/vdso/Makefile +++ b/arch/arm64/kernel/vdso/Makefile @@ -48,7 +48,7 @@ $(obj-vdso): %.o: %.S # Actual build commands quiet_cmd_vdsold = VDSOL $@ - cmd_vdsold = $(CC) $(c_flags) -Wl,-T $^ -o $@ + cmd_vdsold = $(CC) $(c_flags) -Wl,-n -Wl,-T $^ -o $@ quiet_cmd_vdsoas = VDSOA $@ cmd_vdsoas = $(CC) $(a_flags) -c -o $@ $< diff --git a/arch/arm64/kernel/vdso/gettimeofday.S b/arch/arm64/kernel/vdso/gettimeofday.S index f0a6d10b5211..fe652ffd34c2 100644 --- a/arch/arm64/kernel/vdso/gettimeofday.S +++ b/arch/arm64/kernel/vdso/gettimeofday.S @@ -103,6 +103,8 @@ ENTRY(__kernel_clock_gettime) bl __do_get_tspec seqcnt_check w9, 1b + mov x30, x2 + cmp w0, #CLOCK_MONOTONIC b.ne 6f @@ -118,6 +120,9 @@ ENTRY(__kernel_clock_gettime) ccmp w0, #CLOCK_MONOTONIC_COARSE, #0x4, ne b.ne 8f + /* xtime_coarse_nsec is already right-shifted */ + mov x12, #0 + /* Get coarse timespec. */ adr vdso_data, _vdso_data 3: seqcnt_acquire @@ -156,7 +161,7 @@ ENTRY(__kernel_clock_gettime) lsr x11, x11, x12 stp x10, x11, [x1, #TSPEC_TV_SEC] mov x0, xzr - ret x2 + ret 7: mov x30, x2 8: /* Syscall fallback. */ diff --git a/arch/arm64/mm/flush.c b/arch/arm64/mm/flush.c index 04af4356e665..f4022bf378b4 100644 --- a/arch/arm64/mm/flush.c +++ b/arch/arm64/mm/flush.c @@ -77,14 +77,12 @@ void __flush_dcache_page(struct page *page) void __sync_icache_dcache(pte_t pte, unsigned long addr) { - unsigned long pfn; - struct page *page; + struct page *page = pte_page(pte); - pfn = pte_pfn(pte); - if (!pfn_valid(pfn)) + /* no flushing needed for anonymous pages */ + if (!page_mapping(page)) return; - page = pfn_to_page(pfn); if (!test_and_set_bit(PG_dcache_clean, &page->flags)) { __flush_dcache_page(page); __flush_icache_all(); @@ -94,28 +92,14 @@ void __sync_icache_dcache(pte_t pte, unsigned long addr) } /* - * Ensure cache coherency between kernel mapping and userspace mapping of this - * page. + * This function is called when a page has been modified by the kernel. Mark + * it as dirty for later flushing when mapped in user space (if executable, + * see __sync_icache_dcache). */ void flush_dcache_page(struct page *page) { - struct address_space *mapping; - - /* - * The zero page is never written to, so never has any dirty cache - * lines, and therefore never needs to be flushed. - */ - if (page == ZERO_PAGE(0)) - return; - - mapping = page_mapping(page); - if (mapping && mapping_mapped(mapping)) { - __flush_dcache_page(page); - __flush_icache_all(); - set_bit(PG_dcache_clean, &page->flags); - } else { + if (test_bit(PG_dcache_clean, &page->flags)) clear_bit(PG_dcache_clean, &page->flags); - } } EXPORT_SYMBOL(flush_dcache_page); diff --git a/arch/arm64/mm/mmu.c b/arch/arm64/mm/mmu.c index 79002d27cd40..44dfc2e62444 100644 --- a/arch/arm64/mm/mmu.c +++ b/arch/arm64/mm/mmu.c @@ -375,7 +375,6 @@ void __init paging_init(void) bootmem_init(); empty_zero_page = virt_to_page(zero_page); - __flush_dcache_page(empty_zero_page); /* * TTBR0 is only used for the identity mapping at this stage. Make it diff --git a/arch/arm64/mm/proc.S b/arch/arm64/mm/proc.S index 50d25096f185..8d1d562141e2 100644 --- a/arch/arm64/mm/proc.S +++ b/arch/arm64/mm/proc.S @@ -159,10 +159,6 @@ ENTRY(cpu_do_switch_mm) ret ENDPROC(cpu_do_switch_mm) -cpu_name: - .ascii "AArch64 Processor" - .align - .section ".text.init", #alloc, #execinstr /* diff --git a/arch/avr32/Makefile b/arch/avr32/Makefile index 22fb66590dcd..dba48a5d5bb9 100644 --- a/arch/avr32/Makefile +++ b/arch/avr32/Makefile @@ -11,7 +11,7 @@ all: uImage vmlinux.elf KBUILD_DEFCONFIG := atstk1002_defconfig -KBUILD_CFLAGS += -pipe -fno-builtin -mno-pic +KBUILD_CFLAGS += -pipe -fno-builtin -mno-pic -D__linux__ KBUILD_AFLAGS += -mrelax -mno-pic KBUILD_CFLAGS_MODULE += -mno-relax LDFLAGS_vmlinux += --relax diff --git a/arch/avr32/boards/mimc200/fram.c b/arch/avr32/boards/mimc200/fram.c index 9764a1a1073e..c1466a872b9c 100644 --- a/arch/avr32/boards/mimc200/fram.c +++ b/arch/avr32/boards/mimc200/fram.c @@ -11,6 +11,7 @@ #define FRAM_VERSION "1.0" #include <linux/miscdevice.h> +#include <linux/module.h> #include <linux/proc_fs.h> #include <linux/mm.h> #include <linux/io.h> diff --git a/arch/mips/mm/dma-default.c b/arch/mips/mm/dma-default.c index caf92ecb37d6..23129d1005db 100644 --- a/arch/mips/mm/dma-default.c +++ b/arch/mips/mm/dma-default.c @@ -50,16 +50,20 @@ static inline struct page *dma_addr_to_page(struct device *dev, } /* + * The affected CPUs below in 'cpu_needs_post_dma_flush()' can + * speculatively fill random cachelines with stale data at any time, + * requiring an extra flush post-DMA. + * * Warning on the terminology - Linux calls an uncached area coherent; * MIPS terminology calls memory areas with hardware maintained coherency * coherent. */ - -static inline int cpu_is_noncoherent_r10000(struct device *dev) +static inline int cpu_needs_post_dma_flush(struct device *dev) { return !plat_device_is_coherent(dev) && (current_cpu_type() == CPU_R10000 || - current_cpu_type() == CPU_R12000); + current_cpu_type() == CPU_R12000 || + current_cpu_type() == CPU_BMIPS5000); } static gfp_t massage_gfp_flags(const struct device *dev, gfp_t gfp) @@ -230,7 +234,7 @@ static inline void __dma_sync(struct page *page, static void mips_dma_unmap_page(struct device *dev, dma_addr_t dma_addr, size_t size, enum dma_data_direction direction, struct dma_attrs *attrs) { - if (cpu_is_noncoherent_r10000(dev)) + if (cpu_needs_post_dma_flush(dev)) __dma_sync(dma_addr_to_page(dev, dma_addr), dma_addr & ~PAGE_MASK, size, direction); @@ -281,7 +285,7 @@ static void mips_dma_unmap_sg(struct device *dev, struct scatterlist *sg, static void mips_dma_sync_single_for_cpu(struct device *dev, dma_addr_t dma_handle, size_t size, enum dma_data_direction direction) { - if (cpu_is_noncoherent_r10000(dev)) + if (cpu_needs_post_dma_flush(dev)) __dma_sync(dma_addr_to_page(dev, dma_handle), dma_handle & ~PAGE_MASK, size, direction); } @@ -302,7 +306,7 @@ static void mips_dma_sync_sg_for_cpu(struct device *dev, /* Make sure that gcc doesn't leave the empty loop body. */ for (i = 0; i < nelems; i++, sg++) { - if (cpu_is_noncoherent_r10000(dev)) + if (cpu_needs_post_dma_flush(dev)) __dma_sync(sg_page(sg), sg->offset, sg->length, direction); } diff --git a/arch/parisc/include/asm/cacheflush.h b/arch/parisc/include/asm/cacheflush.h index f0e2784e7cca..de65f66ea64e 100644 --- a/arch/parisc/include/asm/cacheflush.h +++ b/arch/parisc/include/asm/cacheflush.h @@ -125,15 +125,10 @@ flush_anon_page(struct vm_area_struct *vma, struct page *page, unsigned long vma void mark_rodata_ro(void); #endif -#ifdef CONFIG_PA8X00 -/* Only pa8800, pa8900 needs this */ - #include <asm/kmap_types.h> #define ARCH_HAS_KMAP -void kunmap_parisc(void *addr); - static inline void *kmap(struct page *page) { might_sleep(); @@ -142,7 +137,7 @@ static inline void *kmap(struct page *page) static inline void kunmap(struct page *page) { - kunmap_parisc(page_address(page)); + flush_kernel_dcache_page_addr(page_address(page)); } static inline void *kmap_atomic(struct page *page) @@ -153,14 +148,13 @@ static inline void *kmap_atomic(struct page *page) static inline void __kunmap_atomic(void *addr) { - kunmap_parisc(addr); + flush_kernel_dcache_page_addr(addr); pagefault_enable(); } #define kmap_atomic_prot(page, prot) kmap_atomic(page) #define kmap_atomic_pfn(pfn) kmap_atomic(pfn_to_page(pfn)) #define kmap_atomic_to_page(ptr) virt_to_page(ptr) -#endif #endif /* _PARISC_CACHEFLUSH_H */ diff --git a/arch/parisc/include/asm/page.h b/arch/parisc/include/asm/page.h index b7adb2ac049c..637fe031aa84 100644 --- a/arch/parisc/include/asm/page.h +++ b/arch/parisc/include/asm/page.h @@ -28,9 +28,9 @@ struct page; void clear_page_asm(void *page); void copy_page_asm(void *to, void *from); -void clear_user_page(void *vto, unsigned long vaddr, struct page *pg); +#define clear_user_page(vto, vaddr, page) clear_page_asm(vto) void copy_user_page(void *vto, void *vfrom, unsigned long vaddr, - struct page *pg); + struct page *pg); /* #define CONFIG_PARISC_TMPALIAS */ diff --git a/arch/parisc/kernel/cache.c b/arch/parisc/kernel/cache.c index c035673209f7..ac87a40502e6 100644 --- a/arch/parisc/kernel/cache.c +++ b/arch/parisc/kernel/cache.c @@ -388,41 +388,20 @@ void flush_kernel_dcache_page_addr(void *addr) } EXPORT_SYMBOL(flush_kernel_dcache_page_addr); -void clear_user_page(void *vto, unsigned long vaddr, struct page *page) -{ - clear_page_asm(vto); - if (!parisc_requires_coherency()) - flush_kernel_dcache_page_asm(vto); -} -EXPORT_SYMBOL(clear_user_page); - void copy_user_page(void *vto, void *vfrom, unsigned long vaddr, struct page *pg) { - /* Copy using kernel mapping. No coherency is needed - (all in kmap/kunmap) on machines that don't support - non-equivalent aliasing. However, the `from' page - needs to be flushed before it can be accessed through - the kernel mapping. */ + /* Copy using kernel mapping. No coherency is needed (all in + kunmap) for the `to' page. However, the `from' page needs to + be flushed through a mapping equivalent to the user mapping + before it can be accessed through the kernel mapping. */ preempt_disable(); flush_dcache_page_asm(__pa(vfrom), vaddr); preempt_enable(); copy_page_asm(vto, vfrom); - if (!parisc_requires_coherency()) - flush_kernel_dcache_page_asm(vto); } EXPORT_SYMBOL(copy_user_page); -#ifdef CONFIG_PA8X00 - -void kunmap_parisc(void *addr) -{ - if (parisc_requires_coherency()) - flush_kernel_dcache_page_addr(addr); -} -EXPORT_SYMBOL(kunmap_parisc); -#endif - void purge_tlb_entries(struct mm_struct *mm, unsigned long addr) { unsigned long flags; diff --git a/arch/powerpc/include/asm/exception-64s.h b/arch/powerpc/include/asm/exception-64s.h index 07ca627e52c0..e17d94d429a8 100644 --- a/arch/powerpc/include/asm/exception-64s.h +++ b/arch/powerpc/include/asm/exception-64s.h @@ -264,7 +264,7 @@ do_kvm_##n: \ subi r1,r1,INT_FRAME_SIZE; /* alloc frame on kernel stack */ \ beq- 1f; \ ld r1,PACAKSAVE(r13); /* kernel stack to use */ \ -1: cmpdi cr1,r1,0; /* check if r1 is in userspace */ \ +1: cmpdi cr1,r1,-INT_FRAME_SIZE; /* check if r1 is in userspace */ \ blt+ cr1,3f; /* abort if it is */ \ li r1,(n); /* will be reloaded later */ \ sth r1,PACA_TRAP_SAVE(r13); \ diff --git a/arch/powerpc/include/asm/pgalloc-32.h b/arch/powerpc/include/asm/pgalloc-32.h index 27b2386f738a..842846c1b711 100644 --- a/arch/powerpc/include/asm/pgalloc-32.h +++ b/arch/powerpc/include/asm/pgalloc-32.h @@ -84,10 +84,8 @@ static inline void pgtable_free_tlb(struct mmu_gather *tlb, static inline void __pte_free_tlb(struct mmu_gather *tlb, pgtable_t table, unsigned long address) { - struct page *page = page_address(table); - tlb_flush_pgtable(tlb, address); - pgtable_page_dtor(page); - pgtable_free_tlb(tlb, page, 0); + pgtable_page_dtor(table); + pgtable_free_tlb(tlb, page_address(table), 0); } #endif /* _ASM_POWERPC_PGALLOC_32_H */ diff --git a/arch/powerpc/include/asm/pgalloc-64.h b/arch/powerpc/include/asm/pgalloc-64.h index b66ae722a8e9..64aaf016b478 100644 --- a/arch/powerpc/include/asm/pgalloc-64.h +++ b/arch/powerpc/include/asm/pgalloc-64.h @@ -144,11 +144,9 @@ static inline void pgtable_free_tlb(struct mmu_gather *tlb, static inline void __pte_free_tlb(struct mmu_gather *tlb, pgtable_t table, unsigned long address) { - struct page *page = page_address(table); - tlb_flush_pgtable(tlb, address); - pgtable_page_dtor(page); - pgtable_free_tlb(tlb, page, 0); + pgtable_page_dtor(table); + pgtable_free_tlb(tlb, page_address(table), 0); } #else /* if CONFIG_PPC_64K_PAGES */ diff --git a/arch/powerpc/include/asm/topology.h b/arch/powerpc/include/asm/topology.h index 161ab662843b..884b001bafcb 100644 --- a/arch/powerpc/include/asm/topology.h +++ b/arch/powerpc/include/asm/topology.h @@ -22,7 +22,15 @@ struct device_node; static inline int cpu_to_node(int cpu) { - return numa_cpu_lookup_table[cpu]; + int nid; + + nid = numa_cpu_lookup_table[cpu]; + + /* + * During early boot, the numa-cpu lookup table might not have been + * setup for all CPUs yet. In such cases, default to node 0. + */ + return (nid < 0) ? 0 : nid; } #define parent_node(node) (node) diff --git a/arch/powerpc/kernel/cacheinfo.c b/arch/powerpc/kernel/cacheinfo.c index 92c6b008dd2b..b4437e8a7a8f 100644 --- a/arch/powerpc/kernel/cacheinfo.c +++ b/arch/powerpc/kernel/cacheinfo.c @@ -788,6 +788,9 @@ static void remove_cache_dir(struct cache_dir *cache_dir) { remove_index_dirs(cache_dir); + /* Remove cache dir from sysfs */ + kobject_del(cache_dir->kobj); + kobject_put(cache_dir->kobj); kfree(cache_dir); diff --git a/arch/powerpc/kernel/crash_dump.c b/arch/powerpc/kernel/crash_dump.c index 9ec3fe174cba..555ae67e4086 100644 --- a/arch/powerpc/kernel/crash_dump.c +++ b/arch/powerpc/kernel/crash_dump.c @@ -108,17 +108,19 @@ ssize_t copy_oldmem_page(unsigned long pfn, char *buf, size_t csize, unsigned long offset, int userbuf) { void *vaddr; + phys_addr_t paddr; if (!csize) return 0; csize = min_t(size_t, csize, PAGE_SIZE); + paddr = pfn << PAGE_SHIFT; - if ((min_low_pfn < pfn) && (pfn < max_pfn)) { - vaddr = __va(pfn << PAGE_SHIFT); + if (memblock_is_region_memory(paddr, csize)) { + vaddr = __va(paddr); csize = copy_oldmem_vaddr(vaddr, buf, csize, offset, userbuf); } else { - vaddr = __ioremap(pfn << PAGE_SHIFT, PAGE_SIZE, 0); + vaddr = __ioremap(paddr, PAGE_SIZE, 0); csize = copy_oldmem_vaddr(vaddr, buf, csize, offset, userbuf); iounmap(vaddr); } diff --git a/arch/powerpc/kernel/head_64.S b/arch/powerpc/kernel/head_64.S index b61363d557b5..192a3f562bdb 100644 --- a/arch/powerpc/kernel/head_64.S +++ b/arch/powerpc/kernel/head_64.S @@ -467,6 +467,7 @@ _STATIC(__after_prom_start) mtctr r8 bctr +.balign 8 p_end: .llong _end - _stext 4: /* Now copy the rest of the kernel up to _end */ diff --git a/arch/powerpc/kvm/book3s_64_mmu_hv.c b/arch/powerpc/kvm/book3s_64_mmu_hv.c index 5880dfb31074..b616e364dbe9 100644 --- a/arch/powerpc/kvm/book3s_64_mmu_hv.c +++ b/arch/powerpc/kvm/book3s_64_mmu_hv.c @@ -473,11 +473,14 @@ static int kvmppc_mmu_book3s_64_hv_xlate(struct kvm_vcpu *vcpu, gva_t eaddr, slb_v = vcpu->kvm->arch.vrma_slb_v; } + preempt_disable(); /* Find the HPTE in the hash table */ index = kvmppc_hv_find_lock_hpte(kvm, eaddr, slb_v, HPTE_V_VALID | HPTE_V_ABSENT); - if (index < 0) + if (index < 0) { + preempt_enable(); return -ENOENT; + } hptep = (unsigned long *)(kvm->arch.hpt_virt + (index << 4)); v = hptep[0] & ~HPTE_V_HVLOCK; gr = kvm->arch.revmap[index].guest_rpte; @@ -485,6 +488,7 @@ static int kvmppc_mmu_book3s_64_hv_xlate(struct kvm_vcpu *vcpu, gva_t eaddr, /* Unlock the HPTE */ asm volatile("lwsync" : : : "memory"); hptep[0] = v; + preempt_enable(); gpte->eaddr = eaddr; gpte->vpage = ((v & HPTE_V_AVPN) << 4) | ((eaddr >> 12) & 0xfff); diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c index 550f5928b394..102ad8a255f3 100644 --- a/arch/powerpc/kvm/book3s_hv.c +++ b/arch/powerpc/kvm/book3s_hv.c @@ -82,10 +82,13 @@ void kvmppc_fast_vcpu_kick(struct kvm_vcpu *vcpu) /* CPU points to the first thread of the core */ if (cpu != me && cpu >= 0 && cpu < nr_cpu_ids) { +#ifdef CONFIG_KVM_XICS int real_cpu = cpu + vcpu->arch.ptid; if (paca[real_cpu].kvm_hstate.xics_phys) xics_wake_cpu(real_cpu); - else if (cpu_online(cpu)) + else +#endif + if (cpu_online(cpu)) smp_send_reschedule(cpu); } put_cpu(); @@ -1090,7 +1093,9 @@ static void kvmppc_start_thread(struct kvm_vcpu *vcpu) smp_wmb(); #if defined(CONFIG_PPC_ICP_NATIVE) && defined(CONFIG_SMP) if (vcpu->arch.ptid) { +#ifdef CONFIG_KVM_XICS xics_wake_cpu(cpu); +#endif ++vc->n_woken; } #endif diff --git a/arch/powerpc/kvm/book3s_hv_rm_mmu.c b/arch/powerpc/kvm/book3s_hv_rm_mmu.c index 6dcbb49105a4..049b899e40e4 100644 --- a/arch/powerpc/kvm/book3s_hv_rm_mmu.c +++ b/arch/powerpc/kvm/book3s_hv_rm_mmu.c @@ -724,6 +724,10 @@ static int slb_base_page_shift[4] = { 20, /* 1M, unsupported */ }; +/* When called from virtmode, this func should be protected by + * preempt_disable(), otherwise, the holding of HPTE_V_HVLOCK + * can trigger deadlock issue. + */ long kvmppc_hv_find_lock_hpte(struct kvm *kvm, gva_t eaddr, unsigned long slb_v, unsigned long valid) { diff --git a/arch/powerpc/kvm/e500_mmu.c b/arch/powerpc/kvm/e500_mmu.c index 6d6f153b6c1d..c17600de7d59 100644 --- a/arch/powerpc/kvm/e500_mmu.c +++ b/arch/powerpc/kvm/e500_mmu.c @@ -127,7 +127,7 @@ static int kvmppc_e500_tlb_index(struct kvmppc_vcpu_e500 *vcpu_e500, } static inline void kvmppc_e500_deliver_tlb_miss(struct kvm_vcpu *vcpu, - unsigned int eaddr, int as) + gva_t eaddr, int as) { struct kvmppc_vcpu_e500 *vcpu_e500 = to_e500(vcpu); unsigned int victim, tsized; diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c index cafad4017765..b7293bba0062 100644 --- a/arch/powerpc/mm/numa.c +++ b/arch/powerpc/mm/numa.c @@ -31,6 +31,8 @@ #include <asm/sparsemem.h> #include <asm/prom.h> #include <asm/smp.h> +#include <asm/cputhreads.h> +#include <asm/topology.h> #include <asm/firmware.h> #include <asm/paca.h> #include <asm/hvcall.h> @@ -152,9 +154,22 @@ static void __init get_node_active_region(unsigned long pfn, } } -static void map_cpu_to_node(int cpu, int node) +static void reset_numa_cpu_lookup_table(void) +{ + unsigned int cpu; + + for_each_possible_cpu(cpu) + numa_cpu_lookup_table[cpu] = -1; +} + +static void update_numa_cpu_lookup_table(unsigned int cpu, int node) { numa_cpu_lookup_table[cpu] = node; +} + +static void map_cpu_to_node(int cpu, int node) +{ + update_numa_cpu_lookup_table(cpu, node); dbg("adding cpu %d to node %d\n", cpu, node); @@ -519,11 +534,24 @@ static int of_drconf_to_nid_single(struct of_drconf_cell *drmem, */ static int __cpuinit numa_setup_cpu(unsigned long lcpu) { - int nid = 0; - struct device_node *cpu = of_get_cpu_node(lcpu, NULL); + int nid; + struct device_node *cpu; + + /* + * If a valid cpu-to-node mapping is already available, use it + * directly instead of querying the firmware, since it represents + * the most recent mapping notified to us by the platform (eg: VPHN). + */ + if ((nid = numa_cpu_lookup_table[lcpu]) >= 0) { + map_cpu_to_node(lcpu, nid); + return nid; + } + + cpu = of_get_cpu_node(lcpu, NULL); if (!cpu) { WARN_ON(1); + nid = 0; goto out; } @@ -1066,6 +1094,7 @@ void __init do_init_bootmem(void) */ setup_node_to_cpumask_map(); + reset_numa_cpu_lookup_table(); register_cpu_notifier(&ppc64_numa_nb); cpu_numa_callback(&ppc64_numa_nb, CPU_UP_PREPARE, (void *)(unsigned long)boot_cpuid); @@ -1443,6 +1472,33 @@ static int update_cpu_topology(void *data) return 0; } +static int update_lookup_table(void *data) +{ + struct topology_update_data *update; + + if (!data) + return -EINVAL; + + /* + * Upon topology update, the numa-cpu lookup table needs to be updated + * for all threads in the core, including offline CPUs, to ensure that + * future hotplug operations respect the cpu-to-node associativity + * properly. + */ + for (update = data; update; update = update->next) { + int nid, base, j; + + nid = update->new_nid; + base = cpu_first_thread_sibling(update->cpu); + + for (j = 0; j < threads_per_core; j++) { + update_numa_cpu_lookup_table(base + j, nid); + } + } + + return 0; +} + /* * Update the node maps and sysfs entries for each cpu whose home node * has changed. Returns 1 when the topology has changed, and 0 otherwise. @@ -1511,6 +1567,14 @@ int arch_update_cpu_topology(void) stop_machine(update_cpu_topology, &updates[0], &updated_cpus); + /* + * Update the numa-cpu lookup table with the new mappings, even for + * offline CPUs. It is best to perform this update from the stop- + * machine context. + */ + stop_machine(update_lookup_table, &updates[0], + cpumask_of(raw_smp_processor_id())); + for (ud = &updates[0]; ud; ud = ud->next) { unregister_cpu_under_node(ud->cpu, ud->old_nid); register_cpu_under_node(ud->cpu, ud->new_nid); diff --git a/arch/powerpc/net/bpf_jit_comp.c b/arch/powerpc/net/bpf_jit_comp.c index c427ae36374a..a012a9747cdd 100644 --- a/arch/powerpc/net/bpf_jit_comp.c +++ b/arch/powerpc/net/bpf_jit_comp.c @@ -209,10 +209,11 @@ static int bpf_jit_build_body(struct sk_filter *fp, u32 *image, } PPC_DIVWU(r_A, r_A, r_X); break; - case BPF_S_ALU_DIV_K: /* A = reciprocal_divide(A, K); */ + case BPF_S_ALU_DIV_K: /* A /= K */ + if (K == 1) + break; PPC_LI32(r_scratch1, K); - /* Top 32 bits of 64bit result -> A */ - PPC_MULHWU(r_A, r_A, r_scratch1); + PPC_DIVWU(r_A, r_A, r_scratch1); break; case BPF_S_ALU_AND_X: ctx->seen |= SEEN_XREG; diff --git a/arch/powerpc/platforms/pseries/hotplug-cpu.c b/arch/powerpc/platforms/pseries/hotplug-cpu.c index 217ca5c75b20..2882d614221f 100644 --- a/arch/powerpc/platforms/pseries/hotplug-cpu.c +++ b/arch/powerpc/platforms/pseries/hotplug-cpu.c @@ -34,12 +34,7 @@ #include "offline_states.h" /* This version can't take the spinlock, because it never returns */ -static struct rtas_args rtas_stop_self_args = { - .token = RTAS_UNKNOWN_SERVICE, - .nargs = 0, - .nret = 1, - .rets = &rtas_stop_self_args.args[0], -}; +static int rtas_stop_self_token = RTAS_UNKNOWN_SERVICE; static DEFINE_PER_CPU(enum cpu_state_vals, preferred_offline_state) = CPU_STATE_OFFLINE; @@ -92,15 +87,20 @@ void set_default_offline_state(int cpu) static void rtas_stop_self(void) { - struct rtas_args *args = &rtas_stop_self_args; + struct rtas_args args = { + .token = cpu_to_be32(rtas_stop_self_token), + .nargs = 0, + .nret = 1, + .rets = &args.args[0], + }; local_irq_disable(); - BUG_ON(args->token == RTAS_UNKNOWN_SERVICE); + BUG_ON(rtas_stop_self_token == RTAS_UNKNOWN_SERVICE); printk("cpu %u (hwid %u) Ready to die...\n", smp_processor_id(), hard_smp_processor_id()); - enter_rtas(__pa(args)); + enter_rtas(__pa(&args)); panic("Alas, I survived.\n"); } @@ -391,10 +391,10 @@ static int __init pseries_cpu_hotplug_init(void) } } - rtas_stop_self_args.token = rtas_token("stop-self"); + rtas_stop_self_token = rtas_token("stop-self"); qcss_tok = rtas_token("query-cpu-stopped-state"); - if (rtas_stop_self_args.token == RTAS_UNKNOWN_SERVICE || + if (rtas_stop_self_token == RTAS_UNKNOWN_SERVICE || qcss_tok == RTAS_UNKNOWN_SERVICE) { printk(KERN_INFO "CPU Hotplug not supported by firmware " "- disabling.\n"); diff --git a/arch/s390/crypto/aes_s390.c b/arch/s390/crypto/aes_s390.c index 94e20dd2729f..2a245b55bb71 100644 --- a/arch/s390/crypto/aes_s390.c +++ b/arch/s390/crypto/aes_s390.c @@ -25,6 +25,7 @@ #include <linux/err.h> #include <linux/module.h> #include <linux/init.h> +#include <linux/spinlock.h> #include "crypt_s390.h" #define AES_KEYLEN_128 1 @@ -32,6 +33,7 @@ #define AES_KEYLEN_256 4 static u8 *ctrblk; +static DEFINE_SPINLOCK(ctrblk_lock); static char keylen_flag; struct s390_aes_ctx { @@ -756,43 +758,67 @@ static int ctr_aes_set_key(struct crypto_tfm *tfm, const u8 *in_key, return aes_set_key(tfm, in_key, key_len); } +static unsigned int __ctrblk_init(u8 *ctrptr, unsigned int nbytes) +{ + unsigned int i, n; + + /* only use complete blocks, max. PAGE_SIZE */ + n = (nbytes > PAGE_SIZE) ? PAGE_SIZE : nbytes & ~(AES_BLOCK_SIZE - 1); + for (i = AES_BLOCK_SIZE; i < n; i += AES_BLOCK_SIZE) { + memcpy(ctrptr + i, ctrptr + i - AES_BLOCK_SIZE, + AES_BLOCK_SIZE); + crypto_inc(ctrptr + i, AES_BLOCK_SIZE); + } + return n; +} + static int ctr_aes_crypt(struct blkcipher_desc *desc, long func, struct s390_aes_ctx *sctx, struct blkcipher_walk *walk) { int ret = blkcipher_walk_virt_block(desc, walk, AES_BLOCK_SIZE); - unsigned int i, n, nbytes; - u8 buf[AES_BLOCK_SIZE]; - u8 *out, *in; + unsigned int n, nbytes; + u8 buf[AES_BLOCK_SIZE], ctrbuf[AES_BLOCK_SIZE]; + u8 *out, *in, *ctrptr = ctrbuf; if (!walk->nbytes) return ret; - memcpy(ctrblk, walk->iv, AES_BLOCK_SIZE); + if (spin_trylock(&ctrblk_lock)) + ctrptr = ctrblk; + + memcpy(ctrptr, walk->iv, AES_BLOCK_SIZE); while ((nbytes = walk->nbytes) >= AES_BLOCK_SIZE) { out = walk->dst.virt.addr; in = walk->src.virt.addr; while (nbytes >= AES_BLOCK_SIZE) { - /* only use complete blocks, max. PAGE_SIZE */ - n = (nbytes > PAGE_SIZE) ? PAGE_SIZE : - nbytes & ~(AES_BLOCK_SIZE - 1); - for (i = AES_BLOCK_SIZE; i < n; i += AES_BLOCK_SIZE) { - memcpy(ctrblk + i, ctrblk + i - AES_BLOCK_SIZE, - AES_BLOCK_SIZE); - crypto_inc(ctrblk + i, AES_BLOCK_SIZE); - } - ret = crypt_s390_kmctr(func, sctx->key, out, in, n, ctrblk); - if (ret < 0 || ret != n) + if (ctrptr == ctrblk) + n = __ctrblk_init(ctrptr, nbytes); + else + n = AES_BLOCK_SIZE; + ret = crypt_s390_kmctr(func, sctx->key, out, in, + n, ctrptr); + if (ret < 0 || ret != n) { + if (ctrptr == ctrblk) + spin_unlock(&ctrblk_lock); return -EIO; + } if (n > AES_BLOCK_SIZE) - memcpy(ctrblk, ctrblk + n - AES_BLOCK_SIZE, + memcpy(ctrptr, ctrptr + n - AES_BLOCK_SIZE, AES_BLOCK_SIZE); - crypto_inc(ctrblk, AES_BLOCK_SIZE); + crypto_inc(ctrptr, AES_BLOCK_SIZE); out += n; in += n; nbytes -= n; } ret = blkcipher_walk_done(desc, walk, nbytes); } + if (ctrptr == ctrblk) { + if (nbytes) + memcpy(ctrbuf, ctrptr, AES_BLOCK_SIZE); + else + memcpy(walk->iv, ctrptr, AES_BLOCK_SIZE); + spin_unlock(&ctrblk_lock); + } /* * final block may be < AES_BLOCK_SIZE, copy only nbytes */ @@ -800,14 +826,15 @@ static int ctr_aes_crypt(struct blkcipher_desc *desc, long func, out = walk->dst.virt.addr; in = walk->src.virt.addr; ret = crypt_s390_kmctr(func, sctx->key, buf, in, - AES_BLOCK_SIZE, ctrblk); + AES_BLOCK_SIZE, ctrbuf); if (ret < 0 || ret != AES_BLOCK_SIZE) return -EIO; memcpy(out, buf, nbytes); - crypto_inc(ctrblk, AES_BLOCK_SIZE); + crypto_inc(ctrbuf, AES_BLOCK_SIZE); ret = blkcipher_walk_done(desc, walk, 0); + memcpy(walk->iv, ctrbuf, AES_BLOCK_SIZE); } - memcpy(walk->iv, ctrblk, AES_BLOCK_SIZE); + return ret; } diff --git a/arch/s390/crypto/des_s390.c b/arch/s390/crypto/des_s390.c index bcca01c9989d..2d96e68febb2 100644 --- a/arch/s390/crypto/des_s390.c +++ b/arch/s390/crypto/des_s390.c @@ -25,6 +25,7 @@ #define DES3_KEY_SIZE (3 * DES_KEY_SIZE) static u8 *ctrblk; +static DEFINE_SPINLOCK(ctrblk_lock); struct s390_des_ctx { u8 iv[DES_BLOCK_SIZE]; @@ -105,29 +106,35 @@ static int ecb_desall_crypt(struct blkcipher_desc *desc, long func, } static int cbc_desall_crypt(struct blkcipher_desc *desc, long func, - u8 *iv, struct blkcipher_walk *walk) + struct blkcipher_walk *walk) { + struct s390_des_ctx *ctx = crypto_blkcipher_ctx(desc->tfm); int ret = blkcipher_walk_virt(desc, walk); unsigned int nbytes = walk->nbytes; + struct { + u8 iv[DES_BLOCK_SIZE]; + u8 key[DES3_KEY_SIZE]; + } param; if (!nbytes) goto out; - memcpy(iv, walk->iv, DES_BLOCK_SIZE); + memcpy(param.iv, walk->iv, DES_BLOCK_SIZE); + memcpy(param.key, ctx->key, DES3_KEY_SIZE); do { /* only use complete blocks */ unsigned int n = nbytes & ~(DES_BLOCK_SIZE - 1); u8 *out = walk->dst.virt.addr; u8 *in = walk->src.virt.addr; - ret = crypt_s390_kmc(func, iv, out, in, n); + ret = crypt_s390_kmc(func, ¶m, out, in, n); if (ret < 0 || ret != n) return -EIO; nbytes &= DES_BLOCK_SIZE - 1; ret = blkcipher_walk_done(desc, walk, nbytes); } while ((nbytes = walk->nbytes)); - memcpy(walk->iv, iv, DES_BLOCK_SIZE); + memcpy(walk->iv, param.iv, DES_BLOCK_SIZE); out: return ret; @@ -179,22 +186,20 @@ static int cbc_des_encrypt(struct blkcipher_desc *desc, struct scatterlist *dst, struct scatterlist *src, unsigned int nbytes) { - struct s390_des_ctx *ctx = crypto_blkcipher_ctx(desc->tfm); struct blkcipher_walk walk; blkcipher_walk_init(&walk, dst, src, nbytes); - return cbc_desall_crypt(desc, KMC_DEA_ENCRYPT, ctx->iv, &walk); + return cbc_desall_crypt(desc, KMC_DEA_ENCRYPT, &walk); } static int cbc_des_decrypt(struct blkcipher_desc *desc, struct scatterlist *dst, struct scatterlist *src, unsigned int nbytes) { - struct s390_des_ctx *ctx = crypto_blkcipher_ctx(desc->tfm); struct blkcipher_walk walk; blkcipher_walk_init(&walk, dst, src, nbytes); - return cbc_desall_crypt(desc, KMC_DEA_DECRYPT, ctx->iv, &walk); + return cbc_desall_crypt(desc, KMC_DEA_DECRYPT, &walk); } static struct crypto_alg cbc_des_alg = { @@ -327,22 +332,20 @@ static int cbc_des3_encrypt(struct blkcipher_desc *desc, struct scatterlist *dst, struct scatterlist *src, unsigned int nbytes) { - struct s390_des_ctx *ctx = crypto_blkcipher_ctx(desc->tfm); struct blkcipher_walk walk; blkcipher_walk_init(&walk, dst, src, nbytes); - return cbc_desall_crypt(desc, KMC_TDEA_192_ENCRYPT, ctx->iv, &walk); + return cbc_desall_crypt(desc, KMC_TDEA_192_ENCRYPT, &walk); } static int cbc_des3_decrypt(struct blkcipher_desc *desc, struct scatterlist *dst, struct scatterlist *src, unsigned int nbytes) { - struct s390_des_ctx *ctx = crypto_blkcipher_ctx(desc->tfm); struct blkcipher_walk walk; blkcipher_walk_init(&walk, dst, src, nbytes); - return cbc_desall_crypt(desc, KMC_TDEA_192_DECRYPT, ctx->iv, &walk); + return cbc_desall_crypt(desc, KMC_TDEA_192_DECRYPT, &walk); } static struct crypto_alg cbc_des3_alg = { @@ -366,54 +369,80 @@ static struct crypto_alg cbc_des3_alg = { } }; +static unsigned int __ctrblk_init(u8 *ctrptr, unsigned int nbytes) +{ + unsigned int i, n; + + /* align to block size, max. PAGE_SIZE */ + n = (nbytes > PAGE_SIZE) ? PAGE_SIZE : nbytes & ~(DES_BLOCK_SIZE - 1); + for (i = DES_BLOCK_SIZE; i < n; i += DES_BLOCK_SIZE) { + memcpy(ctrptr + i, ctrptr + i - DES_BLOCK_SIZE, DES_BLOCK_SIZE); + crypto_inc(ctrptr + i, DES_BLOCK_SIZE); + } + return n; +} + static int ctr_desall_crypt(struct blkcipher_desc *desc, long func, - struct s390_des_ctx *ctx, struct blkcipher_walk *walk) + struct s390_des_ctx *ctx, + struct blkcipher_walk *walk) { int ret = blkcipher_walk_virt_block(desc, walk, DES_BLOCK_SIZE); - unsigned int i, n, nbytes; - u8 buf[DES_BLOCK_SIZE]; - u8 *out, *in; + unsigned int n, nbytes; + u8 buf[DES_BLOCK_SIZE], ctrbuf[DES_BLOCK_SIZE]; + u8 *out, *in, *ctrptr = ctrbuf; + + if (!walk->nbytes) + return ret; - memcpy(ctrblk, walk->iv, DES_BLOCK_SIZE); + if (spin_trylock(&ctrblk_lock)) + ctrptr = ctrblk; + + memcpy(ctrptr, walk->iv, DES_BLOCK_SIZE); while ((nbytes = walk->nbytes) >= DES_BLOCK_SIZE) { out = walk->dst.virt.addr; in = walk->src.virt.addr; while (nbytes >= DES_BLOCK_SIZE) { - /* align to block size, max. PAGE_SIZE */ - n = (nbytes > PAGE_SIZE) ? PAGE_SIZE : - nbytes & ~(DES_BLOCK_SIZE - 1); - for (i = DES_BLOCK_SIZE; i < n; i += DES_BLOCK_SIZE) { - memcpy(ctrblk + i, ctrblk + i - DES_BLOCK_SIZE, - DES_BLOCK_SIZE); - crypto_inc(ctrblk + i, DES_BLOCK_SIZE); - } - ret = crypt_s390_kmctr(func, ctx->key, out, in, n, ctrblk); - if (ret < 0 || ret != n) + if (ctrptr == ctrblk) + n = __ctrblk_init(ctrptr, nbytes); + else + n = DES_BLOCK_SIZE; + ret = crypt_s390_kmctr(func, ctx->key, out, in, + n, ctrptr); + if (ret < 0 || ret != n) { + if (ctrptr == ctrblk) + spin_unlock(&ctrblk_lock); return -EIO; + } if (n > DES_BLOCK_SIZE) - memcpy(ctrblk, ctrblk + n - DES_BLOCK_SIZE, + memcpy(ctrptr, ctrptr + n - DES_BLOCK_SIZE, DES_BLOCK_SIZE); - crypto_inc(ctrblk, DES_BLOCK_SIZE); + crypto_inc(ctrptr, DES_BLOCK_SIZE); out += n; in += n; nbytes -= n; } ret = blkcipher_walk_done(desc, walk, nbytes); } - + if (ctrptr == ctrblk) { + if (nbytes) + memcpy(ctrbuf, ctrptr, DES_BLOCK_SIZE); + else + memcpy(walk->iv, ctrptr, DES_BLOCK_SIZE); + spin_unlock(&ctrblk_lock); + } /* final block may be < DES_BLOCK_SIZE, copy only nbytes */ if (nbytes) { out = walk->dst.virt.addr; in = walk->src.virt.addr; ret = crypt_s390_kmctr(func, ctx->key, buf, in, - DES_BLOCK_SIZE, ctrblk); + DES_BLOCK_SIZE, ctrbuf); if (ret < 0 || ret != DES_BLOCK_SIZE) return -EIO; memcpy(out, buf, nbytes); - crypto_inc(ctrblk, DES_BLOCK_SIZE); + crypto_inc(ctrbuf, DES_BLOCK_SIZE); ret = blkcipher_walk_done(desc, walk, 0); + memcpy(walk->iv, ctrbuf, DES_BLOCK_SIZE); } - memcpy(walk->iv, ctrblk, DES_BLOCK_SIZE); return ret; } diff --git a/arch/s390/include/uapi/asm/statfs.h b/arch/s390/include/uapi/asm/statfs.h index a61d538756f2..471eb09184d4 100644 --- a/arch/s390/include/uapi/asm/statfs.h +++ b/arch/s390/include/uapi/asm/statfs.h @@ -35,11 +35,11 @@ struct statfs { struct statfs64 { unsigned int f_type; unsigned int f_bsize; - unsigned long f_blocks; - unsigned long f_bfree; - unsigned long f_bavail; - unsigned long f_files; - unsigned long f_ffree; + unsigned long long f_blocks; + unsigned long long f_bfree; + unsigned long long f_bavail; + unsigned long long f_files; + unsigned long long f_ffree; __kernel_fsid_t f_fsid; unsigned int f_namelen; unsigned int f_frsize; diff --git a/arch/s390/kernel/head64.S b/arch/s390/kernel/head64.S index b9e25ae2579c..d7c00507568a 100644 --- a/arch/s390/kernel/head64.S +++ b/arch/s390/kernel/head64.S @@ -59,7 +59,7 @@ ENTRY(startup_continue) .quad 0 # cr12: tracing off .quad 0 # cr13: home space segment table .quad 0xc0000000 # cr14: machine check handling off - .quad 0 # cr15: linkage stack operations + .quad .Llinkage_stack # cr15: linkage stack operations .Lpcmsk:.quad 0x0000000180000000 .L4malign:.quad 0xffffffffffc00000 .Lscan2g:.quad 0x80000000 + 0x20000 - 8 # 2GB + 128K - 8 @@ -67,12 +67,15 @@ ENTRY(startup_continue) .Lparmaddr: .quad PARMAREA .align 64 -.Lduct: .long 0,0,0,0,.Lduald,0,0,0 +.Lduct: .long 0,.Laste,.Laste,0,.Lduald,0,0,0 .long 0,0,0,0,0,0,0,0 +.Laste: .quad 0,0xffffffffffffffff,0,0,0,0,0,0 .align 128 .Lduald:.rept 8 .long 0x80000000,0,0,0 # invalid access-list entries .endr +.Llinkage_stack: + .long 0,0,0x89000000,0,0,0,0x8a000000,0 ENTRY(_ehead) diff --git a/arch/s390/kvm/diag.c b/arch/s390/kvm/diag.c index 1c01a9912989..6acb24d606fd 100644 --- a/arch/s390/kvm/diag.c +++ b/arch/s390/kvm/diag.c @@ -130,7 +130,7 @@ static int __diag_virtio_hypercall(struct kvm_vcpu *vcpu) int kvm_s390_handle_diag(struct kvm_vcpu *vcpu) { - int code = (vcpu->arch.sie_block->ipb & 0xfff0000) >> 16; + int code = kvm_s390_get_base_disp_rs(vcpu) & 0xffff; trace_kvm_s390_handle_diag(vcpu, code); switch (code) { diff --git a/arch/s390/mm/page-states.c b/arch/s390/mm/page-states.c index a90d45e9dfb0..27c50f4d90cb 100644 --- a/arch/s390/mm/page-states.c +++ b/arch/s390/mm/page-states.c @@ -12,6 +12,8 @@ #include <linux/mm.h> #include <linux/gfp.h> #include <linux/init.h> +#include <asm/setup.h> +#include <asm/ipl.h> #define ESSA_SET_STABLE 1 #define ESSA_SET_UNUSED 2 @@ -41,6 +43,14 @@ void __init cmma_init(void) if (!cmma_flag) return; + /* + * Disable CMM for dump, otherwise the tprot based memory + * detection can fail because of unstable pages. + */ + if (OLDMEM_BASE || ipl_info.type == IPL_TYPE_FCP_DUMP) { + cmma_flag = 0; + return; + } asm volatile( " .insn rrf,0xb9ab0000,%1,%1,0,0\n" "0: la %0,0\n" diff --git a/arch/s390/net/bpf_jit_comp.c b/arch/s390/net/bpf_jit_comp.c index 82f165f8078c..1919db6c0607 100644 --- a/arch/s390/net/bpf_jit_comp.c +++ b/arch/s390/net/bpf_jit_comp.c @@ -335,14 +335,16 @@ static int bpf_jit_insn(struct bpf_jit *jit, struct sock_filter *filter, EMIT4_PCREL(0xa7840000, (jit->ret0_ip - jit->prg)); /* lhi %r4,0 */ EMIT4(0xa7480000); - /* dr %r4,%r12 */ - EMIT2(0x1d4c); + /* dlr %r4,%r12 */ + EMIT4(0xb997004c); break; - case BPF_S_ALU_DIV_K: /* A = reciprocal_divide(A, K) */ - /* m %r4,<d(K)>(%r13) */ - EMIT4_DISP(0x5c40d000, EMIT_CONST(K)); - /* lr %r5,%r4 */ - EMIT2(0x1854); + case BPF_S_ALU_DIV_K: /* A /= K */ + if (K == 1) + break; + /* lhi %r4,0 */ + EMIT4(0xa7480000); + /* dl %r4,<d(K)>(%r13) */ + EMIT6_DISP(0xe340d000, 0x0097, EMIT_CONST(K)); break; case BPF_S_ALU_MOD_X: /* A %= X */ jit->seen |= SEEN_XREG | SEEN_RET0; @@ -352,16 +354,21 @@ static int bpf_jit_insn(struct bpf_jit *jit, struct sock_filter *filter, EMIT4_PCREL(0xa7840000, (jit->ret0_ip - jit->prg)); /* lhi %r4,0 */ EMIT4(0xa7480000); - /* dr %r4,%r12 */ - EMIT2(0x1d4c); + /* dlr %r4,%r12 */ + EMIT4(0xb997004c); /* lr %r5,%r4 */ EMIT2(0x1854); break; case BPF_S_ALU_MOD_K: /* A %= K */ + if (K == 1) { + /* lhi %r5,0 */ + EMIT4(0xa7580000); + break; + } /* lhi %r4,0 */ EMIT4(0xa7480000); - /* d %r4,<d(K)>(%r13) */ - EMIT4_DISP(0x5d40d000, EMIT_CONST(K)); + /* dl %r4,<d(K)>(%r13) */ + EMIT6_DISP(0xe340d000, 0x0097, EMIT_CONST(K)); /* lr %r5,%r4 */ EMIT2(0x1854); break; diff --git a/arch/sh/kernel/kgdb.c b/arch/sh/kernel/kgdb.c index 38b313909ac9..adad46e41a1d 100644 --- a/arch/sh/kernel/kgdb.c +++ b/arch/sh/kernel/kgdb.c @@ -13,6 +13,7 @@ #include <linux/kdebug.h> #include <linux/irq.h> #include <linux/io.h> +#include <linux/sched.h> #include <asm/cacheflush.h> #include <asm/traps.h> diff --git a/arch/sh/kernel/sh_ksyms_32.c b/arch/sh/kernel/sh_ksyms_32.c index 2a0a596ebf67..d77f2f6c7ff0 100644 --- a/arch/sh/kernel/sh_ksyms_32.c +++ b/arch/sh/kernel/sh_ksyms_32.c @@ -20,6 +20,11 @@ EXPORT_SYMBOL(csum_partial_copy_generic); EXPORT_SYMBOL(copy_page); EXPORT_SYMBOL(__clear_user); EXPORT_SYMBOL(empty_zero_page); +#ifdef CONFIG_FLATMEM +/* need in pfn_valid macro */ +EXPORT_SYMBOL(min_low_pfn); +EXPORT_SYMBOL(max_low_pfn); +#endif #define DECLARE_EXPORT(name) \ extern void name(void);EXPORT_SYMBOL(name) diff --git a/arch/sh/lib/Makefile b/arch/sh/lib/Makefile index 7b95f29e3174..3baff31e58cf 100644 --- a/arch/sh/lib/Makefile +++ b/arch/sh/lib/Makefile @@ -6,7 +6,7 @@ lib-y = delay.o memmove.o memchr.o \ checksum.o strlen.o div64.o div64-generic.o # Extracted from libgcc -lib-y += movmem.o ashldi3.o ashrdi3.o lshrdi3.o \ +obj-y += movmem.o ashldi3.o ashrdi3.o lshrdi3.o \ ashlsi3.o ashrsi3.o ashiftrt.o lshrsi3.o \ udiv_qrnnd.o diff --git a/arch/sparc/include/asm/pgtable_64.h b/arch/sparc/include/asm/pgtable_64.h index 7619f2f792af..dfb0019bf05b 100644 --- a/arch/sparc/include/asm/pgtable_64.h +++ b/arch/sparc/include/asm/pgtable_64.h @@ -616,7 +616,7 @@ static inline unsigned long pte_present(pte_t pte) } #define pte_accessible pte_accessible -static inline unsigned long pte_accessible(pte_t a) +static inline unsigned long pte_accessible(struct mm_struct *mm, pte_t a) { return pte_val(a) & _PAGE_VALID; } @@ -806,7 +806,7 @@ static inline void __set_pte_at(struct mm_struct *mm, unsigned long addr, * SUN4V NOTE: _PAGE_VALID is the same value in both the SUN4U * and SUN4V pte layout, so this inline test is fine. */ - if (likely(mm != &init_mm) && pte_accessible(orig)) + if (likely(mm != &init_mm) && pte_accessible(mm, orig)) tlb_batch_add(mm, addr, ptep, orig, fullmm); } diff --git a/arch/sparc/net/bpf_jit_comp.c b/arch/sparc/net/bpf_jit_comp.c index d36a85ebb5e0..fd95862c65aa 100644 --- a/arch/sparc/net/bpf_jit_comp.c +++ b/arch/sparc/net/bpf_jit_comp.c @@ -497,9 +497,20 @@ void bpf_jit_compile(struct sk_filter *fp) case BPF_S_ALU_MUL_K: /* A *= K */ emit_alu_K(MUL, K); break; - case BPF_S_ALU_DIV_K: /* A /= K */ - emit_alu_K(MUL, K); - emit_read_y(r_A); + case BPF_S_ALU_DIV_K: /* A /= K with K != 0*/ + if (K == 1) + break; + emit_write_y(G0); +#ifdef CONFIG_SPARC32 + /* The Sparc v8 architecture requires + * three instructions between a %y + * register write and the first use. + */ + emit_nop(); + emit_nop(); + emit_nop(); +#endif + emit_alu_K(DIV, K); break; case BPF_S_ALU_DIV_X: /* A /= X; */ emit_cmpi(r_X, 0); diff --git a/arch/tile/include/asm/compat.h b/arch/tile/include/asm/compat.h index 78f1f2ded86c..ffd4493efc78 100644 --- a/arch/tile/include/asm/compat.h +++ b/arch/tile/include/asm/compat.h @@ -281,7 +281,6 @@ long compat_sys_pread64(unsigned int fd, char __user *ubuf, size_t count, u32 dummy, u32 low, u32 high); long compat_sys_pwrite64(unsigned int fd, char __user *ubuf, size_t count, u32 dummy, u32 low, u32 high); -long compat_sys_lookup_dcookie(u32 low, u32 high, char __user *buf, size_t len); long compat_sys_sync_file_range2(int fd, unsigned int flags, u32 offset_lo, u32 offset_hi, u32 nbytes_lo, u32 nbytes_hi); diff --git a/arch/x86/Makefile b/arch/x86/Makefile index d5cf85057d63..412189d2bff9 100644 --- a/arch/x86/Makefile +++ b/arch/x86/Makefile @@ -31,8 +31,8 @@ ifeq ($(CONFIG_X86_32),y) KBUILD_CFLAGS += -msoft-float -mregparm=3 -freg-struct-return - # Don't autogenerate SSE instructions - KBUILD_CFLAGS += -mno-sse + # Don't autogenerate MMX or SSE instructions + KBUILD_CFLAGS += -mno-mmx -mno-sse # Never want PIC in a 32-bit kernel, prevent breakage with GCC built # with nonstandard options @@ -60,8 +60,8 @@ else KBUILD_AFLAGS += -m64 KBUILD_CFLAGS += -m64 - # Don't autogenerate SSE instructions - KBUILD_CFLAGS += -mno-sse + # Don't autogenerate MMX or SSE instructions + KBUILD_CFLAGS += -mno-mmx -mno-sse # Use -mpreferred-stack-boundary=3 if supported. KBUILD_CFLAGS += $(call cc-option,-mpreferred-stack-boundary=3) diff --git a/arch/x86/boot/Makefile b/arch/x86/boot/Makefile index 379814bc41e3..6cf0111783d3 100644 --- a/arch/x86/boot/Makefile +++ b/arch/x86/boot/Makefile @@ -53,18 +53,18 @@ $(obj)/cpustr.h: $(obj)/mkcpustr FORCE # How to compile the 16-bit code. Note we always compile for -march=i386, # that way we can complain to the user if the CPU is insufficient. -KBUILD_CFLAGS := $(USERINCLUDE) -g -Os -D_SETUP -D__KERNEL__ \ +KBUILD_CFLAGS := $(USERINCLUDE) -m32 -g -Os -D_SETUP -D__KERNEL__ \ -DDISABLE_BRANCH_PROFILING \ -Wall -Wstrict-prototypes \ -march=i386 -mregparm=3 \ -include $(srctree)/$(src)/code16gcc.h \ -fno-strict-aliasing -fomit-frame-pointer -fno-pic \ + -mno-mmx -mno-sse \ $(call cc-option, -ffreestanding) \ $(call cc-option, -fno-toplevel-reorder,\ - $(call cc-option, -fno-unit-at-a-time)) \ + $(call cc-option, -fno-unit-at-a-time)) \ $(call cc-option, -fno-stack-protector) \ $(call cc-option, -mpreferred-stack-boundary=2) -KBUILD_CFLAGS += $(call cc-option, -m32) KBUILD_AFLAGS := $(KBUILD_CFLAGS) -D__ASSEMBLY__ GCOV_PROFILE := n diff --git a/arch/x86/boot/compressed/Makefile b/arch/x86/boot/compressed/Makefile index 5ef205c5f37b..7194d9f094bc 100644 --- a/arch/x86/boot/compressed/Makefile +++ b/arch/x86/boot/compressed/Makefile @@ -12,6 +12,7 @@ KBUILD_CFLAGS += -DDISABLE_BRANCH_PROFILING cflags-$(CONFIG_X86_32) := -march=i386 cflags-$(CONFIG_X86_64) := -mcmodel=small KBUILD_CFLAGS += $(cflags-y) +KBUILD_CFLAGS += -mno-mmx -mno-sse KBUILD_CFLAGS += $(call cc-option,-ffreestanding) KBUILD_CFLAGS += $(call cc-option,-fno-stack-protector) diff --git a/arch/x86/include/asm/fpu-internal.h b/arch/x86/include/asm/fpu-internal.h index e25cc33ec54d..e72b2e41499e 100644 --- a/arch/x86/include/asm/fpu-internal.h +++ b/arch/x86/include/asm/fpu-internal.h @@ -295,12 +295,13 @@ static inline int restore_fpu_checking(struct task_struct *tsk) /* AMD K7/K8 CPUs don't save/restore FDP/FIP/FOP unless an exception is pending. Clear the x87 state here by setting it to fixed values. "m" is a random variable that should be in L1 */ - alternative_input( - ASM_NOP8 ASM_NOP2, - "emms\n\t" /* clear stack tags */ - "fildl %P[addr]", /* set F?P to defined value */ - X86_FEATURE_FXSAVE_LEAK, - [addr] "m" (tsk->thread.fpu.has_fpu)); + if (unlikely(static_cpu_has(X86_FEATURE_FXSAVE_LEAK))) { + asm volatile( + "fnclex\n\t" + "emms\n\t" + "fildl %P[addr]" /* set F?P to defined value */ + : : [addr] "m" (tsk->thread.fpu.has_fpu)); + } return fpu_restore_checking(&tsk->thread.fpu); } diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h index 1e672234c4ff..5460bf923e16 100644 --- a/arch/x86/include/asm/pgtable.h +++ b/arch/x86/include/asm/pgtable.h @@ -415,9 +415,16 @@ static inline int pte_present(pte_t a) } #define pte_accessible pte_accessible -static inline int pte_accessible(pte_t a) +static inline bool pte_accessible(struct mm_struct *mm, pte_t a) { - return pte_flags(a) & _PAGE_PRESENT; + if (pte_flags(a) & _PAGE_PRESENT) + return true; + + if ((pte_flags(a) & (_PAGE_PROTNONE | _PAGE_NUMA)) && + mm_tlb_flush_pending(mm)) + return true; + + return false; } static inline int pte_hidden(pte_t pte) diff --git a/arch/x86/include/asm/spinlock.h b/arch/x86/include/asm/spinlock.h index 33692eaabab5..e3ddd7db723f 100644 --- a/arch/x86/include/asm/spinlock.h +++ b/arch/x86/include/asm/spinlock.h @@ -233,8 +233,4 @@ static inline void arch_write_unlock(arch_rwlock_t *rw) #define arch_read_relax(lock) cpu_relax() #define arch_write_relax(lock) cpu_relax() -/* The {read|write|spin}_lock() on x86 are full memory barriers. */ -static inline void smp_mb__after_lock(void) { } -#define ARCH_HAS_SMP_MB_AFTER_LOCK - #endif /* _ASM_X86_SPINLOCK_H */ diff --git a/arch/x86/include/asm/xen/page.h b/arch/x86/include/asm/xen/page.h index 6aef9fbc09b7..b913915e8e63 100644 --- a/arch/x86/include/asm/xen/page.h +++ b/arch/x86/include/asm/xen/page.h @@ -79,30 +79,38 @@ static inline int phys_to_machine_mapping_valid(unsigned long pfn) return get_phys_to_machine(pfn) != INVALID_P2M_ENTRY; } -static inline unsigned long mfn_to_pfn(unsigned long mfn) +static inline unsigned long mfn_to_pfn_no_overrides(unsigned long mfn) { unsigned long pfn; - int ret = 0; + int ret; if (xen_feature(XENFEAT_auto_translated_physmap)) return mfn; - if (unlikely(mfn >= machine_to_phys_nr)) { - pfn = ~0; - goto try_override; - } - pfn = 0; + if (unlikely(mfn >= machine_to_phys_nr)) + return ~0; + /* * The array access can fail (e.g., device space beyond end of RAM). * In such cases it doesn't matter what we return (we return garbage), * but we must handle the fault without crashing! */ ret = __get_user(pfn, &machine_to_phys_mapping[mfn]); -try_override: - /* ret might be < 0 if there are no entries in the m2p for mfn */ if (ret < 0) - pfn = ~0; - else if (get_phys_to_machine(pfn) != mfn) + return ~0; + + return pfn; +} + +static inline unsigned long mfn_to_pfn(unsigned long mfn) +{ + unsigned long pfn; + + if (xen_feature(XENFEAT_auto_translated_physmap)) + return mfn; + + pfn = mfn_to_pfn_no_overrides(mfn); + if (get_phys_to_machine(pfn) != mfn) { /* * If this appears to be a foreign mfn (because the pfn * doesn't map back to the mfn), then check the local override @@ -111,6 +119,7 @@ try_override: * m2p_find_override_pfn returns ~0 if it doesn't find anything. */ pfn = m2p_find_override_pfn(mfn, ~0); + } /* * pfn is ~0 if there are no entries in the m2p for mfn or if the diff --git a/arch/x86/include/uapi/asm/msr-index.h b/arch/x86/include/uapi/asm/msr-index.h index 2af848dfa754..d3fd447ecbee 100644 --- a/arch/x86/include/uapi/asm/msr-index.h +++ b/arch/x86/include/uapi/asm/msr-index.h @@ -179,6 +179,7 @@ #define MSR_AMD64_PATCH_LOADER 0xc0010020 #define MSR_AMD64_OSVW_ID_LENGTH 0xc0010140 #define MSR_AMD64_OSVW_STATUS 0xc0010141 +#define MSR_AMD64_LS_CFG 0xc0011020 #define MSR_AMD64_DC_CFG 0xc0011022 #define MSR_AMD64_BU_CFG2 0xc001102a #define MSR_AMD64_IBSFETCHCTL 0xc0011030 diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c index 5013a48d1aff..ae177a014180 100644 --- a/arch/x86/kernel/cpu/amd.c +++ b/arch/x86/kernel/cpu/amd.c @@ -508,6 +508,16 @@ static void __cpuinit early_init_amd(struct cpuinfo_x86 *c) set_cpu_cap(c, X86_FEATURE_EXTD_APICID); } #endif + + /* F16h erratum 793, CVE-2013-6885 */ + if (c->x86 == 0x16 && c->x86_model <= 0xf) { + u64 val; + + rdmsrl(MSR_AMD64_LS_CFG, val); + if (!(val & BIT(15))) + wrmsrl(MSR_AMD64_LS_CFG, val | BIT(15)); + } + } static const int amd_erratum_383[]; diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c index 22018f70a671..deeb48d9459b 100644 --- a/arch/x86/kernel/cpu/common.c +++ b/arch/x86/kernel/cpu/common.c @@ -284,8 +284,13 @@ static __always_inline void setup_smap(struct cpuinfo_x86 *c) raw_local_save_flags(eflags); BUG_ON(eflags & X86_EFLAGS_AC); - if (cpu_has(c, X86_FEATURE_SMAP)) + if (cpu_has(c, X86_FEATURE_SMAP)) { +#ifdef CONFIG_X86_SMAP set_in_cr4(X86_CR4_SMAP); +#else + clear_in_cr4(X86_CR4_SMAP); +#endif + } } /* diff --git a/arch/x86/kernel/cpu/intel.c b/arch/x86/kernel/cpu/intel.c index 9b0c441c03f5..f187806dfc18 100644 --- a/arch/x86/kernel/cpu/intel.c +++ b/arch/x86/kernel/cpu/intel.c @@ -387,7 +387,8 @@ static void __cpuinit init_intel(struct cpuinfo_x86 *c) set_cpu_cap(c, X86_FEATURE_PEBS); } - if (c->x86 == 6 && c->x86_model == 29 && cpu_has_clflush) + if (c->x86 == 6 && cpu_has_clflush && + (c->x86_model == 29 || c->x86_model == 46 || c->x86_model == 47)) set_cpu_cap(c, X86_FEATURE_CLFLUSH_MONITOR); #ifdef CONFIG_X86_64 @@ -627,7 +628,7 @@ static void __cpuinit intel_tlb_flushall_shift_set(struct cpuinfo_x86 *c) tlb_flushall_shift = 5; break; case 0x63a: /* Ivybridge */ - tlb_flushall_shift = 1; + tlb_flushall_shift = 2; break; default: tlb_flushall_shift = 6; diff --git a/arch/x86/kernel/cpu/perf_event.c b/arch/x86/kernel/cpu/perf_event.c index 1025f3c99d20..a69b67d968d4 100644 --- a/arch/x86/kernel/cpu/perf_event.c +++ b/arch/x86/kernel/cpu/perf_event.c @@ -1165,6 +1165,9 @@ static void x86_pmu_del(struct perf_event *event, int flags) for (i = 0; i < cpuc->n_events; i++) { if (event == cpuc->event_list[i]) { + if (i >= cpuc->n_events - cpuc->n_added) + --cpuc->n_added; + if (x86_pmu.put_event_constraints) x86_pmu.put_event_constraints(cpuc, event); diff --git a/arch/x86/kernel/cpu/perf_event_amd_ibs.c b/arch/x86/kernel/cpu/perf_event_amd_ibs.c index 5f0581e713c2..b46601ada813 100644 --- a/arch/x86/kernel/cpu/perf_event_amd_ibs.c +++ b/arch/x86/kernel/cpu/perf_event_amd_ibs.c @@ -10,6 +10,7 @@ #include <linux/module.h> #include <linux/pci.h> #include <linux/ptrace.h> +#include <linux/syscore_ops.h> #include <asm/apic.h> @@ -816,6 +817,18 @@ out: return ret; } +static void ibs_eilvt_setup(void) +{ + /* + * Force LVT offset assignment for family 10h: The offsets are + * not assigned by the BIOS for this family, so the OS is + * responsible for doing it. If the OS assignment fails, fall + * back to BIOS settings and try to setup this. + */ + if (boot_cpu_data.x86 == 0x10) + force_ibs_eilvt_setup(); +} + static inline int get_ibs_lvt_offset(void) { u64 val; @@ -851,6 +864,36 @@ static void clear_APIC_ibs(void *dummy) setup_APIC_eilvt(offset, 0, APIC_EILVT_MSG_FIX, 1); } +#ifdef CONFIG_PM + +static int perf_ibs_suspend(void) +{ + clear_APIC_ibs(NULL); + return 0; +} + +static void perf_ibs_resume(void) +{ + ibs_eilvt_setup(); + setup_APIC_ibs(NULL); +} + +static struct syscore_ops perf_ibs_syscore_ops = { + .resume = perf_ibs_resume, + .suspend = perf_ibs_suspend, +}; + +static void perf_ibs_pm_init(void) +{ + register_syscore_ops(&perf_ibs_syscore_ops); +} + +#else + +static inline void perf_ibs_pm_init(void) { } + +#endif + static int __cpuinit perf_ibs_cpu_notifier(struct notifier_block *self, unsigned long action, void *hcpu) { @@ -877,18 +920,12 @@ static __init int amd_ibs_init(void) if (!caps) return -ENODEV; /* ibs not supported by the cpu */ - /* - * Force LVT offset assignment for family 10h: The offsets are - * not assigned by the BIOS for this family, so the OS is - * responsible for doing it. If the OS assignment fails, fall - * back to BIOS settings and try to setup this. - */ - if (boot_cpu_data.x86 == 0x10) - force_ibs_eilvt_setup(); + ibs_eilvt_setup(); if (!ibs_eilvt_valid()) goto out; + perf_ibs_pm_init(); get_online_cpus(); ibs_caps = caps; /* make ibs_caps visible to other cpus: */ diff --git a/arch/x86/kernel/entry_32.S b/arch/x86/kernel/entry_32.S index 8f3e2dec1df3..94e52cf064b0 100644 --- a/arch/x86/kernel/entry_32.S +++ b/arch/x86/kernel/entry_32.S @@ -1075,7 +1075,7 @@ ENTRY(ftrace_caller) pushl $0 /* Pass NULL as regs pointer */ movl 4*4(%esp), %eax movl 0x4(%ebp), %edx - leal function_trace_op, %ecx + movl function_trace_op, %ecx subl $MCOUNT_INSN_SIZE, %eax .globl ftrace_call @@ -1133,7 +1133,7 @@ ENTRY(ftrace_regs_caller) movl 12*4(%esp), %eax /* Load ip (1st parameter) */ subl $MCOUNT_INSN_SIZE, %eax /* Adjust ip */ movl 0x4(%ebp), %edx /* Load parent ip (2nd parameter) */ - leal function_trace_op, %ecx /* Save ftrace_pos in 3rd parameter */ + movl function_trace_op, %ecx /* Save ftrace_pos in 3rd parameter */ pushl %esp /* Save pt_regs as 4th parameter */ GLOBAL(ftrace_regs_call) diff --git a/arch/x86/kernel/entry_64.S b/arch/x86/kernel/entry_64.S index 727208941030..7ac938a4bfab 100644 --- a/arch/x86/kernel/entry_64.S +++ b/arch/x86/kernel/entry_64.S @@ -88,7 +88,7 @@ END(function_hook) MCOUNT_SAVE_FRAME \skip /* Load the ftrace_ops into the 3rd parameter */ - leaq function_trace_op, %rdx + movq function_trace_op(%rip), %rdx /* Load ip into the first parameter */ movq RIP(%rsp), %rdi diff --git a/arch/x86/kernel/ftrace.c b/arch/x86/kernel/ftrace.c index d4bdd253fea7..e6253195a301 100644 --- a/arch/x86/kernel/ftrace.c +++ b/arch/x86/kernel/ftrace.c @@ -77,8 +77,7 @@ within(unsigned long addr, unsigned long start, unsigned long end) return addr >= start && addr < end; } -static int -do_ftrace_mod_code(unsigned long ip, const void *new_code) +static unsigned long text_ip_addr(unsigned long ip) { /* * On x86_64, kernel text mappings are mapped read-only with @@ -91,7 +90,7 @@ do_ftrace_mod_code(unsigned long ip, const void *new_code) if (within(ip, (unsigned long)_text, (unsigned long)_etext)) ip = (unsigned long)__va(__pa_symbol(ip)); - return probe_kernel_write((void *)ip, new_code, MCOUNT_INSN_SIZE); + return ip; } static const unsigned char *ftrace_nop_replace(void) @@ -123,8 +122,10 @@ ftrace_modify_code_direct(unsigned long ip, unsigned const char *old_code, if (memcmp(replaced, old_code, MCOUNT_INSN_SIZE) != 0) return -EINVAL; + ip = text_ip_addr(ip); + /* replace the text with the new text */ - if (do_ftrace_mod_code(ip, new_code)) + if (probe_kernel_write((void *)ip, new_code, MCOUNT_INSN_SIZE)) return -EPERM; sync_core(); @@ -221,37 +222,51 @@ int ftrace_modify_call(struct dyn_ftrace *rec, unsigned long old_addr, return -EINVAL; } -int ftrace_update_ftrace_func(ftrace_func_t func) +static unsigned long ftrace_update_func; + +static int update_ftrace_func(unsigned long ip, void *new) { - unsigned long ip = (unsigned long)(&ftrace_call); - unsigned char old[MCOUNT_INSN_SIZE], *new; + unsigned char old[MCOUNT_INSN_SIZE]; int ret; - memcpy(old, &ftrace_call, MCOUNT_INSN_SIZE); - new = ftrace_call_replace(ip, (unsigned long)func); + memcpy(old, (void *)ip, MCOUNT_INSN_SIZE); + + ftrace_update_func = ip; + /* Make sure the breakpoints see the ftrace_update_func update */ + smp_wmb(); /* See comment above by declaration of modifying_ftrace_code */ atomic_inc(&modifying_ftrace_code); ret = ftrace_modify_code(ip, old, new); + atomic_dec(&modifying_ftrace_code); + + return ret; +} + +int ftrace_update_ftrace_func(ftrace_func_t func) +{ + unsigned long ip = (unsigned long)(&ftrace_call); + unsigned char *new; + int ret; + + new = ftrace_call_replace(ip, (unsigned long)func); + ret = update_ftrace_func(ip, new); + /* Also update the regs callback function */ if (!ret) { ip = (unsigned long)(&ftrace_regs_call); - memcpy(old, &ftrace_regs_call, MCOUNT_INSN_SIZE); new = ftrace_call_replace(ip, (unsigned long)func); - ret = ftrace_modify_code(ip, old, new); + ret = update_ftrace_func(ip, new); } - atomic_dec(&modifying_ftrace_code); - return ret; } static int is_ftrace_caller(unsigned long ip) { - if (ip == (unsigned long)(&ftrace_call) || - ip == (unsigned long)(&ftrace_regs_call)) + if (ip == ftrace_update_func) return 1; return 0; @@ -677,45 +692,41 @@ int __init ftrace_dyn_arch_init(void *data) #ifdef CONFIG_DYNAMIC_FTRACE extern void ftrace_graph_call(void); -static int ftrace_mod_jmp(unsigned long ip, - int old_offset, int new_offset) +static unsigned char *ftrace_jmp_replace(unsigned long ip, unsigned long addr) { - unsigned char code[MCOUNT_INSN_SIZE]; + static union ftrace_code_union calc; - if (probe_kernel_read(code, (void *)ip, MCOUNT_INSN_SIZE)) - return -EFAULT; + /* Jmp not a call (ignore the .e8) */ + calc.e8 = 0xe9; + calc.offset = ftrace_calc_offset(ip + MCOUNT_INSN_SIZE, addr); - if (code[0] != 0xe9 || old_offset != *(int *)(&code[1])) - return -EINVAL; + /* + * ftrace external locks synchronize the access to the static variable. + */ + return calc.code; +} - *(int *)(&code[1]) = new_offset; +static int ftrace_mod_jmp(unsigned long ip, void *func) +{ + unsigned char *new; - if (do_ftrace_mod_code(ip, &code)) - return -EPERM; + new = ftrace_jmp_replace(ip, (unsigned long)func); - return 0; + return update_ftrace_func(ip, new); } int ftrace_enable_ftrace_graph_caller(void) { unsigned long ip = (unsigned long)(&ftrace_graph_call); - int old_offset, new_offset; - old_offset = (unsigned long)(&ftrace_stub) - (ip + MCOUNT_INSN_SIZE); - new_offset = (unsigned long)(&ftrace_graph_caller) - (ip + MCOUNT_INSN_SIZE); - - return ftrace_mod_jmp(ip, old_offset, new_offset); + return ftrace_mod_jmp(ip, &ftrace_graph_caller); } int ftrace_disable_ftrace_graph_caller(void) { unsigned long ip = (unsigned long)(&ftrace_graph_call); - int old_offset, new_offset; - - old_offset = (unsigned long)(&ftrace_graph_caller) - (ip + MCOUNT_INSN_SIZE); - new_offset = (unsigned long)(&ftrace_stub) - (ip + MCOUNT_INSN_SIZE); - return ftrace_mod_jmp(ip, old_offset, new_offset); + return ftrace_mod_jmp(ip, &ftrace_stub); } #endif /* !CONFIG_DYNAMIC_FTRACE */ diff --git a/arch/x86/kernel/pci-dma.c b/arch/x86/kernel/pci-dma.c index 872079a67e4d..f7d0672481fd 100644 --- a/arch/x86/kernel/pci-dma.c +++ b/arch/x86/kernel/pci-dma.c @@ -100,8 +100,10 @@ void *dma_generic_alloc_coherent(struct device *dev, size_t size, flag |= __GFP_ZERO; again: page = NULL; - if (!(flag & GFP_ATOMIC)) + /* CMA can be used only in the context which permits sleeping */ + if (flag & __GFP_WAIT) page = dma_alloc_from_contiguous(dev, count, get_order(size)); + /* fallback */ if (!page) page = alloc_pages_node(dev_to_node(dev), flag, get_order(size)); if (!page) diff --git a/arch/x86/kvm/i8254.c b/arch/x86/kvm/i8254.c index 412a5aa0ef94..518d86471b76 100644 --- a/arch/x86/kvm/i8254.c +++ b/arch/x86/kvm/i8254.c @@ -37,6 +37,7 @@ #include "irq.h" #include "i8254.h" +#include "x86.h" #ifndef CONFIG_X86_64 #define mod_64(x, y) ((x) - (y) * div64_u64(x, y)) @@ -349,6 +350,23 @@ static void create_pit_timer(struct kvm *kvm, u32 val, int is_period) atomic_set(&ps->pending, 0); ps->irq_ack = 1; + /* + * Do not allow the guest to program periodic timers with small + * interval, since the hrtimers are not throttled by the host + * scheduler. + */ + if (ps->is_periodic) { + s64 min_period = min_timer_period_us * 1000LL; + + if (ps->period < min_period) { + pr_info_ratelimited( + "kvm: requested %lld ns " + "i8254 timer period limited to %lld ns\n", + ps->period, min_period); + ps->period = min_period; + } + } + hrtimer_start(&ps->timer, ktime_add_ns(ktime_get(), interval), HRTIMER_MODE_ABS); } diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c index 0eee2c8b64d1..61d9fed5eb31 100644 --- a/arch/x86/kvm/lapic.c +++ b/arch/x86/kvm/lapic.c @@ -71,9 +71,6 @@ #define VEC_POS(v) ((v) & (32 - 1)) #define REG_POS(v) (((v) >> 5) << 4) -static unsigned int min_timer_period_us = 500; -module_param(min_timer_period_us, uint, S_IRUGO | S_IWUSR); - static inline void apic_set_reg(struct kvm_lapic *apic, int reg_off, u32 val) { *((u32 *) (apic->regs + reg_off)) = val; @@ -153,6 +150,8 @@ static inline int kvm_apic_id(struct kvm_lapic *apic) return (kvm_apic_get_reg(apic, APIC_ID) >> 24) & 0xff; } +#define KVM_X2APIC_CID_BITS 0 + static void recalculate_apic_map(struct kvm *kvm) { struct kvm_apic_map *new, *old = NULL; @@ -190,7 +189,8 @@ static void recalculate_apic_map(struct kvm *kvm) if (apic_x2apic_mode(apic)) { new->ldr_bits = 32; new->cid_shift = 16; - new->cid_mask = new->lid_mask = 0xffff; + new->cid_mask = (1 << KVM_X2APIC_CID_BITS) - 1; + new->lid_mask = 0xffff; } else if (kvm_apic_sw_enabled(apic) && !new->cid_mask /* flat mode */ && kvm_apic_get_reg(apic, APIC_DFR) == APIC_DFR_CLUSTER) { @@ -855,7 +855,8 @@ static u32 apic_get_tmcct(struct kvm_lapic *apic) ASSERT(apic != NULL); /* if initial count is 0, current count should also be 0 */ - if (kvm_apic_get_reg(apic, APIC_TMICT) == 0) + if (kvm_apic_get_reg(apic, APIC_TMICT) == 0 || + apic->lapic_timer.period == 0) return 0; remaining = hrtimer_get_remaining(&apic->lapic_timer.timer); @@ -1360,8 +1361,12 @@ void kvm_lapic_set_base(struct kvm_vcpu *vcpu, u64 value) return; } + if (!kvm_vcpu_is_bsp(apic->vcpu)) + value &= ~MSR_IA32_APICBASE_BSP; + vcpu->arch.apic_base = value; + /* update jump label if enable bit changes */ - if ((vcpu->arch.apic_base ^ value) & MSR_IA32_APICBASE_ENABLE) { + if ((old_value ^ value) & MSR_IA32_APICBASE_ENABLE) { if (value & MSR_IA32_APICBASE_ENABLE) static_key_slow_dec_deferred(&apic_hw_disabled); else @@ -1369,10 +1374,6 @@ void kvm_lapic_set_base(struct kvm_vcpu *vcpu, u64 value) recalculate_apic_map(vcpu->kvm); } - if (!kvm_vcpu_is_bsp(apic->vcpu)) - value &= ~MSR_IA32_APICBASE_BSP; - - vcpu->arch.apic_base = value; if ((old_value ^ value) & X2APIC_ENABLE) { if (value & X2APIC_ENABLE) { u32 id = kvm_apic_id(apic); @@ -1705,7 +1706,6 @@ static void apic_sync_pv_eoi_from_guest(struct kvm_vcpu *vcpu, void kvm_lapic_sync_from_vapic(struct kvm_vcpu *vcpu) { u32 data; - void *vapic; if (test_bit(KVM_APIC_PV_EOI_PENDING, &vcpu->arch.apic_attention)) apic_sync_pv_eoi_from_guest(vcpu, vcpu->arch.apic); @@ -1713,9 +1713,8 @@ void kvm_lapic_sync_from_vapic(struct kvm_vcpu *vcpu) if (!test_bit(KVM_APIC_CHECK_VAPIC, &vcpu->arch.apic_attention)) return; - vapic = kmap_atomic(vcpu->arch.apic->vapic_page); - data = *(u32 *)(vapic + offset_in_page(vcpu->arch.apic->vapic_addr)); - kunmap_atomic(vapic); + kvm_read_guest_cached(vcpu->kvm, &vcpu->arch.apic->vapic_cache, &data, + sizeof(u32)); apic_set_tpr(vcpu->arch.apic, data & 0xff); } @@ -1751,7 +1750,6 @@ void kvm_lapic_sync_to_vapic(struct kvm_vcpu *vcpu) u32 data, tpr; int max_irr, max_isr; struct kvm_lapic *apic = vcpu->arch.apic; - void *vapic; apic_sync_pv_eoi_to_guest(vcpu, apic); @@ -1767,18 +1765,24 @@ void kvm_lapic_sync_to_vapic(struct kvm_vcpu *vcpu) max_isr = 0; data = (tpr & 0xff) | ((max_isr & 0xf0) << 8) | (max_irr << 24); - vapic = kmap_atomic(vcpu->arch.apic->vapic_page); - *(u32 *)(vapic + offset_in_page(vcpu->arch.apic->vapic_addr)) = data; - kunmap_atomic(vapic); + kvm_write_guest_cached(vcpu->kvm, &vcpu->arch.apic->vapic_cache, &data, + sizeof(u32)); } -void kvm_lapic_set_vapic_addr(struct kvm_vcpu *vcpu, gpa_t vapic_addr) +int kvm_lapic_set_vapic_addr(struct kvm_vcpu *vcpu, gpa_t vapic_addr) { - vcpu->arch.apic->vapic_addr = vapic_addr; - if (vapic_addr) + if (vapic_addr) { + if (kvm_gfn_to_hva_cache_init(vcpu->kvm, + &vcpu->arch.apic->vapic_cache, + vapic_addr, sizeof(u32))) + return -EINVAL; __set_bit(KVM_APIC_CHECK_VAPIC, &vcpu->arch.apic_attention); - else + } else { __clear_bit(KVM_APIC_CHECK_VAPIC, &vcpu->arch.apic_attention); + } + + vcpu->arch.apic->vapic_addr = vapic_addr; + return 0; } int kvm_x2apic_msr_write(struct kvm_vcpu *vcpu, u32 msr, u64 data) diff --git a/arch/x86/kvm/lapic.h b/arch/x86/kvm/lapic.h index c730ac9fe801..c8b0d0d2da5c 100644 --- a/arch/x86/kvm/lapic.h +++ b/arch/x86/kvm/lapic.h @@ -34,7 +34,7 @@ struct kvm_lapic { */ void *regs; gpa_t vapic_addr; - struct page *vapic_page; + struct gfn_to_hva_cache vapic_cache; unsigned long pending_events; unsigned int sipi_vector; }; @@ -76,7 +76,7 @@ void kvm_set_lapic_tscdeadline_msr(struct kvm_vcpu *vcpu, u64 data); void kvm_apic_write_nodecode(struct kvm_vcpu *vcpu, u32 offset); void kvm_apic_set_eoi_accelerated(struct kvm_vcpu *vcpu, int vector); -void kvm_lapic_set_vapic_addr(struct kvm_vcpu *vcpu, gpa_t vapic_addr); +int kvm_lapic_set_vapic_addr(struct kvm_vcpu *vcpu, gpa_t vapic_addr); void kvm_lapic_sync_from_vapic(struct kvm_vcpu *vcpu); void kvm_lapic_sync_to_vapic(struct kvm_vcpu *vcpu); diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index e8ba99c34180..1be0a9e75d1f 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -94,6 +94,9 @@ EXPORT_SYMBOL_GPL(kvm_x86_ops); static bool ignore_msrs = 0; module_param(ignore_msrs, bool, S_IRUGO | S_IWUSR); +unsigned int min_timer_period_us = 500; +module_param(min_timer_period_us, uint, S_IRUGO | S_IWUSR); + bool kvm_has_tsc_control; EXPORT_SYMBOL_GPL(kvm_has_tsc_control); u32 kvm_max_guest_tsc_khz; @@ -3138,8 +3141,7 @@ long kvm_arch_vcpu_ioctl(struct file *filp, r = -EFAULT; if (copy_from_user(&va, argp, sizeof va)) goto out; - r = 0; - kvm_lapic_set_vapic_addr(vcpu, va.vapic_addr); + r = kvm_lapic_set_vapic_addr(vcpu, va.vapic_addr); break; } case KVM_X86_SETUP_MCE: { @@ -5539,36 +5541,6 @@ static void post_kvm_run_save(struct kvm_vcpu *vcpu) !kvm_event_needs_reinjection(vcpu); } -static int vapic_enter(struct kvm_vcpu *vcpu) -{ - struct kvm_lapic *apic = vcpu->arch.apic; - struct page *page; - - if (!apic || !apic->vapic_addr) - return 0; - - page = gfn_to_page(vcpu->kvm, apic->vapic_addr >> PAGE_SHIFT); - if (is_error_page(page)) - return -EFAULT; - - vcpu->arch.apic->vapic_page = page; - return 0; -} - -static void vapic_exit(struct kvm_vcpu *vcpu) -{ - struct kvm_lapic *apic = vcpu->arch.apic; - int idx; - - if (!apic || !apic->vapic_addr) - return; - - idx = srcu_read_lock(&vcpu->kvm->srcu); - kvm_release_page_dirty(apic->vapic_page); - mark_page_dirty(vcpu->kvm, apic->vapic_addr >> PAGE_SHIFT); - srcu_read_unlock(&vcpu->kvm->srcu, idx); -} - static void update_cr8_intercept(struct kvm_vcpu *vcpu) { int max_irr, tpr; @@ -5889,11 +5861,6 @@ static int __vcpu_run(struct kvm_vcpu *vcpu) struct kvm *kvm = vcpu->kvm; vcpu->srcu_idx = srcu_read_lock(&kvm->srcu); - r = vapic_enter(vcpu); - if (r) { - srcu_read_unlock(&kvm->srcu, vcpu->srcu_idx); - return r; - } r = 1; while (r > 0) { @@ -5951,8 +5918,6 @@ static int __vcpu_run(struct kvm_vcpu *vcpu) srcu_read_unlock(&kvm->srcu, vcpu->srcu_idx); - vapic_exit(vcpu); - return r; } @@ -6017,7 +5982,7 @@ static int complete_emulated_mmio(struct kvm_vcpu *vcpu) frag->len -= len; } - if (vcpu->mmio_cur_fragment == vcpu->mmio_nr_fragments) { + if (vcpu->mmio_cur_fragment >= vcpu->mmio_nr_fragments) { vcpu->mmio_needed = 0; if (vcpu->mmio_is_write) return 1; diff --git a/arch/x86/kvm/x86.h b/arch/x86/kvm/x86.h index e224f7a671b6..3186542f2fa3 100644 --- a/arch/x86/kvm/x86.h +++ b/arch/x86/kvm/x86.h @@ -124,5 +124,7 @@ int kvm_write_guest_virt_system(struct x86_emulate_ctxt *ctxt, extern u64 host_xcr0; +extern unsigned int min_timer_period_us; + extern struct static_key kvm_no_apic_vcpu; #endif diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c index 6d77c3866faa..78dee3ef04d1 100644 --- a/arch/x86/mm/fault.c +++ b/arch/x86/mm/fault.c @@ -989,6 +989,12 @@ static int fault_in_kernel_space(unsigned long address) static inline bool smap_violation(int error_code, struct pt_regs *regs) { + if (!IS_ENABLED(CONFIG_X86_SMAP)) + return false; + + if (!static_cpu_has(X86_FEATURE_SMAP)) + return false; + if (error_code & PF_USER) return false; @@ -1090,11 +1096,9 @@ __do_page_fault(struct pt_regs *regs, unsigned long error_code) if (unlikely(error_code & PF_RSVD)) pgtable_bad(regs, error_code, address); - if (static_cpu_has(X86_FEATURE_SMAP)) { - if (unlikely(smap_violation(error_code, regs))) { - bad_area_nosemaphore(regs, error_code, address); - return; - } + if (unlikely(smap_violation(error_code, regs))) { + bad_area_nosemaphore(regs, error_code, address); + return; } perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, regs, address); diff --git a/arch/x86/net/bpf_jit_comp.c b/arch/x86/net/bpf_jit_comp.c index f66b54086ce5..0c966fecfb8c 100644 --- a/arch/x86/net/bpf_jit_comp.c +++ b/arch/x86/net/bpf_jit_comp.c @@ -324,15 +324,21 @@ void bpf_jit_compile(struct sk_filter *fp) EMIT2(0x89, 0xd0); /* mov %edx,%eax */ break; case BPF_S_ALU_MOD_K: /* A %= K; */ + if (K == 1) { + CLEAR_A(); + break; + } EMIT2(0x31, 0xd2); /* xor %edx,%edx */ EMIT1(0xb9);EMIT(K, 4); /* mov imm32,%ecx */ EMIT2(0xf7, 0xf1); /* div %ecx */ EMIT2(0x89, 0xd0); /* mov %edx,%eax */ break; - case BPF_S_ALU_DIV_K: /* A = reciprocal_divide(A, K); */ - EMIT3(0x48, 0x69, 0xc0); /* imul imm32,%rax,%rax */ - EMIT(K, 4); - EMIT4(0x48, 0xc1, 0xe8, 0x20); /* shr $0x20,%rax */ + case BPF_S_ALU_DIV_K: /* A /= K */ + if (K == 1) + break; + EMIT2(0x31, 0xd2); /* xor %edx,%edx */ + EMIT1(0xb9);EMIT(K, 4); /* mov imm32,%ecx */ + EMIT2(0xf7, 0xf1); /* div %ecx */ break; case BPF_S_ALU_AND_X: seen |= SEEN_XREG; diff --git a/arch/x86/platform/efi/efi.c b/arch/x86/platform/efi/efi.c index 91ac654ff4ea..6033be9ff81a 100644 --- a/arch/x86/platform/efi/efi.c +++ b/arch/x86/platform/efi/efi.c @@ -438,7 +438,7 @@ void __init efi_reserve_boot_services(void) * - Not within any part of the kernel * - Not the bios reserved area */ - if ((start+size >= __pa_symbol(_text) + if ((start + size > __pa_symbol(_text) && start <= __pa_symbol(_end)) || !e820_all_mapped(start, start+size, E820_RAM) || memblock_is_region_reserved(start, size)) { @@ -766,13 +766,6 @@ void __init efi_init(void) set_bit(EFI_MEMMAP, &x86_efi_facility); -#ifdef CONFIG_X86_32 - if (efi_is_native()) { - x86_platform.get_wallclock = efi_get_time; - x86_platform.set_wallclock = efi_set_rtc_mmss; - } -#endif - #if EFI_DEBUG print_efi_memmap(); #endif diff --git a/arch/x86/realmode/rm/Makefile b/arch/x86/realmode/rm/Makefile index 88692871823f..9cac82588cbc 100644 --- a/arch/x86/realmode/rm/Makefile +++ b/arch/x86/realmode/rm/Makefile @@ -73,9 +73,10 @@ KBUILD_CFLAGS := $(LINUXINCLUDE) -m32 -g -Os -D_SETUP -D__KERNEL__ -D_WAKEUP \ -march=i386 -mregparm=3 \ -include $(srctree)/$(src)/../../boot/code16gcc.h \ -fno-strict-aliasing -fomit-frame-pointer -fno-pic \ + -mno-mmx -mno-sse \ $(call cc-option, -ffreestanding) \ $(call cc-option, -fno-toplevel-reorder,\ - $(call cc-option, -fno-unit-at-a-time)) \ + $(call cc-option, -fno-unit-at-a-time)) \ $(call cc-option, -fno-stack-protector) \ $(call cc-option, -mpreferred-stack-boundary=2) KBUILD_AFLAGS := $(KBUILD_CFLAGS) -D__ASSEMBLY__ diff --git a/arch/x86/xen/p2m.c b/arch/x86/xen/p2m.c index d30885ce0810..9f6420c8f5ea 100644 --- a/arch/x86/xen/p2m.c +++ b/arch/x86/xen/p2m.c @@ -878,7 +878,6 @@ int m2p_add_override(unsigned long mfn, struct page *page, unsigned long uninitialized_var(address); unsigned level; pte_t *ptep = NULL; - int ret = 0; pfn = page_to_pfn(page); if (!PageHighMem(page)) { @@ -925,8 +924,8 @@ int m2p_add_override(unsigned long mfn, struct page *page, * frontend pages while they are being shared with the backend, * because mfn_to_pfn (that ends up being called by GUPF) will * return the backend pfn rather than the frontend pfn. */ - ret = __get_user(pfn, &machine_to_phys_mapping[mfn]); - if (ret == 0 && get_phys_to_machine(pfn) == mfn) + pfn = mfn_to_pfn_no_overrides(mfn); + if (get_phys_to_machine(pfn) == mfn) set_phys_to_machine(pfn, FOREIGN_FRAME(mfn)); return 0; @@ -941,7 +940,6 @@ int m2p_remove_override(struct page *page, unsigned long uninitialized_var(address); unsigned level; pte_t *ptep = NULL; - int ret = 0; pfn = page_to_pfn(page); mfn = get_phys_to_machine(pfn); @@ -1019,8 +1017,8 @@ int m2p_remove_override(struct page *page, * the original pfn causes mfn_to_pfn(mfn) to return the frontend * pfn again. */ mfn &= ~FOREIGN_FRAME_BIT; - ret = __get_user(pfn, &machine_to_phys_mapping[mfn]); - if (ret == 0 && get_phys_to_machine(pfn) == FOREIGN_FRAME(mfn) && + pfn = mfn_to_pfn_no_overrides(mfn); + if (get_phys_to_machine(pfn) == FOREIGN_FRAME(mfn) && m2p_find_override(mfn) == NULL) set_phys_to_machine(pfn, mfn); diff --git a/arch/x86/xen/smp.c b/arch/x86/xen/smp.c index a1e58e19d0cc..570c9a5c4d3f 100644 --- a/arch/x86/xen/smp.c +++ b/arch/x86/xen/smp.c @@ -245,6 +245,15 @@ static void __init xen_smp_prepare_boot_cpu(void) old memory can be recycled */ make_lowmem_page_readwrite(xen_initial_gdt); +#ifdef CONFIG_X86_32 + /* + * Xen starts us with XEN_FLAT_RING1_DS, but linux code + * expects __USER_DS + */ + loadsegment(ds, __USER_DS); + loadsegment(es, __USER_DS); +#endif + xen_filter_cpu_maps(); xen_setup_vcpu_info_placement(); } diff --git a/arch/xtensa/include/asm/traps.h b/arch/xtensa/include/asm/traps.h index 917488a0ab00..f2faa58f9a43 100644 --- a/arch/xtensa/include/asm/traps.h +++ b/arch/xtensa/include/asm/traps.h @@ -22,25 +22,37 @@ extern void do_unhandled(struct pt_regs *regs, unsigned long exccause); static inline void spill_registers(void) { - +#if XCHAL_NUM_AREGS > 16 __asm__ __volatile__ ( - "movi a14, "__stringify((1 << PS_EXCM_BIT) | LOCKLEVEL)"\n\t" - "mov a12, a0\n\t" - "rsr a13, sar\n\t" - "xsr a14, ps\n\t" - "movi a0, _spill_registers\n\t" - "rsync\n\t" - "callx0 a0\n\t" - "mov a0, a12\n\t" - "wsr a13, sar\n\t" - "wsr a14, ps\n\t" - : : -#if defined(CONFIG_FRAME_POINTER) - : "a2", "a3", "a4", "a11", "a12", "a13", "a14", "a15", + " call12 1f\n" + " _j 2f\n" + " retw\n" + " .align 4\n" + "1:\n" + " _entry a1, 48\n" + " addi a12, a0, 3\n" +#if XCHAL_NUM_AREGS > 32 + " .rept (" __stringify(XCHAL_NUM_AREGS) " - 32) / 12\n" + " _entry a1, 48\n" + " mov a12, a0\n" + " .endr\n" +#endif + " _entry a1, 48\n" +#if XCHAL_NUM_AREGS % 12 == 0 + " mov a8, a8\n" +#elif XCHAL_NUM_AREGS % 12 == 4 + " mov a12, a12\n" +#elif XCHAL_NUM_AREGS % 12 == 8 + " mov a4, a4\n" +#endif + " retw\n" + "2:\n" + : : : "a12", "a13", "memory"); #else - : "a2", "a3", "a4", "a7", "a11", "a12", "a13", "a14", "a15", + __asm__ __volatile__ ( + " mov a12, a12\n" + : : : "memory"); #endif - "memory"); } #endif /* _XTENSA_TRAPS_H */ diff --git a/arch/xtensa/kernel/entry.S b/arch/xtensa/kernel/entry.S index 5082507d5631..aa7f9add7d77 100644 --- a/arch/xtensa/kernel/entry.S +++ b/arch/xtensa/kernel/entry.S @@ -1912,6 +1912,43 @@ ENTRY(system_call) ENDPROC(system_call) +/* + * Spill live registers on the kernel stack macro. + * + * Entry condition: ps.woe is set, ps.excm is cleared + * Exit condition: windowstart has single bit set + * May clobber: a12, a13 + */ + .macro spill_registers_kernel + +#if XCHAL_NUM_AREGS > 16 + call12 1f + _j 2f + retw + .align 4 +1: + _entry a1, 48 + addi a12, a0, 3 +#if XCHAL_NUM_AREGS > 32 + .rept (XCHAL_NUM_AREGS - 32) / 12 + _entry a1, 48 + mov a12, a0 + .endr +#endif + _entry a1, 48 +#if XCHAL_NUM_AREGS % 12 == 0 + mov a8, a8 +#elif XCHAL_NUM_AREGS % 12 == 4 + mov a12, a12 +#elif XCHAL_NUM_AREGS % 12 == 8 + mov a4, a4 +#endif + retw +2: +#else + mov a12, a12 +#endif + .endm /* * Task switch. @@ -1924,21 +1961,20 @@ ENTRY(_switch_to) entry a1, 16 - mov a12, a2 # preserve 'prev' (a2) - mov a13, a3 # and 'next' (a3) + mov a10, a2 # preserve 'prev' (a2) + mov a11, a3 # and 'next' (a3) l32i a4, a2, TASK_THREAD_INFO l32i a5, a3, TASK_THREAD_INFO - save_xtregs_user a4 a6 a8 a9 a10 a11 THREAD_XTREGS_USER + save_xtregs_user a4 a6 a8 a9 a12 a13 THREAD_XTREGS_USER - s32i a0, a12, THREAD_RA # save return address - s32i a1, a12, THREAD_SP # save stack pointer + s32i a0, a10, THREAD_RA # save return address + s32i a1, a10, THREAD_SP # save stack pointer /* Disable ints while we manipulate the stack pointer. */ - movi a14, (1 << PS_EXCM_BIT) | LOCKLEVEL - xsr a14, ps + rsil a14, LOCKLEVEL rsr a3, excsave1 rsync s32i a3, a3, EXC_TABLE_FIXUP /* enter critical section */ @@ -1953,7 +1989,7 @@ ENTRY(_switch_to) /* Flush register file. */ - call0 _spill_registers # destroys a3, a4, and SAR + spill_registers_kernel /* Set kernel stack (and leave critical section) * Note: It's save to set it here. The stack will not be overwritten @@ -1969,13 +2005,13 @@ ENTRY(_switch_to) /* restore context of the task 'next' */ - l32i a0, a13, THREAD_RA # restore return address - l32i a1, a13, THREAD_SP # restore stack pointer + l32i a0, a11, THREAD_RA # restore return address + l32i a1, a11, THREAD_SP # restore stack pointer - load_xtregs_user a5 a6 a8 a9 a10 a11 THREAD_XTREGS_USER + load_xtregs_user a5 a6 a8 a9 a12 a13 THREAD_XTREGS_USER wsr a14, ps - mov a2, a12 # return 'prev' + mov a2, a10 # return 'prev' rsync retw diff --git a/arch/xtensa/platforms/xtfpga/setup.c b/arch/xtensa/platforms/xtfpga/setup.c index 96ef8eeb064e..8a95204cbdae 100644 --- a/arch/xtensa/platforms/xtfpga/setup.c +++ b/arch/xtensa/platforms/xtfpga/setup.c @@ -195,7 +195,7 @@ void platform_calibrate_ccount(void) * Ethernet -- OpenCores Ethernet MAC (ethoc driver) */ -static struct resource ethoc_res[] __initdata = { +static struct resource ethoc_res[] = { [0] = { /* register space */ .start = OETH_REGS_PADDR, .end = OETH_REGS_PADDR + OETH_REGS_SIZE - 1, @@ -213,7 +213,7 @@ static struct resource ethoc_res[] __initdata = { }, }; -static struct ethoc_platform_data ethoc_pdata __initdata = { +static struct ethoc_platform_data ethoc_pdata = { /* * The MAC address for these boards is 00:50:c2:13:6f:xx. * The last byte (here as zero) is read from the DIP switches on the @@ -223,7 +223,7 @@ static struct ethoc_platform_data ethoc_pdata __initdata = { .phy_id = -1, }; -static struct platform_device ethoc_device __initdata = { +static struct platform_device ethoc_device = { .name = "ethoc", .id = -1, .num_resources = ARRAY_SIZE(ethoc_res), @@ -237,13 +237,13 @@ static struct platform_device ethoc_device __initdata = { * UART */ -static struct resource serial_resource __initdata = { +static struct resource serial_resource = { .start = DUART16552_PADDR, .end = DUART16552_PADDR + 0x1f, .flags = IORESOURCE_MEM, }; -static struct plat_serial8250_port serial_platform_data[] __initdata = { +static struct plat_serial8250_port serial_platform_data[] = { [0] = { .mapbase = DUART16552_PADDR, .irq = DUART16552_INTNUM, @@ -256,7 +256,7 @@ static struct plat_serial8250_port serial_platform_data[] __initdata = { { }, }; -static struct platform_device xtavnet_uart __initdata = { +static struct platform_device xtavnet_uart = { .name = "serial8250", .id = PLAT8250_DEV_PLATFORM, .dev = { diff --git a/block/blk-lib.c b/block/blk-lib.c index d6f50d572565..9a32f5868fb9 100644 --- a/block/blk-lib.c +++ b/block/blk-lib.c @@ -121,6 +121,14 @@ int blkdev_issue_discard(struct block_device *bdev, sector_t sector, atomic_inc(&bb.done); submit_bio(type, bio); + + /* + * We can loop for a long time in here, if someone does + * full device discards (like mkfs). Be nice and allow + * us to schedule out to avoid softlocking if preempt + * is disabled. + */ + cond_resched(); } blk_finish_plug(&plug); diff --git a/block/blk.h b/block/blk.h index e837b8f619b7..b3bdeb36f361 100644 --- a/block/blk.h +++ b/block/blk.h @@ -96,7 +96,7 @@ static inline struct request *__elv_next_request(struct request_queue *q) q->flush_queue_delayed = 1; return NULL; } - if (unlikely(blk_queue_dying(q)) || + if (unlikely(blk_queue_bypass(q)) || !q->elevator->type->ops.elevator_dispatch_fn(q, 0)) return NULL; } diff --git a/crypto/algif_hash.c b/crypto/algif_hash.c index 585c3b279feb..850246206b12 100644 --- a/crypto/algif_hash.c +++ b/crypto/algif_hash.c @@ -117,9 +117,6 @@ static ssize_t hash_sendpage(struct socket *sock, struct page *page, if (flags & MSG_SENDPAGE_NOTLAST) flags |= MSG_MORE; - if (flags & MSG_SENDPAGE_NOTLAST) - flags |= MSG_MORE; - lock_sock(sk); sg_init_table(ctx->sgl.sg, 1); sg_set_page(ctx->sgl.sg, page, size, offset); diff --git a/crypto/algif_skcipher.c b/crypto/algif_skcipher.c index 918a3b4148b8..a19c027b29bd 100644 --- a/crypto/algif_skcipher.c +++ b/crypto/algif_skcipher.c @@ -381,9 +381,6 @@ static ssize_t skcipher_sendpage(struct socket *sock, struct page *page, if (flags & MSG_SENDPAGE_NOTLAST) flags |= MSG_MORE; - if (flags & MSG_SENDPAGE_NOTLAST) - flags |= MSG_MORE; - lock_sock(sk); if (!ctx->more && ctx->used) goto unlock; diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c index 95332717e4f5..99427d7307af 100644 --- a/drivers/acpi/battery.c +++ b/drivers/acpi/battery.c @@ -68,6 +68,7 @@ MODULE_AUTHOR("Alexey Starikovskiy <astarikovskiy@suse.de>"); MODULE_DESCRIPTION("ACPI Battery Driver"); MODULE_LICENSE("GPL"); +static int battery_bix_broken_package; static unsigned int cache_time = 1000; module_param(cache_time, uint, 0644); MODULE_PARM_DESC(cache_time, "cache time in milliseconds"); @@ -443,7 +444,12 @@ static int acpi_battery_get_info(struct acpi_battery *battery) ACPI_EXCEPTION((AE_INFO, status, "Evaluating %s", name)); return -ENODEV; } - if (test_bit(ACPI_BATTERY_XINFO_PRESENT, &battery->flags)) + + if (battery_bix_broken_package) + result = extract_package(battery, buffer.pointer, + extended_info_offsets + 1, + ARRAY_SIZE(extended_info_offsets) - 1); + else if (test_bit(ACPI_BATTERY_XINFO_PRESENT, &battery->flags)) result = extract_package(battery, buffer.pointer, extended_info_offsets, ARRAY_SIZE(extended_info_offsets)); @@ -1064,6 +1070,17 @@ static int battery_notify(struct notifier_block *nb, return 0; } +static struct dmi_system_id bat_dmi_table[] = { + { + .ident = "NEC LZ750/LS", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "NEC"), + DMI_MATCH(DMI_PRODUCT_NAME, "PC-LZ750LS"), + }, + }, + {}, +}; + static int acpi_battery_add(struct acpi_device *device) { int result = 0; @@ -1174,6 +1191,8 @@ static void __init acpi_battery_init_async(void *unused, async_cookie_t cookie) if (!acpi_battery_dir) return; #endif + if (dmi_check_system(bat_dmi_table)) + battery_bix_broken_package = 1; if (acpi_bus_register_driver(&acpi_battery_driver) < 0) { #ifdef CONFIG_ACPI_PROCFS_POWER acpi_unlock_battery_dir(acpi_battery_dir); diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c index 292de3cab9cc..ccba6e46cfb3 100644 --- a/drivers/acpi/bus.c +++ b/drivers/acpi/bus.c @@ -33,6 +33,7 @@ #include <linux/proc_fs.h> #include <linux/acpi.h> #include <linux/slab.h> +#include <linux/regulator/machine.h> #ifdef CONFIG_X86 #include <asm/mpspec.h> #endif @@ -705,6 +706,14 @@ void __init acpi_early_init(void) goto error0; } + /* + * If the system is using ACPI then we can be reasonably + * confident that any regulators are managed by the firmware + * so tell the regulator core it has everything it needs to + * know. + */ + regulator_has_full_constraints(); + return; error0: diff --git a/drivers/acpi/pci_irq.c b/drivers/acpi/pci_irq.c index 41c5e1b799ef..f658e0948703 100644 --- a/drivers/acpi/pci_irq.c +++ b/drivers/acpi/pci_irq.c @@ -432,6 +432,7 @@ int acpi_pci_irq_enable(struct pci_dev *dev) pin_name(pin)); } + kfree(entry); return 0; } diff --git a/drivers/acpi/processor_throttling.c b/drivers/acpi/processor_throttling.c index e7dd2c1fee79..5e47d7bf4745 100644 --- a/drivers/acpi/processor_throttling.c +++ b/drivers/acpi/processor_throttling.c @@ -59,6 +59,12 @@ struct throttling_tstate { int target_state; /* target T-state */ }; +struct acpi_processor_throttling_arg { + struct acpi_processor *pr; + int target_state; + bool force; +}; + #define THROTTLING_PRECHANGE (1) #define THROTTLING_POSTCHANGE (2) @@ -1063,16 +1069,24 @@ static int acpi_processor_set_throttling_ptc(struct acpi_processor *pr, return 0; } +static long acpi_processor_throttling_fn(void *data) +{ + struct acpi_processor_throttling_arg *arg = data; + struct acpi_processor *pr = arg->pr; + + return pr->throttling.acpi_processor_set_throttling(pr, + arg->target_state, arg->force); +} + int acpi_processor_set_throttling(struct acpi_processor *pr, int state, bool force) { - cpumask_var_t saved_mask; int ret = 0; unsigned int i; struct acpi_processor *match_pr; struct acpi_processor_throttling *p_throttling; + struct acpi_processor_throttling_arg arg; struct throttling_tstate t_state; - cpumask_var_t online_throttling_cpus; if (!pr) return -EINVAL; @@ -1083,14 +1097,6 @@ int acpi_processor_set_throttling(struct acpi_processor *pr, if ((state < 0) || (state > (pr->throttling.state_count - 1))) return -EINVAL; - if (!alloc_cpumask_var(&saved_mask, GFP_KERNEL)) - return -ENOMEM; - - if (!alloc_cpumask_var(&online_throttling_cpus, GFP_KERNEL)) { - free_cpumask_var(saved_mask); - return -ENOMEM; - } - if (cpu_is_offline(pr->id)) { /* * the cpu pointed by pr->id is offline. Unnecessary to change @@ -1099,17 +1105,15 @@ int acpi_processor_set_throttling(struct acpi_processor *pr, return -ENODEV; } - cpumask_copy(saved_mask, ¤t->cpus_allowed); t_state.target_state = state; p_throttling = &(pr->throttling); - cpumask_and(online_throttling_cpus, cpu_online_mask, - p_throttling->shared_cpu_map); + /* * The throttling notifier will be called for every * affected cpu in order to get one proper T-state. * The notifier event is THROTTLING_PRECHANGE. */ - for_each_cpu(i, online_throttling_cpus) { + for_each_cpu_and(i, cpu_online_mask, p_throttling->shared_cpu_map) { t_state.cpu = i; acpi_processor_throttling_notifier(THROTTLING_PRECHANGE, &t_state); @@ -1121,21 +1125,18 @@ int acpi_processor_set_throttling(struct acpi_processor *pr, * it can be called only for the cpu pointed by pr. */ if (p_throttling->shared_type == DOMAIN_COORD_TYPE_SW_ANY) { - /* FIXME: use work_on_cpu() */ - if (set_cpus_allowed_ptr(current, cpumask_of(pr->id))) { - /* Can't migrate to the pr->id CPU. Exit */ - ret = -ENODEV; - goto exit; - } - ret = p_throttling->acpi_processor_set_throttling(pr, - t_state.target_state, force); + arg.pr = pr; + arg.target_state = state; + arg.force = force; + ret = work_on_cpu(pr->id, acpi_processor_throttling_fn, &arg); } else { /* * When the T-state coordination is SW_ALL or HW_ALL, * it is necessary to set T-state for every affected * cpus. */ - for_each_cpu(i, online_throttling_cpus) { + for_each_cpu_and(i, cpu_online_mask, + p_throttling->shared_cpu_map) { match_pr = per_cpu(processors, i); /* * If the pointer is invalid, we will report the @@ -1156,13 +1157,12 @@ int acpi_processor_set_throttling(struct acpi_processor *pr, "on CPU %d\n", i)); continue; } - t_state.cpu = i; - /* FIXME: use work_on_cpu() */ - if (set_cpus_allowed_ptr(current, cpumask_of(i))) - continue; - ret = match_pr->throttling. - acpi_processor_set_throttling( - match_pr, t_state.target_state, force); + + arg.pr = match_pr; + arg.target_state = state; + arg.force = force; + ret = work_on_cpu(pr->id, acpi_processor_throttling_fn, + &arg); } } /* @@ -1171,17 +1171,12 @@ int acpi_processor_set_throttling(struct acpi_processor *pr, * affected cpu to update the T-states. * The notifier event is THROTTLING_POSTCHANGE */ - for_each_cpu(i, online_throttling_cpus) { + for_each_cpu_and(i, cpu_online_mask, p_throttling->shared_cpu_map) { t_state.cpu = i; acpi_processor_throttling_notifier(THROTTLING_POSTCHANGE, &t_state); } - /* restore the previous state */ - /* FIXME: use work_on_cpu() */ - set_cpus_allowed_ptr(current, saved_mask); -exit: - free_cpumask_var(online_throttling_cpus); - free_cpumask_var(saved_mask); + return ret; } diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c index 055dfdfd7348..82a01cc45f9c 100644 --- a/drivers/acpi/video.c +++ b/drivers/acpi/video.c @@ -733,6 +733,7 @@ acpi_video_init_brightness(struct acpi_video_device *device) union acpi_object *o; struct acpi_video_device_brightness *br = NULL; int result = -EINVAL; + u32 value; if (!ACPI_SUCCESS(acpi_video_device_lcd_query_levels(device, &obj))) { ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Could not query available " @@ -763,7 +764,12 @@ acpi_video_init_brightness(struct acpi_video_device *device) printk(KERN_ERR PREFIX "Invalid data\n"); continue; } - br->levels[count] = (u32) o->integer.value; + value = (u32) o->integer.value; + /* Skip duplicate entries */ + if (count > 2 && br->levels[count - 1] == value) + continue; + + br->levels[count] = value; if (br->levels[count] > max_level) max_level = br->levels[count]; diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c index 3d67f76407c1..4942058402a4 100644 --- a/drivers/ata/ahci.c +++ b/drivers/ata/ahci.c @@ -61,6 +61,7 @@ enum board_ids { /* board IDs by feature in alphabetical order */ board_ahci, board_ahci_ign_iferr, + board_ahci_noncq, board_ahci_nosntf, board_ahci_yes_fbs, @@ -119,6 +120,13 @@ static const struct ata_port_info ahci_port_info[] = { .udma_mask = ATA_UDMA6, .port_ops = &ahci_ops, }, + [board_ahci_noncq] = { + AHCI_HFLAGS (AHCI_HFLAG_NO_NCQ), + .flags = AHCI_FLAG_COMMON, + .pio_mask = ATA_PIO4, + .udma_mask = ATA_UDMA6, + .port_ops = &ahci_ops, + }, [board_ahci_nosntf] = { AHCI_HFLAGS (AHCI_HFLAG_NO_SNTF), .flags = AHCI_FLAG_COMMON, @@ -427,6 +435,9 @@ static const struct pci_device_id ahci_pci_tbl[] = { .driver_data = board_ahci_yes_fbs }, /* 88se9128 */ { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9125), .driver_data = board_ahci_yes_fbs }, /* 88se9125 */ + { PCI_DEVICE_SUB(PCI_VENDOR_ID_MARVELL_EXT, 0x9178, + PCI_VENDOR_ID_MARVELL_EXT, 0x9170), + .driver_data = board_ahci_yes_fbs }, /* 88se9170 */ { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x917a), .driver_data = board_ahci_yes_fbs }, /* 88se9172 */ { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9172), @@ -447,6 +458,12 @@ static const struct pci_device_id ahci_pci_tbl[] = { { PCI_VDEVICE(ASMEDIA, 0x0611), board_ahci }, /* ASM1061 */ { PCI_VDEVICE(ASMEDIA, 0x0612), board_ahci }, /* ASM1062 */ + /* + * Samsung SSDs found on some macbooks. NCQ times out. + * https://bugzilla.kernel.org/show_bug.cgi?id=60731 + */ + { PCI_VDEVICE(SAMSUNG, 0x1600), board_ahci_noncq }, + /* Enmotus */ { PCI_DEVICE(0x1c44, 0x8000), board_ahci }, diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index cd6aa28a8143..15518fda2d2a 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -2199,6 +2199,16 @@ int ata_dev_configure(struct ata_device *dev) if (rc) return rc; + /* some WD SATA-1 drives have issues with LPM, turn on NOLPM for them */ + if ((dev->horkage & ATA_HORKAGE_WD_BROKEN_LPM) && + (id[ATA_ID_SATA_CAPABILITY] & 0xe) == 0x2) + dev->horkage |= ATA_HORKAGE_NOLPM; + + if (dev->horkage & ATA_HORKAGE_NOLPM) { + ata_dev_warn(dev, "LPM support broken, forcing max_power\n"); + dev->link->ap->target_lpm_policy = ATA_LPM_MAX_POWER; + } + /* let ACPI work its magic */ rc = ata_acpi_on_devcfg(dev); if (rc) @@ -2401,7 +2411,7 @@ int ata_dev_configure(struct ata_device *dev) cdb_intr_string = ", CDB intr"; } - if (atapi_dmadir || atapi_id_dmadir(dev->id)) { + if (atapi_dmadir || (dev->horkage & ATA_HORKAGE_ATAPI_DMADIR) || atapi_id_dmadir(dev->id)) { dev->flags |= ATA_DFLAG_DMADIR; dma_dir_string = ", DMADIR"; } @@ -4140,6 +4150,9 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = { { "ST3320[68]13AS", "SD1[5-9]", ATA_HORKAGE_NONCQ | ATA_HORKAGE_FIRMWARE_WARN }, + /* Seagate Momentus SpinPoint M8 seem to have FPMDA_AA issues */ + { "ST1000LM024 HN-M101MBB", "2AR10001", ATA_HORKAGE_BROKEN_FPDMA_AA }, + /* Blacklist entries taken from Silicon Image 3124/3132 Windows driver .inf file - also several Linux problem reports */ { "HTS541060G9SA00", "MB3OC60D", ATA_HORKAGE_NONCQ, }, @@ -4186,6 +4199,23 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = { { "PIONEER DVD-RW DVR-212D", NULL, ATA_HORKAGE_NOSETXFER }, { "PIONEER DVD-RW DVR-216D", NULL, ATA_HORKAGE_NOSETXFER }, + /* + * Some WD SATA-I drives spin up and down erratically when the link + * is put into the slumber mode. We don't have full list of the + * affected devices. Disable LPM if the device matches one of the + * known prefixes and is SATA-1. As a side effect LPM partial is + * lost too. + * + * https://bugzilla.kernel.org/show_bug.cgi?id=57211 + */ + { "WDC WD800JD-*", NULL, ATA_HORKAGE_WD_BROKEN_LPM }, + { "WDC WD1200JD-*", NULL, ATA_HORKAGE_WD_BROKEN_LPM }, + { "WDC WD1600JD-*", NULL, ATA_HORKAGE_WD_BROKEN_LPM }, + { "WDC WD2000JD-*", NULL, ATA_HORKAGE_WD_BROKEN_LPM }, + { "WDC WD2500JD-*", NULL, ATA_HORKAGE_WD_BROKEN_LPM }, + { "WDC WD3000JD-*", NULL, ATA_HORKAGE_WD_BROKEN_LPM }, + { "WDC WD3200JD-*", NULL, ATA_HORKAGE_WD_BROKEN_LPM }, + /* End Marker */ { } }; @@ -6503,6 +6533,8 @@ static int __init ata_parse_force_one(char **cur, { "nosrst", .lflags = ATA_LFLAG_NO_SRST }, { "norst", .lflags = ATA_LFLAG_NO_HRST | ATA_LFLAG_NO_SRST }, { "rstonce", .lflags = ATA_LFLAG_RST_ONCE }, + { "atapi_dmadir", .horkage_on = ATA_HORKAGE_ATAPI_DMADIR }, + { "disable", .horkage_on = ATA_HORKAGE_DISABLE }, }; char *start = *cur, *p = *cur; char *id, *val, *endp; diff --git a/drivers/ata/libata-pmp.c b/drivers/ata/libata-pmp.c index 20fd337a5731..7ccc084bf1df 100644 --- a/drivers/ata/libata-pmp.c +++ b/drivers/ata/libata-pmp.c @@ -447,8 +447,11 @@ static void sata_pmp_quirks(struct ata_port *ap) * otherwise. Don't try hard to recover it. */ ap->pmp_link[ap->nr_pmp_links - 1].flags |= ATA_LFLAG_NO_RETRY; - } else if (vendor == 0x197b && devid == 0x2352) { - /* chip found in Thermaltake BlackX Duet, jmicron JMB350? */ + } else if (vendor == 0x197b && (devid == 0x2352 || devid == 0x0325)) { + /* + * 0x2352: found in Thermaltake BlackX Duet, jmicron JMB350? + * 0x0325: jmicron JMB394. + */ ata_for_each_link(link, ap, EDGE) { /* SRST breaks detection and disks get misclassified * LPM disabled to avoid potential problems diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c index 4abdbdff6943..9933b4db7caf 100644 --- a/drivers/ata/libata-scsi.c +++ b/drivers/ata/libata-scsi.c @@ -112,12 +112,14 @@ static const char *ata_lpm_policy_names[] = { [ATA_LPM_MIN_POWER] = "min_power", }; -static ssize_t ata_scsi_lpm_store(struct device *dev, +static ssize_t ata_scsi_lpm_store(struct device *device, struct device_attribute *attr, const char *buf, size_t count) { - struct Scsi_Host *shost = class_to_shost(dev); + struct Scsi_Host *shost = class_to_shost(device); struct ata_port *ap = ata_shost_to_port(shost); + struct ata_link *link; + struct ata_device *dev; enum ata_lpm_policy policy; unsigned long flags; @@ -133,10 +135,20 @@ static ssize_t ata_scsi_lpm_store(struct device *dev, return -EINVAL; spin_lock_irqsave(ap->lock, flags); + + ata_for_each_link(link, ap, EDGE) { + ata_for_each_dev(dev, &ap->link, ENABLED) { + if (dev->horkage & ATA_HORKAGE_NOLPM) { + count = -EOPNOTSUPP; + goto out_unlock; + } + } + } + ap->target_lpm_policy = policy; ata_port_schedule_eh(ap); +out_unlock: spin_unlock_irqrestore(ap->lock, flags); - return count; } @@ -3864,6 +3876,27 @@ void ata_scsi_hotplug(struct work_struct *work) return; } + /* + * XXX - UGLY HACK + * + * The block layer suspend/resume path is fundamentally broken due + * to freezable kthreads and workqueue and may deadlock if a block + * device gets removed while resume is in progress. I don't know + * what the solution is short of removing freezable kthreads and + * workqueues altogether. + * + * The following is an ugly hack to avoid kicking off device + * removal while freezer is active. This is a joke but does avoid + * this particular deadlock scenario. + * + * https://bugzilla.kernel.org/show_bug.cgi?id=62801 + * http://marc.info/?l=linux-kernel&m=138695698516487 + */ +#ifdef CONFIG_FREEZER + while (pm_freezing) + msleep(10); +#endif + DPRINTK("ENTER\n"); mutex_lock(&ap->scsi_scan_mutex); diff --git a/drivers/ata/sata_mv.c b/drivers/ata/sata_mv.c index 35c6b6d09c27..b256ff5b6579 100644 --- a/drivers/ata/sata_mv.c +++ b/drivers/ata/sata_mv.c @@ -304,6 +304,7 @@ enum { MV5_LTMODE = 0x30, MV5_PHY_CTL = 0x0C, SATA_IFCFG = 0x050, + LP_PHY_CTL = 0x058, MV_M2_PREAMP_MASK = 0x7e0, @@ -431,6 +432,7 @@ enum { MV_HP_CUT_THROUGH = (1 << 10), /* can use EDMA cut-through */ MV_HP_FLAG_SOC = (1 << 11), /* SystemOnChip, no PCI */ MV_HP_QUIRK_LED_BLINK_EN = (1 << 12), /* is led blinking enabled? */ + MV_HP_FIX_LP_PHY_CTL = (1 << 13), /* fix speed in LP_PHY_CTL ? */ /* Port private flags (pp_flags) */ MV_PP_FLAG_EDMA_EN = (1 << 0), /* is EDMA engine enabled? */ @@ -1353,6 +1355,7 @@ static int mv_scr_write(struct ata_link *link, unsigned int sc_reg_in, u32 val) if (ofs != 0xffffffffU) { void __iomem *addr = mv_ap_base(link->ap) + ofs; + struct mv_host_priv *hpriv = link->ap->host->private_data; if (sc_reg_in == SCR_CONTROL) { /* * Workaround for 88SX60x1 FEr SATA#26: @@ -1369,6 +1372,18 @@ static int mv_scr_write(struct ata_link *link, unsigned int sc_reg_in, u32 val) */ if ((val & 0xf) == 1 || (readl(addr) & 0xf) == 1) val |= 0xf000; + + if (hpriv->hp_flags & MV_HP_FIX_LP_PHY_CTL) { + void __iomem *lp_phy_addr = + mv_ap_base(link->ap) + LP_PHY_CTL; + /* + * Set PHY speed according to SControl speed. + */ + if ((val & 0xf0) == 0x10) + writelfl(0x7, lp_phy_addr); + else + writelfl(0x227, lp_phy_addr); + } } writelfl(val, addr); return 0; @@ -4111,6 +4126,15 @@ static int mv_platform_probe(struct platform_device *pdev) if (rc) goto err; + /* + * To allow disk hotplug on Armada 370/XP SoCs, the PHY speed must be + * updated in the LP_PHY_CTL register. + */ + if (pdev->dev.of_node && + of_device_is_compatible(pdev->dev.of_node, + "marvell,armada-370-sata")) + hpriv->hp_flags |= MV_HP_FIX_LP_PHY_CTL; + /* initialize adapter */ rc = mv_init_host(host); if (rc) @@ -4216,6 +4240,7 @@ static int mv_platform_resume(struct platform_device *pdev) #ifdef CONFIG_OF static struct of_device_id mv_sata_dt_ids[] = { + { .compatible = "marvell,armada-370-sata", }, { .compatible = "marvell,orion-sata", }, {}, }; diff --git a/drivers/ata/sata_sil.c b/drivers/ata/sata_sil.c index 0ae3ca4bf5c0..dd1faa564eb2 100644 --- a/drivers/ata/sata_sil.c +++ b/drivers/ata/sata_sil.c @@ -157,6 +157,7 @@ static const struct sil_drivelist { { "ST380011ASL", SIL_QUIRK_MOD15WRITE }, { "ST3120022ASL", SIL_QUIRK_MOD15WRITE }, { "ST3160021ASL", SIL_QUIRK_MOD15WRITE }, + { "TOSHIBA MK2561GSYN", SIL_QUIRK_MOD15WRITE }, { "Maxtor 4D060H3", SIL_QUIRK_UDMA5MAX }, { } }; diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c index 8c7421af8f15..c421fa528518 100644 --- a/drivers/block/rbd.c +++ b/drivers/block/rbd.c @@ -937,12 +937,14 @@ static const char *rbd_dev_v1_snap_name(struct rbd_device *rbd_dev, u64 snap_id) { u32 which; + const char *snap_name; which = rbd_dev_snap_index(rbd_dev, snap_id); if (which == BAD_SNAP_INDEX) - return NULL; + return ERR_PTR(-ENOENT); - return _rbd_dev_v1_snap_name(rbd_dev, which); + snap_name = _rbd_dev_v1_snap_name(rbd_dev, which); + return snap_name ? snap_name : ERR_PTR(-ENOMEM); } static const char *rbd_snap_name(struct rbd_device *rbd_dev, u64 snap_id) @@ -1126,6 +1128,7 @@ static void zero_bio_chain(struct bio *chain, int start_ofs) buf = bvec_kmap_irq(bv, &flags); memset(buf + remainder, 0, bv->bv_len - remainder); + flush_dcache_page(bv->bv_page); bvec_kunmap_irq(buf, &flags); } pos += bv->bv_len; @@ -1158,6 +1161,7 @@ static void zero_pages(struct page **pages, u64 offset, u64 end) local_irq_save(flags); kaddr = kmap_atomic(*page); memset(kaddr + page_offset, 0, length); + flush_dcache_page(*page); kunmap_atomic(kaddr); local_irq_restore(flags); @@ -2171,9 +2175,9 @@ static int rbd_img_request_fill(struct rbd_img_request *img_request, struct rbd_obj_request *obj_request = NULL; struct rbd_obj_request *next_obj_request; bool write_request = img_request_write_test(img_request); - struct bio *bio_list; + struct bio *bio_list = 0; unsigned int bio_offset = 0; - struct page **pages; + struct page **pages = 0; u64 img_offset; u64 resid; u16 opcode; @@ -2211,6 +2215,11 @@ static int rbd_img_request_fill(struct rbd_img_request *img_request, rbd_segment_name_free(object_name); if (!obj_request) goto out_unwind; + /* + * set obj_request->img_request before creating the + * osd_request so that it gets the right snapc + */ + rbd_img_obj_request_add(img_request, obj_request); if (type == OBJ_REQUEST_BIO) { unsigned int clone_size; @@ -2252,11 +2261,6 @@ static int rbd_img_request_fill(struct rbd_img_request *img_request, obj_request->pages, length, offset & ~PAGE_MASK, false, false); - /* - * set obj_request->img_request before formatting - * the osd_request so that it gets the right snapc - */ - rbd_img_obj_request_add(img_request, obj_request); if (write_request) rbd_osd_req_format_write(obj_request); else @@ -2817,7 +2821,7 @@ out_err: obj_request_done_set(obj_request); } -static int rbd_obj_notify_ack(struct rbd_device *rbd_dev, u64 notify_id) +static int rbd_obj_notify_ack_sync(struct rbd_device *rbd_dev, u64 notify_id) { struct rbd_obj_request *obj_request; struct ceph_osd_client *osdc = &rbd_dev->rbd_client->client->osdc; @@ -2832,16 +2836,17 @@ static int rbd_obj_notify_ack(struct rbd_device *rbd_dev, u64 notify_id) obj_request->osd_req = rbd_osd_req_create(rbd_dev, false, obj_request); if (!obj_request->osd_req) goto out; - obj_request->callback = rbd_obj_request_put; osd_req_op_watch_init(obj_request->osd_req, 0, CEPH_OSD_OP_NOTIFY_ACK, notify_id, 0, 0); rbd_osd_req_format_read(obj_request); ret = rbd_obj_request_submit(osdc, obj_request); -out: if (ret) - rbd_obj_request_put(obj_request); + goto out; + ret = rbd_obj_request_wait(obj_request); +out: + rbd_obj_request_put(obj_request); return ret; } @@ -2861,7 +2866,7 @@ static void rbd_watch_cb(u64 ver, u64 notify_id, u8 opcode, void *data) if (ret) rbd_warn(rbd_dev, ": header refresh error (%d)\n", ret); - rbd_obj_notify_ack(rbd_dev, notify_id); + rbd_obj_notify_ack_sync(rbd_dev, notify_id); } /* @@ -3333,6 +3338,31 @@ static void rbd_exists_validate(struct rbd_device *rbd_dev) clear_bit(RBD_DEV_FLAG_EXISTS, &rbd_dev->flags); } +static void rbd_dev_update_size(struct rbd_device *rbd_dev) +{ + sector_t size; + bool removing; + + /* + * Don't hold the lock while doing disk operations, + * or lock ordering will conflict with the bdev mutex via: + * rbd_add() -> blkdev_get() -> rbd_open() + */ + spin_lock_irq(&rbd_dev->lock); + removing = test_bit(RBD_DEV_FLAG_REMOVING, &rbd_dev->flags); + spin_unlock_irq(&rbd_dev->lock); + /* + * If the device is being removed, rbd_dev->disk has + * been destroyed, so don't try to update its size + */ + if (!removing) { + size = (sector_t)rbd_dev->mapping.size / SECTOR_SIZE; + dout("setting size to %llu sectors", (unsigned long long)size); + set_capacity(rbd_dev->disk, size); + revalidate_disk(rbd_dev->disk); + } +} + static int rbd_dev_refresh(struct rbd_device *rbd_dev) { u64 mapping_size; @@ -3351,12 +3381,7 @@ static int rbd_dev_refresh(struct rbd_device *rbd_dev) rbd_exists_validate(rbd_dev); mutex_unlock(&ctl_mutex); if (mapping_size != rbd_dev->mapping.size) { - sector_t size; - - size = (sector_t)rbd_dev->mapping.size / SECTOR_SIZE; - dout("setting size to %llu sectors", (unsigned long long)size); - set_capacity(rbd_dev->disk, size); - revalidate_disk(rbd_dev->disk); + rbd_dev_update_size(rbd_dev); } return ret; @@ -3710,12 +3735,14 @@ static int _rbd_dev_v2_snap_size(struct rbd_device *rbd_dev, u64 snap_id, if (ret < sizeof (size_buf)) return -ERANGE; - if (order) + if (order) { *order = size_buf.order; + dout(" order %u", (unsigned int)*order); + } *snap_size = le64_to_cpu(size_buf.size); - dout(" snap_id 0x%016llx order = %u, snap_size = %llu\n", - (unsigned long long)snap_id, (unsigned int)*order, + dout(" snap_id 0x%016llx snap_size = %llu\n", + (unsigned long long)snap_id, (unsigned long long)*snap_size); return 0; @@ -4030,8 +4057,13 @@ static u64 rbd_v2_snap_id_by_name(struct rbd_device *rbd_dev, const char *name) snap_id = snapc->snaps[which]; snap_name = rbd_dev_v2_snap_name(rbd_dev, snap_id); - if (IS_ERR(snap_name)) - break; + if (IS_ERR(snap_name)) { + /* ignore no-longer existing snapshots */ + if (PTR_ERR(snap_name) == -ENOENT) + continue; + else + break; + } found = !strcmp(name, snap_name); kfree(snap_name); } @@ -4110,8 +4142,8 @@ static int rbd_dev_spec_update(struct rbd_device *rbd_dev) /* Look up the snapshot name, and make a copy */ snap_name = rbd_snap_name(rbd_dev, spec->snap_id); - if (!snap_name) { - ret = -ENOMEM; + if (IS_ERR(snap_name)) { + ret = PTR_ERR(snap_name); goto out_err; } @@ -5059,23 +5091,6 @@ err_out_module: return (ssize_t)rc; } -static struct rbd_device *__rbd_get_dev(unsigned long dev_id) -{ - struct list_head *tmp; - struct rbd_device *rbd_dev; - - spin_lock(&rbd_dev_list_lock); - list_for_each(tmp, &rbd_dev_list) { - rbd_dev = list_entry(tmp, struct rbd_device, node); - if (rbd_dev->dev_id == dev_id) { - spin_unlock(&rbd_dev_list_lock); - return rbd_dev; - } - } - spin_unlock(&rbd_dev_list_lock); - return NULL; -} - static void rbd_dev_device_release(struct device *dev) { struct rbd_device *rbd_dev = dev_to_rbd_dev(dev); @@ -5120,8 +5135,10 @@ static ssize_t rbd_remove(struct bus_type *bus, size_t count) { struct rbd_device *rbd_dev = NULL; - int target_id; + struct list_head *tmp; + int dev_id; unsigned long ul; + bool already = false; int ret; ret = strict_strtoul(buf, 10, &ul); @@ -5129,30 +5146,51 @@ static ssize_t rbd_remove(struct bus_type *bus, return ret; /* convert to int; abort if we lost anything in the conversion */ - target_id = (int) ul; - if (target_id != ul) + dev_id = (int)ul; + if (dev_id != ul) return -EINVAL; mutex_lock_nested(&ctl_mutex, SINGLE_DEPTH_NESTING); - rbd_dev = __rbd_get_dev(target_id); - if (!rbd_dev) { - ret = -ENOENT; - goto done; + ret = -ENOENT; + spin_lock(&rbd_dev_list_lock); + list_for_each(tmp, &rbd_dev_list) { + rbd_dev = list_entry(tmp, struct rbd_device, node); + if (rbd_dev->dev_id == dev_id) { + ret = 0; + break; + } } - - spin_lock_irq(&rbd_dev->lock); - if (rbd_dev->open_count) - ret = -EBUSY; - else - set_bit(RBD_DEV_FLAG_REMOVING, &rbd_dev->flags); - spin_unlock_irq(&rbd_dev->lock); - if (ret < 0) + if (!ret) { + spin_lock_irq(&rbd_dev->lock); + if (rbd_dev->open_count) + ret = -EBUSY; + else + already = test_and_set_bit(RBD_DEV_FLAG_REMOVING, + &rbd_dev->flags); + spin_unlock_irq(&rbd_dev->lock); + } + spin_unlock(&rbd_dev_list_lock); + if (ret < 0 || already) goto done; - rbd_bus_del_dev(rbd_dev); + ret = rbd_dev_header_watch_sync(rbd_dev, false); if (ret) rbd_warn(rbd_dev, "failed to cancel watch event (%d)\n", ret); + + /* + * flush remaining watch callbacks - these must be complete + * before the osd_client is shutdown + */ + dout("%s: flushing notifies", __func__); + ceph_osdc_flush_notifies(&rbd_dev->rbd_client->client->osdc); + /* + * Don't free anything from rbd_dev->disk until after all + * notifies are completely processed. Otherwise + * rbd_bus_del_dev() will race with rbd_watch_cb(), resulting + * in a potential use after free of rbd_dev->disk or rbd_dev. + */ + rbd_bus_del_dev(rbd_dev); rbd_dev_image_release(rbd_dev); module_put(THIS_MODULE); ret = count; diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c index 69b45fc97276..1735b0d17e29 100644 --- a/drivers/block/xen-blkfront.c +++ b/drivers/block/xen-blkfront.c @@ -1518,13 +1518,16 @@ static void blkback_changed(struct xenbus_device *dev, case XenbusStateReconfiguring: case XenbusStateReconfigured: case XenbusStateUnknown: - case XenbusStateClosed: break; case XenbusStateConnected: blkfront_connect(info); break; + case XenbusStateClosed: + if (dev->state == XenbusStateClosed) + break; + /* Missed the backend's Closing state -- fallthrough */ case XenbusStateClosing: blkfront_closing(info); break; diff --git a/drivers/char/raw.c b/drivers/char/raw.c index f3223aac4df1..6e8d65e9b1d3 100644 --- a/drivers/char/raw.c +++ b/drivers/char/raw.c @@ -190,7 +190,7 @@ static int bind_get(int number, dev_t *dev) struct raw_device_data *rawdev; struct block_device *bdev; - if (number <= 0 || number >= MAX_RAW_MINORS) + if (number <= 0 || number >= max_raw_minors) return -EINVAL; rawdev = &raw_devices[number]; diff --git a/drivers/char/tpm/tpm_i2c_stm_st33.c b/drivers/char/tpm/tpm_i2c_stm_st33.c index 5bb8e2ddd3b3..156bd3c72770 100644 --- a/drivers/char/tpm/tpm_i2c_stm_st33.c +++ b/drivers/char/tpm/tpm_i2c_stm_st33.c @@ -410,6 +410,8 @@ static int recv_data(struct tpm_chip *chip, u8 *buf, size_t count) &chip->vendor.read_queue) == 0) { burstcnt = get_burstcount(chip); + if (burstcnt < 0) + return burstcnt; len = min_t(int, burstcnt, count - size); I2C_READ_DATA(client, TPM_DATA_FIFO, buf + size, len); size += len; @@ -451,7 +453,8 @@ static irqreturn_t tpm_ioserirq_handler(int irq, void *dev_id) static int tpm_stm_i2c_send(struct tpm_chip *chip, unsigned char *buf, size_t len) { - u32 status, burstcnt = 0, i, size; + u32 status, i, size; + int burstcnt = 0; int ret; u8 data; struct i2c_client *client; @@ -482,6 +485,8 @@ static int tpm_stm_i2c_send(struct tpm_chip *chip, unsigned char *buf, for (i = 0; i < len - 1;) { burstcnt = get_burstcount(chip); + if (burstcnt < 0) + return burstcnt; size = min_t(int, len - i - 1, burstcnt); ret = I2C_WRITE_DATA(client, TPM_DATA_FIFO, buf, size); if (ret < 0) diff --git a/drivers/char/tpm/tpm_ppi.c b/drivers/char/tpm/tpm_ppi.c index 2168d15bc728..811ad1e4d802 100644 --- a/drivers/char/tpm/tpm_ppi.c +++ b/drivers/char/tpm/tpm_ppi.c @@ -27,15 +27,18 @@ static char *tpm_device_name = "TPM"; static acpi_status ppi_callback(acpi_handle handle, u32 level, void *context, void **return_value) { - acpi_status status; + acpi_status status = AE_OK; struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; - status = acpi_get_name(handle, ACPI_FULL_PATHNAME, &buffer); - if (strstr(buffer.pointer, context) != NULL) { - *return_value = handle; + + if (ACPI_SUCCESS(acpi_get_name(handle, ACPI_FULL_PATHNAME, &buffer))) { + if (strstr(buffer.pointer, context) != NULL) { + *return_value = handle; + status = AE_CTRL_TERMINATE; + } kfree(buffer.pointer); - return AE_CTRL_TERMINATE; } - return AE_OK; + + return status; } static inline void ppi_assign_params(union acpi_object params[4], @@ -169,7 +172,7 @@ static ssize_t tpm_store_ppi_request(struct device *dev, * is updated with function index from SUBREQ to SUBREQ2 since PPI * version 1.1 */ - if (strcmp(version, "1.1") == -1) + if (strcmp(version, "1.1") < 0) params[2].integer.value = TPM_PPI_FN_SUBREQ; else params[2].integer.value = TPM_PPI_FN_SUBREQ2; @@ -179,7 +182,7 @@ static ssize_t tpm_store_ppi_request(struct device *dev, * string/package type. For PPI version 1.0 and 1.1, use buffer type * for compatibility, and use package type since 1.2 according to spec. */ - if (strcmp(version, "1.2") == -1) { + if (strcmp(version, "1.2") < 0) { params[3].type = ACPI_TYPE_BUFFER; params[3].buffer.length = sizeof(req); sscanf(buf, "%d", &req); @@ -245,7 +248,7 @@ static ssize_t tpm_show_ppi_transition_action(struct device *dev, * (e.g. Capella with PPI 1.0) need integer/string/buffer type, so for * compatibility, define params[3].type as buffer, if PPI version < 1.2 */ - if (strcmp(version, "1.2") == -1) { + if (strcmp(version, "1.2") < 0) { params[3].type = ACPI_TYPE_BUFFER; params[3].buffer.length = 0; params[3].buffer.pointer = NULL; @@ -387,7 +390,7 @@ static ssize_t show_ppi_operations(char *buf, u32 start, u32 end) kfree(output.pointer); output.length = ACPI_ALLOCATE_BUFFER; output.pointer = NULL; - if (strcmp(version, "1.2") == -1) + if (strcmp(version, "1.2") < 0) return -EPERM; params[2].integer.value = TPM_PPI_FN_GETOPR; diff --git a/drivers/clk/clk-divider.c b/drivers/clk/clk-divider.c index 6d9674160430..2ce22447d76e 100644 --- a/drivers/clk/clk-divider.c +++ b/drivers/clk/clk-divider.c @@ -87,7 +87,7 @@ static unsigned int _get_table_val(const struct clk_div_table *table, return 0; } -static unsigned int _get_val(struct clk_divider *divider, u8 div) +static unsigned int _get_val(struct clk_divider *divider, unsigned int div) { if (divider->flags & CLK_DIVIDER_ONE_BASED) return div; diff --git a/drivers/clk/samsung/clk-exynos4.c b/drivers/clk/samsung/clk-exynos4.c index 3c1f88868f29..b4b283b47308 100644 --- a/drivers/clk/samsung/clk-exynos4.c +++ b/drivers/clk/samsung/clk-exynos4.c @@ -40,7 +40,7 @@ #define SRC_TOP1 0xc214 #define SRC_CAM 0xc220 #define SRC_TV 0xc224 -#define SRC_MFC 0xcc28 +#define SRC_MFC 0xc228 #define SRC_G3D 0xc22c #define E4210_SRC_IMAGE 0xc230 #define SRC_LCD0 0xc234 diff --git a/drivers/clk/samsung/clk-exynos5250.c b/drivers/clk/samsung/clk-exynos5250.c index 22d7699e7ced..92afc060673e 100644 --- a/drivers/clk/samsung/clk-exynos5250.c +++ b/drivers/clk/samsung/clk-exynos5250.c @@ -325,8 +325,8 @@ struct samsung_gate_clock exynos5250_gate_clks[] __initdata = { GATE(smmu_gscl2, "smmu_gscl2", "aclk266", GATE_IP_GSCL, 9, 0, 0), GATE(smmu_gscl3, "smmu_gscl3", "aclk266", GATE_IP_GSCL, 10, 0, 0), GATE(mfc, "mfc", "aclk333", GATE_IP_MFC, 0, 0, 0), - GATE(smmu_mfcl, "smmu_mfcl", "aclk333", GATE_IP_MFC, 1, 0, 0), - GATE(smmu_mfcr, "smmu_mfcr", "aclk333", GATE_IP_MFC, 2, 0, 0), + GATE(smmu_mfcl, "smmu_mfcl", "aclk333", GATE_IP_MFC, 2, 0, 0), + GATE(smmu_mfcr, "smmu_mfcr", "aclk333", GATE_IP_MFC, 1, 0, 0), GATE(rotator, "rotator", "aclk266", GATE_IP_GEN, 1, 0, 0), GATE(jpeg, "jpeg", "aclk166", GATE_IP_GEN, 2, 0, 0), GATE(mdma1, "mdma1", "aclk266", GATE_IP_GEN, 4, 0, 0), @@ -377,7 +377,8 @@ struct samsung_gate_clock exynos5250_gate_clks[] __initdata = { GATE(hsi2c2, "hsi2c2", "aclk66", GATE_IP_PERIC, 30, 0, 0), GATE(hsi2c3, "hsi2c3", "aclk66", GATE_IP_PERIC, 31, 0, 0), GATE(chipid, "chipid", "aclk66", GATE_IP_PERIS, 0, 0, 0), - GATE(sysreg, "sysreg", "aclk66", GATE_IP_PERIS, 1, 0, 0), + GATE(sysreg, "sysreg", "aclk66", + GATE_IP_PERIS, 1, CLK_IGNORE_UNUSED, 0), GATE(pmu, "pmu", "aclk66", GATE_IP_PERIS, 2, CLK_IGNORE_UNUSED, 0), GATE(tzpc0, "tzpc0", "aclk66", GATE_IP_PERIS, 6, 0, 0), GATE(tzpc1, "tzpc1", "aclk66", GATE_IP_PERIS, 7, 0, 0), diff --git a/drivers/clocksource/arm_arch_timer.c b/drivers/clocksource/arm_arch_timer.c index 09fe4831e34d..044892e1ca74 100644 --- a/drivers/clocksource/arm_arch_timer.c +++ b/drivers/clocksource/arm_arch_timer.c @@ -188,27 +188,19 @@ u32 arch_timer_get_rate(void) return arch_timer_rate; } -/* - * Some external users of arch_timer_read_counter (e.g. sched_clock) may try to - * call it before it has been initialised. Rather than incur a performance - * penalty checking for initialisation, provide a default implementation that - * won't lead to time appearing to jump backwards. - */ -static u64 arch_timer_read_zero(void) +u64 arch_timer_read_counter(void) { - return 0; + return arch_counter_get_cntvct(); } -u64 (*arch_timer_read_counter)(void) = arch_timer_read_zero; - static cycle_t arch_counter_read(struct clocksource *cs) { - return arch_timer_read_counter(); + return arch_counter_get_cntvct(); } static cycle_t arch_counter_read_cc(const struct cyclecounter *cc) { - return arch_timer_read_counter(); + return arch_counter_get_cntvct(); } static struct clocksource clocksource_counter = { @@ -381,11 +373,6 @@ static void __init arch_timer_init(struct device_node *np) } } - if (arch_timer_use_virtual) - arch_timer_read_counter = arch_counter_get_cntvct; - else - arch_timer_read_counter = arch_counter_get_cntpct; - arch_timer_register(); arch_timer_arch_init(); } diff --git a/drivers/clocksource/dw_apb_timer_of.c b/drivers/clocksource/dw_apb_timer_of.c index 6b25a956218f..1038ec88e568 100644 --- a/drivers/clocksource/dw_apb_timer_of.c +++ b/drivers/clocksource/dw_apb_timer_of.c @@ -77,7 +77,7 @@ static void __iomem *sched_io_base; static u32 read_sched_clock(void) { - return __raw_readl(sched_io_base); + return ~__raw_readl(sched_io_base); } static const struct of_device_id sptimer_ids[] __initconst = { diff --git a/drivers/clocksource/em_sti.c b/drivers/clocksource/em_sti.c index 4329a29a5310..314184932293 100644 --- a/drivers/clocksource/em_sti.c +++ b/drivers/clocksource/em_sti.c @@ -301,7 +301,7 @@ static void em_sti_register_clockevent(struct em_sti_priv *p) ced->name = dev_name(&p->pdev->dev); ced->features = CLOCK_EVT_FEAT_ONESHOT; ced->rating = 200; - ced->cpumask = cpumask_of(0); + ced->cpumask = cpu_possible_mask; ced->set_next_event = em_sti_clock_event_next; ced->set_mode = em_sti_clock_event_mode; diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c index 9520e3b90bde..34d19b1984a1 100644 --- a/drivers/cpufreq/intel_pstate.c +++ b/drivers/cpufreq/intel_pstate.c @@ -48,7 +48,7 @@ static inline int32_t div_fp(int32_t x, int32_t y) } struct sample { - int core_pct_busy; + int32_t core_pct_busy; u64 aperf; u64 mperf; int freq; @@ -68,7 +68,7 @@ struct _pid { int32_t i_gain; int32_t d_gain; int deadband; - int last_err; + int32_t last_err; }; struct cpudata { @@ -153,16 +153,15 @@ static inline void pid_d_gain_set(struct _pid *pid, int percent) pid->d_gain = div_fp(int_tofp(percent), int_tofp(100)); } -static signed int pid_calc(struct _pid *pid, int busy) +static signed int pid_calc(struct _pid *pid, int32_t busy) { - signed int err, result; + signed int result; int32_t pterm, dterm, fp_error; int32_t integral_limit; - err = pid->setpoint - busy; - fp_error = int_tofp(err); + fp_error = int_tofp(pid->setpoint) - busy; - if (abs(err) <= pid->deadband) + if (abs(fp_error) <= int_tofp(pid->deadband)) return 0; pterm = mul_fp(pid->p_gain, fp_error); @@ -176,8 +175,8 @@ static signed int pid_calc(struct _pid *pid, int busy) if (pid->integral < -integral_limit) pid->integral = -integral_limit; - dterm = mul_fp(pid->d_gain, (err - pid->last_err)); - pid->last_err = err; + dterm = mul_fp(pid->d_gain, fp_error - pid->last_err); + pid->last_err = fp_error; result = pterm + mul_fp(pid->integral, pid->i_gain) + dterm; @@ -367,12 +366,13 @@ static int intel_pstate_turbo_pstate(void) static void intel_pstate_get_min_max(struct cpudata *cpu, int *min, int *max) { int max_perf = cpu->pstate.turbo_pstate; + int max_perf_adj; int min_perf; if (limits.no_turbo) max_perf = cpu->pstate.max_pstate; - max_perf = fp_toint(mul_fp(int_tofp(max_perf), limits.max_perf)); - *max = clamp_t(int, max_perf, + max_perf_adj = fp_toint(mul_fp(int_tofp(max_perf), limits.max_perf)); + *max = clamp_t(int, max_perf_adj, cpu->pstate.min_pstate, cpu->pstate.turbo_pstate); min_perf = fp_toint(mul_fp(int_tofp(max_perf), limits.min_perf)); @@ -394,7 +394,10 @@ static void intel_pstate_set_pstate(struct cpudata *cpu, int pstate) trace_cpu_frequency(pstate * 100000, cpu->cpu); cpu->pstate.current_pstate = pstate; - wrmsrl(MSR_IA32_PERF_CTL, pstate << 8); + if (limits.no_turbo) + wrmsrl(MSR_IA32_PERF_CTL, BIT(32) | (pstate << 8)); + else + wrmsrl(MSR_IA32_PERF_CTL, pstate << 8); } @@ -432,8 +435,9 @@ static inline void intel_pstate_calc_busy(struct cpudata *cpu, struct sample *sample) { u64 core_pct; - core_pct = div64_u64(sample->aperf * 100, sample->mperf); - sample->freq = cpu->pstate.max_pstate * core_pct * 1000; + core_pct = div64_u64(int_tofp(sample->aperf * 100), + sample->mperf); + sample->freq = fp_toint(cpu->pstate.max_pstate * core_pct * 1000); sample->core_pct_busy = core_pct; } @@ -465,22 +469,19 @@ static inline void intel_pstate_set_sample_time(struct cpudata *cpu) mod_timer_pinned(&cpu->timer, jiffies + delay); } -static inline int intel_pstate_get_scaled_busy(struct cpudata *cpu) +static inline int32_t intel_pstate_get_scaled_busy(struct cpudata *cpu) { - int32_t busy_scaled; int32_t core_busy, max_pstate, current_pstate; - core_busy = int_tofp(cpu->samples[cpu->sample_ptr].core_pct_busy); + core_busy = cpu->samples[cpu->sample_ptr].core_pct_busy; max_pstate = int_tofp(cpu->pstate.max_pstate); current_pstate = int_tofp(cpu->pstate.current_pstate); - busy_scaled = mul_fp(core_busy, div_fp(max_pstate, current_pstate)); - - return fp_toint(busy_scaled); + return mul_fp(core_busy, div_fp(max_pstate, current_pstate)); } static inline void intel_pstate_adjust_busy_pstate(struct cpudata *cpu) { - int busy_scaled; + int32_t busy_scaled; struct _pid *pid; signed int ctl = 0; int steps; @@ -516,12 +517,18 @@ static void intel_pstate_timer_func(unsigned long __data) } #define ICPU(model, policy) \ - { X86_VENDOR_INTEL, 6, model, X86_FEATURE_ANY, (unsigned long)&policy } + { X86_VENDOR_INTEL, 6, model, X86_FEATURE_APERFMPERF,\ + (unsigned long)&policy } static const struct x86_cpu_id intel_pstate_cpu_ids[] = { ICPU(0x2a, default_policy), ICPU(0x2d, default_policy), ICPU(0x3a, default_policy), + ICPU(0x3c, default_policy), + ICPU(0x3e, default_policy), + ICPU(0x3f, default_policy), + ICPU(0x45, default_policy), + ICPU(0x46, default_policy), {} }; MODULE_DEVICE_TABLE(x86cpu, intel_pstate_cpu_ids); @@ -543,6 +550,11 @@ static int intel_pstate_init_cpu(unsigned int cpunum) cpu = all_cpu_data[cpunum]; intel_pstate_get_cpu_pstates(cpu); + if (!cpu->pstate.current_pstate) { + all_cpu_data[cpunum] = NULL; + kfree(cpu); + return -ENODATA; + } cpu->cpu = cpunum; cpu->pstate_policy = diff --git a/drivers/cpufreq/powernow-k8.c b/drivers/cpufreq/powernow-k8.c index b75521dc3ff8..e69d1e08ce4c 100644 --- a/drivers/cpufreq/powernow-k8.c +++ b/drivers/cpufreq/powernow-k8.c @@ -1102,7 +1102,7 @@ static int __cpuinit powernowk8_cpu_init(struct cpufreq_policy *pol) { struct powernow_k8_data *data; struct init_on_cpu init_on_cpu; - int rc; + int rc, cpu; smp_call_function_single(pol->cpu, check_supported_cpu, &rc, 1); if (rc) @@ -1171,7 +1171,9 @@ static int __cpuinit powernowk8_cpu_init(struct cpufreq_policy *pol) pr_debug("cpu_init done, current fid 0x%x, vid 0x%x\n", data->currfid, data->currvid); - per_cpu(powernow_data, pol->cpu) = data; + /* Point all the CPUs in this policy to the same data */ + for_each_cpu(cpu, pol->cpus) + per_cpu(powernow_data, cpu) = data; return 0; @@ -1186,6 +1188,7 @@ err_out: static int powernowk8_cpu_exit(struct cpufreq_policy *pol) { struct powernow_k8_data *data = per_cpu(powernow_data, pol->cpu); + int cpu; if (!data) return -EINVAL; @@ -1196,7 +1199,8 @@ static int powernowk8_cpu_exit(struct cpufreq_policy *pol) kfree(data->powernow_table); kfree(data); - per_cpu(powernow_data, pol->cpu) = NULL; + for_each_cpu(cpu, pol->cpus) + per_cpu(powernow_data, cpu) = NULL; return 0; } diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig index e9924898043a..0ba5a95199d3 100644 --- a/drivers/dma/Kconfig +++ b/drivers/dma/Kconfig @@ -333,6 +333,7 @@ config NET_DMA bool "Network: TCP receive copy offload" depends on DMA_ENGINE && NET default (INTEL_IOATDMA || FSL_DMA) + depends on BROKEN help This enables the use of DMA engines in the network stack to offload receive copy-to-user operations, freeing CPU cycles. diff --git a/drivers/dma/ioat/dma.c b/drivers/dma/ioat/dma.c index 17a2393b3e25..533e1874e1d6 100644 --- a/drivers/dma/ioat/dma.c +++ b/drivers/dma/ioat/dma.c @@ -77,7 +77,8 @@ static irqreturn_t ioat_dma_do_interrupt(int irq, void *data) attnstatus = readl(instance->reg_base + IOAT_ATTNSTATUS_OFFSET); for_each_set_bit(bit, &attnstatus, BITS_PER_LONG) { chan = ioat_chan_by_index(instance, bit); - tasklet_schedule(&chan->cleanup_task); + if (test_bit(IOAT_RUN, &chan->state)) + tasklet_schedule(&chan->cleanup_task); } writeb(intrctrl, instance->reg_base + IOAT_INTRCTRL_OFFSET); @@ -93,7 +94,8 @@ static irqreturn_t ioat_dma_do_interrupt_msix(int irq, void *data) { struct ioat_chan_common *chan = data; - tasklet_schedule(&chan->cleanup_task); + if (test_bit(IOAT_RUN, &chan->state)) + tasklet_schedule(&chan->cleanup_task); return IRQ_HANDLED; } @@ -116,7 +118,6 @@ void ioat_init_channel(struct ioatdma_device *device, struct ioat_chan_common *c chan->timer.function = device->timer_fn; chan->timer.data = data; tasklet_init(&chan->cleanup_task, device->cleanup_fn, data); - tasklet_disable(&chan->cleanup_task); } /** @@ -354,13 +355,49 @@ static int ioat1_dma_alloc_chan_resources(struct dma_chan *c) writel(((u64) chan->completion_dma) >> 32, chan->reg_base + IOAT_CHANCMP_OFFSET_HIGH); - tasklet_enable(&chan->cleanup_task); + set_bit(IOAT_RUN, &chan->state); ioat1_dma_start_null_desc(ioat); /* give chain to dma device */ dev_dbg(to_dev(chan), "%s: allocated %d descriptors\n", __func__, ioat->desccount); return ioat->desccount; } +void ioat_stop(struct ioat_chan_common *chan) +{ + struct ioatdma_device *device = chan->device; + struct pci_dev *pdev = device->pdev; + int chan_id = chan_num(chan); + struct msix_entry *msix; + + /* 1/ stop irq from firing tasklets + * 2/ stop the tasklet from re-arming irqs + */ + clear_bit(IOAT_RUN, &chan->state); + + /* flush inflight interrupts */ + switch (device->irq_mode) { + case IOAT_MSIX: + msix = &device->msix_entries[chan_id]; + synchronize_irq(msix->vector); + break; + case IOAT_MSI: + case IOAT_INTX: + synchronize_irq(pdev->irq); + break; + default: + break; + } + + /* flush inflight timers */ + del_timer_sync(&chan->timer); + + /* flush inflight tasklet runs */ + tasklet_kill(&chan->cleanup_task); + + /* final cleanup now that everything is quiesced and can't re-arm */ + device->cleanup_fn((unsigned long) &chan->common); +} + /** * ioat1_dma_free_chan_resources - release all the descriptors * @chan: the channel to be cleaned @@ -379,9 +416,7 @@ static void ioat1_dma_free_chan_resources(struct dma_chan *c) if (ioat->desccount == 0) return; - tasklet_disable(&chan->cleanup_task); - del_timer_sync(&chan->timer); - ioat1_cleanup(ioat); + ioat_stop(chan); /* Delay 100ms after reset to allow internal DMA logic to quiesce * before removing DMA descriptor resources. @@ -526,8 +561,11 @@ ioat1_dma_prep_memcpy(struct dma_chan *c, dma_addr_t dma_dest, static void ioat1_cleanup_event(unsigned long data) { struct ioat_dma_chan *ioat = to_ioat_chan((void *) data); + struct ioat_chan_common *chan = &ioat->base; ioat1_cleanup(ioat); + if (!test_bit(IOAT_RUN, &chan->state)) + return; writew(IOAT_CHANCTRL_RUN, ioat->base.reg_base + IOAT_CHANCTRL_OFFSET); } diff --git a/drivers/dma/ioat/dma.h b/drivers/dma/ioat/dma.h index 54fb7b9ff9aa..a1d78847e5a5 100644 --- a/drivers/dma/ioat/dma.h +++ b/drivers/dma/ioat/dma.h @@ -370,6 +370,7 @@ bool ioat_cleanup_preamble(struct ioat_chan_common *chan, void ioat_kobject_add(struct ioatdma_device *device, struct kobj_type *type); void ioat_kobject_del(struct ioatdma_device *device); int ioat_dma_setup_interrupts(struct ioatdma_device *device); +void ioat_stop(struct ioat_chan_common *chan); extern const struct sysfs_ops ioat_sysfs_ops; extern struct ioat_sysfs_entry ioat_version_attr; extern struct ioat_sysfs_entry ioat_cap_attr; diff --git a/drivers/dma/ioat/dma_v2.c b/drivers/dma/ioat/dma_v2.c index b925e1b1d139..1cd761026d84 100644 --- a/drivers/dma/ioat/dma_v2.c +++ b/drivers/dma/ioat/dma_v2.c @@ -190,8 +190,11 @@ static void ioat2_cleanup(struct ioat2_dma_chan *ioat) void ioat2_cleanup_event(unsigned long data) { struct ioat2_dma_chan *ioat = to_ioat2_chan((void *) data); + struct ioat_chan_common *chan = &ioat->base; ioat2_cleanup(ioat); + if (!test_bit(IOAT_RUN, &chan->state)) + return; writew(IOAT_CHANCTRL_RUN, ioat->base.reg_base + IOAT_CHANCTRL_OFFSET); } @@ -553,10 +556,10 @@ int ioat2_alloc_chan_resources(struct dma_chan *c) ioat->issued = 0; ioat->tail = 0; ioat->alloc_order = order; + set_bit(IOAT_RUN, &chan->state); spin_unlock_bh(&ioat->prep_lock); spin_unlock_bh(&chan->cleanup_lock); - tasklet_enable(&chan->cleanup_task); ioat2_start_null_desc(ioat); /* check that we got off the ground */ @@ -566,7 +569,6 @@ int ioat2_alloc_chan_resources(struct dma_chan *c) } while (i++ < 20 && !is_ioat_active(status) && !is_ioat_idle(status)); if (is_ioat_active(status) || is_ioat_idle(status)) { - set_bit(IOAT_RUN, &chan->state); return 1 << ioat->alloc_order; } else { u32 chanerr = readl(chan->reg_base + IOAT_CHANERR_OFFSET); @@ -809,11 +811,8 @@ void ioat2_free_chan_resources(struct dma_chan *c) if (!ioat->ring) return; - tasklet_disable(&chan->cleanup_task); - del_timer_sync(&chan->timer); - device->cleanup_fn((unsigned long) c); + ioat_stop(chan); device->reset_hw(chan); - clear_bit(IOAT_RUN, &chan->state); spin_lock_bh(&chan->cleanup_lock); spin_lock_bh(&ioat->prep_lock); diff --git a/drivers/dma/ioat/dma_v3.c b/drivers/dma/ioat/dma_v3.c index fa43a42ccc86..38b94b393c6c 100644 --- a/drivers/dma/ioat/dma_v3.c +++ b/drivers/dma/ioat/dma_v3.c @@ -635,8 +635,11 @@ static void ioat3_cleanup(struct ioat2_dma_chan *ioat) static void ioat3_cleanup_event(unsigned long data) { struct ioat2_dma_chan *ioat = to_ioat2_chan((void *) data); + struct ioat_chan_common *chan = &ioat->base; ioat3_cleanup(ioat); + if (!test_bit(IOAT_RUN, &chan->state)) + return; writew(IOAT_CHANCTRL_RUN, ioat->base.reg_base + IOAT_CHANCTRL_OFFSET); } diff --git a/drivers/dma/ste_dma40.c b/drivers/dma/ste_dma40.c index 71bf4ec300ea..ca78044df4b5 100644 --- a/drivers/dma/ste_dma40.c +++ b/drivers/dma/ste_dma40.c @@ -1587,6 +1587,7 @@ static void dma_tasklet(unsigned long data) struct d40_chan *d40c = (struct d40_chan *) data; struct d40_desc *d40d; unsigned long flags; + bool callback_active; dma_async_tx_callback callback; void *callback_param; @@ -1614,6 +1615,7 @@ static void dma_tasklet(unsigned long data) } /* Callback to client */ + callback_active = !!(d40d->txd.flags & DMA_PREP_INTERRUPT); callback = d40d->txd.callback; callback_param = d40d->txd.callback_param; @@ -1636,7 +1638,7 @@ static void dma_tasklet(unsigned long data) spin_unlock_irqrestore(&d40c->lock, flags); - if (callback && (d40d->txd.flags & DMA_PREP_INTERRUPT)) + if (callback_active && callback) callback(callback_param); return; diff --git a/drivers/edac/e752x_edac.c b/drivers/edac/e752x_edac.c index 644fec54681f..f1e9d7bd131f 100644 --- a/drivers/edac/e752x_edac.c +++ b/drivers/edac/e752x_edac.c @@ -1182,9 +1182,11 @@ static int e752x_get_devs(struct pci_dev *pdev, int dev_idx, pvt->bridge_ck = pci_get_device(PCI_VENDOR_ID_INTEL, pvt->dev_info->err_dev, pvt->bridge_ck); - if (pvt->bridge_ck == NULL) + if (pvt->bridge_ck == NULL) { pvt->bridge_ck = pci_scan_single_device(pdev->bus, PCI_DEVFN(0, 1)); + pci_dev_get(pvt->bridge_ck); + } if (pvt->bridge_ck == NULL) { e752x_printk(KERN_ERR, "error reporting device not found:" diff --git a/drivers/edac/edac_mc.c b/drivers/edac/edac_mc.c index 89e109022d78..a9d98cdd11f4 100644 --- a/drivers/edac/edac_mc.c +++ b/drivers/edac/edac_mc.c @@ -559,7 +559,8 @@ static void edac_mc_workq_function(struct work_struct *work_req) * * called with the mem_ctls_mutex held */ -static void edac_mc_workq_setup(struct mem_ctl_info *mci, unsigned msec) +static void edac_mc_workq_setup(struct mem_ctl_info *mci, unsigned msec, + bool init) { edac_dbg(0, "\n"); @@ -567,7 +568,9 @@ static void edac_mc_workq_setup(struct mem_ctl_info *mci, unsigned msec) if (mci->op_state != OP_RUNNING_POLL) return; - INIT_DELAYED_WORK(&mci->work, edac_mc_workq_function); + if (init) + INIT_DELAYED_WORK(&mci->work, edac_mc_workq_function); + mod_delayed_work(edac_workqueue, &mci->work, msecs_to_jiffies(msec)); } @@ -601,7 +604,7 @@ static void edac_mc_workq_teardown(struct mem_ctl_info *mci) * user space has updated our poll period value, need to * reset our workq delays */ -void edac_mc_reset_delay_period(int value) +void edac_mc_reset_delay_period(unsigned long value) { struct mem_ctl_info *mci; struct list_head *item; @@ -611,7 +614,7 @@ void edac_mc_reset_delay_period(int value) list_for_each(item, &mc_devices) { mci = list_entry(item, struct mem_ctl_info, link); - edac_mc_workq_setup(mci, (unsigned long) value); + edac_mc_workq_setup(mci, value, false); } mutex_unlock(&mem_ctls_mutex); @@ -782,7 +785,7 @@ int edac_mc_add_mc(struct mem_ctl_info *mci) /* This instance is NOW RUNNING */ mci->op_state = OP_RUNNING_POLL; - edac_mc_workq_setup(mci, edac_mc_get_poll_msec()); + edac_mc_workq_setup(mci, edac_mc_get_poll_msec(), true); } else { mci->op_state = OP_RUNNING_INTERRUPT; } diff --git a/drivers/edac/edac_mc_sysfs.c b/drivers/edac/edac_mc_sysfs.c index c4d700a577d2..88cd940ece63 100644 --- a/drivers/edac/edac_mc_sysfs.c +++ b/drivers/edac/edac_mc_sysfs.c @@ -52,16 +52,20 @@ int edac_mc_get_poll_msec(void) static int edac_set_poll_msec(const char *val, struct kernel_param *kp) { - long l; + unsigned long l; int ret; if (!val) return -EINVAL; - ret = strict_strtol(val, 0, &l); - if (ret == -EINVAL || ((int)l != l)) + ret = kstrtoul(val, 0, &l); + if (ret) + return ret; + + if (l < 1000) return -EINVAL; - *((int *)kp->arg) = l; + + *((unsigned long *)kp->arg) = l; /* notify edac_mc engine to reset the poll period */ edac_mc_reset_delay_period(l); diff --git a/drivers/edac/edac_module.h b/drivers/edac/edac_module.h index 3d139c6e7fe3..f2118bfcf8df 100644 --- a/drivers/edac/edac_module.h +++ b/drivers/edac/edac_module.h @@ -52,7 +52,7 @@ extern void edac_device_workq_setup(struct edac_device_ctl_info *edac_dev, extern void edac_device_workq_teardown(struct edac_device_ctl_info *edac_dev); extern void edac_device_reset_delay_period(struct edac_device_ctl_info *edac_dev, unsigned long value); -extern void edac_mc_reset_delay_period(int value); +extern void edac_mc_reset_delay_period(unsigned long value); extern void *edac_align_ptr(void **p, unsigned size, int n_elems); diff --git a/drivers/edac/i7300_edac.c b/drivers/edac/i7300_edac.c index 9004c64b169e..841eee387478 100644 --- a/drivers/edac/i7300_edac.c +++ b/drivers/edac/i7300_edac.c @@ -943,33 +943,35 @@ static int i7300_get_devices(struct mem_ctl_info *mci) /* Attempt to 'get' the MCH register we want */ pdev = NULL; - while (!pvt->pci_dev_16_1_fsb_addr_map || - !pvt->pci_dev_16_2_fsb_err_regs) { - pdev = pci_get_device(PCI_VENDOR_ID_INTEL, - PCI_DEVICE_ID_INTEL_I7300_MCH_ERR, pdev); - if (!pdev) { - /* End of list, leave */ - i7300_printk(KERN_ERR, - "'system address,Process Bus' " - "device not found:" - "vendor 0x%x device 0x%x ERR funcs " - "(broken BIOS?)\n", - PCI_VENDOR_ID_INTEL, - PCI_DEVICE_ID_INTEL_I7300_MCH_ERR); - goto error; - } - + while ((pdev = pci_get_device(PCI_VENDOR_ID_INTEL, + PCI_DEVICE_ID_INTEL_I7300_MCH_ERR, + pdev))) { /* Store device 16 funcs 1 and 2 */ switch (PCI_FUNC(pdev->devfn)) { case 1: - pvt->pci_dev_16_1_fsb_addr_map = pdev; + if (!pvt->pci_dev_16_1_fsb_addr_map) + pvt->pci_dev_16_1_fsb_addr_map = + pci_dev_get(pdev); break; case 2: - pvt->pci_dev_16_2_fsb_err_regs = pdev; + if (!pvt->pci_dev_16_2_fsb_err_regs) + pvt->pci_dev_16_2_fsb_err_regs = + pci_dev_get(pdev); break; } } + if (!pvt->pci_dev_16_1_fsb_addr_map || + !pvt->pci_dev_16_2_fsb_err_regs) { + /* At least one device was not found */ + i7300_printk(KERN_ERR, + "'system address,Process Bus' device not found:" + "vendor 0x%x device 0x%x ERR funcs (broken BIOS?)\n", + PCI_VENDOR_ID_INTEL, + PCI_DEVICE_ID_INTEL_I7300_MCH_ERR); + goto error; + } + edac_dbg(1, "System Address, processor bus- PCI Bus ID: %s %x:%x\n", pci_name(pvt->pci_dev_16_0_fsb_ctlr), pvt->pci_dev_16_0_fsb_ctlr->vendor, diff --git a/drivers/edac/i7core_edac.c b/drivers/edac/i7core_edac.c index 0ec3e95a12cd..271818a5a33a 100644 --- a/drivers/edac/i7core_edac.c +++ b/drivers/edac/i7core_edac.c @@ -1334,14 +1334,19 @@ static int i7core_get_onedevice(struct pci_dev **prev, * is at addr 8086:2c40, instead of 8086:2c41. So, we need * to probe for the alternate address in case of failure */ - if (dev_descr->dev_id == PCI_DEVICE_ID_INTEL_I7_NONCORE && !pdev) + if (dev_descr->dev_id == PCI_DEVICE_ID_INTEL_I7_NONCORE && !pdev) { + pci_dev_get(*prev); /* pci_get_device will put it */ pdev = pci_get_device(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_I7_NONCORE_ALT, *prev); + } - if (dev_descr->dev_id == PCI_DEVICE_ID_INTEL_LYNNFIELD_NONCORE && !pdev) + if (dev_descr->dev_id == PCI_DEVICE_ID_INTEL_LYNNFIELD_NONCORE && + !pdev) { + pci_dev_get(*prev); /* pci_get_device will put it */ pdev = pci_get_device(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_LYNNFIELD_NONCORE_ALT, *prev); + } if (!pdev) { if (*prev) { diff --git a/drivers/eisa/eisa-bus.c b/drivers/eisa/eisa-bus.c index 272a3ec35957..0314dde18a5d 100644 --- a/drivers/eisa/eisa-bus.c +++ b/drivers/eisa/eisa-bus.c @@ -275,11 +275,13 @@ static int __init eisa_request_resources(struct eisa_root_device *root, } if (slot) { + edev->res[i].name = NULL; edev->res[i].start = SLOT_ADDRESS(root, slot) + (i * 0x400); edev->res[i].end = edev->res[i].start + 0xff; edev->res[i].flags = IORESOURCE_IO; } else { + edev->res[i].name = NULL; edev->res[i].start = SLOT_ADDRESS(root, slot) + EISA_VENDOR_ID_OFFSET; edev->res[i].end = edev->res[i].start + 3; @@ -326,19 +328,20 @@ static int __init eisa_probe(struct eisa_root_device *root) return -ENOMEM; } - if (eisa_init_device(root, edev, 0)) { + if (eisa_request_resources(root, edev, 0)) { + dev_warn(root->dev, + "EISA: Cannot allocate resource for mainboard\n"); kfree(edev); if (!root->force_probe) - return -ENODEV; + return -EBUSY; goto force_probe; } - if (eisa_request_resources(root, edev, 0)) { - dev_warn(root->dev, - "EISA: Cannot allocate resource for mainboard\n"); + if (eisa_init_device(root, edev, 0)) { + eisa_release_resources(edev); kfree(edev); if (!root->force_probe) - return -EBUSY; + return -ENODEV; goto force_probe; } @@ -361,11 +364,6 @@ static int __init eisa_probe(struct eisa_root_device *root) continue; } - if (eisa_init_device(root, edev, i)) { - kfree(edev); - continue; - } - if (eisa_request_resources(root, edev, i)) { dev_warn(root->dev, "Cannot allocate resource for EISA slot %d\n", @@ -374,6 +372,12 @@ static int __init eisa_probe(struct eisa_root_device *root) continue; } + if (eisa_init_device(root, edev, i)) { + eisa_release_resources(edev); + kfree(edev); + continue; + } + if (edev->state == (EISA_CONFIG_ENABLED | EISA_CONFIG_FORCED)) enabled_str = " (forced enabled)"; else if (edev->state == EISA_CONFIG_FORCED) diff --git a/drivers/firewire/sbp2.c b/drivers/firewire/sbp2.c index c8e3b2c48369..47674b913843 100644 --- a/drivers/firewire/sbp2.c +++ b/drivers/firewire/sbp2.c @@ -1626,7 +1626,6 @@ static struct scsi_host_template scsi_driver_template = { .cmd_per_lun = 1, .can_queue = 1, .sdev_attrs = sbp2_scsi_sysfs_attrs, - .no_write_same = 1, }; MODULE_AUTHOR("Kristian Hoegsberg <krh@bitplanet.net>"); diff --git a/drivers/gpio/gpio-msm-v2.c b/drivers/gpio/gpio-msm-v2.c index dd2eddeb1e0c..500c4d19322b 100644 --- a/drivers/gpio/gpio-msm-v2.c +++ b/drivers/gpio/gpio-msm-v2.c @@ -248,7 +248,7 @@ static void msm_gpio_irq_mask(struct irq_data *d) spin_lock_irqsave(&tlmm_lock, irq_flags); writel(TARGET_PROC_NONE, GPIO_INTR_CFG_SU(gpio)); - clear_gpio_bits(INTR_RAW_STATUS_EN | INTR_ENABLE, GPIO_INTR_CFG(gpio)); + clear_gpio_bits(BIT(INTR_RAW_STATUS_EN) | BIT(INTR_ENABLE), GPIO_INTR_CFG(gpio)); __clear_bit(gpio, msm_gpio.enabled_irqs); spin_unlock_irqrestore(&tlmm_lock, irq_flags); } @@ -260,7 +260,7 @@ static void msm_gpio_irq_unmask(struct irq_data *d) spin_lock_irqsave(&tlmm_lock, irq_flags); __set_bit(gpio, msm_gpio.enabled_irqs); - set_gpio_bits(INTR_RAW_STATUS_EN | INTR_ENABLE, GPIO_INTR_CFG(gpio)); + set_gpio_bits(BIT(INTR_RAW_STATUS_EN) | BIT(INTR_ENABLE), GPIO_INTR_CFG(gpio)); writel(TARGET_PROC_SCORPION, GPIO_INTR_CFG_SU(gpio)); spin_unlock_irqrestore(&tlmm_lock, irq_flags); } diff --git a/drivers/gpio/gpio-rcar.c b/drivers/gpio/gpio-rcar.c index c45ad478f462..f3c5d39f138e 100644 --- a/drivers/gpio/gpio-rcar.c +++ b/drivers/gpio/gpio-rcar.c @@ -333,7 +333,7 @@ static int gpio_rcar_probe(struct platform_device *pdev) } if (devm_request_irq(&pdev->dev, irq->start, - gpio_rcar_irq_handler, 0, name, p)) { + gpio_rcar_irq_handler, IRQF_SHARED, name, p)) { dev_err(&pdev->dev, "failed to request IRQ\n"); ret = -ENOENT; goto err1; diff --git a/drivers/gpio/gpio-twl4030.c b/drivers/gpio/gpio-twl4030.c index ed1d10ae1999..28d987661146 100644 --- a/drivers/gpio/gpio-twl4030.c +++ b/drivers/gpio/gpio-twl4030.c @@ -300,7 +300,7 @@ static int twl_direction_in(struct gpio_chip *chip, unsigned offset) if (offset < TWL4030_GPIO_MAX) ret = twl4030_set_gpio_direction(offset, 1); else - ret = -EINVAL; + ret = -EINVAL; /* LED outputs can't be set as input */ if (!ret) priv->direction &= ~BIT(offset); @@ -354,11 +354,20 @@ static void twl_set(struct gpio_chip *chip, unsigned offset, int value) static int twl_direction_out(struct gpio_chip *chip, unsigned offset, int value) { struct gpio_twl4030_priv *priv = to_gpio_twl4030(chip); - int ret = -EINVAL; + int ret = 0; mutex_lock(&priv->mutex); - if (offset < TWL4030_GPIO_MAX) + if (offset < TWL4030_GPIO_MAX) { ret = twl4030_set_gpio_direction(offset, 0); + if (ret) { + mutex_unlock(&priv->mutex); + return ret; + } + } + + /* + * LED gpios i.e. offset >= TWL4030_GPIO_MAX are always output + */ priv->direction |= BIT(offset); mutex_unlock(&priv->mutex); diff --git a/drivers/gpu/drm/cirrus/cirrus_mode.c b/drivers/gpu/drm/cirrus/cirrus_mode.c index 60685b21cc36..379a47ea99f6 100644 --- a/drivers/gpu/drm/cirrus/cirrus_mode.c +++ b/drivers/gpu/drm/cirrus/cirrus_mode.c @@ -273,8 +273,8 @@ static int cirrus_crtc_mode_set(struct drm_crtc *crtc, sr07 |= 0x11; break; case 16: - sr07 |= 0xc1; - hdr = 0xc0; + sr07 |= 0x17; + hdr = 0xc1; break; case 24: sr07 |= 0x15; diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c index 0cb9b5d8e30a..83f0ba5859c0 100644 --- a/drivers/gpu/drm/drm_edid.c +++ b/drivers/gpu/drm/drm_edid.c @@ -68,6 +68,8 @@ #define EDID_QUIRK_DETAILED_SYNC_PP (1 << 6) /* Force reduced-blanking timings for detailed modes */ #define EDID_QUIRK_FORCE_REDUCED_BLANKING (1 << 7) +/* Force 8bpc */ +#define EDID_QUIRK_FORCE_8BPC (1 << 8) struct detailed_mode_closure { struct drm_connector *connector; @@ -128,6 +130,9 @@ static struct edid_quirk { /* Medion MD 30217 PG */ { "MED", 0x7b8, EDID_QUIRK_PREFER_LARGE_75 }, + + /* Panel in Samsung NP700G7A-S01PL notebook reports 6bpc */ + { "SEC", 0xd033, EDID_QUIRK_FORCE_8BPC }, }; /* @@ -2955,6 +2960,9 @@ int drm_add_edid_modes(struct drm_connector *connector, struct edid *edid) drm_add_display_info(edid, &connector->display_info); + if (quirks & EDID_QUIRK_FORCE_8BPC) + connector->display_info.bpc = 8; + return num_modes; } EXPORT_SYMBOL(drm_add_edid_modes); diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c index 17d9b0b6afc5..ccfc63665e76 100644 --- a/drivers/gpu/drm/i915/i915_dma.c +++ b/drivers/gpu/drm/i915/i915_dma.c @@ -84,6 +84,14 @@ void i915_update_dri1_breadcrumb(struct drm_device *dev) drm_i915_private_t *dev_priv = dev->dev_private; struct drm_i915_master_private *master_priv; + /* + * The dri breadcrumb update races against the drm master disappearing. + * Instead of trying to fix this (this is by far not the only ums issue) + * just don't do the update in kms mode. + */ + if (drm_core_check_feature(dev, DRIVER_MODESET)) + return; + if (dev->primary->master) { master_priv = dev->primary->master->driver_priv; if (master_priv->sarea_priv) @@ -1679,6 +1687,7 @@ out_gem_unload: intel_teardown_gmbus(dev); intel_teardown_mchbar(dev); + pm_qos_remove_request(&dev_priv->pm_qos); destroy_workqueue(dev_priv->wq); out_mtrrfree: if (dev_priv->mm.gtt_mtrr >= 0) { @@ -1847,8 +1856,10 @@ void i915_driver_lastclose(struct drm_device * dev) void i915_driver_preclose(struct drm_device * dev, struct drm_file *file_priv) { + mutex_lock(&dev->struct_mutex); i915_gem_context_close(dev, file_priv); i915_gem_release(dev, file_priv); + mutex_unlock(&dev->struct_mutex); } void i915_driver_postclose(struct drm_device *dev, struct drm_file *file) diff --git a/drivers/gpu/drm/i915/i915_gem_context.c b/drivers/gpu/drm/i915/i915_gem_context.c index 3bc8a58a8d5f..b10b1b1b4873 100644 --- a/drivers/gpu/drm/i915/i915_gem_context.c +++ b/drivers/gpu/drm/i915/i915_gem_context.c @@ -291,10 +291,8 @@ void i915_gem_context_close(struct drm_device *dev, struct drm_file *file) { struct drm_i915_file_private *file_priv = file->driver_priv; - mutex_lock(&dev->struct_mutex); idr_for_each(&file_priv->context_idr, context_idr_cleanup, NULL); idr_destroy(&file_priv->context_idr); - mutex_unlock(&dev->struct_mutex); } static struct i915_hw_context * diff --git a/drivers/gpu/drm/i915/i915_gem_stolen.c b/drivers/gpu/drm/i915/i915_gem_stolen.c index 130d1db27e28..fa2d15b16739 100644 --- a/drivers/gpu/drm/i915/i915_gem_stolen.c +++ b/drivers/gpu/drm/i915/i915_gem_stolen.c @@ -222,7 +222,7 @@ i915_pages_create_for_stolen(struct drm_device *dev, } sg = st->sgl; - sg->offset = offset; + sg->offset = 0; sg->length = size; sg_dma_address(sg) = (dma_addr_t)dev_priv->mm.stolen_base + offset; diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index b1a0cdba59e7..2d90f96c19d0 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -1682,9 +1682,13 @@ * Please check the detailed lore in the commit message for for experimental * evidence. */ -#define PORTD_HOTPLUG_LIVE_STATUS (1 << 29) -#define PORTC_HOTPLUG_LIVE_STATUS (1 << 28) -#define PORTB_HOTPLUG_LIVE_STATUS (1 << 27) +#define PORTD_HOTPLUG_LIVE_STATUS_G4X (1 << 29) +#define PORTC_HOTPLUG_LIVE_STATUS_G4X (1 << 28) +#define PORTB_HOTPLUG_LIVE_STATUS_G4X (1 << 27) +/* VLV DP/HDMI bits again match Bspec */ +#define PORTD_HOTPLUG_LIVE_STATUS_VLV (1 << 27) +#define PORTC_HOTPLUG_LIVE_STATUS_VLV (1 << 28) +#define PORTB_HOTPLUG_LIVE_STATUS_VLV (1 << 29) #define PORTD_HOTPLUG_INT_STATUS (3 << 21) #define PORTC_HOTPLUG_INT_STATUS (3 << 19) #define PORTB_HOTPLUG_INT_STATUS (3 << 17) diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c index 16e674af4d57..7ce38344e484 100644 --- a/drivers/gpu/drm/i915/intel_ddi.c +++ b/drivers/gpu/drm/i915/intel_ddi.c @@ -1193,12 +1193,18 @@ void intel_ddi_setup_hw_pll_state(struct drm_device *dev) enum pipe pipe; struct intel_crtc *intel_crtc; + dev_priv->ddi_plls.spll_refcount = 0; + dev_priv->ddi_plls.wrpll1_refcount = 0; + dev_priv->ddi_plls.wrpll2_refcount = 0; + for_each_pipe(pipe) { intel_crtc = to_intel_crtc(dev_priv->pipe_to_crtc_mapping[pipe]); - if (!intel_crtc->active) + if (!intel_crtc->active) { + intel_crtc->ddi_pll_sel = PORT_CLK_SEL_NONE; continue; + } intel_crtc->ddi_pll_sel = intel_ddi_get_crtc_pll(dev_priv, pipe); diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index c714d4d5bedb..54ae96f7bec6 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -5225,7 +5225,7 @@ static void intel_set_pipe_csc(struct drm_crtc *crtc) uint16_t postoff = 0; if (intel_crtc->config.limited_color_range) - postoff = (16 * (1 << 13) / 255) & 0x1fff; + postoff = (16 * (1 << 12) / 255) & 0x1fff; I915_WRITE(PIPE_CSC_POSTOFF_HI(pipe), postoff); I915_WRITE(PIPE_CSC_POSTOFF_ME(pipe), postoff); @@ -9456,7 +9456,9 @@ void intel_modeset_gem_init(struct drm_device *dev) intel_setup_overlay(dev); + mutex_lock(&dev->mode_config.mutex); intel_modeset_setup_hw_state(dev, false); + mutex_unlock(&dev->mode_config.mutex); } void intel_modeset_cleanup(struct drm_device *dev) @@ -9530,14 +9532,15 @@ void intel_connector_attach_encoder(struct intel_connector *connector, int intel_modeset_vga_set_state(struct drm_device *dev, bool state) { struct drm_i915_private *dev_priv = dev->dev_private; + unsigned reg = INTEL_INFO(dev)->gen >= 6 ? SNB_GMCH_CTRL : INTEL_GMCH_CTRL; u16 gmch_ctrl; - pci_read_config_word(dev_priv->bridge_dev, INTEL_GMCH_CTRL, &gmch_ctrl); + pci_read_config_word(dev_priv->bridge_dev, reg, &gmch_ctrl); if (state) gmch_ctrl &= ~INTEL_GMCH_VGA_DISABLE; else gmch_ctrl |= INTEL_GMCH_VGA_DISABLE; - pci_write_config_word(dev_priv->bridge_dev, INTEL_GMCH_CTRL, gmch_ctrl); + pci_write_config_word(dev_priv->bridge_dev, reg, gmch_ctrl); return 0; } diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 80feaec88d2b..cfd327c292ee 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -2277,18 +2277,34 @@ g4x_dp_detect(struct intel_dp *intel_dp) return status; } - switch (intel_dig_port->port) { - case PORT_B: - bit = PORTB_HOTPLUG_LIVE_STATUS; - break; - case PORT_C: - bit = PORTC_HOTPLUG_LIVE_STATUS; - break; - case PORT_D: - bit = PORTD_HOTPLUG_LIVE_STATUS; - break; - default: - return connector_status_unknown; + if (IS_VALLEYVIEW(dev)) { + switch (intel_dig_port->port) { + case PORT_B: + bit = PORTB_HOTPLUG_LIVE_STATUS_VLV; + break; + case PORT_C: + bit = PORTC_HOTPLUG_LIVE_STATUS_VLV; + break; + case PORT_D: + bit = PORTD_HOTPLUG_LIVE_STATUS_VLV; + break; + default: + return connector_status_unknown; + } + } else { + switch (intel_dig_port->port) { + case PORT_B: + bit = PORTB_HOTPLUG_LIVE_STATUS_G4X; + break; + case PORT_C: + bit = PORTC_HOTPLUG_LIVE_STATUS_G4X; + break; + case PORT_D: + bit = PORTD_HOTPLUG_LIVE_STATUS_G4X; + break; + default: + return connector_status_unknown; + } } if ((I915_READ(PORT_HOTPLUG_STAT) & bit) == 0) diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index 48fe23e8d180..629527d205de 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -1459,8 +1459,8 @@ intel_ring_alloc_seqno(struct intel_ring_buffer *ring) return i915_gem_get_seqno(ring->dev, &ring->outstanding_lazy_request); } -static int __intel_ring_begin(struct intel_ring_buffer *ring, - int bytes) +static int __intel_ring_prepare(struct intel_ring_buffer *ring, + int bytes) { int ret; @@ -1476,7 +1476,6 @@ static int __intel_ring_begin(struct intel_ring_buffer *ring, return ret; } - ring->space -= bytes; return 0; } @@ -1491,12 +1490,17 @@ int intel_ring_begin(struct intel_ring_buffer *ring, if (ret) return ret; + ret = __intel_ring_prepare(ring, num_dwords * sizeof(uint32_t)); + if (ret) + return ret; + /* Preallocate the olr before touching the ring */ ret = intel_ring_alloc_seqno(ring); if (ret) return ret; - return __intel_ring_begin(ring, num_dwords * sizeof(uint32_t)); + ring->space -= num_dwords * sizeof(uint32_t); + return 0; } void intel_ring_init_seqno(struct intel_ring_buffer *ring, u32 seqno) diff --git a/drivers/gpu/drm/mgag200/mgag200_mode.c b/drivers/gpu/drm/mgag200/mgag200_mode.c index 99e07b688ea8..f6341e8622ee 100644 --- a/drivers/gpu/drm/mgag200/mgag200_mode.c +++ b/drivers/gpu/drm/mgag200/mgag200_mode.c @@ -1477,11 +1477,11 @@ static int mga_vga_mode_valid(struct drm_connector *connector, (mga_vga_calculate_mode_bandwidth(mode, bpp) > (32700 * 1024))) { return MODE_BANDWIDTH; - } else if (mode->type == G200_EH && + } else if (mdev->type == G200_EH && (mga_vga_calculate_mode_bandwidth(mode, bpp) > (37500 * 1024))) { return MODE_BANDWIDTH; - } else if (mode->type == G200_ER && + } else if (mdev->type == G200_ER && (mga_vga_calculate_mode_bandwidth(mode, bpp) > (55000 * 1024))) { return MODE_BANDWIDTH; diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c b/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c index 5680d3eb11ca..4b7d4343f4ac 100644 --- a/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c +++ b/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c @@ -1112,7 +1112,7 @@ nv50_disp_intr_unk20_2(struct nv50_disp_priv *priv, int head) if (conf != ~0) { if (outp.location == 0 && outp.type == DCB_OUTPUT_DP) { u32 soff = (ffs(outp.or) - 1) * 0x08; - u32 ctrl = nv_rd32(priv, 0x610798 + soff); + u32 ctrl = nv_rd32(priv, 0x610794 + soff); u32 datarate; switch ((ctrl & 0x000f0000) >> 16) { diff --git a/drivers/gpu/drm/nouveau/core/subdev/bios/init.c b/drivers/gpu/drm/nouveau/core/subdev/bios/init.c index e2d7f38447cc..c7bf974ed4a6 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/bios/init.c +++ b/drivers/gpu/drm/nouveau/core/subdev/bios/init.c @@ -366,13 +366,13 @@ static u16 init_script(struct nouveau_bios *bios, int index) { struct nvbios_init init = { .bios = bios }; - u16 data; + u16 bmp_ver = bmp_version(bios), data; - if (bmp_version(bios) && bmp_version(bios) < 0x0510) { - if (index > 1) + if (bmp_ver && bmp_ver < 0x0510) { + if (index > 1 || bmp_ver < 0x0100) return 0x0000; - data = bios->bmp_offset + (bios->version.major < 2 ? 14 : 18); + data = bios->bmp_offset + (bmp_ver < 0x0200 ? 14 : 18); return nv_ro16(bios, data + (index * 2)); } @@ -1295,7 +1295,11 @@ init_jump(struct nvbios_init *init) u16 offset = nv_ro16(bios, init->offset + 1); trace("JUMP\t0x%04x\n", offset); - init->offset = offset; + + if (init_exec(init)) + init->offset = offset; + else + init->offset += 3; } /** diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c index 7ff10711a4d0..5a5f021d5863 100644 --- a/drivers/gpu/drm/nouveau/nouveau_bo.c +++ b/drivers/gpu/drm/nouveau/nouveau_bo.c @@ -788,25 +788,25 @@ nv50_bo_move_m2mf(struct nouveau_channel *chan, struct ttm_buffer_object *bo, struct ttm_mem_reg *old_mem, struct ttm_mem_reg *new_mem) { struct nouveau_mem *node = old_mem->mm_node; - struct nouveau_bo *nvbo = nouveau_bo(bo); u64 length = (new_mem->num_pages << PAGE_SHIFT); u64 src_offset = node->vma[0].offset; u64 dst_offset = node->vma[1].offset; + int src_tiled = !!node->memtype; + int dst_tiled = !!((struct nouveau_mem *)new_mem->mm_node)->memtype; int ret; while (length) { u32 amount, stride, height; + ret = RING_SPACE(chan, 18 + 6 * (src_tiled + dst_tiled)); + if (ret) + return ret; + amount = min(length, (u64)(4 * 1024 * 1024)); stride = 16 * 4; height = amount / stride; - if (old_mem->mem_type == TTM_PL_VRAM && - nouveau_bo_tile_layout(nvbo)) { - ret = RING_SPACE(chan, 8); - if (ret) - return ret; - + if (src_tiled) { BEGIN_NV04(chan, NvSubCopy, 0x0200, 7); OUT_RING (chan, 0); OUT_RING (chan, 0); @@ -816,19 +816,10 @@ nv50_bo_move_m2mf(struct nouveau_channel *chan, struct ttm_buffer_object *bo, OUT_RING (chan, 0); OUT_RING (chan, 0); } else { - ret = RING_SPACE(chan, 2); - if (ret) - return ret; - BEGIN_NV04(chan, NvSubCopy, 0x0200, 1); OUT_RING (chan, 1); } - if (new_mem->mem_type == TTM_PL_VRAM && - nouveau_bo_tile_layout(nvbo)) { - ret = RING_SPACE(chan, 8); - if (ret) - return ret; - + if (dst_tiled) { BEGIN_NV04(chan, NvSubCopy, 0x021c, 7); OUT_RING (chan, 0); OUT_RING (chan, 0); @@ -838,18 +829,10 @@ nv50_bo_move_m2mf(struct nouveau_channel *chan, struct ttm_buffer_object *bo, OUT_RING (chan, 0); OUT_RING (chan, 0); } else { - ret = RING_SPACE(chan, 2); - if (ret) - return ret; - BEGIN_NV04(chan, NvSubCopy, 0x021c, 1); OUT_RING (chan, 1); } - ret = RING_SPACE(chan, 14); - if (ret) - return ret; - BEGIN_NV04(chan, NvSubCopy, 0x0238, 2); OUT_RING (chan, upper_32_bits(src_offset)); OUT_RING (chan, upper_32_bits(dst_offset)); diff --git a/drivers/gpu/drm/nouveau/nouveau_drm.c b/drivers/gpu/drm/nouveau/nouveau_drm.c index 383f4e6ea9d1..4598a6afea1e 100644 --- a/drivers/gpu/drm/nouveau/nouveau_drm.c +++ b/drivers/gpu/drm/nouveau/nouveau_drm.c @@ -339,6 +339,8 @@ nouveau_drm_load(struct drm_device *dev, unsigned long flags) if (ret) goto fail_device; + dev->irq_enabled = true; + /* workaround an odd issue on nvc1 by disabling the device's * nosnoop capability. hopefully won't cause issues until a * better fix is found - assuming there is one... @@ -426,6 +428,7 @@ nouveau_drm_remove(struct pci_dev *pdev) struct nouveau_drm *drm = nouveau_drm(dev); struct nouveau_object *device; + dev->irq_enabled = false; device = drm->client.base.device; drm_put_dev(dev); diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c index 22f06c8d8e0b..a56d0199e334 100644 --- a/drivers/gpu/drm/radeon/atombios_crtc.c +++ b/drivers/gpu/drm/radeon/atombios_crtc.c @@ -938,11 +938,14 @@ static bool atombios_crtc_prepare_pll(struct drm_crtc *crtc, struct drm_display_ radeon_atombios_get_ppll_ss_info(rdev, &radeon_crtc->ss, ATOM_DP_SS_ID1); - } else + } else { radeon_crtc->ss_enabled = radeon_atombios_get_ppll_ss_info(rdev, &radeon_crtc->ss, ATOM_DP_SS_ID1); + } + /* disable spread spectrum on DCE3 DP */ + radeon_crtc->ss_enabled = false; } break; case ATOM_ENCODER_MODE_LVDS: @@ -1176,7 +1179,9 @@ static int dce4_crtc_do_set_base(struct drm_crtc *crtc, if ((rdev->family == CHIP_TAHITI) || (rdev->family == CHIP_PITCAIRN)) fb_format |= SI_GRPH_PIPE_CONFIG(SI_ADDR_SURF_P8_32x32_8x16); - else if (rdev->family == CHIP_VERDE) + else if ((rdev->family == CHIP_VERDE) || + (rdev->family == CHIP_OLAND) || + (rdev->family == CHIP_HAINAN)) /* for completeness. HAINAN has no display hw */ fb_format |= SI_GRPH_PIPE_CONFIG(SI_ADDR_SURF_P4_8x16); switch (radeon_crtc->crtc_id) { @@ -1656,6 +1661,20 @@ static int radeon_atom_pick_pll(struct drm_crtc *crtc) return ATOM_PPLL1; DRM_ERROR("unable to allocate a PPLL\n"); return ATOM_PPLL_INVALID; + } else if (ASIC_IS_DCE41(rdev)) { + /* Don't share PLLs on DCE4.1 chips */ + if (ENCODER_MODE_IS_DP(atombios_get_encoder_mode(radeon_crtc->encoder))) { + if (rdev->clock.dp_extclk) + /* skip PPLL programming if using ext clock */ + return ATOM_PPLL_INVALID; + } + pll_in_use = radeon_get_pll_use_mask(crtc); + if (!(pll_in_use & (1 << ATOM_PPLL1))) + return ATOM_PPLL1; + if (!(pll_in_use & (1 << ATOM_PPLL2))) + return ATOM_PPLL2; + DRM_ERROR("unable to allocate a PPLL\n"); + return ATOM_PPLL_INVALID; } else if (ASIC_IS_DCE4(rdev)) { /* in DP mode, the DP ref clock can come from PPLL, DCPLL, or ext clock, * depending on the asic: @@ -1683,7 +1702,7 @@ static int radeon_atom_pick_pll(struct drm_crtc *crtc) if (pll != ATOM_PPLL_INVALID) return pll; } - } else if (!ASIC_IS_DCE41(rdev)) { /* Don't share PLLs on DCE4.1 chips */ + } else { /* use the same PPLL for all monitors with the same clock */ pll = radeon_get_shared_nondp_ppll(crtc); if (pll != ATOM_PPLL_INVALID) diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index 8b6b0ba6ae40..93e26339051d 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -3792,8 +3792,8 @@ void evergreen_disable_interrupt_state(struct radeon_device *rdev) WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, 0); } - /* only one DAC on DCE6 */ - if (!ASIC_IS_DCE6(rdev)) + /* only one DAC on DCE5 */ + if (!ASIC_IS_DCE5(rdev)) WREG32(DACA_AUTODETECT_INT_CONTROL, 0); WREG32(DACB_AUTODETECT_INT_CONTROL, 0); diff --git a/drivers/gpu/drm/radeon/evergreen_cs.c b/drivers/gpu/drm/radeon/evergreen_cs.c index eb8ac315f92f..c7cac07f139b 100644 --- a/drivers/gpu/drm/radeon/evergreen_cs.c +++ b/drivers/gpu/drm/radeon/evergreen_cs.c @@ -967,7 +967,10 @@ static int evergreen_cs_track_check(struct radeon_cs_parser *p) if (track->cb_dirty) { tmp = track->cb_target_mask; for (i = 0; i < 8; i++) { - if ((tmp >> (i * 4)) & 0xF) { + u32 format = G_028C70_FORMAT(track->cb_color_info[i]); + + if (format != V_028C70_COLOR_INVALID && + (tmp >> (i * 4)) & 0xF) { /* at least one component is enabled */ if (track->cb_color_bo[i] == NULL) { dev_warn(p->dev, "%s:%d mask 0x%08X | 0x%08X no cb for %d\n", diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c index 3bf43a16adcc..451d7886644c 100644 --- a/drivers/gpu/drm/radeon/ni.c +++ b/drivers/gpu/drm/radeon/ni.c @@ -753,6 +753,10 @@ static void cayman_gpu_init(struct radeon_device *rdev) (rdev->pdev->device == 0x999C)) { rdev->config.cayman.max_simds_per_se = 6; rdev->config.cayman.max_backends_per_se = 2; + rdev->config.cayman.max_hw_contexts = 8; + rdev->config.cayman.sx_max_export_size = 256; + rdev->config.cayman.sx_max_export_pos_size = 64; + rdev->config.cayman.sx_max_export_smx_size = 192; } else if ((rdev->pdev->device == 0x9903) || (rdev->pdev->device == 0x9904) || (rdev->pdev->device == 0x990A) || @@ -763,6 +767,10 @@ static void cayman_gpu_init(struct radeon_device *rdev) (rdev->pdev->device == 0x999D)) { rdev->config.cayman.max_simds_per_se = 4; rdev->config.cayman.max_backends_per_se = 2; + rdev->config.cayman.max_hw_contexts = 8; + rdev->config.cayman.sx_max_export_size = 256; + rdev->config.cayman.sx_max_export_pos_size = 64; + rdev->config.cayman.sx_max_export_smx_size = 192; } else if ((rdev->pdev->device == 0x9919) || (rdev->pdev->device == 0x9990) || (rdev->pdev->device == 0x9991) || @@ -773,9 +781,17 @@ static void cayman_gpu_init(struct radeon_device *rdev) (rdev->pdev->device == 0x99A0)) { rdev->config.cayman.max_simds_per_se = 3; rdev->config.cayman.max_backends_per_se = 1; + rdev->config.cayman.max_hw_contexts = 4; + rdev->config.cayman.sx_max_export_size = 128; + rdev->config.cayman.sx_max_export_pos_size = 32; + rdev->config.cayman.sx_max_export_smx_size = 96; } else { rdev->config.cayman.max_simds_per_se = 2; rdev->config.cayman.max_backends_per_se = 1; + rdev->config.cayman.max_hw_contexts = 4; + rdev->config.cayman.sx_max_export_size = 128; + rdev->config.cayman.sx_max_export_pos_size = 32; + rdev->config.cayman.sx_max_export_smx_size = 96; } rdev->config.cayman.max_texture_channel_caches = 2; rdev->config.cayman.max_gprs = 256; @@ -783,10 +799,6 @@ static void cayman_gpu_init(struct radeon_device *rdev) rdev->config.cayman.max_gs_threads = 32; rdev->config.cayman.max_stack_entries = 512; rdev->config.cayman.sx_num_of_sets = 8; - rdev->config.cayman.sx_max_export_size = 256; - rdev->config.cayman.sx_max_export_pos_size = 64; - rdev->config.cayman.sx_max_export_smx_size = 192; - rdev->config.cayman.max_hw_contexts = 8; rdev->config.cayman.sq_num_cf_insts = 2; rdev->config.cayman.sc_prim_fifo_size = 0x40; @@ -1166,13 +1178,12 @@ void cayman_fence_ring_emit(struct radeon_device *rdev, { struct radeon_ring *ring = &rdev->ring[fence->ring]; u64 addr = rdev->fence_drv[fence->ring].gpu_addr; + u32 cp_coher_cntl = PACKET3_FULL_CACHE_ENA | PACKET3_TC_ACTION_ENA | + PACKET3_SH_ACTION_ENA; /* flush read cache over gart for this vmid */ - radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1)); - radeon_ring_write(ring, (CP_COHER_CNTL2 - PACKET3_SET_CONFIG_REG_START) >> 2); - radeon_ring_write(ring, 0); radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3)); - radeon_ring_write(ring, PACKET3_TC_ACTION_ENA | PACKET3_SH_ACTION_ENA); + radeon_ring_write(ring, PACKET3_ENGINE_ME | cp_coher_cntl); radeon_ring_write(ring, 0xFFFFFFFF); radeon_ring_write(ring, 0); radeon_ring_write(ring, 10); /* poll interval */ @@ -1188,6 +1199,8 @@ void cayman_fence_ring_emit(struct radeon_device *rdev, void cayman_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib) { struct radeon_ring *ring = &rdev->ring[ib->ring]; + u32 cp_coher_cntl = PACKET3_FULL_CACHE_ENA | PACKET3_TC_ACTION_ENA | + PACKET3_SH_ACTION_ENA; /* set to DX10/11 mode */ radeon_ring_write(ring, PACKET3(PACKET3_MODE_CONTROL, 0)); @@ -1212,14 +1225,11 @@ void cayman_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib) (ib->vm ? (ib->vm->id << 24) : 0)); /* flush read cache over gart for this vmid */ - radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1)); - radeon_ring_write(ring, (CP_COHER_CNTL2 - PACKET3_SET_CONFIG_REG_START) >> 2); - radeon_ring_write(ring, ib->vm ? ib->vm->id : 0); radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3)); - radeon_ring_write(ring, PACKET3_TC_ACTION_ENA | PACKET3_SH_ACTION_ENA); + radeon_ring_write(ring, PACKET3_ENGINE_ME | cp_coher_cntl); radeon_ring_write(ring, 0xFFFFFFFF); radeon_ring_write(ring, 0); - radeon_ring_write(ring, 10); /* poll interval */ + radeon_ring_write(ring, ((ib->vm ? ib->vm->id : 0) << 24) | 10); /* poll interval */ } void cayman_uvd_semaphore_emit(struct radeon_device *rdev, diff --git a/drivers/gpu/drm/radeon/nid.h b/drivers/gpu/drm/radeon/nid.h index e226faf16fea..e49f7b456038 100644 --- a/drivers/gpu/drm/radeon/nid.h +++ b/drivers/gpu/drm/radeon/nid.h @@ -573,6 +573,7 @@ # define PACKET3_DB_ACTION_ENA (1 << 26) # define PACKET3_SH_ACTION_ENA (1 << 27) # define PACKET3_SX_ACTION_ENA (1 << 28) +# define PACKET3_ENGINE_ME (1 << 31) #define PACKET3_ME_INITIALIZE 0x44 #define PACKET3_ME_INITIALIZE_DEVICE_ID(x) ((x) << 16) #define PACKET3_COND_WRITE 0x45 diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c index f19620b472f5..4cf21ec1abe3 100644 --- a/drivers/gpu/drm/radeon/r600.c +++ b/drivers/gpu/drm/radeon/r600.c @@ -2957,14 +2957,17 @@ void r600_fence_ring_emit(struct radeon_device *rdev, struct radeon_fence *fence) { struct radeon_ring *ring = &rdev->ring[fence->ring]; + u32 cp_coher_cntl = PACKET3_TC_ACTION_ENA | PACKET3_VC_ACTION_ENA | + PACKET3_SH_ACTION_ENA; + + if (rdev->family >= CHIP_RV770) + cp_coher_cntl |= PACKET3_FULL_CACHE_ENA; if (rdev->wb.use_event) { u64 addr = rdev->fence_drv[fence->ring].gpu_addr; /* flush read cache over gart */ radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3)); - radeon_ring_write(ring, PACKET3_TC_ACTION_ENA | - PACKET3_VC_ACTION_ENA | - PACKET3_SH_ACTION_ENA); + radeon_ring_write(ring, cp_coher_cntl); radeon_ring_write(ring, 0xFFFFFFFF); radeon_ring_write(ring, 0); radeon_ring_write(ring, 10); /* poll interval */ @@ -2978,9 +2981,7 @@ void r600_fence_ring_emit(struct radeon_device *rdev, } else { /* flush read cache over gart */ radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3)); - radeon_ring_write(ring, PACKET3_TC_ACTION_ENA | - PACKET3_VC_ACTION_ENA | - PACKET3_SH_ACTION_ENA); + radeon_ring_write(ring, cp_coher_cntl); radeon_ring_write(ring, 0xFFFFFFFF); radeon_ring_write(ring, 0); radeon_ring_write(ring, 10); /* poll interval */ @@ -4508,6 +4509,10 @@ restart_ih: break; } break; + case 124: /* UVD */ + DRM_DEBUG("IH: UVD int: 0x%08x\n", src_data); + radeon_fence_process(rdev, R600_RING_TYPE_UVD_INDEX); + break; case 176: /* CP_INT in ring buffer */ case 177: /* CP_INT in IB1 */ case 178: /* CP_INT in IB2 */ diff --git a/drivers/gpu/drm/radeon/r600_cs.c b/drivers/gpu/drm/radeon/r600_cs.c index 01a3ec83f284..745e66eacd47 100644 --- a/drivers/gpu/drm/radeon/r600_cs.c +++ b/drivers/gpu/drm/radeon/r600_cs.c @@ -749,7 +749,10 @@ static int r600_cs_track_check(struct radeon_cs_parser *p) } for (i = 0; i < 8; i++) { - if ((tmp >> (i * 4)) & 0xF) { + u32 format = G_0280A0_FORMAT(track->cb_color_info[i]); + + if (format != V_0280A0_COLOR_INVALID && + (tmp >> (i * 4)) & 0xF) { /* at least one component is enabled */ if (track->cb_color_bo[i] == NULL) { dev_warn(p->dev, "%s:%d mask 0x%08X | 0x%08X no cb for %d\n", diff --git a/drivers/gpu/drm/radeon/r600_hdmi.c b/drivers/gpu/drm/radeon/r600_hdmi.c index 01ed8ac4d156..5df711659049 100644 --- a/drivers/gpu/drm/radeon/r600_hdmi.c +++ b/drivers/gpu/drm/radeon/r600_hdmi.c @@ -279,9 +279,9 @@ void r600_audio_set_dto(struct drm_encoder *encoder, u32 clock) WREG32(DCCG_AUDIO_DTO1_MODULE, clock * 100); WREG32(DCCG_AUDIO_DTO_SELECT, 1); /* select DTO1 */ } - } else if (ASIC_IS_DCE3(rdev)) { + } else { /* according to the reg specs, this should DCE3.2 only, but in - * practice it seems to cover DCE3.0/3.1 as well. + * practice it seems to cover DCE2.0/3.0/3.1 as well. */ if (dig->dig_encoder == 0) { WREG32(DCCG_AUDIO_DTO0_PHASE, base_rate * 100); @@ -292,10 +292,6 @@ void r600_audio_set_dto(struct drm_encoder *encoder, u32 clock) WREG32(DCCG_AUDIO_DTO1_MODULE, clock * 100); WREG32(DCCG_AUDIO_DTO_SELECT, 1); /* select DTO1 */ } - } else { - /* according to the reg specs, this should be DCE2.0 and DCE3.0/3.1 */ - WREG32(AUDIO_DTO, AUDIO_DTO_PHASE(base_rate / 10) | - AUDIO_DTO_MODULE(clock / 10)); } } diff --git a/drivers/gpu/drm/radeon/r600d.h b/drivers/gpu/drm/radeon/r600d.h index 2fd2241b6df9..eb28716e87fa 100644 --- a/drivers/gpu/drm/radeon/r600d.h +++ b/drivers/gpu/drm/radeon/r600d.h @@ -1283,6 +1283,7 @@ # define PACKET3_CP_DMA_CMD_DAIC (1 << 29) #define PACKET3_SURFACE_SYNC 0x43 # define PACKET3_CB0_DEST_BASE_ENA (1 << 6) +# define PACKET3_FULL_CACHE_ENA (1 << 20) /* r7xx+ only */ # define PACKET3_TC_ACTION_ENA (1 << 23) # define PACKET3_VC_ACTION_ENA (1 << 24) # define PACKET3_CB_ACTION_ENA (1 << 25) diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c index 239a4074f122..efb06e34aed7 100644 --- a/drivers/gpu/drm/radeon/radeon_atombios.c +++ b/drivers/gpu/drm/radeon/radeon_atombios.c @@ -2926,6 +2926,10 @@ void radeon_atom_initialize_bios_scratch_regs(struct drm_device *dev) /* tell the bios not to handle mode switching */ bios_6_scratch |= ATOM_S6_ACC_BLOCK_DISPLAY_SWITCH; + /* clear the vbios dpms state */ + if (ASIC_IS_DCE4(rdev)) + bios_2_scratch &= ~ATOM_S2_DEVICE_DPMS_STATE; + if (rdev->family >= CHIP_R600) { WREG32(R600_BIOS_2_SCRATCH, bios_2_scratch); WREG32(R600_BIOS_6_SCRATCH, bios_6_scratch); diff --git a/drivers/gpu/drm/radeon/radeon_atpx_handler.c b/drivers/gpu/drm/radeon/radeon_atpx_handler.c index d96070bf8388..cbb06d7c89b5 100644 --- a/drivers/gpu/drm/radeon/radeon_atpx_handler.c +++ b/drivers/gpu/drm/radeon/radeon_atpx_handler.c @@ -215,7 +215,8 @@ static int radeon_atpx_verify_interface(struct radeon_atpx *atpx) memcpy(&output, info->buffer.pointer, size); /* TODO: check version? */ - printk("ATPX version %u\n", output.version); + printk("ATPX version %u, functions 0x%08x\n", + output.version, output.function_bits); radeon_atpx_parse_functions(&atpx->functions, output.function_bits); diff --git a/drivers/gpu/drm/radeon/radeon_i2c.c b/drivers/gpu/drm/radeon/radeon_i2c.c index fc60b74ee304..e24ca6ab96de 100644 --- a/drivers/gpu/drm/radeon/radeon_i2c.c +++ b/drivers/gpu/drm/radeon/radeon_i2c.c @@ -1020,6 +1020,9 @@ void radeon_i2c_destroy(struct radeon_i2c_chan *i2c) /* Add the default buses */ void radeon_i2c_init(struct radeon_device *rdev) { + if (radeon_hw_i2c) + DRM_INFO("hw_i2c forced on, you may experience display detection problems!\n"); + if (rdev->is_atom_bios) radeon_atombios_i2c_init(rdev); else diff --git a/drivers/gpu/drm/radeon/radeon_kms.c b/drivers/gpu/drm/radeon/radeon_kms.c index 7e292d899209..1113e8f69137 100644 --- a/drivers/gpu/drm/radeon/radeon_kms.c +++ b/drivers/gpu/drm/radeon/radeon_kms.c @@ -485,6 +485,10 @@ int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv) radeon_vm_init(rdev, &fpriv->vm); + r = radeon_bo_reserve(rdev->ring_tmp_bo.bo, false); + if (r) + return r; + /* map the ib pool buffer read only into * virtual address space */ bo_va = radeon_vm_bo_add(rdev, &fpriv->vm, @@ -492,6 +496,8 @@ int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv) r = radeon_vm_bo_set_addr(rdev, bo_va, RADEON_VA_IB_OFFSET, RADEON_VM_PAGE_READABLE | RADEON_VM_PAGE_SNOOPED); + + radeon_bo_unreserve(rdev->ring_tmp_bo.bo); if (r) { radeon_vm_fini(rdev, &fpriv->vm); kfree(fpriv); diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c index 788c64cb4b47..469ba710b52f 100644 --- a/drivers/gpu/drm/radeon/radeon_pm.c +++ b/drivers/gpu/drm/radeon/radeon_pm.c @@ -561,8 +561,10 @@ void radeon_pm_resume(struct radeon_device *rdev) rdev->pm.current_clock_mode_index = 0; rdev->pm.current_sclk = rdev->pm.default_sclk; rdev->pm.current_mclk = rdev->pm.default_mclk; - rdev->pm.current_vddc = rdev->pm.power_state[rdev->pm.default_power_state_index].clock_info[0].voltage.voltage; - rdev->pm.current_vddci = rdev->pm.power_state[rdev->pm.default_power_state_index].clock_info[0].voltage.vddci; + if (rdev->pm.power_state) { + rdev->pm.current_vddc = rdev->pm.power_state[rdev->pm.default_power_state_index].clock_info[0].voltage.voltage; + rdev->pm.current_vddci = rdev->pm.power_state[rdev->pm.default_power_state_index].clock_info[0].voltage.vddci; + } if (rdev->pm.pm_method == PM_METHOD_DYNPM && rdev->pm.dynpm_state == DYNPM_STATE_SUSPENDED) { rdev->pm.dynpm_state = DYNPM_STATE_ACTIVE; diff --git a/drivers/gpu/drm/radeon/radeon_uvd.c b/drivers/gpu/drm/radeon/radeon_uvd.c index a809b1733e7b..21d2d5280fc1 100644 --- a/drivers/gpu/drm/radeon/radeon_uvd.c +++ b/drivers/gpu/drm/radeon/radeon_uvd.c @@ -460,7 +460,7 @@ static int radeon_uvd_cs_reloc(struct radeon_cs_parser *p, return -EINVAL; } - if ((start >> 28) != (end >> 28)) { + if ((start >> 28) != ((end - 1) >> 28)) { DRM_ERROR("reloc %LX-%LX crossing 256MB boundary!\n", start, end); return -EINVAL; diff --git a/drivers/gpu/drm/radeon/rs690.c b/drivers/gpu/drm/radeon/rs690.c index 55880d5962c3..ea28ecbd5c79 100644 --- a/drivers/gpu/drm/radeon/rs690.c +++ b/drivers/gpu/drm/radeon/rs690.c @@ -162,6 +162,16 @@ static void rs690_mc_init(struct radeon_device *rdev) base = RREG32_MC(R_000100_MCCFG_FB_LOCATION); base = G_000100_MC_FB_START(base) << 16; rdev->mc.igp_sideport_enabled = radeon_atombios_sideport_present(rdev); + /* Some boards seem to be configured for 128MB of sideport memory, + * but really only have 64MB. Just skip the sideport and use + * UMA memory. + */ + if (rdev->mc.igp_sideport_enabled && + (rdev->mc.real_vram_size == (384 * 1024 * 1024))) { + base += 128 * 1024 * 1024; + rdev->mc.real_vram_size -= 128 * 1024 * 1024; + rdev->mc.mc_vram_size = rdev->mc.real_vram_size; + } /* Use K8 direct mapping for fast fb access. */ rdev->fastfb_working = false; diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c index f054a3b6c4b8..03add5d5542e 100644 --- a/drivers/gpu/drm/radeon/si.c +++ b/drivers/gpu/drm/radeon/si.c @@ -3615,8 +3615,15 @@ static int si_mc_init(struct radeon_device *rdev) rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0); rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0); /* size in MB on si */ - rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE) * 1024ULL * 1024ULL; - rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE) * 1024ULL * 1024ULL; + tmp = RREG32(CONFIG_MEMSIZE); + /* some boards may have garbage in the upper 16 bits */ + if (tmp & 0xffff0000) { + DRM_INFO("Probable bad vram size: 0x%08x\n", tmp); + if (tmp & 0xffff) + tmp &= 0xffff; + } + rdev->mc.mc_vram_size = tmp * 1024ULL * 1024ULL; + rdev->mc.real_vram_size = rdev->mc.mc_vram_size; rdev->mc.visible_vram_size = rdev->mc.aper_size; si_vram_gtt_location(rdev, &rdev->mc); radeon_update_bandwidth_info(rdev); @@ -4512,7 +4519,7 @@ static void si_disable_interrupt_state(struct radeon_device *rdev) } if (!ASIC_IS_NODCE(rdev)) { - WREG32(DACA_AUTODETECT_INT_CONTROL, 0); + WREG32(DAC_AUTODETECT_INT_CONTROL, 0); tmp = RREG32(DC_HPD1_INT_CONTROL) & DC_HPDx_INT_POLARITY; WREG32(DC_HPD1_INT_CONTROL, tmp); @@ -5152,6 +5159,10 @@ restart_ih: break; } break; + case 124: /* UVD */ + DRM_DEBUG("IH: UVD int: 0x%08x\n", src_data); + radeon_fence_process(rdev, R600_RING_TYPE_UVD_INDEX); + break; case 146: case 147: dev_err(rdev->dev, "GPU fault detected: %d 0x%08x\n", src_id, src_data); diff --git a/drivers/gpu/drm/radeon/sid.h b/drivers/gpu/drm/radeon/sid.h index 108c8d2503c9..9652ed9ec639 100644 --- a/drivers/gpu/drm/radeon/sid.h +++ b/drivers/gpu/drm/radeon/sid.h @@ -394,7 +394,7 @@ # define GRPH_PFLIP_INT_MASK (1 << 0) # define GRPH_PFLIP_INT_TYPE (1 << 8) -#define DACA_AUTODETECT_INT_CONTROL 0x66c8 +#define DAC_AUTODETECT_INT_CONTROL 0x67c8 #define DC_HPD1_INT_STATUS 0x601c #define DC_HPD2_INT_STATUS 0x6028 diff --git a/drivers/hid/hid-logitech-dj.c b/drivers/hid/hid-logitech-dj.c index 4f762bc9456a..1be9156a3950 100644 --- a/drivers/hid/hid-logitech-dj.c +++ b/drivers/hid/hid-logitech-dj.c @@ -192,6 +192,7 @@ static struct hid_ll_driver logi_dj_ll_driver; static int logi_dj_output_hidraw_report(struct hid_device *hid, u8 * buf, size_t count, unsigned char report_type); +static int logi_dj_recv_query_paired_devices(struct dj_receiver_dev *djrcv_dev); static void logi_dj_recv_destroy_djhid_device(struct dj_receiver_dev *djrcv_dev, struct dj_report *dj_report) @@ -232,6 +233,7 @@ static void logi_dj_recv_add_djhid_device(struct dj_receiver_dev *djrcv_dev, if (dj_report->report_params[DEVICE_PAIRED_PARAM_SPFUNCTION] & SPFUNCTION_DEVICE_LIST_EMPTY) { dbg_hid("%s: device list is empty\n", __func__); + djrcv_dev->querying_devices = false; return; } @@ -242,6 +244,12 @@ static void logi_dj_recv_add_djhid_device(struct dj_receiver_dev *djrcv_dev, return; } + if (djrcv_dev->paired_dj_devices[dj_report->device_index]) { + /* The device is already known. No need to reallocate it. */ + dbg_hid("%s: device is already known\n", __func__); + return; + } + dj_hiddev = hid_allocate_device(); if (IS_ERR(dj_hiddev)) { dev_err(&djrcv_hdev->dev, "%s: hid_allocate_device failed\n", @@ -305,6 +313,7 @@ static void delayedwork_callback(struct work_struct *work) struct dj_report dj_report; unsigned long flags; int count; + int retval; dbg_hid("%s\n", __func__); @@ -337,6 +346,25 @@ static void delayedwork_callback(struct work_struct *work) logi_dj_recv_destroy_djhid_device(djrcv_dev, &dj_report); break; default: + /* A normal report (i. e. not belonging to a pair/unpair notification) + * arriving here, means that the report arrived but we did not have a + * paired dj_device associated to the report's device_index, this + * means that the original "device paired" notification corresponding + * to this dj_device never arrived to this driver. The reason is that + * hid-core discards all packets coming from a device while probe() is + * executing. */ + if (!djrcv_dev->paired_dj_devices[dj_report.device_index]) { + /* ok, we don't know the device, just re-ask the + * receiver for the list of connected devices. */ + retval = logi_dj_recv_query_paired_devices(djrcv_dev); + if (!retval) { + /* everything went fine, so just leave */ + break; + } + dev_err(&djrcv_dev->hdev->dev, + "%s:logi_dj_recv_query_paired_devices " + "error:%d\n", __func__, retval); + } dbg_hid("%s: unexpected report type\n", __func__); } } @@ -367,6 +395,12 @@ static void logi_dj_recv_forward_null_report(struct dj_receiver_dev *djrcv_dev, if (!djdev) { dbg_hid("djrcv_dev->paired_dj_devices[dj_report->device_index]" " is NULL, index %d\n", dj_report->device_index); + kfifo_in(&djrcv_dev->notif_fifo, dj_report, sizeof(struct dj_report)); + + if (schedule_work(&djrcv_dev->work) == 0) { + dbg_hid("%s: did not schedule the work item, was already " + "queued\n", __func__); + } return; } @@ -397,6 +431,12 @@ static void logi_dj_recv_forward_report(struct dj_receiver_dev *djrcv_dev, if (dj_device == NULL) { dbg_hid("djrcv_dev->paired_dj_devices[dj_report->device_index]" " is NULL, index %d\n", dj_report->device_index); + kfifo_in(&djrcv_dev->notif_fifo, dj_report, sizeof(struct dj_report)); + + if (schedule_work(&djrcv_dev->work) == 0) { + dbg_hid("%s: did not schedule the work item, was already " + "queued\n", __func__); + } return; } @@ -444,6 +484,10 @@ static int logi_dj_recv_query_paired_devices(struct dj_receiver_dev *djrcv_dev) struct dj_report *dj_report; int retval; + /* no need to protect djrcv_dev->querying_devices */ + if (djrcv_dev->querying_devices) + return 0; + dj_report = kzalloc(sizeof(struct dj_report), GFP_KERNEL); if (!dj_report) return -ENOMEM; @@ -455,6 +499,7 @@ static int logi_dj_recv_query_paired_devices(struct dj_receiver_dev *djrcv_dev) return retval; } + static int logi_dj_recv_switch_to_dj_mode(struct dj_receiver_dev *djrcv_dev, unsigned timeout) { diff --git a/drivers/hid/hid-logitech-dj.h b/drivers/hid/hid-logitech-dj.h index fd28a5e0ca3b..4a4000340ce1 100644 --- a/drivers/hid/hid-logitech-dj.h +++ b/drivers/hid/hid-logitech-dj.h @@ -101,6 +101,7 @@ struct dj_receiver_dev { struct work_struct work; struct kfifo notif_fifo; spinlock_t lock; + bool querying_devices; }; struct dj_device { diff --git a/drivers/hv/connection.c b/drivers/hv/connection.c index 253a74ba245c..d4fac934b220 100644 --- a/drivers/hv/connection.c +++ b/drivers/hv/connection.c @@ -67,7 +67,6 @@ static int vmbus_negotiate_version(struct vmbus_channel_msginfo *msginfo, int ret = 0; struct vmbus_channel_initiate_contact *msg; unsigned long flags; - int t; init_completion(&msginfo->waitevent); @@ -102,15 +101,7 @@ static int vmbus_negotiate_version(struct vmbus_channel_msginfo *msginfo, } /* Wait for the connection response */ - t = wait_for_completion_timeout(&msginfo->waitevent, 5*HZ); - if (t == 0) { - spin_lock_irqsave(&vmbus_connection.channelmsg_lock, - flags); - list_del(&msginfo->msglistentry); - spin_unlock_irqrestore(&vmbus_connection.channelmsg_lock, - flags); - return -ETIMEDOUT; - } + wait_for_completion(&msginfo->waitevent); spin_lock_irqsave(&vmbus_connection.channelmsg_lock, flags); list_del(&msginfo->msglistentry); diff --git a/drivers/hwmon/coretemp.c b/drivers/hwmon/coretemp.c index 658ce3a8717f..0cf25101b3c3 100644 --- a/drivers/hwmon/coretemp.c +++ b/drivers/hwmon/coretemp.c @@ -52,7 +52,7 @@ MODULE_PARM_DESC(tjmax, "TjMax value in degrees Celsius"); #define BASE_SYSFS_ATTR_NO 2 /* Sysfs Base attr no for coretemp */ #define NUM_REAL_CORES 32 /* Number of Real cores per cpu */ -#define CORETEMP_NAME_LENGTH 17 /* String Length of attrs */ +#define CORETEMP_NAME_LENGTH 19 /* String Length of attrs */ #define MAX_CORE_ATTRS 4 /* Maximum no of basic attrs */ #define TOTAL_ATTRS (MAX_CORE_ATTRS + 1) #define MAX_CORE_DATA (NUM_REAL_CORES + BASE_SYSFS_ATTR_NO) diff --git a/drivers/hwmon/hih6130.c b/drivers/hwmon/hih6130.c index 2dc37c7c6947..7d68a08baaa8 100644 --- a/drivers/hwmon/hih6130.c +++ b/drivers/hwmon/hih6130.c @@ -43,6 +43,7 @@ * @last_update: time of last update (jiffies) * @temperature: cached temperature measurement value * @humidity: cached humidity measurement value + * @write_length: length for I2C measurement request */ struct hih6130 { struct device *hwmon_dev; @@ -51,6 +52,7 @@ struct hih6130 { unsigned long last_update; int temperature; int humidity; + size_t write_length; }; /** @@ -121,8 +123,15 @@ static int hih6130_update_measurements(struct i2c_client *client) */ if (time_after(jiffies, hih6130->last_update + HZ) || !hih6130->valid) { - /* write to slave address, no data, to request a measurement */ - ret = i2c_master_send(client, tmp, 0); + /* + * Write to slave address to request a measurement. + * According with the datasheet it should be with no data, but + * for systems with I2C bus drivers that do not allow zero + * length packets we write one dummy byte to allow sensor + * measurements on them. + */ + tmp[0] = 0; + ret = i2c_master_send(client, tmp, hih6130->write_length); if (ret < 0) goto out; @@ -252,6 +261,9 @@ static int hih6130_probe(struct i2c_client *client, goto fail_remove_sysfs; } + if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_QUICK)) + hih6130->write_length = 1; + return 0; fail_remove_sysfs: diff --git a/drivers/hwmon/k10temp.c b/drivers/hwmon/k10temp.c index e633856370cf..9bcf175c4921 100644 --- a/drivers/hwmon/k10temp.c +++ b/drivers/hwmon/k10temp.c @@ -211,6 +211,7 @@ static DEFINE_PCI_DEVICE_TABLE(k10temp_id_table) = { { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_CNB17H_F3) }, { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_15H_NB_F3) }, { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_15H_M10H_F3) }, + { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_15H_M30H_NB_F3) }, { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_16H_NB_F3) }, {} }; diff --git a/drivers/hwmon/lm78.c b/drivers/hwmon/lm78.c index 6cf6bff79003..a2f3b4a365e4 100644 --- a/drivers/hwmon/lm78.c +++ b/drivers/hwmon/lm78.c @@ -94,6 +94,8 @@ static inline u8 FAN_TO_REG(long rpm, int div) { if (rpm <= 0) return 255; + if (rpm > 1350000) + return 1; return clamp_val((1350000 + rpm * div / 2) / (rpm * div), 1, 254); } diff --git a/drivers/hwmon/max1668.c b/drivers/hwmon/max1668.c index a7626358c95d..029b65e6c589 100644 --- a/drivers/hwmon/max1668.c +++ b/drivers/hwmon/max1668.c @@ -243,7 +243,7 @@ static ssize_t set_temp_min(struct device *dev, data->temp_min[index] = clamp_val(temp/1000, -128, 127); if (i2c_smbus_write_byte_data(client, MAX1668_REG_LIML_WR(index), - data->temp_max[index])) + data->temp_min[index])) count = -EIO; mutex_unlock(&data->update_lock); diff --git a/drivers/hwmon/ntc_thermistor.c b/drivers/hwmon/ntc_thermistor.c index d6d640a733d5..9297164a23a5 100644 --- a/drivers/hwmon/ntc_thermistor.c +++ b/drivers/hwmon/ntc_thermistor.c @@ -145,7 +145,7 @@ struct ntc_data { static int ntc_adc_iio_read(struct ntc_thermistor_platform_data *pdata) { struct iio_channel *channel = pdata->chan; - unsigned int result; + s64 result; int val, ret; ret = iio_read_channel_raw(channel, &val); @@ -155,10 +155,10 @@ static int ntc_adc_iio_read(struct ntc_thermistor_platform_data *pdata) } /* unit: mV */ - result = pdata->pullup_uv * val; + result = pdata->pullup_uv * (s64) val; result >>= 12; - return result; + return (int)result; } static const struct of_device_id ntc_match[] = { diff --git a/drivers/hwmon/sis5595.c b/drivers/hwmon/sis5595.c index 1404e6319deb..72a889702f0d 100644 --- a/drivers/hwmon/sis5595.c +++ b/drivers/hwmon/sis5595.c @@ -141,6 +141,8 @@ static inline u8 FAN_TO_REG(long rpm, int div) { if (rpm <= 0) return 255; + if (rpm > 1350000) + return 1; return clamp_val((1350000 + rpm * div / 2) / (rpm * div), 1, 254); } diff --git a/drivers/hwmon/vt8231.c b/drivers/hwmon/vt8231.c index 0e7017841f7d..aee14e2192f8 100644 --- a/drivers/hwmon/vt8231.c +++ b/drivers/hwmon/vt8231.c @@ -145,7 +145,7 @@ static const u8 regtempmin[] = { 0x3a, 0x3e, 0x2c, 0x2e, 0x30, 0x32 }; */ static inline u8 FAN_TO_REG(long rpm, int div) { - if (rpm == 0) + if (rpm <= 0 || rpm > 1310720) return 0; return clamp_val(1310720 / (rpm * div), 1, 255); } diff --git a/drivers/hwmon/w83l786ng.c b/drivers/hwmon/w83l786ng.c index edb06cda5a68..6ed76ceb9270 100644 --- a/drivers/hwmon/w83l786ng.c +++ b/drivers/hwmon/w83l786ng.c @@ -481,9 +481,11 @@ store_pwm(struct device *dev, struct device_attribute *attr, if (err) return err; val = clamp_val(val, 0, 255); + val = DIV_ROUND_CLOSEST(val, 0x11); mutex_lock(&data->update_lock); - data->pwm[nr] = val; + data->pwm[nr] = val * 0x11; + val |= w83l786ng_read_value(client, W83L786NG_REG_PWM[nr]) & 0xf0; w83l786ng_write_value(client, W83L786NG_REG_PWM[nr], val); mutex_unlock(&data->update_lock); return count; @@ -510,7 +512,7 @@ store_pwm_enable(struct device *dev, struct device_attribute *attr, mutex_lock(&data->update_lock); reg = w83l786ng_read_value(client, W83L786NG_REG_FAN_CFG); data->pwm_enable[nr] = val; - reg &= ~(0x02 << W83L786NG_PWM_ENABLE_SHIFT[nr]); + reg &= ~(0x03 << W83L786NG_PWM_ENABLE_SHIFT[nr]); reg |= (val - 1) << W83L786NG_PWM_ENABLE_SHIFT[nr]; w83l786ng_write_value(client, W83L786NG_REG_FAN_CFG, reg); mutex_unlock(&data->update_lock); @@ -776,9 +778,10 @@ static struct w83l786ng_data *w83l786ng_update_device(struct device *dev) ((pwmcfg >> W83L786NG_PWM_MODE_SHIFT[i]) & 1) ? 0 : 1; data->pwm_enable[i] = - ((pwmcfg >> W83L786NG_PWM_ENABLE_SHIFT[i]) & 2) + 1; - data->pwm[i] = w83l786ng_read_value(client, - W83L786NG_REG_PWM[i]); + ((pwmcfg >> W83L786NG_PWM_ENABLE_SHIFT[i]) & 3) + 1; + data->pwm[i] = + (w83l786ng_read_value(client, W83L786NG_REG_PWM[i]) + & 0x0f) * 0x11; } diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig index d2c4cb3521ac..1c0b382ccc41 100644 --- a/drivers/i2c/busses/Kconfig +++ b/drivers/i2c/busses/Kconfig @@ -108,6 +108,7 @@ config I2C_I801 Lynx Point-LP (PCH) Avoton (SOC) Wellsburg (PCH) + Coleto Creek (PCH) This driver can also be built as a module. If so, the module will be called i2c-i801. diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c index 3a6903f63913..4ebceed6bc66 100644 --- a/drivers/i2c/busses/i2c-i801.c +++ b/drivers/i2c/busses/i2c-i801.c @@ -58,6 +58,7 @@ Wellsburg (PCH) MS 0x8d7d 32 hard yes yes yes Wellsburg (PCH) MS 0x8d7e 32 hard yes yes yes Wellsburg (PCH) MS 0x8d7f 32 hard yes yes yes + Coleto Creek (PCH) 0x23b0 32 hard yes yes yes Features supported by this driver: Software PEC no @@ -169,6 +170,7 @@ #define PCI_DEVICE_ID_INTEL_PANTHERPOINT_SMBUS 0x1e22 #define PCI_DEVICE_ID_INTEL_AVOTON_SMBUS 0x1f3c #define PCI_DEVICE_ID_INTEL_DH89XXCC_SMBUS 0x2330 +#define PCI_DEVICE_ID_INTEL_COLETOCREEK_SMBUS 0x23b0 #define PCI_DEVICE_ID_INTEL_5_3400_SERIES_SMBUS 0x3b30 #define PCI_DEVICE_ID_INTEL_LYNXPOINT_SMBUS 0x8c22 #define PCI_DEVICE_ID_INTEL_WELLSBURG_SMBUS 0x8d22 @@ -817,6 +819,7 @@ static DEFINE_PCI_DEVICE_TABLE(i801_ids) = { { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_WELLSBURG_SMBUS_MS0) }, { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_WELLSBURG_SMBUS_MS1) }, { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_WELLSBURG_SMBUS_MS2) }, + { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_COLETOCREEK_SMBUS) }, { 0, } }; diff --git a/drivers/idle/intel_idle.c b/drivers/idle/intel_idle.c index f116d664b473..d47bb0f267f7 100644 --- a/drivers/idle/intel_idle.c +++ b/drivers/idle/intel_idle.c @@ -361,6 +361,9 @@ static int intel_idle(struct cpuidle_device *dev, if (!current_set_polling_and_test()) { + if (this_cpu_has(X86_FEATURE_CLFLUSH_MONITOR)) + clflush((void *)¤t_thread_info()->flags); + __monitor((void *)¤t_thread_info()->flags, 0, 0); smp_mb(); if (!need_resched()) diff --git a/drivers/iio/adc/ad7887.c b/drivers/iio/adc/ad7887.c index dd15a5b0f701..3394ebd410c7 100644 --- a/drivers/iio/adc/ad7887.c +++ b/drivers/iio/adc/ad7887.c @@ -211,7 +211,13 @@ static const struct ad7887_chip_info ad7887_chip_info_tbl[] = { .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE), .address = 1, .scan_index = 1, - .scan_type = IIO_ST('u', 12, 16, 0), + .scan_type = { + .sign = 'u', + .realbits = 12, + .storagebits = 16, + .shift = 0, + .endianness = IIO_BE, + }, }, .channel[1] = { .type = IIO_VOLTAGE, @@ -221,7 +227,13 @@ static const struct ad7887_chip_info ad7887_chip_info_tbl[] = { .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE), .address = 0, .scan_index = 0, - .scan_type = IIO_ST('u', 12, 16, 0), + .scan_type = { + .sign = 'u', + .realbits = 12, + .storagebits = 16, + .shift = 0, + .endianness = IIO_BE, + }, }, .channel[2] = IIO_CHAN_SOFT_TIMESTAMP(2), .int_vref_mv = 2500, diff --git a/drivers/iio/gyro/Kconfig b/drivers/iio/gyro/Kconfig index 6be4628faffe..107cafcb89da 100644 --- a/drivers/iio/gyro/Kconfig +++ b/drivers/iio/gyro/Kconfig @@ -50,7 +50,7 @@ config IIO_ST_GYRO_3AXIS select IIO_ST_GYRO_BUFFER if (IIO_TRIGGERED_BUFFER) help Say yes here to build support for STMicroelectronics gyroscopes: - L3G4200D, LSM330DL, L3GD20, L3GD20H, LSM330DLC, L3G4IS, LSM330. + L3G4200D, LSM330DL, L3GD20, LSM330DLC, L3G4IS, LSM330. This driver can also be built as a module. If so, will be created these modules: diff --git a/drivers/iio/gyro/st_gyro.h b/drivers/iio/gyro/st_gyro.h index 3ad9907bb154..25ee236b1bb2 100644 --- a/drivers/iio/gyro/st_gyro.h +++ b/drivers/iio/gyro/st_gyro.h @@ -19,7 +19,6 @@ #define LSM330DL_GYRO_DEV_NAME "lsm330dl_gyro" #define LSM330DLC_GYRO_DEV_NAME "lsm330dlc_gyro" #define L3GD20_GYRO_DEV_NAME "l3gd20" -#define L3GD20H_GYRO_DEV_NAME "l3gd20h" #define L3G4IS_GYRO_DEV_NAME "l3g4is_ui" #define LSM330_GYRO_DEV_NAME "lsm330_gyro" diff --git a/drivers/iio/gyro/st_gyro_core.c b/drivers/iio/gyro/st_gyro_core.c index fa9b24219987..1fabc3ffe7ee 100644 --- a/drivers/iio/gyro/st_gyro_core.c +++ b/drivers/iio/gyro/st_gyro_core.c @@ -162,11 +162,10 @@ static const struct st_sensors st_gyro_sensors[] = { .wai = ST_GYRO_2_WAI_EXP, .sensors_supported = { [0] = L3GD20_GYRO_DEV_NAME, - [1] = L3GD20H_GYRO_DEV_NAME, - [2] = LSM330D_GYRO_DEV_NAME, - [3] = LSM330DLC_GYRO_DEV_NAME, - [4] = L3G4IS_GYRO_DEV_NAME, - [5] = LSM330_GYRO_DEV_NAME, + [1] = LSM330D_GYRO_DEV_NAME, + [2] = LSM330DLC_GYRO_DEV_NAME, + [3] = L3G4IS_GYRO_DEV_NAME, + [4] = LSM330_GYRO_DEV_NAME, }, .ch = (struct iio_chan_spec *)st_gyro_16bit_channels, .odr = { diff --git a/drivers/iio/gyro/st_gyro_i2c.c b/drivers/iio/gyro/st_gyro_i2c.c index 8a310500573d..c1755ce2da30 100644 --- a/drivers/iio/gyro/st_gyro_i2c.c +++ b/drivers/iio/gyro/st_gyro_i2c.c @@ -61,7 +61,6 @@ static const struct i2c_device_id st_gyro_id_table[] = { { LSM330DL_GYRO_DEV_NAME }, { LSM330DLC_GYRO_DEV_NAME }, { L3GD20_GYRO_DEV_NAME }, - { L3GD20H_GYRO_DEV_NAME }, { L3G4IS_GYRO_DEV_NAME }, { LSM330_GYRO_DEV_NAME }, {}, diff --git a/drivers/iio/gyro/st_gyro_spi.c b/drivers/iio/gyro/st_gyro_spi.c index f3540390eb22..b37fc9e07706 100644 --- a/drivers/iio/gyro/st_gyro_spi.c +++ b/drivers/iio/gyro/st_gyro_spi.c @@ -60,7 +60,6 @@ static const struct spi_device_id st_gyro_id_table[] = { { LSM330DL_GYRO_DEV_NAME }, { LSM330DLC_GYRO_DEV_NAME }, { L3GD20_GYRO_DEV_NAME }, - { L3GD20H_GYRO_DEV_NAME }, { L3G4IS_GYRO_DEV_NAME }, { LSM330_GYRO_DEV_NAME }, {}, diff --git a/drivers/iio/imu/adis16400.h b/drivers/iio/imu/adis16400.h index 2f8f9d632386..0916bf6b6c31 100644 --- a/drivers/iio/imu/adis16400.h +++ b/drivers/iio/imu/adis16400.h @@ -189,6 +189,7 @@ enum { ADIS16300_SCAN_INCLI_X, ADIS16300_SCAN_INCLI_Y, ADIS16400_SCAN_ADC, + ADIS16400_SCAN_TIMESTAMP, }; #ifdef CONFIG_IIO_BUFFER diff --git a/drivers/iio/imu/adis16400_core.c b/drivers/iio/imu/adis16400_core.c index f60591f0b925..d6ece2d17dec 100644 --- a/drivers/iio/imu/adis16400_core.c +++ b/drivers/iio/imu/adis16400_core.c @@ -632,7 +632,7 @@ static const struct iio_chan_spec adis16400_channels[] = { ADIS16400_MAGN_CHAN(Z, ADIS16400_ZMAGN_OUT, 14), ADIS16400_TEMP_CHAN(ADIS16400_TEMP_OUT, 12), ADIS16400_AUX_ADC_CHAN(ADIS16400_AUX_ADC, 12), - IIO_CHAN_SOFT_TIMESTAMP(12) + IIO_CHAN_SOFT_TIMESTAMP(ADIS16400_SCAN_TIMESTAMP), }; static const struct iio_chan_spec adis16448_channels[] = { @@ -651,10 +651,15 @@ static const struct iio_chan_spec adis16448_channels[] = { .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE), .address = ADIS16448_BARO_OUT, .scan_index = ADIS16400_SCAN_BARO, - .scan_type = IIO_ST('s', 16, 16, 0), + .scan_type = { + .sign = 's', + .realbits = 16, + .storagebits = 16, + .endianness = IIO_BE, + }, }, ADIS16400_TEMP_CHAN(ADIS16448_TEMP_OUT, 12), - IIO_CHAN_SOFT_TIMESTAMP(11) + IIO_CHAN_SOFT_TIMESTAMP(ADIS16400_SCAN_TIMESTAMP), }; static const struct iio_chan_spec adis16350_channels[] = { @@ -672,7 +677,7 @@ static const struct iio_chan_spec adis16350_channels[] = { ADIS16400_MOD_TEMP_CHAN(X, ADIS16350_XTEMP_OUT, 12), ADIS16400_MOD_TEMP_CHAN(Y, ADIS16350_YTEMP_OUT, 12), ADIS16400_MOD_TEMP_CHAN(Z, ADIS16350_ZTEMP_OUT, 12), - IIO_CHAN_SOFT_TIMESTAMP(11) + IIO_CHAN_SOFT_TIMESTAMP(ADIS16400_SCAN_TIMESTAMP), }; static const struct iio_chan_spec adis16300_channels[] = { @@ -685,7 +690,7 @@ static const struct iio_chan_spec adis16300_channels[] = { ADIS16400_AUX_ADC_CHAN(ADIS16300_AUX_ADC, 12), ADIS16400_INCLI_CHAN(X, ADIS16300_PITCH_OUT, 13), ADIS16400_INCLI_CHAN(Y, ADIS16300_ROLL_OUT, 13), - IIO_CHAN_SOFT_TIMESTAMP(14) + IIO_CHAN_SOFT_TIMESTAMP(ADIS16400_SCAN_TIMESTAMP), }; static const struct iio_chan_spec adis16334_channels[] = { @@ -696,7 +701,7 @@ static const struct iio_chan_spec adis16334_channels[] = { ADIS16400_ACCEL_CHAN(Y, ADIS16400_YACCL_OUT, 14), ADIS16400_ACCEL_CHAN(Z, ADIS16400_ZACCL_OUT, 14), ADIS16400_TEMP_CHAN(ADIS16350_XTEMP_OUT, 12), - IIO_CHAN_SOFT_TIMESTAMP(8) + IIO_CHAN_SOFT_TIMESTAMP(ADIS16400_SCAN_TIMESTAMP), }; static struct attribute *adis16400_attributes[] = { diff --git a/drivers/infiniband/hw/qib/qib_iba7322.c b/drivers/infiniband/hw/qib/qib_iba7322.c index bd8cb0f89ef1..14103ffb4839 100644 --- a/drivers/infiniband/hw/qib/qib_iba7322.c +++ b/drivers/infiniband/hw/qib/qib_iba7322.c @@ -2287,6 +2287,11 @@ static int qib_7322_bringup_serdes(struct qib_pportdata *ppd) qib_write_kreg_port(ppd, krp_ibcctrl_a, ppd->cpspec->ibcctrl_a); qib_write_kreg(dd, kr_scratch, 0ULL); + /* ensure previous Tx parameters are not still forced */ + qib_write_kreg_port(ppd, krp_tx_deemph_override, + SYM_MASK(IBSD_TX_DEEMPHASIS_OVERRIDE_0, + reset_tx_deemphasis_override)); + if (qib_compat_ddr_negotiate) { ppd->cpspec->ibdeltainprog = 1; ppd->cpspec->ibsymsnap = read_7322_creg32_port(ppd, diff --git a/drivers/infiniband/hw/qib/qib_ud.c b/drivers/infiniband/hw/qib/qib_ud.c index d6c7fe7f88d5..3ad651c3356c 100644 --- a/drivers/infiniband/hw/qib/qib_ud.c +++ b/drivers/infiniband/hw/qib/qib_ud.c @@ -57,13 +57,20 @@ static void qib_ud_loopback(struct qib_qp *sqp, struct qib_swqe *swqe) struct qib_sge *sge; struct ib_wc wc; u32 length; + enum ib_qp_type sqptype, dqptype; qp = qib_lookup_qpn(ibp, swqe->wr.wr.ud.remote_qpn); if (!qp) { ibp->n_pkt_drops++; return; } - if (qp->ibqp.qp_type != sqp->ibqp.qp_type || + + sqptype = sqp->ibqp.qp_type == IB_QPT_GSI ? + IB_QPT_UD : sqp->ibqp.qp_type; + dqptype = qp->ibqp.qp_type == IB_QPT_GSI ? + IB_QPT_UD : qp->ibqp.qp_type; + + if (dqptype != sqptype || !(ib_qib_state_ops[qp->state] & QIB_PROCESS_RECV_OK)) { ibp->n_pkt_drops++; goto drop; diff --git a/drivers/infiniband/hw/qib/qib_user_sdma.c b/drivers/infiniband/hw/qib/qib_user_sdma.c index 82442085cbe6..573b4601d5b9 100644 --- a/drivers/infiniband/hw/qib/qib_user_sdma.c +++ b/drivers/infiniband/hw/qib/qib_user_sdma.c @@ -284,8 +284,7 @@ static int qib_user_sdma_pin_pages(const struct qib_devdata *dd, int j; int ret; - ret = get_user_pages(current, current->mm, addr, - npages, 0, 1, pages, NULL); + ret = get_user_pages_fast(addr, npages, 0, pages); if (ret != npages) { int i; @@ -830,10 +829,7 @@ int qib_user_sdma_writev(struct qib_ctxtdata *rcd, while (dim) { const int mxp = 8; - down_write(¤t->mm->mmap_sem); ret = qib_user_sdma_queue_pkts(dd, pq, &list, iov, dim, mxp); - up_write(¤t->mm->mmap_sem); - if (ret <= 0) goto done_unlock; else { diff --git a/drivers/infiniband/ulp/isert/ib_isert.c b/drivers/infiniband/ulp/isert/ib_isert.c index 5849dc0726b9..6fc283a041d6 100644 --- a/drivers/infiniband/ulp/isert/ib_isert.c +++ b/drivers/infiniband/ulp/isert/ib_isert.c @@ -242,21 +242,29 @@ isert_create_device_ib_res(struct isert_device *device) isert_cq_event_callback, (void *)&cq_desc[i], ISER_MAX_RX_CQ_LEN, i); - if (IS_ERR(device->dev_rx_cq[i])) + if (IS_ERR(device->dev_rx_cq[i])) { + ret = PTR_ERR(device->dev_rx_cq[i]); + device->dev_rx_cq[i] = NULL; goto out_cq; + } device->dev_tx_cq[i] = ib_create_cq(device->ib_device, isert_cq_tx_callback, isert_cq_event_callback, (void *)&cq_desc[i], ISER_MAX_TX_CQ_LEN, i); - if (IS_ERR(device->dev_tx_cq[i])) + if (IS_ERR(device->dev_tx_cq[i])) { + ret = PTR_ERR(device->dev_tx_cq[i]); + device->dev_tx_cq[i] = NULL; goto out_cq; + } - if (ib_req_notify_cq(device->dev_rx_cq[i], IB_CQ_NEXT_COMP)) + ret = ib_req_notify_cq(device->dev_rx_cq[i], IB_CQ_NEXT_COMP); + if (ret) goto out_cq; - if (ib_req_notify_cq(device->dev_tx_cq[i], IB_CQ_NEXT_COMP)) + ret = ib_req_notify_cq(device->dev_tx_cq[i], IB_CQ_NEXT_COMP); + if (ret) goto out_cq; } diff --git a/drivers/input/input.c b/drivers/input/input.c index 32ff480410b6..f2bec0536b22 100644 --- a/drivers/input/input.c +++ b/drivers/input/input.c @@ -1907,6 +1907,10 @@ void input_set_capability(struct input_dev *dev, unsigned int type, unsigned int break; case EV_ABS: + input_alloc_absinfo(dev); + if (!dev->absinfo) + return; + __set_bit(code, dev->absbit); break; diff --git a/drivers/input/joystick/xpad.c b/drivers/input/joystick/xpad.c index 5e98217427c8..264a1af2d2a5 100644 --- a/drivers/input/joystick/xpad.c +++ b/drivers/input/joystick/xpad.c @@ -169,6 +169,7 @@ static const struct xpad_device { { 0x1430, 0x8888, "TX6500+ Dance Pad (first generation)", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX }, { 0x146b, 0x0601, "BigBen Interactive XBOX 360 Controller", 0, XTYPE_XBOX360 }, { 0x1689, 0xfd00, "Razer Onza Tournament Edition", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX360 }, + { 0x1689, 0xfd01, "Razer Onza Classic Edition", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX360 }, { 0x1bad, 0x0002, "Harmonix Rock Band Guitar", 0, XTYPE_XBOX360 }, { 0x1bad, 0x0003, "Harmonix Rock Band Drumkit", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX360 }, { 0x1bad, 0xf016, "Mad Catz Xbox 360 Controller", 0, XTYPE_XBOX360 }, diff --git a/drivers/input/misc/arizona-haptics.c b/drivers/input/misc/arizona-haptics.c index 7a04f54ef961..e7e12a5f5c2d 100644 --- a/drivers/input/misc/arizona-haptics.c +++ b/drivers/input/misc/arizona-haptics.c @@ -77,16 +77,14 @@ static void arizona_haptics_work(struct work_struct *work) return; } + mutex_unlock(dapm_mutex); + ret = snd_soc_dapm_sync(arizona->dapm); if (ret != 0) { dev_err(arizona->dev, "Failed to sync DAPM: %d\n", ret); - mutex_unlock(dapm_mutex); return; } - - mutex_unlock(dapm_mutex); - } else { /* This disable sequence will be a noop if already enabled */ mutex_lock_nested(dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME); @@ -99,16 +97,15 @@ static void arizona_haptics_work(struct work_struct *work) return; } + mutex_unlock(dapm_mutex); + ret = snd_soc_dapm_sync(arizona->dapm); if (ret != 0) { dev_err(arizona->dev, "Failed to sync DAPM: %d\n", ret); - mutex_unlock(dapm_mutex); return; } - mutex_unlock(dapm_mutex); - ret = regmap_update_bits(arizona->regmap, ARIZONA_HAPTICS_CONTROL_1, ARIZONA_HAP_CTRL_MASK, diff --git a/drivers/input/touchscreen/usbtouchscreen.c b/drivers/input/touchscreen/usbtouchscreen.c index ae4b6b903629..5f87bed05467 100644 --- a/drivers/input/touchscreen/usbtouchscreen.c +++ b/drivers/input/touchscreen/usbtouchscreen.c @@ -106,6 +106,7 @@ struct usbtouch_device_info { struct usbtouch_usb { unsigned char *data; dma_addr_t data_dma; + int data_size; unsigned char *buffer; int buf_len; struct urb *irq; @@ -1521,7 +1522,7 @@ static int usbtouch_reset_resume(struct usb_interface *intf) static void usbtouch_free_buffers(struct usb_device *udev, struct usbtouch_usb *usbtouch) { - usb_free_coherent(udev, usbtouch->type->rept_size, + usb_free_coherent(udev, usbtouch->data_size, usbtouch->data, usbtouch->data_dma); kfree(usbtouch->buffer); } @@ -1566,7 +1567,20 @@ static int usbtouch_probe(struct usb_interface *intf, if (!type->process_pkt) type->process_pkt = usbtouch_process_pkt; - usbtouch->data = usb_alloc_coherent(udev, type->rept_size, + usbtouch->data_size = type->rept_size; + if (type->get_pkt_len) { + /* + * When dealing with variable-length packets we should + * not request more than wMaxPacketSize bytes at once + * as we do not know if there is more data coming or + * we filled exactly wMaxPacketSize bytes and there is + * nothing else. + */ + usbtouch->data_size = min(usbtouch->data_size, + usb_endpoint_maxp(endpoint)); + } + + usbtouch->data = usb_alloc_coherent(udev, usbtouch->data_size, GFP_KERNEL, &usbtouch->data_dma); if (!usbtouch->data) goto out_free; @@ -1626,12 +1640,12 @@ static int usbtouch_probe(struct usb_interface *intf, if (usb_endpoint_type(endpoint) == USB_ENDPOINT_XFER_INT) usb_fill_int_urb(usbtouch->irq, udev, usb_rcvintpipe(udev, endpoint->bEndpointAddress), - usbtouch->data, type->rept_size, + usbtouch->data, usbtouch->data_size, usbtouch_irq, usbtouch, endpoint->bInterval); else usb_fill_bulk_urb(usbtouch->irq, udev, usb_rcvbulkpipe(udev, endpoint->bEndpointAddress), - usbtouch->data, type->rept_size, + usbtouch->data, usbtouch->data_size, usbtouch_irq, usbtouch); usbtouch->irq->dev = udev; diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c index 25943a683d15..6771e3c94801 100644 --- a/drivers/iommu/intel-iommu.c +++ b/drivers/iommu/intel-iommu.c @@ -917,7 +917,7 @@ static void dma_pte_free_level(struct dmar_domain *domain, int level, /* If range covers entire pagetable, free it */ if (!(start_pfn > level_pfn || - last_pfn < level_pfn + level_size(level))) { + last_pfn < level_pfn + level_size(level) - 1)) { dma_clear_pte(pte); domain_flush_cache(domain, pte, sizeof(*pte)); free_pgtable_page(level_pte); diff --git a/drivers/irqchip/irq-armada-370-xp.c b/drivers/irqchip/irq-armada-370-xp.c index bb328a366122..a51ee009ed83 100644 --- a/drivers/irqchip/irq-armada-370-xp.c +++ b/drivers/irqchip/irq-armada-370-xp.c @@ -229,7 +229,7 @@ armada_370_xp_handle_irq(struct pt_regs *regs) ARMADA_370_XP_IN_DRBEL_CAUSE_OFFS) & IPI_DOORBELL_MASK; - writel(~IPI_DOORBELL_MASK, per_cpu_int_base + + writel(~ipimask, per_cpu_int_base + ARMADA_370_XP_IN_DRBEL_CAUSE_OFFS); /* Handle all pending doorbells */ diff --git a/drivers/irqchip/irq-metag-ext.c b/drivers/irqchip/irq-metag-ext.c index 92c41ab4dbfd..2cb474ad8809 100644 --- a/drivers/irqchip/irq-metag-ext.c +++ b/drivers/irqchip/irq-metag-ext.c @@ -515,7 +515,7 @@ static int meta_intc_set_affinity(struct irq_data *data, * one cpu (the interrupt code doesn't support it), so we just * pick the first cpu we find in 'cpumask'. */ - cpu = cpumask_any(cpumask); + cpu = cpumask_any_and(cpumask, cpu_online_mask); thread = cpu_2_hwthread_id[cpu]; metag_out32(TBI_TRIG_VEC(TBID_SIGNUM_TR2(thread)), vec_addr); diff --git a/drivers/irqchip/irq-metag.c b/drivers/irqchip/irq-metag.c index 8e94d7a3b20d..c16c186d97d3 100644 --- a/drivers/irqchip/irq-metag.c +++ b/drivers/irqchip/irq-metag.c @@ -201,7 +201,7 @@ static int metag_internal_irq_set_affinity(struct irq_data *data, * one cpu (the interrupt code doesn't support it), so we just * pick the first cpu we find in 'cpumask'. */ - cpu = cpumask_any(cpumask); + cpu = cpumask_any_and(cpumask, cpu_online_mask); thread = cpu_2_hwthread_id[cpu]; metag_out32(TBI_TRIG_VEC(TBID_SIGNUM_TR1(thread)), diff --git a/drivers/irqchip/irq-renesas-irqc.c b/drivers/irqchip/irq-renesas-irqc.c index 927bff373aac..2f404ba61c6c 100644 --- a/drivers/irqchip/irq-renesas-irqc.c +++ b/drivers/irqchip/irq-renesas-irqc.c @@ -248,8 +248,8 @@ static int irqc_probe(struct platform_device *pdev) return 0; err3: - for (; k >= 0; k--) - free_irq(p->irq[k - 1].requested_irq, &p->irq[k - 1]); + while (--k >= 0) + free_irq(p->irq[k].requested_irq, &p->irq[k]); irq_domain_remove(p->irq_domain); err2: diff --git a/drivers/md/Kconfig b/drivers/md/Kconfig index 3bfc8f1da9fe..29cff90096ad 100644 --- a/drivers/md/Kconfig +++ b/drivers/md/Kconfig @@ -176,8 +176,12 @@ config MD_FAULTY source "drivers/md/bcache/Kconfig" +config BLK_DEV_DM_BUILTIN + boolean + config BLK_DEV_DM tristate "Device mapper support" + select BLK_DEV_DM_BUILTIN ---help--- Device-mapper is a low level volume manager. It works by allowing people to specify mappings for ranges of logical sectors. Various diff --git a/drivers/md/Makefile b/drivers/md/Makefile index 1439fd4ad9b1..3591a7292381 100644 --- a/drivers/md/Makefile +++ b/drivers/md/Makefile @@ -32,6 +32,7 @@ obj-$(CONFIG_MD_FAULTY) += faulty.o obj-$(CONFIG_BCACHE) += bcache/ obj-$(CONFIG_BLK_DEV_MD) += md-mod.o obj-$(CONFIG_BLK_DEV_DM) += dm-mod.o +obj-$(CONFIG_BLK_DEV_DM_BUILTIN) += dm-builtin.o obj-$(CONFIG_DM_BUFIO) += dm-bufio.o obj-$(CONFIG_DM_BIO_PRISON) += dm-bio-prison.o obj-$(CONFIG_DM_CRYPT) += dm-crypt.o diff --git a/drivers/md/bcache/bset.c b/drivers/md/bcache/bset.c index 14032e8c7731..1b27cbd822e1 100644 --- a/drivers/md/bcache/bset.c +++ b/drivers/md/bcache/bset.c @@ -927,7 +927,7 @@ static void sort_key_next(struct btree_iter *iter, *i = iter->data[--iter->used]; } -static void btree_sort_fixup(struct btree_iter *iter) +static struct bkey *btree_sort_fixup(struct btree_iter *iter, struct bkey *tmp) { while (iter->used > 1) { struct btree_iter_set *top = iter->data, *i = top + 1; @@ -955,9 +955,22 @@ static void btree_sort_fixup(struct btree_iter *iter) } else { /* can't happen because of comparison func */ BUG_ON(!bkey_cmp(&START_KEY(top->k), &START_KEY(i->k))); - bch_cut_back(&START_KEY(i->k), top->k); + + if (bkey_cmp(i->k, top->k) < 0) { + bkey_copy(tmp, top->k); + + bch_cut_back(&START_KEY(i->k), tmp); + bch_cut_front(i->k, top->k); + heap_sift(iter, 0, btree_iter_cmp); + + return tmp; + } else { + bch_cut_back(&START_KEY(i->k), top->k); + } } } + + return NULL; } static void btree_mergesort(struct btree *b, struct bset *out, @@ -965,15 +978,20 @@ static void btree_mergesort(struct btree *b, struct bset *out, bool fixup, bool remove_stale) { struct bkey *k, *last = NULL; + BKEY_PADDED(k) tmp; bool (*bad)(struct btree *, const struct bkey *) = remove_stale ? bch_ptr_bad : bch_ptr_invalid; while (!btree_iter_end(iter)) { if (fixup && !b->level) - btree_sort_fixup(iter); + k = btree_sort_fixup(iter, &tmp.k); + else + k = NULL; + + if (!k) + k = bch_btree_iter_next(iter); - k = bch_btree_iter_next(iter); if (bad(b, k)) continue; diff --git a/drivers/md/dm-bufio.c b/drivers/md/dm-bufio.c index 0387e05cdb98..a6e985fcceb8 100644 --- a/drivers/md/dm-bufio.c +++ b/drivers/md/dm-bufio.c @@ -1660,6 +1660,11 @@ static int __init dm_bufio_init(void) { __u64 mem; + dm_bufio_allocated_kmem_cache = 0; + dm_bufio_allocated_get_free_pages = 0; + dm_bufio_allocated_vmalloc = 0; + dm_bufio_current_allocated = 0; + memset(&dm_bufio_caches, 0, sizeof dm_bufio_caches); memset(&dm_bufio_cache_names, 0, sizeof dm_bufio_cache_names); diff --git a/drivers/md/dm-builtin.c b/drivers/md/dm-builtin.c new file mode 100644 index 000000000000..6c9049c51b2b --- /dev/null +++ b/drivers/md/dm-builtin.c @@ -0,0 +1,48 @@ +#include "dm.h" + +/* + * The kobject release method must not be placed in the module itself, + * otherwise we are subject to module unload races. + * + * The release method is called when the last reference to the kobject is + * dropped. It may be called by any other kernel code that drops the last + * reference. + * + * The release method suffers from module unload race. We may prevent the + * module from being unloaded at the start of the release method (using + * increased module reference count or synchronizing against the release + * method), however there is no way to prevent the module from being + * unloaded at the end of the release method. + * + * If this code were placed in the dm module, the following race may + * happen: + * 1. Some other process takes a reference to dm kobject + * 2. The user issues ioctl function to unload the dm device + * 3. dm_sysfs_exit calls kobject_put, however the object is not released + * because of the other reference taken at step 1 + * 4. dm_sysfs_exit waits on the completion + * 5. The other process that took the reference in step 1 drops it, + * dm_kobject_release is called from this process + * 6. dm_kobject_release calls complete() + * 7. a reschedule happens before dm_kobject_release returns + * 8. dm_sysfs_exit continues, the dm device is unloaded, module reference + * count is decremented + * 9. The user unloads the dm module + * 10. The other process that was rescheduled in step 7 continues to run, + * it is now executing code in unloaded module, so it crashes + * + * Note that if the process that takes the foreign reference to dm kobject + * has a low priority and the system is sufficiently loaded with + * higher-priority processes that prevent the low-priority process from + * being scheduled long enough, this bug may really happen. + * + * In order to fix this module unload race, we place the release method + * into a helper code that is compiled directly into the kernel. + */ + +void dm_kobject_release(struct kobject *kobj) +{ + complete(dm_get_completion_from_kobject(kobj)); +} + +EXPORT_SYMBOL(dm_kobject_release); diff --git a/drivers/md/dm-delay.c b/drivers/md/dm-delay.c index 496d5f3646a5..2f91d6d4a2cc 100644 --- a/drivers/md/dm-delay.c +++ b/drivers/md/dm-delay.c @@ -20,6 +20,7 @@ struct delay_c { struct timer_list delay_timer; struct mutex timer_lock; + struct workqueue_struct *kdelayd_wq; struct work_struct flush_expired_bios; struct list_head delayed_bios; atomic_t may_delay; @@ -45,14 +46,13 @@ struct dm_delay_info { static DEFINE_MUTEX(delayed_bios_lock); -static struct workqueue_struct *kdelayd_wq; static struct kmem_cache *delayed_cache; static void handle_delayed_timer(unsigned long data) { struct delay_c *dc = (struct delay_c *)data; - queue_work(kdelayd_wq, &dc->flush_expired_bios); + queue_work(dc->kdelayd_wq, &dc->flush_expired_bios); } static void queue_timeout(struct delay_c *dc, unsigned long expires) @@ -191,6 +191,12 @@ out: goto bad_dev_write; } + dc->kdelayd_wq = alloc_workqueue("kdelayd", WQ_MEM_RECLAIM, 0); + if (!dc->kdelayd_wq) { + DMERR("Couldn't start kdelayd"); + goto bad_queue; + } + setup_timer(&dc->delay_timer, handle_delayed_timer, (unsigned long)dc); INIT_WORK(&dc->flush_expired_bios, flush_expired_bios); @@ -203,6 +209,8 @@ out: ti->private = dc; return 0; +bad_queue: + mempool_destroy(dc->delayed_pool); bad_dev_write: if (dc->dev_write) dm_put_device(ti, dc->dev_write); @@ -217,7 +225,7 @@ static void delay_dtr(struct dm_target *ti) { struct delay_c *dc = ti->private; - flush_workqueue(kdelayd_wq); + destroy_workqueue(dc->kdelayd_wq); dm_put_device(ti, dc->dev_read); @@ -350,12 +358,6 @@ static int __init dm_delay_init(void) { int r = -ENOMEM; - kdelayd_wq = alloc_workqueue("kdelayd", WQ_MEM_RECLAIM, 0); - if (!kdelayd_wq) { - DMERR("Couldn't start kdelayd"); - goto bad_queue; - } - delayed_cache = KMEM_CACHE(dm_delay_info, 0); if (!delayed_cache) { DMERR("Couldn't create delayed bio cache."); @@ -373,8 +375,6 @@ static int __init dm_delay_init(void) bad_register: kmem_cache_destroy(delayed_cache); bad_memcache: - destroy_workqueue(kdelayd_wq); -bad_queue: return r; } @@ -382,7 +382,6 @@ static void __exit dm_delay_exit(void) { dm_unregister_target(&delay_target); kmem_cache_destroy(delayed_cache); - destroy_workqueue(kdelayd_wq); } /* Module hooks */ diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c index eb7ddb20fd48..0ba21b0f3972 100644 --- a/drivers/md/dm-mpath.c +++ b/drivers/md/dm-mpath.c @@ -1608,8 +1608,11 @@ static int multipath_ioctl(struct dm_target *ti, unsigned int cmd, /* * Only pass ioctls through if the device sizes match exactly. */ - if (!r && ti->len != i_size_read(bdev->bd_inode) >> SECTOR_SHIFT) - r = scsi_verify_blk_ioctl(NULL, cmd); + if (!bdev || ti->len != i_size_read(bdev->bd_inode) >> SECTOR_SHIFT) { + int err = scsi_verify_blk_ioctl(NULL, cmd); + if (err) + r = err; + } if (r == -ENOTCONN && !fatal_signal_pending(current)) queue_work(kmultipathd, &m->process_queued_ios); diff --git a/drivers/md/dm-snap.c b/drivers/md/dm-snap.c index aec57d76db5d..944690bafd93 100644 --- a/drivers/md/dm-snap.c +++ b/drivers/md/dm-snap.c @@ -66,6 +66,18 @@ struct dm_snapshot { atomic_t pending_exceptions_count; + /* Protected by "lock" */ + sector_t exception_start_sequence; + + /* Protected by kcopyd single-threaded callback */ + sector_t exception_complete_sequence; + + /* + * A list of pending exceptions that completed out of order. + * Protected by kcopyd single-threaded callback. + */ + struct list_head out_of_order_list; + mempool_t *pending_pool; struct dm_exception_table pending; @@ -173,6 +185,14 @@ struct dm_snap_pending_exception { */ int started; + /* There was copying error. */ + int copy_error; + + /* A sequence number, it is used for in-order completion. */ + sector_t exception_sequence; + + struct list_head out_of_order_entry; + /* * For writing a complete chunk, bypassing the copy. */ @@ -1094,6 +1114,9 @@ static int snapshot_ctr(struct dm_target *ti, unsigned int argc, char **argv) s->valid = 1; s->active = 0; atomic_set(&s->pending_exceptions_count, 0); + s->exception_start_sequence = 0; + s->exception_complete_sequence = 0; + INIT_LIST_HEAD(&s->out_of_order_list); init_rwsem(&s->lock); INIT_LIST_HEAD(&s->list); spin_lock_init(&s->pe_lock); @@ -1443,6 +1466,19 @@ static void commit_callback(void *context, int success) pending_complete(pe, success); } +static void complete_exception(struct dm_snap_pending_exception *pe) +{ + struct dm_snapshot *s = pe->snap; + + if (unlikely(pe->copy_error)) + pending_complete(pe, 0); + + else + /* Update the metadata if we are persistent */ + s->store->type->commit_exception(s->store, &pe->e, + commit_callback, pe); +} + /* * Called when the copy I/O has finished. kcopyd actually runs * this code so don't block. @@ -1452,13 +1488,32 @@ static void copy_callback(int read_err, unsigned long write_err, void *context) struct dm_snap_pending_exception *pe = context; struct dm_snapshot *s = pe->snap; - if (read_err || write_err) - pending_complete(pe, 0); + pe->copy_error = read_err || write_err; - else - /* Update the metadata if we are persistent */ - s->store->type->commit_exception(s->store, &pe->e, - commit_callback, pe); + if (pe->exception_sequence == s->exception_complete_sequence) { + s->exception_complete_sequence++; + complete_exception(pe); + + while (!list_empty(&s->out_of_order_list)) { + pe = list_entry(s->out_of_order_list.next, + struct dm_snap_pending_exception, out_of_order_entry); + if (pe->exception_sequence != s->exception_complete_sequence) + break; + s->exception_complete_sequence++; + list_del(&pe->out_of_order_entry); + complete_exception(pe); + } + } else { + struct list_head *lh; + struct dm_snap_pending_exception *pe2; + + list_for_each_prev(lh, &s->out_of_order_list) { + pe2 = list_entry(lh, struct dm_snap_pending_exception, out_of_order_entry); + if (pe2->exception_sequence < pe->exception_sequence) + break; + } + list_add(&pe->out_of_order_entry, lh); + } } /* @@ -1553,6 +1608,8 @@ __find_pending_exception(struct dm_snapshot *s, return NULL; } + pe->exception_sequence = s->exception_start_sequence++; + dm_insert_exception(&s->pending, &pe->e); return pe; @@ -2192,7 +2249,7 @@ static struct target_type origin_target = { static struct target_type snapshot_target = { .name = "snapshot", - .version = {1, 11, 1}, + .version = {1, 12, 0}, .module = THIS_MODULE, .ctr = snapshot_ctr, .dtr = snapshot_dtr, diff --git a/drivers/md/dm-sysfs.c b/drivers/md/dm-sysfs.c index 84d2b91e4efb..c62c5ab6aed5 100644 --- a/drivers/md/dm-sysfs.c +++ b/drivers/md/dm-sysfs.c @@ -86,6 +86,7 @@ static const struct sysfs_ops dm_sysfs_ops = { static struct kobj_type dm_ktype = { .sysfs_ops = &dm_sysfs_ops, .default_attrs = dm_attrs, + .release = dm_kobject_release, }; /* @@ -104,5 +105,7 @@ int dm_sysfs_init(struct mapped_device *md) */ void dm_sysfs_exit(struct mapped_device *md) { - kobject_put(dm_kobject(md)); + struct kobject *kobj = dm_kobject(md); + kobject_put(kobj); + wait_for_completion(dm_get_completion_from_kobject(kobj)); } diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c index 9e3a045eb7a2..bd88d3dade1e 100644 --- a/drivers/md/dm-table.c +++ b/drivers/md/dm-table.c @@ -215,6 +215,11 @@ int dm_table_create(struct dm_table **result, fmode_t mode, num_targets = dm_round_up(num_targets, KEYS_PER_NODE); + if (!num_targets) { + kfree(t); + return -ENOMEM; + } + if (alloc_targets(t, num_targets)) { kfree(t); return -ENOMEM; diff --git a/drivers/md/dm-thin-metadata.c b/drivers/md/dm-thin-metadata.c index 60bce435f4fa..5f49d704f275 100644 --- a/drivers/md/dm-thin-metadata.c +++ b/drivers/md/dm-thin-metadata.c @@ -1349,6 +1349,12 @@ dm_thin_id dm_thin_dev_id(struct dm_thin_device *td) return td->id; } +/* + * Check whether @time (of block creation) is older than @td's last snapshot. + * If so then the associated block is shared with the last snapshot device. + * Any block on a device created *after* the device last got snapshotted is + * necessarily not shared. + */ static bool __snapshotted_since(struct dm_thin_device *td, uint32_t time) { return td->snapshotted_time > time; @@ -1458,6 +1464,20 @@ int dm_thin_remove_block(struct dm_thin_device *td, dm_block_t block) return r; } +int dm_pool_block_is_used(struct dm_pool_metadata *pmd, dm_block_t b, bool *result) +{ + int r; + uint32_t ref_count; + + down_read(&pmd->root_lock); + r = dm_sm_get_count(pmd->data_sm, b, &ref_count); + if (!r) + *result = (ref_count != 0); + up_read(&pmd->root_lock); + + return r; +} + bool dm_thin_changed_this_transaction(struct dm_thin_device *td) { int r; @@ -1469,6 +1489,23 @@ bool dm_thin_changed_this_transaction(struct dm_thin_device *td) return r; } +bool dm_pool_changed_this_transaction(struct dm_pool_metadata *pmd) +{ + bool r = false; + struct dm_thin_device *td, *tmp; + + down_read(&pmd->root_lock); + list_for_each_entry_safe(td, tmp, &pmd->thin_devices, list) { + if (td->changed) { + r = td->changed; + break; + } + } + up_read(&pmd->root_lock); + + return r; +} + bool dm_thin_aborted_changes(struct dm_thin_device *td) { bool r; diff --git a/drivers/md/dm-thin-metadata.h b/drivers/md/dm-thin-metadata.h index 845ebbe589a9..8f4d62baf09b 100644 --- a/drivers/md/dm-thin-metadata.h +++ b/drivers/md/dm-thin-metadata.h @@ -161,6 +161,8 @@ int dm_thin_remove_block(struct dm_thin_device *td, dm_block_t block); */ bool dm_thin_changed_this_transaction(struct dm_thin_device *td); +bool dm_pool_changed_this_transaction(struct dm_pool_metadata *pmd); + bool dm_thin_aborted_changes(struct dm_thin_device *td); int dm_thin_get_highest_mapped_block(struct dm_thin_device *td, @@ -181,6 +183,8 @@ int dm_pool_get_data_block_size(struct dm_pool_metadata *pmd, sector_t *result); int dm_pool_get_data_dev_size(struct dm_pool_metadata *pmd, dm_block_t *result); +int dm_pool_block_is_used(struct dm_pool_metadata *pmd, dm_block_t b, bool *result); + /* * Returns -ENOSPC if the new size is too small and already allocated * blocks would be lost. diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c index 88f2f802d528..901aac27e522 100644 --- a/drivers/md/dm-thin.c +++ b/drivers/md/dm-thin.c @@ -512,6 +512,7 @@ struct dm_thin_new_mapping { unsigned quiesced:1; unsigned prepared:1; unsigned pass_discard:1; + unsigned definitely_not_shared:1; struct thin_c *tc; dm_block_t virt_block; @@ -640,7 +641,9 @@ static void process_prepared_mapping(struct dm_thin_new_mapping *m) */ r = dm_thin_insert_block(tc->td, m->virt_block, m->data_block); if (r) { - DMERR_LIMIT("dm_thin_insert_block() failed"); + DMERR_LIMIT("%s: dm_thin_insert_block() failed: error = %d", + dm_device_name(pool->pool_md), r); + set_pool_mode(pool, PM_READ_ONLY); cell_error(pool, m->cell); goto out; } @@ -681,7 +684,15 @@ static void process_prepared_discard_passdown(struct dm_thin_new_mapping *m) cell_defer_no_holder(tc, m->cell2); if (m->pass_discard) - remap_and_issue(tc, m->bio, m->data_block); + if (m->definitely_not_shared) + remap_and_issue(tc, m->bio, m->data_block); + else { + bool used = false; + if (dm_pool_block_is_used(tc->pool->pmd, m->data_block, &used) || used) + bio_endio(m->bio, 0); + else + remap_and_issue(tc, m->bio, m->data_block); + } else bio_endio(m->bio, 0); @@ -749,13 +760,17 @@ static int ensure_next_mapping(struct pool *pool) static struct dm_thin_new_mapping *get_next_mapping(struct pool *pool) { - struct dm_thin_new_mapping *r = pool->next_mapping; + struct dm_thin_new_mapping *m = pool->next_mapping; BUG_ON(!pool->next_mapping); + memset(m, 0, sizeof(struct dm_thin_new_mapping)); + INIT_LIST_HEAD(&m->list); + m->bio = NULL; + pool->next_mapping = NULL; - return r; + return m; } static void schedule_copy(struct thin_c *tc, dm_block_t virt_block, @@ -767,15 +782,10 @@ static void schedule_copy(struct thin_c *tc, dm_block_t virt_block, struct pool *pool = tc->pool; struct dm_thin_new_mapping *m = get_next_mapping(pool); - INIT_LIST_HEAD(&m->list); - m->quiesced = 0; - m->prepared = 0; m->tc = tc; m->virt_block = virt_block; m->data_block = data_dest; m->cell = cell; - m->err = 0; - m->bio = NULL; if (!dm_deferred_set_add_work(pool->shared_read_ds, &m->list)) m->quiesced = 1; @@ -838,15 +848,12 @@ static void schedule_zero(struct thin_c *tc, dm_block_t virt_block, struct pool *pool = tc->pool; struct dm_thin_new_mapping *m = get_next_mapping(pool); - INIT_LIST_HEAD(&m->list); m->quiesced = 1; m->prepared = 0; m->tc = tc; m->virt_block = virt_block; m->data_block = data_block; m->cell = cell; - m->err = 0; - m->bio = NULL; /* * If the whole block of data is being overwritten or we are not @@ -1030,12 +1037,12 @@ static void process_discard(struct thin_c *tc, struct bio *bio) */ m = get_next_mapping(pool); m->tc = tc; - m->pass_discard = (!lookup_result.shared) && pool->pf.discard_passdown; + m->pass_discard = pool->pf.discard_passdown; + m->definitely_not_shared = !lookup_result.shared; m->virt_block = block; m->data_block = lookup_result.block; m->cell = cell; m->cell2 = cell2; - m->err = 0; m->bio = bio; if (!dm_deferred_set_add_work(pool->all_io_ds, &m->list)) { @@ -1337,7 +1344,8 @@ static void process_deferred_bios(struct pool *pool) bio_list_init(&pool->deferred_flush_bios); spin_unlock_irqrestore(&pool->lock, flags); - if (bio_list_empty(&bios) && !need_commit_due_to_time(pool)) + if (bio_list_empty(&bios) && + !(dm_pool_changed_this_transaction(pool->pmd) && need_commit_due_to_time(pool))) return; if (commit_or_fallback(pool)) { @@ -2776,6 +2784,7 @@ static int thin_ctr(struct dm_target *ti, unsigned argc, char **argv) if (get_pool_mode(tc->pool) == PM_FAIL) { ti->error = "Couldn't open thin device, Pool is in fail mode"; + r = -EINVAL; goto bad_thin_open; } @@ -2787,7 +2796,7 @@ static int thin_ctr(struct dm_target *ti, unsigned argc, char **argv) r = dm_set_target_max_io_len(ti, tc->pool->sectors_per_block); if (r) - goto bad_thin_open; + goto bad_target_max_io_len; ti->num_flush_bios = 1; ti->flush_supported = true; @@ -2808,6 +2817,8 @@ static int thin_ctr(struct dm_target *ti, unsigned argc, char **argv) return 0; +bad_target_max_io_len: + dm_pool_close_thin_device(tc->td); bad_thin_open: __pool_dec(tc->pool); bad_pool_lookup: diff --git a/drivers/md/dm.c b/drivers/md/dm.c index 1c13071a81be..204a59fd872f 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -184,8 +184,8 @@ struct mapped_device { /* forced geometry settings */ struct hd_geometry geometry; - /* sysfs handle */ - struct kobject kobj; + /* kobject and completion */ + struct dm_kobject_holder kobj_holder; /* zero-length flush that will be cloned and submitted to targets */ struct bio flush_bio; @@ -1904,6 +1904,7 @@ static struct mapped_device *alloc_dev(int minor) init_waitqueue_head(&md->wait); INIT_WORK(&md->work, dm_wq_work); init_waitqueue_head(&md->eventq); + init_completion(&md->kobj_holder.completion); md->disk->major = _major; md->disk->first_minor = minor; @@ -2735,20 +2736,14 @@ struct gendisk *dm_disk(struct mapped_device *md) struct kobject *dm_kobject(struct mapped_device *md) { - return &md->kobj; + return &md->kobj_holder.kobj; } -/* - * struct mapped_device should not be exported outside of dm.c - * so use this check to verify that kobj is part of md structure - */ struct mapped_device *dm_get_from_kobject(struct kobject *kobj) { struct mapped_device *md; - md = container_of(kobj, struct mapped_device, kobj); - if (&md->kobj != kobj) - return NULL; + md = container_of(kobj, struct mapped_device, kobj_holder.kobj); if (test_bit(DMF_FREEING, &md->flags) || dm_deleting_md(md)) diff --git a/drivers/md/dm.h b/drivers/md/dm.h index 45b97da1bd06..9b3222f44835 100644 --- a/drivers/md/dm.h +++ b/drivers/md/dm.h @@ -15,6 +15,8 @@ #include <linux/list.h> #include <linux/blkdev.h> #include <linux/hdreg.h> +#include <linux/completion.h> +#include <linux/kobject.h> /* * Suspend feature flags @@ -125,12 +127,27 @@ void dm_interface_exit(void); /* * sysfs interface */ +struct dm_kobject_holder { + struct kobject kobj; + struct completion completion; +}; + +static inline struct completion *dm_get_completion_from_kobject(struct kobject *kobj) +{ + return &container_of(kobj, struct dm_kobject_holder, kobj)->completion; +} + int dm_sysfs_init(struct mapped_device *md); void dm_sysfs_exit(struct mapped_device *md); struct kobject *dm_kobject(struct mapped_device *md); struct mapped_device *dm_get_from_kobject(struct kobject *kobj); /* + * The kobject helper + */ +void dm_kobject_release(struct kobject *kobj); + +/* * Targets for linear and striped mappings */ int dm_linear_init(void); diff --git a/drivers/md/md.c b/drivers/md/md.c index 2290b95009de..a2dda416c9cb 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -1118,6 +1118,7 @@ static int super_90_validate(struct mddev *mddev, struct md_rdev *rdev) rdev->raid_disk = -1; clear_bit(Faulty, &rdev->flags); clear_bit(In_sync, &rdev->flags); + clear_bit(Bitmap_sync, &rdev->flags); clear_bit(WriteMostly, &rdev->flags); if (mddev->raid_disks == 0) { @@ -1196,6 +1197,8 @@ static int super_90_validate(struct mddev *mddev, struct md_rdev *rdev) */ if (ev1 < mddev->bitmap->events_cleared) return 0; + if (ev1 < mddev->events) + set_bit(Bitmap_sync, &rdev->flags); } else { if (ev1 < mddev->events) /* just a hot-add of a new device, leave raid_disk at -1 */ @@ -1604,6 +1607,7 @@ static int super_1_validate(struct mddev *mddev, struct md_rdev *rdev) rdev->raid_disk = -1; clear_bit(Faulty, &rdev->flags); clear_bit(In_sync, &rdev->flags); + clear_bit(Bitmap_sync, &rdev->flags); clear_bit(WriteMostly, &rdev->flags); if (mddev->raid_disks == 0) { @@ -1686,6 +1690,8 @@ static int super_1_validate(struct mddev *mddev, struct md_rdev *rdev) */ if (ev1 < mddev->bitmap->events_cleared) return 0; + if (ev1 < mddev->events) + set_bit(Bitmap_sync, &rdev->flags); } else { if (ev1 < mddev->events) /* just a hot-add of a new device, leave raid_disk at -1 */ @@ -2829,6 +2835,7 @@ slot_store(struct md_rdev *rdev, const char *buf, size_t len) else rdev->saved_raid_disk = -1; clear_bit(In_sync, &rdev->flags); + clear_bit(Bitmap_sync, &rdev->flags); err = rdev->mddev->pers-> hot_add_disk(rdev->mddev, rdev); if (err) { @@ -5761,6 +5768,7 @@ static int add_new_disk(struct mddev * mddev, mdu_disk_info_t *info) info->raid_disk < mddev->raid_disks) { rdev->raid_disk = info->raid_disk; set_bit(In_sync, &rdev->flags); + clear_bit(Bitmap_sync, &rdev->flags); } else rdev->raid_disk = -1; } else @@ -7694,7 +7702,8 @@ static int remove_and_add_spares(struct mddev *mddev, if (test_bit(Faulty, &rdev->flags)) continue; if (mddev->ro && - rdev->saved_raid_disk < 0) + ! (rdev->saved_raid_disk >= 0 && + !test_bit(Bitmap_sync, &rdev->flags))) continue; rdev->recovery_offset = 0; @@ -7775,9 +7784,12 @@ void md_check_recovery(struct mddev *mddev) * As we only add devices that are already in-sync, * we can activate the spares immediately. */ - clear_bit(MD_RECOVERY_NEEDED, &mddev->recovery); remove_and_add_spares(mddev, NULL); - mddev->pers->spare_active(mddev); + /* There is no thread, but we need to call + * ->spare_active and clear saved_raid_disk + */ + md_reap_sync_thread(mddev); + clear_bit(MD_RECOVERY_NEEDED, &mddev->recovery); goto unlock; } diff --git a/drivers/md/md.h b/drivers/md/md.h index 653f992b687a..ebe748e57416 100644 --- a/drivers/md/md.h +++ b/drivers/md/md.h @@ -129,6 +129,9 @@ struct md_rdev { enum flag_bits { Faulty, /* device is known to have a fault */ In_sync, /* device is in_sync with rest of array */ + Bitmap_sync, /* ..actually, not quite In_sync. Need a + * bitmap-based recovery to get fully in sync + */ Unmerged, /* device is being added to array and should * be considerred for bvec_merge_fn but not * yet for actual IO diff --git a/drivers/md/persistent-data/dm-array.c b/drivers/md/persistent-data/dm-array.c index af96e24ec328..1d75b1dc1e2e 100644 --- a/drivers/md/persistent-data/dm-array.c +++ b/drivers/md/persistent-data/dm-array.c @@ -317,8 +317,16 @@ static int shadow_ablock(struct dm_array_info *info, dm_block_t *root, * The shadow op will often be a noop. Only insert if it really * copied data. */ - if (dm_block_location(*block) != b) + if (dm_block_location(*block) != b) { + /* + * dm_tm_shadow_block will have already decremented the old + * block, but it is still referenced by the btree. We + * increment to stop the insert decrementing it below zero + * when overwriting the old value. + */ + dm_tm_inc(info->btree_info.tm, b); r = insert_ablock(info, index, *block, root); + } return r; } diff --git a/drivers/md/persistent-data/dm-space-map-common.c b/drivers/md/persistent-data/dm-space-map-common.c index 3e7a88d99eb0..0d240373ffab 100644 --- a/drivers/md/persistent-data/dm-space-map-common.c +++ b/drivers/md/persistent-data/dm-space-map-common.c @@ -245,6 +245,10 @@ int sm_ll_extend(struct ll_disk *ll, dm_block_t extra_blocks) return -EINVAL; } + /* + * We need to set this before the dm_tm_new_block() call below. + */ + ll->nr_blocks = nr_blocks; for (i = old_blocks; i < blocks; i++) { struct dm_block *b; struct disk_index_entry idx; @@ -252,6 +256,7 @@ int sm_ll_extend(struct ll_disk *ll, dm_block_t extra_blocks) r = dm_tm_new_block(ll->tm, &dm_sm_bitmap_validator, &b); if (r < 0) return r; + idx.blocknr = cpu_to_le64(dm_block_location(b)); r = dm_tm_unlock(ll->tm, b); @@ -266,7 +271,6 @@ int sm_ll_extend(struct ll_disk *ll, dm_block_t extra_blocks) return r; } - ll->nr_blocks = nr_blocks; return 0; } diff --git a/drivers/md/persistent-data/dm-space-map-metadata.c b/drivers/md/persistent-data/dm-space-map-metadata.c index 1c959684caef..afb419e514bf 100644 --- a/drivers/md/persistent-data/dm-space-map-metadata.c +++ b/drivers/md/persistent-data/dm-space-map-metadata.c @@ -384,12 +384,16 @@ static int sm_metadata_new_block(struct dm_space_map *sm, dm_block_t *b) struct sm_metadata *smm = container_of(sm, struct sm_metadata, sm); int r = sm_metadata_new_block_(sm, b); - if (r) + if (r) { DMERR("unable to allocate new metadata block"); + return r; + } r = sm_metadata_get_nr_free(sm, &count); - if (r) + if (r) { DMERR("couldn't get free block count"); + return r; + } check_threshold(&smm->threshold, count); @@ -604,20 +608,38 @@ static int sm_metadata_extend(struct dm_space_map *sm, dm_block_t extra_blocks) * Flick into a mode where all blocks get allocated in the new area. */ smm->begin = old_len; - memcpy(&smm->sm, &bootstrap_ops, sizeof(smm->sm)); + memcpy(sm, &bootstrap_ops, sizeof(*sm)); /* * Extend. */ r = sm_ll_extend(&smm->ll, extra_blocks); + if (r) + goto out; /* - * Switch back to normal behaviour. + * We repeatedly increment then commit until the commit doesn't + * allocate any new blocks. */ - memcpy(&smm->sm, &ops, sizeof(smm->sm)); - for (i = old_len; !r && i < smm->begin; i++) - r = sm_ll_inc(&smm->ll, i, &ev); + do { + for (i = old_len; !r && i < smm->begin; i++) { + r = sm_ll_inc(&smm->ll, i, &ev); + if (r) + goto out; + } + old_len = smm->begin; + + r = sm_ll_commit(&smm->ll); + if (r) + goto out; + } while (old_len != smm->begin); + +out: + /* + * Switch back to normal behaviour. + */ + memcpy(sm, &ops, sizeof(*sm)); return r; } diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c index afaa5d425e9a..e73740b55aea 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c @@ -1854,11 +1854,15 @@ static int process_checks(struct r1bio *r1_bio) for (i = 0; i < conf->raid_disks * 2; i++) { int j; int size; + int uptodate; struct bio *b = r1_bio->bios[i]; if (b->bi_end_io != end_sync_read) continue; - /* fixup the bio for reuse */ + /* fixup the bio for reuse, but preserve BIO_UPTODATE */ + uptodate = test_bit(BIO_UPTODATE, &b->bi_flags); bio_reset(b); + if (!uptodate) + clear_bit(BIO_UPTODATE, &b->bi_flags); b->bi_vcnt = vcnt; b->bi_size = r1_bio->sectors << 9; b->bi_sector = r1_bio->sector + @@ -1891,11 +1895,14 @@ static int process_checks(struct r1bio *r1_bio) int j; struct bio *pbio = r1_bio->bios[primary]; struct bio *sbio = r1_bio->bios[i]; + int uptodate = test_bit(BIO_UPTODATE, &sbio->bi_flags); if (sbio->bi_end_io != end_sync_read) continue; + /* Now we can 'fixup' the BIO_UPTODATE flag */ + set_bit(BIO_UPTODATE, &sbio->bi_flags); - if (test_bit(BIO_UPTODATE, &sbio->bi_flags)) { + if (uptodate) { for (j = vcnt; j-- ; ) { struct page *p, *s; p = pbio->bi_io_vec[j].bv_page; @@ -1910,7 +1917,7 @@ static int process_checks(struct r1bio *r1_bio) if (j >= 0) atomic64_add(r1_bio->sectors, &mddev->resync_mismatches); if (j < 0 || (test_bit(MD_RECOVERY_CHECK, &mddev->recovery) - && test_bit(BIO_UPTODATE, &sbio->bi_flags))) { + && uptodate)) { /* No need to write to this device. */ sbio->bi_end_io = NULL; rdev_dec_pending(conf->mirrors[i].rdev, mddev); diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index 0add86821755..d2f8cd332b4a 100644 --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -1321,7 +1321,7 @@ read_again: /* Could not read all from this device, so we will * need another r10_bio. */ - sectors_handled = (r10_bio->sectors + max_sectors + sectors_handled = (r10_bio->sector + max_sectors - bio->bi_sector); r10_bio->sectors = max_sectors; spin_lock_irq(&conf->device_lock); @@ -1329,7 +1329,7 @@ read_again: bio->bi_phys_segments = 2; else bio->bi_phys_segments++; - spin_unlock(&conf->device_lock); + spin_unlock_irq(&conf->device_lock); /* Cannot call generic_make_request directly * as that will be queued in __generic_make_request * and subsequent mempool_alloc might block @@ -3198,10 +3198,6 @@ static sector_t sync_request(struct mddev *mddev, sector_t sector_nr, if (j == conf->copies) { /* Cannot recover, so abort the recovery or * record a bad block */ - put_buf(r10_bio); - if (rb2) - atomic_dec(&rb2->remaining); - r10_bio = rb2; if (any_working) { /* problem is that there are bad blocks * on other device(s) @@ -3233,6 +3229,10 @@ static sector_t sync_request(struct mddev *mddev, sector_t sector_nr, mirror->recovery_disabled = mddev->recovery_disabled; } + put_buf(r10_bio); + if (rb2) + atomic_dec(&rb2->remaining); + r10_bio = rb2; break; } } diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index 4bed5454b8dc..5e3c25d4562c 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -1893,6 +1893,7 @@ static void raid5_end_write_request(struct bio *bi, int error) set_bit(R5_MadeGoodRepl, &sh->dev[i].flags); } else { if (!uptodate) { + set_bit(STRIPE_DEGRADED, &sh->state); set_bit(WriteErrorSeen, &rdev->flags); set_bit(R5_WriteError, &sh->dev[i].flags); if (!test_and_set_bit(WantReplacement, &rdev->flags)) @@ -3391,7 +3392,7 @@ static void analyse_stripe(struct stripe_head *sh, struct stripe_head_state *s) */ set_bit(R5_Insync, &dev->flags); - if (rdev && test_bit(R5_WriteError, &dev->flags)) { + if (test_bit(R5_WriteError, &dev->flags)) { /* This flag does not apply to '.replacement' * only to .rdev, so make sure to check that*/ struct md_rdev *rdev2 = rcu_dereference( @@ -3404,7 +3405,7 @@ static void analyse_stripe(struct stripe_head *sh, struct stripe_head_state *s) } else clear_bit(R5_WriteError, &dev->flags); } - if (rdev && test_bit(R5_MadeGood, &dev->flags)) { + if (test_bit(R5_MadeGood, &dev->flags)) { /* This flag does not apply to '.replacement' * only to .rdev, so make sure to check that*/ struct md_rdev *rdev2 = rcu_dereference( @@ -5036,23 +5037,43 @@ raid5_size(struct mddev *mddev, sector_t sectors, int raid_disks) return sectors * (raid_disks - conf->max_degraded); } +static void free_scratch_buffer(struct r5conf *conf, struct raid5_percpu *percpu) +{ + safe_put_page(percpu->spare_page); + kfree(percpu->scribble); + percpu->spare_page = NULL; + percpu->scribble = NULL; +} + +static int alloc_scratch_buffer(struct r5conf *conf, struct raid5_percpu *percpu) +{ + if (conf->level == 6 && !percpu->spare_page) + percpu->spare_page = alloc_page(GFP_KERNEL); + if (!percpu->scribble) + percpu->scribble = kmalloc(conf->scribble_len, GFP_KERNEL); + + if (!percpu->scribble || (conf->level == 6 && !percpu->spare_page)) { + free_scratch_buffer(conf, percpu); + return -ENOMEM; + } + + return 0; +} + static void raid5_free_percpu(struct r5conf *conf) { - struct raid5_percpu *percpu; unsigned long cpu; if (!conf->percpu) return; - get_online_cpus(); - for_each_possible_cpu(cpu) { - percpu = per_cpu_ptr(conf->percpu, cpu); - safe_put_page(percpu->spare_page); - kfree(percpu->scribble); - } #ifdef CONFIG_HOTPLUG_CPU unregister_cpu_notifier(&conf->cpu_notify); #endif + + get_online_cpus(); + for_each_possible_cpu(cpu) + free_scratch_buffer(conf, per_cpu_ptr(conf->percpu, cpu)); put_online_cpus(); free_percpu(conf->percpu); @@ -5078,15 +5099,7 @@ static int raid456_cpu_notify(struct notifier_block *nfb, unsigned long action, switch (action) { case CPU_UP_PREPARE: case CPU_UP_PREPARE_FROZEN: - if (conf->level == 6 && !percpu->spare_page) - percpu->spare_page = alloc_page(GFP_KERNEL); - if (!percpu->scribble) - percpu->scribble = kmalloc(conf->scribble_len, GFP_KERNEL); - - if (!percpu->scribble || - (conf->level == 6 && !percpu->spare_page)) { - safe_put_page(percpu->spare_page); - kfree(percpu->scribble); + if (alloc_scratch_buffer(conf, percpu)) { pr_err("%s: failed memory allocation for cpu%ld\n", __func__, cpu); return notifier_from_errno(-ENOMEM); @@ -5094,10 +5107,7 @@ static int raid456_cpu_notify(struct notifier_block *nfb, unsigned long action, break; case CPU_DEAD: case CPU_DEAD_FROZEN: - safe_put_page(percpu->spare_page); - kfree(percpu->scribble); - percpu->spare_page = NULL; - percpu->scribble = NULL; + free_scratch_buffer(conf, per_cpu_ptr(conf->percpu, cpu)); break; default: break; @@ -5109,40 +5119,29 @@ static int raid456_cpu_notify(struct notifier_block *nfb, unsigned long action, static int raid5_alloc_percpu(struct r5conf *conf) { unsigned long cpu; - struct page *spare_page; - struct raid5_percpu __percpu *allcpus; - void *scribble; - int err; + int err = 0; - allcpus = alloc_percpu(struct raid5_percpu); - if (!allcpus) + conf->percpu = alloc_percpu(struct raid5_percpu); + if (!conf->percpu) return -ENOMEM; - conf->percpu = allcpus; + +#ifdef CONFIG_HOTPLUG_CPU + conf->cpu_notify.notifier_call = raid456_cpu_notify; + conf->cpu_notify.priority = 0; + err = register_cpu_notifier(&conf->cpu_notify); + if (err) + return err; +#endif get_online_cpus(); - err = 0; for_each_present_cpu(cpu) { - if (conf->level == 6) { - spare_page = alloc_page(GFP_KERNEL); - if (!spare_page) { - err = -ENOMEM; - break; - } - per_cpu_ptr(conf->percpu, cpu)->spare_page = spare_page; - } - scribble = kmalloc(conf->scribble_len, GFP_KERNEL); - if (!scribble) { - err = -ENOMEM; + err = alloc_scratch_buffer(conf, per_cpu_ptr(conf->percpu, cpu)); + if (err) { + pr_err("%s: failed memory allocation for cpu%ld\n", + __func__, cpu); break; } - per_cpu_ptr(conf->percpu, cpu)->scribble = scribble; } -#ifdef CONFIG_HOTPLUG_CPU - conf->cpu_notify.notifier_call = raid456_cpu_notify; - conf->cpu_notify.priority = 0; - if (err == 0) - err = register_cpu_notifier(&conf->cpu_notify); -#endif put_online_cpus(); return err; diff --git a/drivers/media/dvb-frontends/af9033.c b/drivers/media/dvb-frontends/af9033.c index 30ee59052157..65728c25ea05 100644 --- a/drivers/media/dvb-frontends/af9033.c +++ b/drivers/media/dvb-frontends/af9033.c @@ -170,18 +170,18 @@ static int af9033_rd_reg_mask(struct af9033_state *state, u32 reg, u8 *val, static int af9033_wr_reg_val_tab(struct af9033_state *state, const struct reg_val *tab, int tab_len) { +#define MAX_TAB_LEN 212 int ret, i, j; - u8 buf[MAX_XFER_SIZE]; + u8 buf[1 + MAX_TAB_LEN]; + + dev_dbg(&state->i2c->dev, "%s: tab_len=%d\n", __func__, tab_len); if (tab_len > sizeof(buf)) { - dev_warn(&state->i2c->dev, - "%s: i2c wr len=%d is too big!\n", - KBUILD_MODNAME, tab_len); + dev_warn(&state->i2c->dev, "%s: tab len %d is too big\n", + KBUILD_MODNAME, tab_len); return -EINVAL; } - dev_dbg(&state->i2c->dev, "%s: tab_len=%d\n", __func__, tab_len); - for (i = 0, j = 0; i < tab_len; i++) { buf[j] = tab[i].val; diff --git a/drivers/media/dvb-frontends/cxd2820r_core.c b/drivers/media/dvb-frontends/cxd2820r_core.c index 51447a04d8f2..03930d5e9fea 100644 --- a/drivers/media/dvb-frontends/cxd2820r_core.c +++ b/drivers/media/dvb-frontends/cxd2820r_core.c @@ -34,7 +34,7 @@ static int cxd2820r_wr_regs_i2c(struct cxd2820r_priv *priv, u8 i2c, u8 reg, { .addr = i2c, .flags = 0, - .len = sizeof(buf), + .len = len + 1, .buf = buf, } }; @@ -75,7 +75,7 @@ static int cxd2820r_rd_regs_i2c(struct cxd2820r_priv *priv, u8 i2c, u8 reg, }, { .addr = i2c, .flags = I2C_M_RD, - .len = sizeof(buf), + .len = len, .buf = buf, } }; diff --git a/drivers/media/dvb-frontends/dib8000.c b/drivers/media/dvb-frontends/dib8000.c index a54182dd0e91..362de38a7d8e 100644 --- a/drivers/media/dvb-frontends/dib8000.c +++ b/drivers/media/dvb-frontends/dib8000.c @@ -157,15 +157,10 @@ static u16 dib8000_i2c_read16(struct i2c_device *i2c, u16 reg) return ret; } -static u16 dib8000_read_word(struct dib8000_state *state, u16 reg) +static u16 __dib8000_read_word(struct dib8000_state *state, u16 reg) { u16 ret; - if (mutex_lock_interruptible(&state->i2c_buffer_lock) < 0) { - dprintk("could not acquire lock"); - return 0; - } - state->i2c_write_buffer[0] = reg >> 8; state->i2c_write_buffer[1] = reg & 0xff; @@ -183,6 +178,21 @@ static u16 dib8000_read_word(struct dib8000_state *state, u16 reg) dprintk("i2c read error on %d", reg); ret = (state->i2c_read_buffer[0] << 8) | state->i2c_read_buffer[1]; + + return ret; +} + +static u16 dib8000_read_word(struct dib8000_state *state, u16 reg) +{ + u16 ret; + + if (mutex_lock_interruptible(&state->i2c_buffer_lock) < 0) { + dprintk("could not acquire lock"); + return 0; + } + + ret = __dib8000_read_word(state, reg); + mutex_unlock(&state->i2c_buffer_lock); return ret; @@ -192,8 +202,15 @@ static u32 dib8000_read32(struct dib8000_state *state, u16 reg) { u16 rw[2]; - rw[0] = dib8000_read_word(state, reg + 0); - rw[1] = dib8000_read_word(state, reg + 1); + if (mutex_lock_interruptible(&state->i2c_buffer_lock) < 0) { + dprintk("could not acquire lock"); + return 0; + } + + rw[0] = __dib8000_read_word(state, reg + 0); + rw[1] = __dib8000_read_word(state, reg + 1); + + mutex_unlock(&state->i2c_buffer_lock); return ((rw[0] << 16) | (rw[1])); } @@ -2445,7 +2462,8 @@ static int dib8000_autosearch_start(struct dvb_frontend *fe) if (state->revision == 0x8090) internal = dib8000_read32(state, 23) / 1000; - if (state->autosearch_state == AS_SEARCHING_FFT) { + if ((state->revision >= 0x8002) && + (state->autosearch_state == AS_SEARCHING_FFT)) { dib8000_write_word(state, 37, 0x0065); /* P_ctrl_pha_off_max default values */ dib8000_write_word(state, 116, 0x0000); /* P_ana_gain to 0 */ @@ -2481,7 +2499,8 @@ static int dib8000_autosearch_start(struct dvb_frontend *fe) dib8000_write_word(state, 770, (dib8000_read_word(state, 770) & 0xdfff) | (1 << 13)); /* P_restart_ccg = 1 */ dib8000_write_word(state, 770, (dib8000_read_word(state, 770) & 0xdfff) | (0 << 13)); /* P_restart_ccg = 0 */ dib8000_write_word(state, 0, (dib8000_read_word(state, 0) & 0x7ff) | (0 << 15) | (1 << 13)); /* P_restart_search = 0; */ - } else if (state->autosearch_state == AS_SEARCHING_GUARD) { + } else if ((state->revision >= 0x8002) && + (state->autosearch_state == AS_SEARCHING_GUARD)) { c->transmission_mode = TRANSMISSION_MODE_8K; c->guard_interval = GUARD_INTERVAL_1_8; c->inversion = 0; @@ -2583,7 +2602,8 @@ static int dib8000_autosearch_irq(struct dvb_frontend *fe) struct dib8000_state *state = fe->demodulator_priv; u16 irq_pending = dib8000_read_word(state, 1284); - if (state->autosearch_state == AS_SEARCHING_FFT) { + if ((state->revision >= 0x8002) && + (state->autosearch_state == AS_SEARCHING_FFT)) { if (irq_pending & 0x1) { dprintk("dib8000_autosearch_irq: max correlation result available"); return 3; diff --git a/drivers/media/dvb-frontends/m88rs2000.c b/drivers/media/dvb-frontends/m88rs2000.c index 4da5272075cb..02699c111019 100644 --- a/drivers/media/dvb-frontends/m88rs2000.c +++ b/drivers/media/dvb-frontends/m88rs2000.c @@ -110,28 +110,94 @@ static u8 m88rs2000_readreg(struct m88rs2000_state *state, u8 reg) return b1[0]; } +static u32 m88rs2000_get_mclk(struct dvb_frontend *fe) +{ + struct m88rs2000_state *state = fe->demodulator_priv; + u32 mclk; + u8 reg; + /* Must not be 0x00 or 0xff */ + reg = m88rs2000_readreg(state, 0x86); + if (!reg || reg == 0xff) + return 0; + + reg /= 2; + reg += 1; + + mclk = (u32)(reg * RS2000_FE_CRYSTAL_KHZ + 28 / 2) / 28; + + return mclk; +} + +static int m88rs2000_set_carrieroffset(struct dvb_frontend *fe, s16 offset) +{ + struct m88rs2000_state *state = fe->demodulator_priv; + u32 mclk; + s32 tmp; + u8 reg; + int ret; + + mclk = m88rs2000_get_mclk(fe); + if (!mclk) + return -EINVAL; + + tmp = (offset * 4096 + (s32)mclk / 2) / (s32)mclk; + if (tmp < 0) + tmp += 4096; + + /* Carrier Offset */ + ret = m88rs2000_writereg(state, 0x9c, (u8)(tmp >> 4)); + + reg = m88rs2000_readreg(state, 0x9d); + reg &= 0xf; + reg |= (u8)(tmp & 0xf) << 4; + + ret |= m88rs2000_writereg(state, 0x9d, reg); + + return ret; +} + static int m88rs2000_set_symbolrate(struct dvb_frontend *fe, u32 srate) { struct m88rs2000_state *state = fe->demodulator_priv; int ret; - u32 temp; + u64 temp; + u32 mclk; u8 b[3]; if ((srate < 1000000) || (srate > 45000000)) return -EINVAL; + mclk = m88rs2000_get_mclk(fe); + if (!mclk) + return -EINVAL; + temp = srate / 1000; - temp *= 11831; - temp /= 68; - temp -= 3; + temp *= 1 << 24; + + do_div(temp, mclk); b[0] = (u8) (temp >> 16) & 0xff; b[1] = (u8) (temp >> 8) & 0xff; b[2] = (u8) temp & 0xff; + ret = m88rs2000_writereg(state, 0x93, b[2]); ret |= m88rs2000_writereg(state, 0x94, b[1]); ret |= m88rs2000_writereg(state, 0x95, b[0]); + if (srate > 10000000) + ret |= m88rs2000_writereg(state, 0xa0, 0x20); + else + ret |= m88rs2000_writereg(state, 0xa0, 0x60); + + ret |= m88rs2000_writereg(state, 0xa1, 0xe0); + + if (srate > 12000000) + ret |= m88rs2000_writereg(state, 0xa3, 0x20); + else if (srate > 2800000) + ret |= m88rs2000_writereg(state, 0xa3, 0x98); + else + ret |= m88rs2000_writereg(state, 0xa3, 0x90); + deb_info("m88rs2000: m88rs2000_set_symbolrate\n"); return ret; } @@ -261,8 +327,6 @@ struct inittab m88rs2000_shutdown[] = { struct inittab fe_reset[] = { {DEMOD_WRITE, 0x00, 0x01}, - {DEMOD_WRITE, 0xf1, 0xbf}, - {DEMOD_WRITE, 0x00, 0x01}, {DEMOD_WRITE, 0x20, 0x81}, {DEMOD_WRITE, 0x21, 0x80}, {DEMOD_WRITE, 0x10, 0x33}, @@ -305,9 +369,6 @@ struct inittab fe_trigger[] = { {DEMOD_WRITE, 0x9b, 0x64}, {DEMOD_WRITE, 0x9e, 0x00}, {DEMOD_WRITE, 0x9f, 0xf8}, - {DEMOD_WRITE, 0xa0, 0x20}, - {DEMOD_WRITE, 0xa1, 0xe0}, - {DEMOD_WRITE, 0xa3, 0x38}, {DEMOD_WRITE, 0x98, 0xff}, {DEMOD_WRITE, 0xc0, 0x0f}, {DEMOD_WRITE, 0x89, 0x01}, @@ -540,9 +601,8 @@ static int m88rs2000_set_frontend(struct dvb_frontend *fe) struct dtv_frontend_properties *c = &fe->dtv_property_cache; fe_status_t status; int i, ret = 0; - s32 tmp; u32 tuner_freq; - u16 offset = 0; + s16 offset = 0; u8 reg; state->no_lock_count = 0; @@ -567,29 +627,26 @@ static int m88rs2000_set_frontend(struct dvb_frontend *fe) if (ret < 0) return -ENODEV; - offset = tuner_freq - c->frequency; - - /* calculate offset assuming 96000kHz*/ - tmp = offset; - tmp *= 65536; - - tmp = (2 * tmp + 96000) / (2 * 96000); - if (tmp < 0) - tmp += 65536; + offset = (s16)((s32)tuner_freq - c->frequency); - offset = tmp & 0xffff; + /* default mclk value 96.4285 * 2 * 1000 = 192857 */ + if (((c->frequency % 192857) >= (192857 - 3000)) || + (c->frequency % 192857) <= 3000) + ret = m88rs2000_writereg(state, 0x86, 0xc2); + else + ret = m88rs2000_writereg(state, 0x86, 0xc6); - ret = m88rs2000_writereg(state, 0x9a, 0x30); - /* Unknown usually 0xc6 sometimes 0xc1 */ - reg = m88rs2000_readreg(state, 0x86); - ret |= m88rs2000_writereg(state, 0x86, reg); - /* Offset lower nibble always 0 */ - ret |= m88rs2000_writereg(state, 0x9c, (offset >> 8)); - ret |= m88rs2000_writereg(state, 0x9d, offset & 0xf0); + ret |= m88rs2000_set_carrieroffset(fe, offset); + if (ret < 0) + return -ENODEV; + /* Reset demod by symbol rate */ + if (c->symbol_rate > 27500000) + ret = m88rs2000_writereg(state, 0xf1, 0xa4); + else + ret = m88rs2000_writereg(state, 0xf1, 0xbf); - /* Reset Demod */ - ret = m88rs2000_tab_set(state, fe_reset); + ret |= m88rs2000_tab_set(state, fe_reset); if (ret < 0) return -ENODEV; diff --git a/drivers/media/dvb-frontends/m88rs2000.h b/drivers/media/dvb-frontends/m88rs2000.h index 14ce31e76ae6..0a50ea90736b 100644 --- a/drivers/media/dvb-frontends/m88rs2000.h +++ b/drivers/media/dvb-frontends/m88rs2000.h @@ -53,6 +53,8 @@ static inline struct dvb_frontend *m88rs2000_attach( } #endif /* CONFIG_DVB_M88RS2000 */ +#define RS2000_FE_CRYSTAL_KHZ 27000 + enum { DEMOD_WRITE = 0x1, WRITE_DELAY = 0x10, diff --git a/drivers/media/dvb-frontends/nxt200x.c b/drivers/media/dvb-frontends/nxt200x.c index fbca9856313a..4bf057544607 100644 --- a/drivers/media/dvb-frontends/nxt200x.c +++ b/drivers/media/dvb-frontends/nxt200x.c @@ -40,7 +40,7 @@ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt /* Max transfer size done by I2C transfer functions */ -#define MAX_XFER_SIZE 64 +#define MAX_XFER_SIZE 256 #define NXT2002_DEFAULT_FIRMWARE "dvb-fe-nxt2002.fw" #define NXT2004_DEFAULT_FIRMWARE "dvb-fe-nxt2004.fw" diff --git a/drivers/media/i2c/wm8775.c b/drivers/media/i2c/wm8775.c index 27c27b4ae238..e5f3a78cf55b 100644 --- a/drivers/media/i2c/wm8775.c +++ b/drivers/media/i2c/wm8775.c @@ -131,12 +131,10 @@ static int wm8775_s_routing(struct v4l2_subdev *sd, return -EINVAL; } state->input = input; - if (!v4l2_ctrl_g_ctrl(state->mute)) + if (v4l2_ctrl_g_ctrl(state->mute)) return 0; if (!v4l2_ctrl_g_ctrl(state->vol)) return 0; - if (!v4l2_ctrl_g_ctrl(state->bal)) - return 0; wm8775_set_audio(sd, 1); return 0; } diff --git a/drivers/media/pci/bt8xx/bttv-driver.c b/drivers/media/pci/bt8xx/bttv-driver.c index e7d088413411..e2633d9270b7 100644 --- a/drivers/media/pci/bt8xx/bttv-driver.c +++ b/drivers/media/pci/bt8xx/bttv-driver.c @@ -4226,7 +4226,8 @@ static int bttv_probe(struct pci_dev *dev, const struct pci_device_id *pci_id) } btv->std = V4L2_STD_PAL; init_irqreg(btv); - v4l2_ctrl_handler_setup(hdl); + if (!bttv_tvcards[btv->c.type].no_video) + v4l2_ctrl_handler_setup(hdl); if (hdl->error) { result = hdl->error; goto fail2; diff --git a/drivers/media/pci/saa7164/saa7164-core.c b/drivers/media/pci/saa7164/saa7164-core.c index 7618fdae811e..62141b8f1e1a 100644 --- a/drivers/media/pci/saa7164/saa7164-core.c +++ b/drivers/media/pci/saa7164/saa7164-core.c @@ -1348,9 +1348,11 @@ static int saa7164_initdev(struct pci_dev *pci_dev, if (fw_debug) { dev->kthread = kthread_run(saa7164_thread_function, dev, "saa7164 debug"); - if (!dev->kthread) + if (IS_ERR(dev->kthread)) { + dev->kthread = NULL; printk(KERN_ERR "%s() Failed to create " "debug kernel thread\n", __func__); + } } } /* != BOARD_UNKNOWN */ diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc.c b/drivers/media/platform/s5p-mfc/s5p_mfc.c index d12faa691af8..961d7ff75427 100644 --- a/drivers/media/platform/s5p-mfc/s5p_mfc.c +++ b/drivers/media/platform/s5p-mfc/s5p_mfc.c @@ -177,21 +177,6 @@ unlock: mutex_unlock(&dev->mfc_mutex); } -static enum s5p_mfc_node_type s5p_mfc_get_node_type(struct file *file) -{ - struct video_device *vdev = video_devdata(file); - - if (!vdev) { - mfc_err("failed to get video_device"); - return MFCNODE_INVALID; - } - if (vdev->index == 0) - return MFCNODE_DECODER; - else if (vdev->index == 1) - return MFCNODE_ENCODER; - return MFCNODE_INVALID; -} - static void s5p_mfc_clear_int_flags(struct s5p_mfc_dev *dev) { mfc_write(dev, 0, S5P_FIMV_RISC_HOST_INT); @@ -701,6 +686,7 @@ irq_cleanup_hw: /* Open an MFC node */ static int s5p_mfc_open(struct file *file) { + struct video_device *vdev = video_devdata(file); struct s5p_mfc_dev *dev = video_drvdata(file); struct s5p_mfc_ctx *ctx = NULL; struct vb2_queue *q; @@ -738,7 +724,7 @@ static int s5p_mfc_open(struct file *file) /* Mark context as idle */ clear_work_bit_irqsave(ctx); dev->ctx[ctx->num] = ctx; - if (s5p_mfc_get_node_type(file) == MFCNODE_DECODER) { + if (vdev == dev->vfd_dec) { ctx->type = MFCINST_DECODER; ctx->c_ops = get_dec_codec_ops(); s5p_mfc_dec_init(ctx); @@ -748,7 +734,7 @@ static int s5p_mfc_open(struct file *file) mfc_err("Failed to setup mfc controls\n"); goto err_ctrls_setup; } - } else if (s5p_mfc_get_node_type(file) == MFCNODE_ENCODER) { + } else if (vdev == dev->vfd_enc) { ctx->type = MFCINST_ENCODER; ctx->c_ops = get_enc_codec_ops(); /* only for encoder */ @@ -793,10 +779,10 @@ static int s5p_mfc_open(struct file *file) q = &ctx->vq_dst; q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; q->drv_priv = &ctx->fh; - if (s5p_mfc_get_node_type(file) == MFCNODE_DECODER) { + if (vdev == dev->vfd_dec) { q->io_modes = VB2_MMAP; q->ops = get_dec_queue_ops(); - } else if (s5p_mfc_get_node_type(file) == MFCNODE_ENCODER) { + } else if (vdev == dev->vfd_enc) { q->io_modes = VB2_MMAP | VB2_USERPTR; q->ops = get_enc_queue_ops(); } else { @@ -815,10 +801,10 @@ static int s5p_mfc_open(struct file *file) q->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE; q->io_modes = VB2_MMAP; q->drv_priv = &ctx->fh; - if (s5p_mfc_get_node_type(file) == MFCNODE_DECODER) { + if (vdev == dev->vfd_dec) { q->io_modes = VB2_MMAP; q->ops = get_dec_queue_ops(); - } else if (s5p_mfc_get_node_type(file) == MFCNODE_ENCODER) { + } else if (vdev == dev->vfd_enc) { q->io_modes = VB2_MMAP | VB2_USERPTR; q->ops = get_enc_queue_ops(); } else { diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_common.h b/drivers/media/platform/s5p-mfc/s5p_mfc_common.h index ef4074cd5316..f804c1faa7ff 100644 --- a/drivers/media/platform/s5p-mfc/s5p_mfc_common.h +++ b/drivers/media/platform/s5p-mfc/s5p_mfc_common.h @@ -113,15 +113,6 @@ enum s5p_mfc_fmt_type { }; /** - * enum s5p_mfc_node_type - The type of an MFC device node. - */ -enum s5p_mfc_node_type { - MFCNODE_INVALID = -1, - MFCNODE_DECODER = 0, - MFCNODE_ENCODER = 1, -}; - -/** * enum s5p_mfc_inst_type - The type of an MFC instance. */ enum s5p_mfc_inst_type { diff --git a/drivers/media/usb/dvb-usb-v2/af9035.c b/drivers/media/usb/dvb-usb-v2/af9035.c index 3968bff341e6..2e93ba5598c4 100644 --- a/drivers/media/usb/dvb-usb-v2/af9035.c +++ b/drivers/media/usb/dvb-usb-v2/af9035.c @@ -130,7 +130,7 @@ static int af9035_wr_regs(struct dvb_usb_device *d, u32 reg, u8 *val, int len) { u8 wbuf[MAX_XFER_SIZE]; u8 mbox = (reg >> 16) & 0xff; - struct usb_req req = { CMD_MEM_WR, mbox, sizeof(wbuf), wbuf, 0, NULL }; + struct usb_req req = { CMD_MEM_WR, mbox, 6 + len, wbuf, 0, NULL }; if (6 + len > sizeof(wbuf)) { dev_warn(&d->udev->dev, "%s: i2c wr: len=%d is too big!\n", @@ -237,14 +237,15 @@ static int af9035_i2c_master_xfer(struct i2c_adapter *adap, } else { /* I2C */ u8 buf[MAX_XFER_SIZE]; - struct usb_req req = { CMD_I2C_RD, 0, sizeof(buf), + struct usb_req req = { CMD_I2C_RD, 0, 5 + msg[0].len, buf, msg[1].len, msg[1].buf }; if (5 + msg[0].len > sizeof(buf)) { dev_warn(&d->udev->dev, "%s: i2c xfer: len=%d is too big!\n", KBUILD_MODNAME, msg[0].len); - return -EOPNOTSUPP; + ret = -EOPNOTSUPP; + goto unlock; } req.mbox |= ((msg[0].addr & 0x80) >> 3); buf[0] = msg[1].len; @@ -273,14 +274,15 @@ static int af9035_i2c_master_xfer(struct i2c_adapter *adap, } else { /* I2C */ u8 buf[MAX_XFER_SIZE]; - struct usb_req req = { CMD_I2C_WR, 0, sizeof(buf), buf, - 0, NULL }; + struct usb_req req = { CMD_I2C_WR, 0, 5 + msg[0].len, + buf, 0, NULL }; if (5 + msg[0].len > sizeof(buf)) { dev_warn(&d->udev->dev, "%s: i2c xfer: len=%d is too big!\n", KBUILD_MODNAME, msg[0].len); - return -EOPNOTSUPP; + ret = -EOPNOTSUPP; + goto unlock; } req.mbox |= ((msg[0].addr & 0x80) >> 3); buf[0] = msg[0].len; @@ -300,6 +302,7 @@ static int af9035_i2c_master_xfer(struct i2c_adapter *adap, ret = -EOPNOTSUPP; } +unlock: mutex_unlock(&d->i2c_mutex); if (ret < 0) @@ -1512,6 +1515,10 @@ static const struct usb_device_id af9035_id_table[] = { /* XXX: that same ID [0ccd:0099] is used by af9015 driver too */ { DVB_USB_DEVICE(USB_VID_TERRATEC, 0x0099, &af9035_props, "TerraTec Cinergy T Stick Dual RC (rev. 2)", NULL) }, + { DVB_USB_DEVICE(USB_VID_LEADTEK, 0x6a05, + &af9035_props, "Leadtek WinFast DTV Dongle Dual", NULL) }, + { DVB_USB_DEVICE(USB_VID_HAUPPAUGE, 0xf900, + &af9035_props, "Hauppauge WinTV-MiniStick 2", NULL) }, { } }; MODULE_DEVICE_TABLE(usb, af9035_id_table); diff --git a/drivers/media/usb/dvb-usb-v2/anysee.c b/drivers/media/usb/dvb-usb-v2/anysee.c index 90cfa35ef6e6..eeab79bdd2aa 100644 --- a/drivers/media/usb/dvb-usb-v2/anysee.c +++ b/drivers/media/usb/dvb-usb-v2/anysee.c @@ -442,6 +442,7 @@ static struct cxd2820r_config anysee_cxd2820r_config = { * IOD[0] ZL10353 1=enabled * IOE[0] tuner 0=enabled * tuner is behind ZL10353 I2C-gate + * tuner is behind TDA10023 I2C-gate * * E7 TC VID=1c73 PID=861f HW=18 FW=0.7 AMTCI=0.5 "anysee-E7TC(LP)" * PCB: 508TC (rev0.6) @@ -956,7 +957,7 @@ static int anysee_tuner_attach(struct dvb_usb_adapter *adap) if (fe && adap->fe[1]) { /* attach tuner for 2nd FE */ - fe = dvb_attach(dvb_pll_attach, adap->fe[0], + fe = dvb_attach(dvb_pll_attach, adap->fe[1], (0xc0 >> 1), &d->i2c_adap, DVB_PLL_SAMSUNG_DTOS403IH102A); } diff --git a/drivers/media/usb/dvb-usb-v2/mxl111sf-tuner.h b/drivers/media/usb/dvb-usb-v2/mxl111sf-tuner.h index 90f583e5d6a6..a8f65d88c9e7 100644 --- a/drivers/media/usb/dvb-usb-v2/mxl111sf-tuner.h +++ b/drivers/media/usb/dvb-usb-v2/mxl111sf-tuner.h @@ -68,7 +68,7 @@ struct dvb_frontend *mxl111sf_tuner_attach(struct dvb_frontend *fe, #else static inline struct dvb_frontend *mxl111sf_tuner_attach(struct dvb_frontend *fe, - struct mxl111sf_state *mxl_state + struct mxl111sf_state *mxl_state, struct mxl111sf_tuner_config *cfg) { printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); diff --git a/drivers/mfd/lpc_ich.c b/drivers/mfd/lpc_ich.c index 9f12f91d6296..4be5be34194f 100644 --- a/drivers/mfd/lpc_ich.c +++ b/drivers/mfd/lpc_ich.c @@ -51,6 +51,8 @@ * document number TBD : Lynx Point * document number TBD : Lynx Point-LP * document number TBD : Wellsburg + * document number TBD : Avoton SoC + * document number TBD : Coleto Creek */ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt @@ -207,6 +209,8 @@ enum lpc_chipsets { LPC_LPT, /* Lynx Point */ LPC_LPT_LP, /* Lynx Point-LP */ LPC_WBG, /* Wellsburg */ + LPC_AVN, /* Avoton SoC */ + LPC_COLETO, /* Coleto Creek */ }; struct lpc_ich_info lpc_chipset_info[] = { @@ -491,6 +495,14 @@ struct lpc_ich_info lpc_chipset_info[] = { .name = "Wellsburg", .iTCO_version = 2, }, + [LPC_AVN] = { + .name = "Avoton SoC", + .iTCO_version = 1, + }, + [LPC_COLETO] = { + .name = "Coleto Creek", + .iTCO_version = 2, + }, }; /* @@ -704,6 +716,11 @@ static DEFINE_PCI_DEVICE_TABLE(lpc_ich_ids) = { { PCI_VDEVICE(INTEL, 0x8d5d), LPC_WBG}, { PCI_VDEVICE(INTEL, 0x8d5e), LPC_WBG}, { PCI_VDEVICE(INTEL, 0x8d5f), LPC_WBG}, + { PCI_VDEVICE(INTEL, 0x1f38), LPC_AVN}, + { PCI_VDEVICE(INTEL, 0x1f39), LPC_AVN}, + { PCI_VDEVICE(INTEL, 0x1f3a), LPC_AVN}, + { PCI_VDEVICE(INTEL, 0x1f3b), LPC_AVN}, + { PCI_VDEVICE(INTEL, 0x2390), LPC_COLETO}, { 0, }, /* End of list */ }; MODULE_DEVICE_TABLE(pci, lpc_ich_ids); diff --git a/drivers/mfd/max77686.c b/drivers/mfd/max77686.c index 1cbb17609c8b..8290c2382395 100644 --- a/drivers/mfd/max77686.c +++ b/drivers/mfd/max77686.c @@ -102,7 +102,7 @@ static int max77686_i2c_probe(struct i2c_client *i2c, max77686->irq_gpio = pdata->irq_gpio; max77686->irq = i2c->irq; - max77686->regmap = regmap_init_i2c(i2c, &max77686_regmap_config); + max77686->regmap = devm_regmap_init_i2c(i2c, &max77686_regmap_config); if (IS_ERR(max77686->regmap)) { ret = PTR_ERR(max77686->regmap); dev_err(max77686->dev, "Failed to allocate register map: %d\n", diff --git a/drivers/mfd/rtsx_pcr.c b/drivers/mfd/rtsx_pcr.c index e968c01ca2ac..45f26be359ea 100644 --- a/drivers/mfd/rtsx_pcr.c +++ b/drivers/mfd/rtsx_pcr.c @@ -1195,8 +1195,14 @@ static void rtsx_pci_remove(struct pci_dev *pcidev) pcr->remove_pci = true; - cancel_delayed_work(&pcr->carddet_work); - cancel_delayed_work(&pcr->idle_work); + /* Disable interrupts at the pcr level */ + spin_lock_irq(&pcr->lock); + rtsx_pci_writel(pcr, RTSX_BIER, 0); + pcr->bier = 0; + spin_unlock_irq(&pcr->lock); + + cancel_delayed_work_sync(&pcr->carddet_work); + cancel_delayed_work_sync(&pcr->idle_work); mfd_remove_devices(&pcidev->dev); diff --git a/drivers/misc/mei/client.c b/drivers/misc/mei/client.c index e310ca6ed1a3..0bb2aa2c6fb0 100644 --- a/drivers/misc/mei/client.c +++ b/drivers/misc/mei/client.c @@ -664,7 +664,6 @@ int mei_cl_read_start(struct mei_cl *cl, size_t length) goto err; cb->fop_type = MEI_FOP_READ; - cl->read_cb = cb; if (dev->hbuf_is_ready) { dev->hbuf_is_ready = false; if (mei_hbm_cl_flow_control_req(dev, cl)) { @@ -675,6 +674,9 @@ int mei_cl_read_start(struct mei_cl *cl, size_t length) } else { list_add_tail(&cb->list, &dev->ctrl_wr_list.list); } + + cl->read_cb = cb; + return rets; err: mei_io_cb_free(cb); @@ -799,7 +801,6 @@ void mei_cl_all_disconnect(struct mei_device *dev) list_for_each_entry_safe(cl, next, &dev->file_list, link) { cl->state = MEI_FILE_DISCONNECTED; cl->mei_flow_ctrl_creds = 0; - cl->read_cb = NULL; cl->timer_count = 0; } } @@ -829,8 +830,16 @@ void mei_cl_all_read_wakeup(struct mei_device *dev) void mei_cl_all_write_clear(struct mei_device *dev) { struct mei_cl_cb *cb, *next; + struct list_head *list; + + list = &dev->write_list.list; + list_for_each_entry_safe(cb, next, list, list) { + list_del(&cb->list); + mei_io_cb_free(cb); + } - list_for_each_entry_safe(cb, next, &dev->write_list.list, list) { + list = &dev->write_waiting_list.list; + list_for_each_entry_safe(cb, next, list, list) { list_del(&cb->list); mei_io_cb_free(cb); } diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c index af4c62f99a12..4eeff16c79f2 100644 --- a/drivers/mmc/card/block.c +++ b/drivers/mmc/card/block.c @@ -2085,6 +2085,7 @@ static int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req) struct mmc_card *card = md->queue.card; struct mmc_host *host = card->host; unsigned long flags; + unsigned int cmd_flags = req ? req->cmd_flags : 0; #ifdef CONFIG_MMC_BLOCK_DEFERRED_RESUME if (mmc_bus_needs_resume(card->host)) @@ -2105,7 +2106,7 @@ static int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req) } mq->flags &= ~MMC_QUEUE_NEW_REQUEST; - if (req && req->cmd_flags & REQ_DISCARD) { + if (cmd_flags & REQ_DISCARD) { /* complete ongoing async transfer before issuing discard */ if (card->host->areq) mmc_blk_issue_rw_rq(mq, NULL); @@ -2114,7 +2115,7 @@ static int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req) ret = mmc_blk_issue_secdiscard_rq(mq, req); else ret = mmc_blk_issue_discard_rq(mq, req); - } else if (req && req->cmd_flags & REQ_FLUSH) { + } else if (cmd_flags & REQ_FLUSH) { /* complete ongoing async transfer before issuing flush */ if (card->host->areq) mmc_blk_issue_rw_rq(mq, NULL); @@ -2135,7 +2136,7 @@ static int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req) out: if ((!req && !(mq->flags & MMC_QUEUE_NEW_REQUEST)) || - (req && (req->cmd_flags & MMC_REQ_SPECIAL_MASK))) + (cmd_flags & MMC_REQ_SPECIAL_MASK)) /* * Release host when there are no more requests * and after special request(discard, flush) is done. diff --git a/drivers/mmc/host/atmel-mci.c b/drivers/mmc/host/atmel-mci.c index b5c95043f7ef..84b054b08462 100644 --- a/drivers/mmc/host/atmel-mci.c +++ b/drivers/mmc/host/atmel-mci.c @@ -1188,11 +1188,22 @@ static void atmci_start_request(struct atmel_mci *host, iflags |= ATMCI_CMDRDY; cmd = mrq->cmd; cmdflags = atmci_prepare_command(slot->mmc, cmd); - atmci_send_command(host, cmd, cmdflags); + + /* + * DMA transfer should be started before sending the command to avoid + * unexpected errors especially for read operations in SDIO mode. + * Unfortunately, in PDC mode, command has to be sent before starting + * the transfer. + */ + if (host->submit_data != &atmci_submit_data_dma) + atmci_send_command(host, cmd, cmdflags); if (data) host->submit_data(host, data); + if (host->submit_data == &atmci_submit_data_dma) + atmci_send_command(host, cmd, cmdflags); + if (mrq->stop) { host->stop_cmdr = atmci_prepare_command(slot->mmc, mrq->stop); host->stop_cmdr |= ATMCI_CMDR_STOP_XFER; diff --git a/drivers/mtd/nand/mxc_nand.c b/drivers/mtd/nand/mxc_nand.c index 07e5784e5cd3..9896b636c4eb 100644 --- a/drivers/mtd/nand/mxc_nand.c +++ b/drivers/mtd/nand/mxc_nand.c @@ -676,7 +676,6 @@ static int mxc_nand_correct_data_v2_v3(struct mtd_info *mtd, u_char *dat, ecc_stat >>= 4; } while (--no_subpages); - mtd->ecc_stats.corrected += ret; pr_debug("%d Symbol Correctable RS-ECC Error\n", ret); return ret; diff --git a/drivers/net/bonding/bond_3ad.c b/drivers/net/bonding/bond_3ad.c index 390061d09693..00c6c089b935 100644 --- a/drivers/net/bonding/bond_3ad.c +++ b/drivers/net/bonding/bond_3ad.c @@ -1854,8 +1854,6 @@ void bond_3ad_initiate_agg_selection(struct bonding *bond, int timeout) BOND_AD_INFO(bond).agg_select_timer = timeout; } -static u16 aggregator_identifier; - /** * bond_3ad_initialize - initialize a bond's 802.3ad parameters and structures * @bond: bonding struct to work on @@ -1869,7 +1867,7 @@ void bond_3ad_initialize(struct bonding *bond, u16 tick_resolution) if (MAC_ADDRESS_COMPARE(&(BOND_AD_INFO(bond).system.sys_mac_addr), bond->dev->dev_addr)) { - aggregator_identifier = 0; + BOND_AD_INFO(bond).aggregator_identifier = 0; BOND_AD_INFO(bond).system.sys_priority = 0xFFFF; BOND_AD_INFO(bond).system.sys_mac_addr = *((struct mac_addr *)bond->dev->dev_addr); @@ -1940,7 +1938,7 @@ int bond_3ad_bind_slave(struct slave *slave) ad_initialize_agg(aggregator); aggregator->aggregator_mac_address = *((struct mac_addr *)bond->dev->dev_addr); - aggregator->aggregator_identifier = (++aggregator_identifier); + aggregator->aggregator_identifier = ++BOND_AD_INFO(bond).aggregator_identifier; aggregator->slave = slave; aggregator->is_active = 0; aggregator->num_of_ports = 0; diff --git a/drivers/net/bonding/bond_3ad.h b/drivers/net/bonding/bond_3ad.h index 5d91ad0cc041..1f081c89753f 100644 --- a/drivers/net/bonding/bond_3ad.h +++ b/drivers/net/bonding/bond_3ad.h @@ -253,6 +253,7 @@ struct ad_system { struct ad_bond_info { struct ad_system system; /* 802.3ad system structure */ u32 agg_select_timer; // Timer to select aggregator after all adapter's hand shakes + u16 aggregator_identifier; }; struct ad_slave_info { diff --git a/drivers/net/can/dev.c b/drivers/net/can/dev.c index 1870c4731a57..539239d8e9ab 100644 --- a/drivers/net/can/dev.c +++ b/drivers/net/can/dev.c @@ -324,19 +324,10 @@ void can_put_echo_skb(struct sk_buff *skb, struct net_device *dev, } if (!priv->echo_skb[idx]) { - struct sock *srcsk = skb->sk; - if (atomic_read(&skb->users) != 1) { - struct sk_buff *old_skb = skb; - - skb = skb_clone(old_skb, GFP_ATOMIC); - kfree_skb(old_skb); - if (!skb) - return; - } else - skb_orphan(skb); - - skb->sk = srcsk; + skb = can_create_echo_skb(skb); + if (!skb) + return; /* make settings for echo to reduce code in irq context */ skb->protocol = htons(ETH_P_CAN); diff --git a/drivers/net/can/janz-ican3.c b/drivers/net/can/janz-ican3.c index c4bc1d2e2033..b08383f485a5 100644 --- a/drivers/net/can/janz-ican3.c +++ b/drivers/net/can/janz-ican3.c @@ -19,6 +19,7 @@ #include <linux/netdevice.h> #include <linux/can.h> #include <linux/can/dev.h> +#include <linux/can/skb.h> #include <linux/can/error.h> #include <linux/mfd/janz.h> @@ -1134,20 +1135,9 @@ static void ican3_handle_message(struct ican3_dev *mod, struct ican3_msg *msg) */ static void ican3_put_echo_skb(struct ican3_dev *mod, struct sk_buff *skb) { - struct sock *srcsk = skb->sk; - - if (atomic_read(&skb->users) != 1) { - struct sk_buff *old_skb = skb; - - skb = skb_clone(old_skb, GFP_ATOMIC); - kfree_skb(old_skb); - if (!skb) - return; - } else { - skb_orphan(skb); - } - - skb->sk = srcsk; + skb = can_create_echo_skb(skb); + if (!skb) + return; /* save this skb for tx interrupt echo handling */ skb_queue_tail(&mod->echoq, skb); diff --git a/drivers/net/can/usb/kvaser_usb.c b/drivers/net/can/usb/kvaser_usb.c index 4b2d5ed62b11..cc3df8aebb87 100644 --- a/drivers/net/can/usb/kvaser_usb.c +++ b/drivers/net/can/usb/kvaser_usb.c @@ -474,6 +474,8 @@ static int kvaser_usb_get_card_info(struct kvaser_usb *dev) return err; dev->nchannels = msg.u.cardinfo.nchannels; + if (dev->nchannels > MAX_NET_DEVICES) + return -EINVAL; return 0; } diff --git a/drivers/net/can/usb/peak_usb/pcan_usb_pro.c b/drivers/net/can/usb/peak_usb/pcan_usb_pro.c index 8ee9d1556e6e..263dd921edc4 100644 --- a/drivers/net/can/usb/peak_usb/pcan_usb_pro.c +++ b/drivers/net/can/usb/peak_usb/pcan_usb_pro.c @@ -927,6 +927,9 @@ static int pcan_usb_pro_init(struct peak_usb_device *dev) /* set LED in default state (end of init phase) */ pcan_usb_pro_set_led(dev, 0, 1); + kfree(bi); + kfree(fi); + return 0; err_out: diff --git a/drivers/net/can/vcan.c b/drivers/net/can/vcan.c index 0a2a5ee79a17..4e94057ef5cf 100644 --- a/drivers/net/can/vcan.c +++ b/drivers/net/can/vcan.c @@ -46,6 +46,7 @@ #include <linux/if_ether.h> #include <linux/can.h> #include <linux/can/dev.h> +#include <linux/can/skb.h> #include <linux/slab.h> #include <net/rtnetlink.h> @@ -109,25 +110,23 @@ static netdev_tx_t vcan_tx(struct sk_buff *skb, struct net_device *dev) stats->rx_packets++; stats->rx_bytes += cfd->len; } - kfree_skb(skb); + consume_skb(skb); return NETDEV_TX_OK; } /* perform standard echo handling for CAN network interfaces */ if (loop) { - struct sock *srcsk = skb->sk; - skb = skb_share_check(skb, GFP_ATOMIC); + skb = can_create_echo_skb(skb); if (!skb) return NETDEV_TX_OK; /* receive with packet counting */ - skb->sk = srcsk; vcan_rx(skb, dev); } else { /* no looped packets => no counting */ - kfree_skb(skb); + consume_skb(skb); } return NETDEV_TX_OK; } diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c index 8c4babc0efbd..70be100feeb4 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c @@ -153,6 +153,7 @@ static u16 bnx2x_free_tx_pkt(struct bnx2x *bp, struct bnx2x_fp_txdata *txdata, struct sk_buff *skb = tx_buf->skb; u16 bd_idx = TX_BD(tx_buf->first_bd), new_cons; int nbd; + u16 split_bd_len = 0; /* prefetch skb end pointer to speedup dev_kfree_skb() */ prefetch(&skb->end); @@ -160,10 +161,7 @@ static u16 bnx2x_free_tx_pkt(struct bnx2x *bp, struct bnx2x_fp_txdata *txdata, DP(NETIF_MSG_TX_DONE, "fp[%d]: pkt_idx %d buff @(%p)->skb %p\n", txdata->txq_index, idx, tx_buf, skb); - /* unmap first bd */ tx_start_bd = &txdata->tx_desc_ring[bd_idx].start_bd; - dma_unmap_single(&bp->pdev->dev, BD_UNMAP_ADDR(tx_start_bd), - BD_UNMAP_LEN(tx_start_bd), DMA_TO_DEVICE); nbd = le16_to_cpu(tx_start_bd->nbd) - 1; @@ -182,12 +180,19 @@ static u16 bnx2x_free_tx_pkt(struct bnx2x *bp, struct bnx2x_fp_txdata *txdata, --nbd; bd_idx = TX_BD(NEXT_TX_IDX(bd_idx)); - /* ...and the TSO split header bd since they have no mapping */ + /* TSO headers+data bds share a common mapping. See bnx2x_tx_split() */ if (tx_buf->flags & BNX2X_TSO_SPLIT_BD) { + tx_data_bd = &txdata->tx_desc_ring[bd_idx].reg_bd; + split_bd_len = BD_UNMAP_LEN(tx_data_bd); --nbd; bd_idx = TX_BD(NEXT_TX_IDX(bd_idx)); } + /* unmap first bd */ + dma_unmap_single(&bp->pdev->dev, BD_UNMAP_ADDR(tx_start_bd), + BD_UNMAP_LEN(tx_start_bd) + split_bd_len, + DMA_TO_DEVICE); + /* now free frags */ while (nbd > 0) { diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c index b51560d56590..68e9dc453e11 100644 --- a/drivers/net/ethernet/broadcom/tg3.c +++ b/drivers/net/ethernet/broadcom/tg3.c @@ -7482,7 +7482,7 @@ static inline int tg3_4g_overflow_test(dma_addr_t mapping, int len) { u32 base = (u32) mapping & 0xffffffff; - return (base > 0xffffdcc0) && (base + len + 8 < base); + return base + len + 8 < base; } /* Test for TSO DMA buffers that cross into regions which are within MSS bytes @@ -13777,12 +13777,12 @@ static int tg3_change_mtu(struct net_device *dev, int new_mtu) tg3_netif_stop(tp); + tg3_set_mtu(dev, tp, new_mtu); + tg3_full_lock(tp, 1); tg3_halt(tp, RESET_KIND_SHUTDOWN, 1); - tg3_set_mtu(dev, tp, new_mtu); - /* Reset PHY, otherwise the read DMA engine will be in a mode that * breaks all requests to 256 bytes. */ @@ -16297,6 +16297,9 @@ static int tg3_get_invariants(struct tg3 *tp, const struct pci_device_id *ent) /* Clear this out for sanity. */ tw32(TG3PCI_MEM_WIN_BASE_ADDR, 0); + /* Clear TG3PCI_REG_BASE_ADDR to prevent hangs. */ + tw32(TG3PCI_REG_BASE_ADDR, 0); + pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE, &pci_state_reg); if ((pci_state_reg & PCISTATE_CONV_PCI_MODE) == 0 && diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c index d48099f03b7f..fbd0d7df67d8 100644 --- a/drivers/net/ethernet/freescale/fec_main.c +++ b/drivers/net/ethernet/freescale/fec_main.c @@ -371,6 +371,8 @@ fec_enet_start_xmit(struct sk_buff *skb, struct net_device *ndev) else bdp = fec_enet_get_nextdesc(bdp, fep->bufdesc_ex); + skb_tx_timestamp(skb); + fep->cur_tx = bdp; if (fep->cur_tx == fep->dirty_tx) @@ -379,8 +381,6 @@ fec_enet_start_xmit(struct sk_buff *skb, struct net_device *ndev) /* Trigger transmission start */ writel(0, fep->hwp + FEC_X_DES_ACTIVE); - skb_tx_timestamp(skb); - return NETDEV_TX_OK; } diff --git a/drivers/net/ethernet/ibm/ehea/ehea_main.c b/drivers/net/ethernet/ibm/ehea/ehea_main.c index 90ea0b1673ca..716dae7b9d8e 100644 --- a/drivers/net/ethernet/ibm/ehea/ehea_main.c +++ b/drivers/net/ethernet/ibm/ehea/ehea_main.c @@ -3023,7 +3023,7 @@ static struct ehea_port *ehea_setup_single_port(struct ehea_adapter *adapter, dev->hw_features = NETIF_F_SG | NETIF_F_TSO | NETIF_F_IP_CSUM | NETIF_F_HW_VLAN_CTAG_TX; - dev->features = NETIF_F_SG | NETIF_F_FRAGLIST | NETIF_F_TSO | + dev->features = NETIF_F_SG | NETIF_F_TSO | NETIF_F_HIGHDMA | NETIF_F_IP_CSUM | NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX | NETIF_F_HW_VLAN_CTAG_FILTER | NETIF_F_RXCSUM; diff --git a/drivers/net/ethernet/intel/e1000e/phy.c b/drivers/net/ethernet/intel/e1000e/phy.c index 59c76a6815a0..be4d7c1e3c14 100644 --- a/drivers/net/ethernet/intel/e1000e/phy.c +++ b/drivers/net/ethernet/intel/e1000e/phy.c @@ -1757,19 +1757,23 @@ s32 e1000e_phy_has_link_generic(struct e1000_hw *hw, u32 iterations, * it across the board. */ ret_val = e1e_rphy(hw, MII_BMSR, &phy_status); - if (ret_val) + if (ret_val) { /* If the first read fails, another entity may have * ownership of the resources, wait and try again to * see if they have relinquished the resources yet. */ - udelay(usec_interval); + if (usec_interval >= 1000) + msleep(usec_interval / 1000); + else + udelay(usec_interval); + } ret_val = e1e_rphy(hw, MII_BMSR, &phy_status); if (ret_val) break; if (phy_status & BMSR_LSTATUS) break; if (usec_interval >= 1000) - mdelay(usec_interval / 1000); + msleep(usec_interval / 1000); else udelay(usec_interval); } diff --git a/drivers/net/ethernet/intel/igb/e1000_phy.c b/drivers/net/ethernet/intel/igb/e1000_phy.c index 115b0da6e013..5dec66a96793 100644 --- a/drivers/net/ethernet/intel/igb/e1000_phy.c +++ b/drivers/net/ethernet/intel/igb/e1000_phy.c @@ -1595,7 +1595,10 @@ s32 igb_phy_has_link(struct e1000_hw *hw, u32 iterations, * ownership of the resources, wait and try again to * see if they have relinquished the resources yet. */ - udelay(usec_interval); + if (usec_interval >= 1000) + mdelay(usec_interval/1000); + else + udelay(usec_interval); } ret_val = hw->phy.ops.read_reg(hw, PHY_STATUS, &phy_status); if (ret_val) diff --git a/drivers/net/ethernet/tehuti/tehuti.c b/drivers/net/ethernet/tehuti/tehuti.c index 571452e786d5..61a1540f1347 100644 --- a/drivers/net/ethernet/tehuti/tehuti.c +++ b/drivers/net/ethernet/tehuti/tehuti.c @@ -2019,7 +2019,6 @@ bdx_probe(struct pci_dev *pdev, const struct pci_device_id *ent) ndev->features = NETIF_F_IP_CSUM | NETIF_F_SG | NETIF_F_TSO | NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX | NETIF_F_HW_VLAN_CTAG_FILTER | NETIF_F_RXCSUM - /*| NETIF_F_FRAGLIST */ ; ndev->hw_features = NETIF_F_IP_CSUM | NETIF_F_SG | NETIF_F_TSO | NETIF_F_HW_VLAN_CTAG_TX; diff --git a/drivers/net/ethernet/via/via-rhine.c b/drivers/net/ethernet/via/via-rhine.c index 75b82b6e8c54..c879969e82fb 100644 --- a/drivers/net/ethernet/via/via-rhine.c +++ b/drivers/net/ethernet/via/via-rhine.c @@ -1611,6 +1611,7 @@ static void rhine_reset_task(struct work_struct *work) goto out_unlock; napi_disable(&rp->napi); + netif_tx_disable(dev); spin_lock_bh(&rp->lock); /* clear all descriptors */ diff --git a/drivers/net/ethernet/xilinx/ll_temac_main.c b/drivers/net/ethernet/xilinx/ll_temac_main.c index 5444f2b87d01..52de70bd0bba 100644 --- a/drivers/net/ethernet/xilinx/ll_temac_main.c +++ b/drivers/net/ethernet/xilinx/ll_temac_main.c @@ -1016,7 +1016,7 @@ static int temac_of_probe(struct platform_device *op) dev_set_drvdata(&op->dev, ndev); SET_NETDEV_DEV(ndev, &op->dev); ndev->flags &= ~IFF_MULTICAST; /* clear multicast */ - ndev->features = NETIF_F_SG | NETIF_F_FRAGLIST; + ndev->features = NETIF_F_SG; ndev->netdev_ops = &temac_netdev_ops; ndev->ethtool_ops = &temac_ethtool_ops; #if 0 diff --git a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c index 24748e8367a1..2e2eeba37a06 100644 --- a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c +++ b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c @@ -1488,7 +1488,7 @@ static int axienet_of_probe(struct platform_device *op) SET_NETDEV_DEV(ndev, &op->dev); ndev->flags &= ~IFF_MULTICAST; /* clear multicast */ - ndev->features = NETIF_F_SG | NETIF_F_FRAGLIST; + ndev->features = NETIF_F_SG; ndev->netdev_ops = &axienet_netdev_ops; ndev->ethtool_ops = &axienet_ethtool_ops; diff --git a/drivers/net/hamradio/hdlcdrv.c b/drivers/net/hamradio/hdlcdrv.c index 3169252613fa..5d78c1d08abd 100644 --- a/drivers/net/hamradio/hdlcdrv.c +++ b/drivers/net/hamradio/hdlcdrv.c @@ -571,6 +571,8 @@ static int hdlcdrv_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) case HDLCDRVCTL_CALIBRATE: if(!capable(CAP_SYS_RAWIO)) return -EPERM; + if (bi.data.calibrate > INT_MAX / s->par.bitrate) + return -EINVAL; s->hdlctx.calibrate = bi.data.calibrate * s->par.bitrate / 16; return 0; diff --git a/drivers/net/hamradio/yam.c b/drivers/net/hamradio/yam.c index 0721e72f9299..82529a2658d7 100644 --- a/drivers/net/hamradio/yam.c +++ b/drivers/net/hamradio/yam.c @@ -1058,6 +1058,7 @@ static int yam_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) break; case SIOCYAMGCFG: + memset(&yi, 0, sizeof(yi)); yi.cfg.mask = 0xffffffff; yi.cfg.iobase = yp->iobase; yi.cfg.irq = yp->irq; diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c index 23a0fff0df52..aea78fc2e48f 100644 --- a/drivers/net/hyperv/netvsc_drv.c +++ b/drivers/net/hyperv/netvsc_drv.c @@ -328,7 +328,6 @@ static int netvsc_change_mtu(struct net_device *ndev, int mtu) return -EINVAL; nvdev->start_remove = true; - cancel_delayed_work_sync(&ndevctx->dwork); cancel_work_sync(&ndevctx->work); netif_tx_disable(ndev); rndis_filter_device_remove(hdev); diff --git a/drivers/net/macvtap.c b/drivers/net/macvtap.c index c70ff7dac00e..9e56eb479a4f 100644 --- a/drivers/net/macvtap.c +++ b/drivers/net/macvtap.c @@ -797,11 +797,10 @@ static ssize_t macvtap_put_user(struct macvtap_queue *q, const struct sk_buff *skb, const struct iovec *iv, int len) { - struct macvlan_dev *vlan; int ret; int vnet_hdr_len = 0; int vlan_offset = 0; - int copied; + int copied, total; if (q->flags & IFF_VNET_HDR) { struct virtio_net_hdr vnet_hdr; @@ -816,7 +815,8 @@ static ssize_t macvtap_put_user(struct macvtap_queue *q, if (memcpy_toiovecend(iv, (void *)&vnet_hdr, 0, sizeof(vnet_hdr))) return -EFAULT; } - copied = vnet_hdr_len; + total = copied = vnet_hdr_len; + total += skb->len; if (!vlan_tx_tag_present(skb)) len = min_t(int, skb->len, len); @@ -831,6 +831,7 @@ static ssize_t macvtap_put_user(struct macvtap_queue *q, vlan_offset = offsetof(struct vlan_ethhdr, h_vlan_proto); len = min_t(int, skb->len + VLAN_HLEN, len); + total += VLAN_HLEN; copy = min_t(int, vlan_offset, len); ret = skb_copy_datagram_const_iovec(skb, 0, iv, copied, copy); @@ -848,16 +849,9 @@ static ssize_t macvtap_put_user(struct macvtap_queue *q, } ret = skb_copy_datagram_const_iovec(skb, vlan_offset, iv, copied, len); - copied += len; done: - rcu_read_lock_bh(); - vlan = rcu_dereference_bh(q->vlan); - if (vlan) - macvlan_count_rx(vlan, copied - vnet_hdr_len, ret == 0, 0); - rcu_read_unlock_bh(); - - return ret ? ret : copied; + return ret ? ret : total; } static ssize_t macvtap_do_read(struct macvtap_queue *q, struct kiocb *iocb, @@ -909,7 +903,9 @@ static ssize_t macvtap_aio_read(struct kiocb *iocb, const struct iovec *iv, } ret = macvtap_do_read(q, iocb, iv, len, file->f_flags & O_NONBLOCK); - ret = min_t(ssize_t, ret, len); /* XXX copied from tun.c. Why? */ + ret = min_t(ssize_t, ret, len); + if (ret > 0) + iocb->ki_pos = ret; out: return ret; } diff --git a/drivers/net/tun.c b/drivers/net/tun.c index 0129e824db5b..aeff706f1634 100644 --- a/drivers/net/tun.c +++ b/drivers/net/tun.c @@ -1412,6 +1412,8 @@ static ssize_t tun_chr_aio_read(struct kiocb *iocb, const struct iovec *iv, ret = tun_do_read(tun, tfile, iocb, iv, len, file->f_flags & O_NONBLOCK); ret = min_t(ssize_t, ret, len); + if (ret > 0) + iocb->ki_pos = ret; out: tun_put(tun); return ret; diff --git a/drivers/net/usb/asix_devices.c b/drivers/net/usb/asix_devices.c index ad5d1e4384db..97b5de7aebdb 100644 --- a/drivers/net/usb/asix_devices.c +++ b/drivers/net/usb/asix_devices.c @@ -915,7 +915,8 @@ static const struct driver_info ax88178_info = { .status = asix_status, .link_reset = ax88178_link_reset, .reset = ax88178_reset, - .flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR, + .flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR | + FLAG_MULTI_PACKET, .rx_fixup = asix_rx_fixup_common, .tx_fixup = asix_tx_fixup, }; diff --git a/drivers/net/usb/ax88179_178a.c b/drivers/net/usb/ax88179_178a.c index cea1f3d0311b..d33c3ae2fcea 100644 --- a/drivers/net/usb/ax88179_178a.c +++ b/drivers/net/usb/ax88179_178a.c @@ -1109,6 +1109,10 @@ static int ax88179_rx_fixup(struct usbnet *dev, struct sk_buff *skb) u16 hdr_off; u32 *pkt_hdr; + /* This check is no longer done by usbnet */ + if (skb->len < dev->net->hard_header_len) + return 0; + skb_trim(skb, skb->len - 4); memcpy(&rx_hdr, skb_tail_pointer(skb), 4); le32_to_cpus(&rx_hdr); diff --git a/drivers/net/usb/dm9601.c b/drivers/net/usb/dm9601.c index c6867f926cff..c0bfc818c701 100644 --- a/drivers/net/usb/dm9601.c +++ b/drivers/net/usb/dm9601.c @@ -364,7 +364,12 @@ static int dm9601_bind(struct usbnet *dev, struct usb_interface *intf) dev->net->ethtool_ops = &dm9601_ethtool_ops; dev->net->hard_header_len += DM_TX_OVERHEAD; dev->hard_mtu = dev->net->mtu + dev->net->hard_header_len; - dev->rx_urb_size = dev->net->mtu + ETH_HLEN + DM_RX_OVERHEAD; + + /* dm9620/21a require room for 4 byte padding, even in dm9601 + * mode, so we need +1 to be able to receive full size + * ethernet frames. + */ + dev->rx_urb_size = dev->net->mtu + ETH_HLEN + DM_RX_OVERHEAD + 1; dev->mii.dev = dev->net; dev->mii.mdio_read = dm9601_mdio_read; @@ -468,7 +473,7 @@ static int dm9601_rx_fixup(struct usbnet *dev, struct sk_buff *skb) static struct sk_buff *dm9601_tx_fixup(struct usbnet *dev, struct sk_buff *skb, gfp_t flags) { - int len; + int len, pad; /* format: b1: packet length low @@ -476,12 +481,23 @@ static struct sk_buff *dm9601_tx_fixup(struct usbnet *dev, struct sk_buff *skb, b3..n: packet data */ - len = skb->len; + len = skb->len + DM_TX_OVERHEAD; - if (skb_headroom(skb) < DM_TX_OVERHEAD) { + /* workaround for dm962x errata with tx fifo getting out of + * sync if a USB bulk transfer retry happens right after a + * packet with odd / maxpacket length by adding up to 3 bytes + * padding. + */ + while ((len & 1) || !(len % dev->maxpacket)) + len++; + + len -= DM_TX_OVERHEAD; /* hw header doesn't count as part of length */ + pad = len - skb->len; + + if (skb_headroom(skb) < DM_TX_OVERHEAD || skb_tailroom(skb) < pad) { struct sk_buff *skb2; - skb2 = skb_copy_expand(skb, DM_TX_OVERHEAD, 0, flags); + skb2 = skb_copy_expand(skb, DM_TX_OVERHEAD, pad, flags); dev_kfree_skb_any(skb); skb = skb2; if (!skb) @@ -490,10 +506,10 @@ static struct sk_buff *dm9601_tx_fixup(struct usbnet *dev, struct sk_buff *skb, __skb_push(skb, DM_TX_OVERHEAD); - /* usbnet adds padding if length is a multiple of packet size - if so, adjust length value in header */ - if ((skb->len % dev->maxpacket) == 0) - len++; + if (pad) { + memset(skb->data + skb->len, 0, pad); + __skb_put(skb, pad); + } skb->data[0] = len; skb->data[1] = len >> 8; diff --git a/drivers/net/usb/gl620a.c b/drivers/net/usb/gl620a.c index a7e3f4e55bf3..82ab61d62804 100644 --- a/drivers/net/usb/gl620a.c +++ b/drivers/net/usb/gl620a.c @@ -86,6 +86,10 @@ static int genelink_rx_fixup(struct usbnet *dev, struct sk_buff *skb) u32 size; u32 count; + /* This check is no longer done by usbnet */ + if (skb->len < dev->net->hard_header_len) + return 0; + header = (struct gl_header *) skb->data; // get the packet count of the received skb diff --git a/drivers/net/usb/mcs7830.c b/drivers/net/usb/mcs7830.c index 03832d3780aa..9237c45883cd 100644 --- a/drivers/net/usb/mcs7830.c +++ b/drivers/net/usb/mcs7830.c @@ -529,8 +529,9 @@ static int mcs7830_rx_fixup(struct usbnet *dev, struct sk_buff *skb) { u8 status; - if (skb->len == 0) { - dev_err(&dev->udev->dev, "unexpected empty rx frame\n"); + /* This check is no longer done by usbnet */ + if (skb->len < dev->net->hard_header_len) { + dev_err(&dev->udev->dev, "unexpected tiny rx frame\n"); return 0; } diff --git a/drivers/net/usb/net1080.c b/drivers/net/usb/net1080.c index 93e0716a118c..7f4a3a41c4f8 100644 --- a/drivers/net/usb/net1080.c +++ b/drivers/net/usb/net1080.c @@ -366,6 +366,10 @@ static int net1080_rx_fixup(struct usbnet *dev, struct sk_buff *skb) struct nc_trailer *trailer; u16 hdr_len, packet_len; + /* This check is no longer done by usbnet */ + if (skb->len < dev->net->hard_header_len) + return 0; + if (!(skb->len & 0x01)) { netdev_dbg(dev->net, "rx framesize %d range %d..%d mtu %d\n", skb->len, dev->net->hard_header_len, dev->hard_mtu, diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c index 34a081f1527f..37d9785974fc 100644 --- a/drivers/net/usb/qmi_wwan.c +++ b/drivers/net/usb/qmi_wwan.c @@ -80,10 +80,10 @@ static int qmi_wwan_rx_fixup(struct usbnet *dev, struct sk_buff *skb) { __be16 proto; - /* usbnet rx_complete guarantees that skb->len is at least - * hard_header_len, so we can inspect the dest address without - * checking skb->len - */ + /* This check is no longer done by usbnet */ + if (skb->len < dev->net->hard_header_len) + return 0; + switch (skb->data[0] & 0xf0) { case 0x40: proto = htons(ETH_P_IP); @@ -709,6 +709,7 @@ static const struct usb_device_id products[] = { {QMI_FIXED_INTF(0x1199, 0x68a2, 8)}, /* Sierra Wireless MC7710 in QMI mode */ {QMI_FIXED_INTF(0x1199, 0x68a2, 19)}, /* Sierra Wireless MC7710 in QMI mode */ {QMI_FIXED_INTF(0x1199, 0x901c, 8)}, /* Sierra Wireless EM7700 */ + {QMI_FIXED_INTF(0x1199, 0x9051, 8)}, /* Netgear AirCard 340U */ {QMI_FIXED_INTF(0x1bbb, 0x011e, 4)}, /* Telekom Speedstick LTE II (Alcatel One Touch L100V LTE) */ {QMI_FIXED_INTF(0x2357, 0x0201, 4)}, /* TP-LINK HSUPA Modem MA180 */ {QMI_FIXED_INTF(0x1bc7, 0x1200, 5)}, /* Telit LE920 */ diff --git a/drivers/net/usb/rndis_host.c b/drivers/net/usb/rndis_host.c index cc49aac70224..691fca4e4c2d 100644 --- a/drivers/net/usb/rndis_host.c +++ b/drivers/net/usb/rndis_host.c @@ -494,6 +494,10 @@ EXPORT_SYMBOL_GPL(rndis_unbind); */ int rndis_rx_fixup(struct usbnet *dev, struct sk_buff *skb) { + /* This check is no longer done by usbnet */ + if (skb->len < dev->net->hard_header_len) + return 0; + /* peripheral may have batched packets to us... */ while (likely(skb->len)) { struct rndis_data_hdr *hdr = (void *)skb->data; diff --git a/drivers/net/usb/smsc75xx.c b/drivers/net/usb/smsc75xx.c index 66ebbacf066f..12afae0451e6 100644 --- a/drivers/net/usb/smsc75xx.c +++ b/drivers/net/usb/smsc75xx.c @@ -2108,6 +2108,10 @@ static void smsc75xx_rx_csum_offload(struct usbnet *dev, struct sk_buff *skb, static int smsc75xx_rx_fixup(struct usbnet *dev, struct sk_buff *skb) { + /* This check is no longer done by usbnet */ + if (skb->len < dev->net->hard_header_len) + return 0; + while (skb->len > 0) { u32 rx_cmd_a, rx_cmd_b, align_count, size; struct sk_buff *ax_skb; diff --git a/drivers/net/usb/smsc95xx.c b/drivers/net/usb/smsc95xx.c index 8836e12b76e7..43e89040379f 100644 --- a/drivers/net/usb/smsc95xx.c +++ b/drivers/net/usb/smsc95xx.c @@ -1801,6 +1801,10 @@ static void smsc95xx_rx_csum_offload(struct sk_buff *skb) static int smsc95xx_rx_fixup(struct usbnet *dev, struct sk_buff *skb) { + /* This check is no longer done by usbnet */ + if (skb->len < dev->net->hard_header_len) + return 0; + while (skb->len > 0) { u32 header, align_count; struct sk_buff *ax_skb; diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c index 67d0d07b7514..42f15952025d 100644 --- a/drivers/net/usb/usbnet.c +++ b/drivers/net/usb/usbnet.c @@ -517,17 +517,19 @@ static inline void rx_process (struct usbnet *dev, struct sk_buff *skb) } // else network stack removes extra byte if we forced a short packet - if (skb->len) { - /* all data was already cloned from skb inside the driver */ - if (dev->driver_info->flags & FLAG_MULTI_PACKET) - dev_kfree_skb_any(skb); - else - usbnet_skb_return(dev, skb); + /* all data was already cloned from skb inside the driver */ + if (dev->driver_info->flags & FLAG_MULTI_PACKET) + goto done; + + if (skb->len < ETH_HLEN) { + dev->net->stats.rx_errors++; + dev->net->stats.rx_length_errors++; + netif_dbg(dev, rx_err, dev->net, "rx length %d\n", skb->len); + } else { + usbnet_skb_return(dev, skb); return; } - netif_dbg(dev, rx_err, dev->net, "drop\n"); - dev->net->stats.rx_errors++; done: skb_queue_tail(&dev->done, skb); } @@ -549,13 +551,6 @@ static void rx_complete (struct urb *urb) switch (urb_status) { /* success */ case 0: - if (skb->len < dev->net->hard_header_len) { - state = rx_cleanup; - dev->net->stats.rx_errors++; - dev->net->stats.rx_length_errors++; - netif_dbg(dev, rx_err, dev->net, - "rx length %d\n", skb->len); - } break; /* stalls need manual reset. this is rare ... except that diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index 64cf70247048..a0c05e07feeb 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -294,26 +294,61 @@ static struct sk_buff *page_to_skb(struct receive_queue *rq, return skb; } -static int receive_mergeable(struct receive_queue *rq, struct sk_buff *skb) +static struct sk_buff *receive_small(void *buf, unsigned int len) { - struct skb_vnet_hdr *hdr = skb_vnet_hdr(skb); - struct page *page; - int num_buf, i, len; + struct sk_buff * skb = buf; + + len -= sizeof(struct virtio_net_hdr); + skb_trim(skb, len); + + return skb; +} + +static struct sk_buff *receive_big(struct net_device *dev, + struct receive_queue *rq, + void *buf) +{ + struct page *page = buf; + struct sk_buff *skb = page_to_skb(rq, page, 0); + + if (unlikely(!skb)) + goto err; + + return skb; + +err: + dev->stats.rx_dropped++; + give_pages(rq, page); + return NULL; +} + +static struct sk_buff *receive_mergeable(struct net_device *dev, + struct receive_queue *rq, + void *buf, + unsigned int len) +{ + struct skb_vnet_hdr *hdr = page_address(buf); + int num_buf = hdr->mhdr.num_buffers; + struct page *page = buf; + struct sk_buff *skb = page_to_skb(rq, page, len); + int i; + + if (unlikely(!skb)) + goto err_skb; - num_buf = hdr->mhdr.num_buffers; while (--num_buf) { i = skb_shinfo(skb)->nr_frags; if (i >= MAX_SKB_FRAGS) { pr_debug("%s: packet too long\n", skb->dev->name); skb->dev->stats.rx_length_errors++; - return -EINVAL; + goto err_frags; } page = virtqueue_get_buf(rq->vq, &len); if (!page) { - pr_debug("%s: rx error: %d buffers missing\n", - skb->dev->name, hdr->mhdr.num_buffers); - skb->dev->stats.rx_length_errors++; - return -EINVAL; + pr_debug("%s: rx error: %d buffers %d missing\n", + dev->name, hdr->mhdr.num_buffers, num_buf); + dev->stats.rx_length_errors++; + goto err_buf; } if (len > PAGE_SIZE) @@ -323,7 +358,26 @@ static int receive_mergeable(struct receive_queue *rq, struct sk_buff *skb) --rq->num; } - return 0; + return skb; +err_skb: + give_pages(rq, page); + while (--num_buf) { +err_frags: + buf = virtqueue_get_buf(rq->vq, &len); + if (unlikely(!buf)) { + pr_debug("%s: rx error: %d buffers missing\n", + dev->name, num_buf); + dev->stats.rx_length_errors++; + break; + } + page = buf; + give_pages(rq, page); + --rq->num; + } +err_buf: + dev->stats.rx_dropped++; + dev_kfree_skb(skb); + return NULL; } static void receive_buf(struct receive_queue *rq, void *buf, unsigned int len) @@ -332,7 +386,6 @@ static void receive_buf(struct receive_queue *rq, void *buf, unsigned int len) struct net_device *dev = vi->dev; struct virtnet_stats *stats = this_cpu_ptr(vi->stats); struct sk_buff *skb; - struct page *page; struct skb_vnet_hdr *hdr; if (unlikely(len < sizeof(struct virtio_net_hdr) + ETH_HLEN)) { @@ -344,25 +397,15 @@ static void receive_buf(struct receive_queue *rq, void *buf, unsigned int len) dev_kfree_skb(buf); return; } + if (vi->mergeable_rx_bufs) + skb = receive_mergeable(dev, rq, buf, len); + else if (vi->big_packets) + skb = receive_big(dev, rq, buf); + else + skb = receive_small(buf, len); - if (!vi->mergeable_rx_bufs && !vi->big_packets) { - skb = buf; - len -= sizeof(struct virtio_net_hdr); - skb_trim(skb, len); - } else { - page = buf; - skb = page_to_skb(rq, page, len); - if (unlikely(!skb)) { - dev->stats.rx_dropped++; - give_pages(rq, page); - return; - } - if (vi->mergeable_rx_bufs) - if (receive_mergeable(rq, skb)) { - dev_kfree_skb(skb); - return; - } - } + if (unlikely(!skb)) + return; hdr = skb_vnet_hdr(skb); @@ -1285,6 +1328,11 @@ static void virtnet_config_changed(struct virtio_device *vdev) static void virtnet_free_queues(struct virtnet_info *vi) { + int i; + + for (i = 0; i < vi->max_queue_pairs; i++) + netif_napi_del(&vi->rq[i].napi); + kfree(vi->rq); kfree(vi->sq); } @@ -1697,16 +1745,17 @@ static int virtnet_restore(struct virtio_device *vdev) if (err) return err; - if (netif_running(vi->dev)) + if (netif_running(vi->dev)) { + for (i = 0; i < vi->curr_queue_pairs; i++) + if (!try_fill_recv(&vi->rq[i], GFP_KERNEL)) + schedule_delayed_work(&vi->refill, 0); + for (i = 0; i < vi->max_queue_pairs; i++) virtnet_napi_enable(&vi->rq[i]); + } netif_device_attach(vi->dev); - for (i = 0; i < vi->curr_queue_pairs; i++) - if (!try_fill_recv(&vi->rq[i], GFP_KERNEL)) - schedule_delayed_work(&vi->refill, 0); - mutex_lock(&vi->config_lock); vi->config_enable = true; mutex_unlock(&vi->config_lock); diff --git a/drivers/net/wireless/ath/ar5523/ar5523.c b/drivers/net/wireless/ath/ar5523/ar5523.c index 17d7fece35d2..57fc06e0f434 100644 --- a/drivers/net/wireless/ath/ar5523/ar5523.c +++ b/drivers/net/wireless/ath/ar5523/ar5523.c @@ -1764,7 +1764,7 @@ static struct usb_device_id ar5523_id_table[] = { AR5523_DEVICE_UX(0x2001, 0x3a04), /* Dlink / DWLAG122 */ AR5523_DEVICE_UG(0x1690, 0x0712), /* Gigaset / AR5523 */ AR5523_DEVICE_UG(0x1690, 0x0710), /* Gigaset / SMCWUSBTG */ - AR5523_DEVICE_UG(0x129b, 0x160c), /* Gigaset / USB stick 108 + AR5523_DEVICE_UG(0x129b, 0x160b), /* Gigaset / USB stick 108 (CyberTAN Technology) */ AR5523_DEVICE_UG(0x16ab, 0x7801), /* Globalsun / AR5523_1 */ AR5523_DEVICE_UX(0x16ab, 0x7811), /* Globalsun / AR5523_2 */ diff --git a/drivers/net/wireless/ath/ath9k/ar9002_mac.c b/drivers/net/wireless/ath/ath9k/ar9002_mac.c index 8d78253c26ce..a366d6b4626f 100644 --- a/drivers/net/wireless/ath/ath9k/ar9002_mac.c +++ b/drivers/net/wireless/ath/ath9k/ar9002_mac.c @@ -76,9 +76,16 @@ static bool ar9002_hw_get_isr(struct ath_hw *ah, enum ath9k_int *masked) mask2 |= ATH9K_INT_CST; if (isr2 & AR_ISR_S2_TSFOOR) mask2 |= ATH9K_INT_TSFOOR; + + if (!(pCap->hw_caps & ATH9K_HW_CAP_RAC_SUPPORTED)) { + REG_WRITE(ah, AR_ISR_S2, isr2); + isr &= ~AR_ISR_BCNMISC; + } } - isr = REG_READ(ah, AR_ISR_RAC); + if (pCap->hw_caps & ATH9K_HW_CAP_RAC_SUPPORTED) + isr = REG_READ(ah, AR_ISR_RAC); + if (isr == 0xffffffff) { *masked = 0; return false; @@ -97,11 +104,23 @@ static bool ar9002_hw_get_isr(struct ath_hw *ah, enum ath9k_int *masked) *masked |= ATH9K_INT_TX; - s0_s = REG_READ(ah, AR_ISR_S0_S); + if (pCap->hw_caps & ATH9K_HW_CAP_RAC_SUPPORTED) { + s0_s = REG_READ(ah, AR_ISR_S0_S); + s1_s = REG_READ(ah, AR_ISR_S1_S); + } else { + s0_s = REG_READ(ah, AR_ISR_S0); + REG_WRITE(ah, AR_ISR_S0, s0_s); + s1_s = REG_READ(ah, AR_ISR_S1); + REG_WRITE(ah, AR_ISR_S1, s1_s); + + isr &= ~(AR_ISR_TXOK | + AR_ISR_TXDESC | + AR_ISR_TXERR | + AR_ISR_TXEOL); + } + ah->intr_txqs |= MS(s0_s, AR_ISR_S0_QCU_TXOK); ah->intr_txqs |= MS(s0_s, AR_ISR_S0_QCU_TXDESC); - - s1_s = REG_READ(ah, AR_ISR_S1_S); ah->intr_txqs |= MS(s1_s, AR_ISR_S1_QCU_TXERR); ah->intr_txqs |= MS(s1_s, AR_ISR_S1_QCU_TXEOL); } @@ -114,13 +133,15 @@ static bool ar9002_hw_get_isr(struct ath_hw *ah, enum ath9k_int *masked) *masked |= mask2; } - if (AR_SREV_9100(ah)) - return true; - - if (isr & AR_ISR_GENTMR) { + if (!AR_SREV_9100(ah) && (isr & AR_ISR_GENTMR)) { u32 s5_s; - s5_s = REG_READ(ah, AR_ISR_S5_S); + if (pCap->hw_caps & ATH9K_HW_CAP_RAC_SUPPORTED) { + s5_s = REG_READ(ah, AR_ISR_S5_S); + } else { + s5_s = REG_READ(ah, AR_ISR_S5); + } + ah->intr_gen_timer_trigger = MS(s5_s, AR_ISR_S5_GENTIMER_TRIG); @@ -133,8 +154,21 @@ static bool ar9002_hw_get_isr(struct ath_hw *ah, enum ath9k_int *masked) if ((s5_s & AR_ISR_S5_TIM_TIMER) && !(pCap->hw_caps & ATH9K_HW_CAP_AUTOSLEEP)) *masked |= ATH9K_INT_TIM_TIMER; + + if (!(pCap->hw_caps & ATH9K_HW_CAP_RAC_SUPPORTED)) { + REG_WRITE(ah, AR_ISR_S5, s5_s); + isr &= ~AR_ISR_GENTMR; + } } + if (!(pCap->hw_caps & ATH9K_HW_CAP_RAC_SUPPORTED)) { + REG_WRITE(ah, AR_ISR, isr); + REG_READ(ah, AR_ISR); + } + + if (AR_SREV_9100(ah)) + return true; + if (sync_cause) { ath9k_debug_sync_cause(common, sync_cause); fatal_int = diff --git a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c index 25b8bbbe74fe..f71a9eded5a4 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c @@ -3937,18 +3937,20 @@ static void ar9003_hw_quick_drop_apply(struct ath_hw *ah, u16 freq) int quick_drop; s32 t[3], f[3] = {5180, 5500, 5785}; - if (!(pBase->miscConfiguration & BIT(1))) + if (!(pBase->miscConfiguration & BIT(4))) return; - if (freq < 4000) - quick_drop = eep->modalHeader2G.quick_drop; - else { - t[0] = eep->base_ext1.quick_drop_low; - t[1] = eep->modalHeader5G.quick_drop; - t[2] = eep->base_ext1.quick_drop_high; - quick_drop = ar9003_hw_power_interpolate(freq, f, t, 3); + if (AR_SREV_9300(ah) || AR_SREV_9580(ah) || AR_SREV_9340(ah)) { + if (freq < 4000) { + quick_drop = eep->modalHeader2G.quick_drop; + } else { + t[0] = eep->base_ext1.quick_drop_low; + t[1] = eep->modalHeader5G.quick_drop; + t[2] = eep->base_ext1.quick_drop_high; + quick_drop = ar9003_hw_power_interpolate(freq, f, t, 3); + } + REG_RMW_FIELD(ah, AR_PHY_AGC, AR_PHY_AGC_QUICK_DROP, quick_drop); } - REG_RMW_FIELD(ah, AR_PHY_AGC, AR_PHY_AGC_QUICK_DROP, quick_drop); } static void ar9003_hw_txend_to_xpa_off_apply(struct ath_hw *ah, bool is2ghz) @@ -3988,7 +3990,7 @@ static void ar9003_hw_xlna_bias_strength_apply(struct ath_hw *ah, bool is2ghz) struct ar9300_eeprom *eep = &ah->eeprom.ar9300_eep; u8 bias; - if (!(eep->baseEepHeader.featureEnable & 0x40)) + if (!(eep->baseEepHeader.miscConfiguration & 0x40)) return; if (!AR_SREV_9300(ah)) diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_main.c b/drivers/net/wireless/ath/ath9k/htc_drv_main.c index 62f1b7636c92..04b3822ef93a 100644 --- a/drivers/net/wireless/ath/ath9k/htc_drv_main.c +++ b/drivers/net/wireless/ath/ath9k/htc_drv_main.c @@ -145,21 +145,26 @@ static void ath9k_htc_bssid_iter(void *data, u8 *mac, struct ieee80211_vif *vif) struct ath9k_vif_iter_data *iter_data = data; int i; - for (i = 0; i < ETH_ALEN; i++) - iter_data->mask[i] &= ~(iter_data->hw_macaddr[i] ^ mac[i]); + if (iter_data->hw_macaddr != NULL) { + for (i = 0; i < ETH_ALEN; i++) + iter_data->mask[i] &= ~(iter_data->hw_macaddr[i] ^ mac[i]); + } else { + iter_data->hw_macaddr = mac; + } } -static void ath9k_htc_set_bssid_mask(struct ath9k_htc_priv *priv, +static void ath9k_htc_set_mac_bssid_mask(struct ath9k_htc_priv *priv, struct ieee80211_vif *vif) { struct ath_common *common = ath9k_hw_common(priv->ah); struct ath9k_vif_iter_data iter_data; /* - * Use the hardware MAC address as reference, the hardware uses it - * together with the BSSID mask when matching addresses. + * Pick the MAC address of the first interface as the new hardware + * MAC address. The hardware will use it together with the BSSID mask + * when matching addresses. */ - iter_data.hw_macaddr = common->macaddr; + iter_data.hw_macaddr = NULL; memset(&iter_data.mask, 0xff, ETH_ALEN); if (vif) @@ -171,6 +176,10 @@ static void ath9k_htc_set_bssid_mask(struct ath9k_htc_priv *priv, ath9k_htc_bssid_iter, &iter_data); memcpy(common->bssidmask, iter_data.mask, ETH_ALEN); + + if (iter_data.hw_macaddr) + memcpy(common->macaddr, iter_data.hw_macaddr, ETH_ALEN); + ath_hw_setbssidmask(common); } @@ -1076,7 +1085,7 @@ static int ath9k_htc_add_interface(struct ieee80211_hw *hw, goto out; } - ath9k_htc_set_bssid_mask(priv, vif); + ath9k_htc_set_mac_bssid_mask(priv, vif); priv->vif_slot |= (1 << avp->index); priv->nvifs++; @@ -1139,7 +1148,7 @@ static void ath9k_htc_remove_interface(struct ieee80211_hw *hw, ath9k_htc_set_opmode(priv); - ath9k_htc_set_bssid_mask(priv, vif); + ath9k_htc_set_mac_bssid_mask(priv, vif); /* * Stop ANI only if there are no associated station interfaces. @@ -1322,21 +1331,22 @@ static void ath9k_htc_sta_rc_update(struct ieee80211_hw *hw, struct ath_common *common = ath9k_hw_common(priv->ah); struct ath9k_htc_target_rate trate; + if (!(changed & IEEE80211_RC_SUPP_RATES_CHANGED)) + return; + mutex_lock(&priv->mutex); ath9k_htc_ps_wakeup(priv); - if (changed & IEEE80211_RC_SUPP_RATES_CHANGED) { - memset(&trate, 0, sizeof(struct ath9k_htc_target_rate)); - ath9k_htc_setup_rate(priv, sta, &trate); - if (!ath9k_htc_send_rate_cmd(priv, &trate)) - ath_dbg(common, CONFIG, - "Supported rates for sta: %pM updated, rate caps: 0x%X\n", - sta->addr, be32_to_cpu(trate.capflags)); - else - ath_dbg(common, CONFIG, - "Unable to update supported rates for sta: %pM\n", - sta->addr); - } + memset(&trate, 0, sizeof(struct ath9k_htc_target_rate)); + ath9k_htc_setup_rate(priv, sta, &trate); + if (!ath9k_htc_send_rate_cmd(priv, &trate)) + ath_dbg(common, CONFIG, + "Supported rates for sta: %pM updated, rate caps: 0x%X\n", + sta->addr, be32_to_cpu(trate.capflags)); + else + ath_dbg(common, CONFIG, + "Unable to update supported rates for sta: %pM\n", + sta->addr); ath9k_htc_ps_restore(priv); mutex_unlock(&priv->mutex); diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c index a8fee08479ef..82a1b5b16b62 100644 --- a/drivers/net/wireless/ath/ath9k/main.c +++ b/drivers/net/wireless/ath/ath9k/main.c @@ -889,8 +889,9 @@ void ath9k_calculate_iter_data(struct ieee80211_hw *hw, struct ath_common *common = ath9k_hw_common(ah); /* - * Use the hardware MAC address as reference, the hardware uses it - * together with the BSSID mask when matching addresses. + * Pick the MAC address of the first interface as the new hardware + * MAC address. The hardware will use it together with the BSSID mask + * when matching addresses. */ memset(iter_data, 0, sizeof(*iter_data)); memset(&iter_data->mask, 0xff, ETH_ALEN); diff --git a/drivers/net/wireless/b43/b43.h b/drivers/net/wireless/b43/b43.h index 7f3d461f7e8d..54376fddfaf9 100644 --- a/drivers/net/wireless/b43/b43.h +++ b/drivers/net/wireless/b43/b43.h @@ -731,8 +731,6 @@ enum b43_firmware_file_type { struct b43_request_fw_context { /* The device we are requesting the fw for. */ struct b43_wldev *dev; - /* a completion event structure needed if this call is asynchronous */ - struct completion fw_load_complete; /* a pointer to the firmware object */ const struct firmware *blob; /* The type of firmware to request. */ @@ -809,6 +807,8 @@ enum { struct b43_wldev { struct b43_bus_dev *dev; struct b43_wl *wl; + /* a completion event structure needed if this call is asynchronous */ + struct completion fw_load_complete; /* The device initialization status. * Use b43_status() to query. */ diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c index a95b77ab360e..0b7edd36cfa2 100644 --- a/drivers/net/wireless/b43/main.c +++ b/drivers/net/wireless/b43/main.c @@ -2068,6 +2068,7 @@ void b43_do_release_fw(struct b43_firmware_file *fw) static void b43_release_firmware(struct b43_wldev *dev) { + complete(&dev->fw_load_complete); b43_do_release_fw(&dev->fw.ucode); b43_do_release_fw(&dev->fw.pcm); b43_do_release_fw(&dev->fw.initvals); @@ -2093,7 +2094,7 @@ static void b43_fw_cb(const struct firmware *firmware, void *context) struct b43_request_fw_context *ctx = context; ctx->blob = firmware; - complete(&ctx->fw_load_complete); + complete(&ctx->dev->fw_load_complete); } int b43_do_request_fw(struct b43_request_fw_context *ctx, @@ -2140,7 +2141,7 @@ int b43_do_request_fw(struct b43_request_fw_context *ctx, } if (async) { /* do this part asynchronously */ - init_completion(&ctx->fw_load_complete); + init_completion(&ctx->dev->fw_load_complete); err = request_firmware_nowait(THIS_MODULE, 1, ctx->fwname, ctx->dev->dev->dev, GFP_KERNEL, ctx, b43_fw_cb); @@ -2148,12 +2149,11 @@ int b43_do_request_fw(struct b43_request_fw_context *ctx, pr_err("Unable to load firmware\n"); return err; } - /* stall here until fw ready */ - wait_for_completion(&ctx->fw_load_complete); + wait_for_completion(&ctx->dev->fw_load_complete); if (ctx->blob) goto fw_ready; /* On some ARM systems, the async request will fail, but the next sync - * request works. For this reason, we dall through here + * request works. For this reason, we fall through here */ } err = request_firmware(&ctx->blob, ctx->fwname, @@ -2422,6 +2422,7 @@ error: static int b43_one_core_attach(struct b43_bus_dev *dev, struct b43_wl *wl); static void b43_one_core_detach(struct b43_bus_dev *dev); +static int b43_rng_init(struct b43_wl *wl); static void b43_request_firmware(struct work_struct *work) { @@ -2473,6 +2474,10 @@ start_ieee80211: goto err_one_core_detach; wl->hw_registred = true; b43_leds_register(wl->current_dev); + + /* Register HW RNG driver */ + b43_rng_init(wl); + goto out; err_one_core_detach: @@ -4634,9 +4639,6 @@ static void b43_wireless_core_exit(struct b43_wldev *dev) if (!dev || b43_status(dev) != B43_STAT_INITIALIZED) return; - /* Unregister HW RNG driver */ - b43_rng_exit(dev->wl); - b43_set_status(dev, B43_STAT_UNINIT); /* Stop the microcode PSM. */ @@ -4779,9 +4781,6 @@ static int b43_wireless_core_init(struct b43_wldev *dev) b43_set_status(dev, B43_STAT_INITIALIZED); - /* Register HW RNG driver */ - b43_rng_init(dev->wl); - out: return err; @@ -5442,6 +5441,9 @@ static void b43_bcma_remove(struct bcma_device *core) b43_one_core_detach(wldev->dev); + /* Unregister HW RNG driver */ + b43_rng_exit(wl); + b43_leds_unregister(wl); ieee80211_free_hw(wl->hw); @@ -5519,6 +5521,9 @@ static void b43_ssb_remove(struct ssb_device *sdev) b43_one_core_detach(dev); + /* Unregister HW RNG driver */ + b43_rng_exit(wl); + if (list_empty(&wl->devlist)) { b43_leds_unregister(wl); /* Last core on the chip unregistered. diff --git a/drivers/net/wireless/b43/xmit.c b/drivers/net/wireless/b43/xmit.c index 8cb206a89083..e85d34b76039 100644 --- a/drivers/net/wireless/b43/xmit.c +++ b/drivers/net/wireless/b43/xmit.c @@ -821,10 +821,10 @@ void b43_rx(struct b43_wldev *dev, struct sk_buff *skb, const void *_rxhdr) * channel number in b43. */ if (chanstat & B43_RX_CHAN_5GHZ) { status.band = IEEE80211_BAND_5GHZ; - status.freq = b43_freq_to_channel_5ghz(chanid); + status.freq = b43_channel_to_freq_5ghz(chanid); } else { status.band = IEEE80211_BAND_2GHZ; - status.freq = b43_freq_to_channel_2ghz(chanid); + status.freq = b43_channel_to_freq_2ghz(chanid); } break; default: diff --git a/drivers/net/wireless/b43legacy/main.c b/drivers/net/wireless/b43legacy/main.c index 572668821862..349c77605231 100644 --- a/drivers/net/wireless/b43legacy/main.c +++ b/drivers/net/wireless/b43legacy/main.c @@ -3919,6 +3919,7 @@ static void b43legacy_remove(struct ssb_device *dev) * as the ieee80211 unreg will destroy the workqueue. */ cancel_work_sync(&wldev->restart_work); cancel_work_sync(&wl->firmware_load); + complete(&wldev->fw_load_complete); B43legacy_WARN_ON(!wl); if (!wldev->fw.ucode) diff --git a/drivers/net/wireless/iwlwifi/iwl-7000.c b/drivers/net/wireless/iwlwifi/iwl-7000.c index 822443c5a3b5..9fd01dc5146b 100644 --- a/drivers/net/wireless/iwlwifi/iwl-7000.c +++ b/drivers/net/wireless/iwlwifi/iwl-7000.c @@ -131,6 +131,7 @@ const struct iwl_cfg iwl7260_2ac_cfg = { .ht_params = &iwl7000_ht_params, .nvm_ver = IWL7260_NVM_VERSION, .nvm_calib_ver = IWL7260_TX_POWER_VERSION, + .host_interrupt_operation_mode = true, }; const struct iwl_cfg iwl7260_2n_cfg = { @@ -140,6 +141,7 @@ const struct iwl_cfg iwl7260_2n_cfg = { .ht_params = &iwl7000_ht_params, .nvm_ver = IWL7260_NVM_VERSION, .nvm_calib_ver = IWL7260_TX_POWER_VERSION, + .host_interrupt_operation_mode = true, }; const struct iwl_cfg iwl7260_n_cfg = { @@ -149,6 +151,7 @@ const struct iwl_cfg iwl7260_n_cfg = { .ht_params = &iwl7000_ht_params, .nvm_ver = IWL7260_NVM_VERSION, .nvm_calib_ver = IWL7260_TX_POWER_VERSION, + .host_interrupt_operation_mode = true, }; const struct iwl_cfg iwl3160_2ac_cfg = { @@ -158,6 +161,7 @@ const struct iwl_cfg iwl3160_2ac_cfg = { .ht_params = &iwl7000_ht_params, .nvm_ver = IWL3160_NVM_VERSION, .nvm_calib_ver = IWL3160_TX_POWER_VERSION, + .host_interrupt_operation_mode = true, }; const struct iwl_cfg iwl3160_2n_cfg = { @@ -167,6 +171,7 @@ const struct iwl_cfg iwl3160_2n_cfg = { .ht_params = &iwl7000_ht_params, .nvm_ver = IWL3160_NVM_VERSION, .nvm_calib_ver = IWL3160_TX_POWER_VERSION, + .host_interrupt_operation_mode = true, }; const struct iwl_cfg iwl3160_n_cfg = { @@ -176,6 +181,7 @@ const struct iwl_cfg iwl3160_n_cfg = { .ht_params = &iwl7000_ht_params, .nvm_ver = IWL3160_NVM_VERSION, .nvm_calib_ver = IWL3160_TX_POWER_VERSION, + .host_interrupt_operation_mode = true, }; MODULE_FIRMWARE(IWL7260_MODULE_FIRMWARE(IWL7260_UCODE_API_OK)); diff --git a/drivers/net/wireless/iwlwifi/iwl-config.h b/drivers/net/wireless/iwlwifi/iwl-config.h index 44e3370ce343..8ca006b12a32 100644 --- a/drivers/net/wireless/iwlwifi/iwl-config.h +++ b/drivers/net/wireless/iwlwifi/iwl-config.h @@ -241,6 +241,8 @@ struct iwl_eeprom_params { * @rx_with_siso_diversity: 1x1 device with rx antenna diversity * @internal_wimax_coex: internal wifi/wimax combo device * @temp_offset_v2: support v2 of temperature offset calibration + * @host_interrupt_operation_mode: device needs host interrupt operation + * mode set * * We enable the driver to be backward compatible wrt. hardware features. * API differences in uCode shouldn't be handled here but through TLVs @@ -273,6 +275,7 @@ struct iwl_cfg { const bool rx_with_siso_diversity; const bool internal_wimax_coex; const bool temp_offset_v2; + const bool host_interrupt_operation_mode; }; /* diff --git a/drivers/net/wireless/iwlwifi/iwl-csr.h b/drivers/net/wireless/iwlwifi/iwl-csr.h index 20e845d4da04..bba1af4d406c 100644 --- a/drivers/net/wireless/iwlwifi/iwl-csr.h +++ b/drivers/net/wireless/iwlwifi/iwl-csr.h @@ -463,13 +463,10 @@ * the CSR_INT_COALESCING is an 8 bit register in 32-usec unit * * default interrupt coalescing timer is 64 x 32 = 2048 usecs - * default interrupt coalescing calibration timer is 16 x 32 = 512 usecs */ #define IWL_HOST_INT_TIMEOUT_MAX (0xFF) #define IWL_HOST_INT_TIMEOUT_DEF (0x40) #define IWL_HOST_INT_TIMEOUT_MIN (0x0) -#define IWL_HOST_INT_CALIB_TIMEOUT_MAX (0xFF) -#define IWL_HOST_INT_CALIB_TIMEOUT_DEF (0x10) -#define IWL_HOST_INT_CALIB_TIMEOUT_MIN (0x0) +#define IWL_HOST_INT_OPER_MODE BIT(31) #endif /* !__iwl_csr_h__ */ diff --git a/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c b/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c index 6199a0a597a6..a7cf535216c9 100644 --- a/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c +++ b/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c @@ -180,6 +180,11 @@ static int iwl_init_channel_map(struct device *dev, const struct iwl_cfg *cfg, for (ch_idx = 0; ch_idx < IWL_NUM_CHANNELS; ch_idx++) { ch_flags = __le16_to_cpup(nvm_ch_flags + ch_idx); + + if (ch_idx >= NUM_2GHZ_CHANNELS && + !data->sku_cap_band_52GHz_enable) + ch_flags &= ~NVM_CHANNEL_VALID; + if (!(ch_flags & NVM_CHANNEL_VALID)) { IWL_DEBUG_EEPROM(dev, "Ch. %d Flags %x [%sGHz] - No traffic\n", diff --git a/drivers/net/wireless/iwlwifi/iwl-prph.h b/drivers/net/wireless/iwlwifi/iwl-prph.h index 386f2a7c87cb..c26a6dc21eef 100644 --- a/drivers/net/wireless/iwlwifi/iwl-prph.h +++ b/drivers/net/wireless/iwlwifi/iwl-prph.h @@ -260,4 +260,8 @@ static inline unsigned int SCD_QUEUE_STATUS_BITS(unsigned int chnl) /*********************** END TX SCHEDULER *************************************/ +/* Oscillator clock */ +#define OSC_CLK (0xa04068) +#define OSC_CLK_FORCE_CONTROL (0x8) + #endif /* __iwl_prph_h__ */ diff --git a/drivers/net/wireless/iwlwifi/mvm/debugfs.c b/drivers/net/wireless/iwlwifi/mvm/debugfs.c index 2053dccefcd6..109dc8e437f5 100644 --- a/drivers/net/wireless/iwlwifi/mvm/debugfs.c +++ b/drivers/net/wireless/iwlwifi/mvm/debugfs.c @@ -119,6 +119,10 @@ static ssize_t iwl_dbgfs_sta_drain_write(struct file *file, if (sscanf(buf, "%d %d", &sta_id, &drain) != 2) return -EINVAL; + if (sta_id < 0 || sta_id >= IWL_MVM_STATION_COUNT) + return -EINVAL; + if (drain < 0 || drain > 1) + return -EINVAL; mutex_lock(&mvm->mutex); diff --git a/drivers/net/wireless/iwlwifi/mvm/ops.c b/drivers/net/wireless/iwlwifi/mvm/ops.c index b29c31a41594..388c8a914960 100644 --- a/drivers/net/wireless/iwlwifi/mvm/ops.c +++ b/drivers/net/wireless/iwlwifi/mvm/ops.c @@ -424,6 +424,7 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg, out_unregister: ieee80211_unregister_hw(mvm->hw); + iwl_mvm_leds_exit(mvm); out_free: iwl_phy_db_free(mvm->phy_db); kfree(mvm->scan_cmd); diff --git a/drivers/net/wireless/iwlwifi/mvm/scan.c b/drivers/net/wireless/iwlwifi/mvm/scan.c index 8e1f6c095a9e..b987dfb879df 100644 --- a/drivers/net/wireless/iwlwifi/mvm/scan.c +++ b/drivers/net/wireless/iwlwifi/mvm/scan.c @@ -313,7 +313,8 @@ int iwl_mvm_scan_request(struct iwl_mvm *mvm, iwl_mvm_scan_fill_ssids(cmd, req); - cmd->tx_cmd.tx_flags = cpu_to_le32(TX_CMD_FLG_SEQ_CTL); + cmd->tx_cmd.tx_flags = cpu_to_le32(TX_CMD_FLG_SEQ_CTL | + TX_CMD_FLG_BT_DIS); cmd->tx_cmd.sta_id = mvm->aux_sta.sta_id; cmd->tx_cmd.life_time = cpu_to_le32(TX_CMD_LIFE_TIME_INFINITE); cmd->tx_cmd.rate_n_flags = diff --git a/drivers/net/wireless/iwlwifi/mvm/utils.c b/drivers/net/wireless/iwlwifi/mvm/utils.c index 687b34e387ac..0d9e08160fec 100644 --- a/drivers/net/wireless/iwlwifi/mvm/utils.c +++ b/drivers/net/wireless/iwlwifi/mvm/utils.c @@ -401,6 +401,8 @@ void iwl_mvm_dump_nic_error_log(struct iwl_mvm *mvm) mvm->status, table.valid); } + IWL_ERR(mvm, "Loaded firmware version: %s\n", mvm->fw->fw_version); + trace_iwlwifi_dev_ucode_error(trans->dev, table.error_id, table.tsf_low, table.data1, table.data2, table.data3, table.blink1, table.blink2, table.ilink1, diff --git a/drivers/net/wireless/iwlwifi/pcie/rx.c b/drivers/net/wireless/iwlwifi/pcie/rx.c index 567e67ad1f61..296026b08a0c 100644 --- a/drivers/net/wireless/iwlwifi/pcie/rx.c +++ b/drivers/net/wireless/iwlwifi/pcie/rx.c @@ -489,6 +489,10 @@ static void iwl_pcie_rx_hw_init(struct iwl_trans *trans, struct iwl_rxq *rxq) /* Set interrupt coalescing timer to default (2048 usecs) */ iwl_write8(trans, CSR_INT_COALESCING, IWL_HOST_INT_TIMEOUT_DEF); + + /* W/A for interrupt coalescing bug in 7260 and 3160 */ + if (trans->cfg->host_interrupt_operation_mode) + iwl_set_bit(trans, CSR_INT_COALESCING, IWL_HOST_INT_OPER_MODE); } int iwl_pcie_rx_init(struct iwl_trans *trans) diff --git a/drivers/net/wireless/iwlwifi/pcie/trans.c b/drivers/net/wireless/iwlwifi/pcie/trans.c index aeb70e13137a..4088dd5e9244 100644 --- a/drivers/net/wireless/iwlwifi/pcie/trans.c +++ b/drivers/net/wireless/iwlwifi/pcie/trans.c @@ -207,6 +207,22 @@ static int iwl_pcie_apm_init(struct iwl_trans *trans) } /* + * Enable the oscillator to count wake up time for L1 exit. This + * consumes slightly more power (100uA) - but allows to be sure + * that we wake up from L1 on time. + * + * This looks weird: read twice the same register, discard the + * value, set a bit, and yet again, read that same register + * just to discard the value. But that's the way the hardware + * seems to like it. + */ + iwl_read_prph(trans, OSC_CLK); + iwl_read_prph(trans, OSC_CLK); + iwl_set_bits_prph(trans, OSC_CLK, OSC_CLK_FORCE_CONTROL); + iwl_read_prph(trans, OSC_CLK); + iwl_read_prph(trans, OSC_CLK); + + /* * Enable DMA clock and wait for it to stabilize. * * Write to "CLK_EN_REG"; "1" bits enable clocks, while "0" bits @@ -276,9 +292,6 @@ static int iwl_pcie_nic_init(struct iwl_trans *trans) spin_lock_irqsave(&trans_pcie->irq_lock, flags); iwl_pcie_apm_init(trans); - /* Set interrupt coalescing calibration timer to default (512 usecs) */ - iwl_write8(trans, CSR_INT_COALESCING, IWL_HOST_INT_CALIB_TIMEOUT_DEF); - spin_unlock_irqrestore(&trans_pcie->irq_lock, flags); iwl_pcie_set_pwr(trans, false); diff --git a/drivers/net/wireless/mwifiex/fw.h b/drivers/net/wireless/mwifiex/fw.h index 1f7578d553ec..5400a1e58d79 100644 --- a/drivers/net/wireless/mwifiex/fw.h +++ b/drivers/net/wireless/mwifiex/fw.h @@ -228,7 +228,7 @@ enum MWIFIEX_802_11_PRIVACY_FILTER { /* HW_SPEC fw_cap_info */ -#define ISSUPP_11ACENABLED(fw_cap_info) (fw_cap_info & (BIT(13)|BIT(14))) +#define ISSUPP_11ACENABLED(fw_cap_info) (fw_cap_info & (BIT(12)|BIT(13))) #define GET_VHTCAP_CHWDSET(vht_cap_info) ((vht_cap_info >> 2) & 0x3) #define GET_VHTNSSMCS(mcs_mapset, nss) ((mcs_mapset >> (2 * (nss - 1))) & 0x3) diff --git a/drivers/net/wireless/mwifiex/scan.c b/drivers/net/wireless/mwifiex/scan.c index 9cf5d8f07df8..50b2fe53219d 100644 --- a/drivers/net/wireless/mwifiex/scan.c +++ b/drivers/net/wireless/mwifiex/scan.c @@ -1622,7 +1622,7 @@ int mwifiex_ret_802_11_scan(struct mwifiex_private *priv, const u8 *ie_buf; size_t ie_len; u16 channel = 0; - u64 fw_tsf = 0; + __le64 fw_tsf = 0; u16 beacon_size = 0; u32 curr_bcn_bytes; u32 freq; @@ -1749,7 +1749,7 @@ int mwifiex_ret_802_11_scan(struct mwifiex_private *priv, ie_buf, ie_len, rssi, GFP_KERNEL); bss_priv = (struct mwifiex_bss_priv *)bss->priv; bss_priv->band = band; - bss_priv->fw_tsf = fw_tsf; + bss_priv->fw_tsf = le64_to_cpu(fw_tsf); if (priv->media_connected && !memcmp(bssid, priv->curr_bss_params.bss_descriptor diff --git a/drivers/net/wireless/mwifiex/sta_ioctl.c b/drivers/net/wireless/mwifiex/sta_ioctl.c index 23aa910bc5d0..0a9f59c5ab5a 100644 --- a/drivers/net/wireless/mwifiex/sta_ioctl.c +++ b/drivers/net/wireless/mwifiex/sta_ioctl.c @@ -309,8 +309,8 @@ int mwifiex_bss_start(struct mwifiex_private *priv, struct cfg80211_bss *bss, if (bss_desc && bss_desc->ssid.ssid_len && (!mwifiex_ssid_cmp(&priv->curr_bss_params.bss_descriptor. ssid, &bss_desc->ssid))) { - kfree(bss_desc); - return 0; + ret = 0; + goto done; } /* Exit Adhoc mode first */ diff --git a/drivers/net/wireless/rtl818x/rtl8187/rtl8187.h b/drivers/net/wireless/rtl818x/rtl8187/rtl8187.h index e19a20a8e955..ecd1ac424047 100644 --- a/drivers/net/wireless/rtl818x/rtl8187/rtl8187.h +++ b/drivers/net/wireless/rtl818x/rtl8187/rtl8187.h @@ -15,6 +15,8 @@ #ifndef RTL8187_H #define RTL8187_H +#include <linux/cache.h> + #include "rtl818x.h" #include "leds.h" @@ -139,7 +141,10 @@ struct rtl8187_priv { u8 aifsn[4]; u8 rfkill_mask; struct { - __le64 buf; + union { + __le64 buf; + u8 dummy1[L1_CACHE_BYTES]; + } ____cacheline_aligned; struct sk_buff_head queue; } b_tx_status; /* This queue is used by both -b and non-b devices */ struct mutex io_mutex; @@ -147,7 +152,8 @@ struct rtl8187_priv { u8 bits8; __le16 bits16; __le32 bits32; - } *io_dmabuf; + u8 dummy2[L1_CACHE_BYTES]; + } *io_dmabuf ____cacheline_aligned; bool rfkill_off; u16 seqno; }; diff --git a/drivers/net/wireless/rtlwifi/base.c b/drivers/net/wireless/rtlwifi/base.c index 3698028c910d..6fc0853fd7f9 100644 --- a/drivers/net/wireless/rtlwifi/base.c +++ b/drivers/net/wireless/rtlwifi/base.c @@ -1427,7 +1427,8 @@ void rtl_watchdog_wq_callback(void *data) /* if we can't recv beacon for 6s, we should * reconnect this AP */ - if (rtlpriv->link_info.roam_times >= 3) { + if ((rtlpriv->link_info.roam_times >= 3) && + !is_zero_ether_addr(rtlpriv->mac80211.bssid)) { RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, "AP off, try to reconnect now\n"); rtlpriv->link_info.roam_times = 0; diff --git a/drivers/net/wireless/rtlwifi/core.c b/drivers/net/wireless/rtlwifi/core.c index ee84844be008..e2301970c85e 100644 --- a/drivers/net/wireless/rtlwifi/core.c +++ b/drivers/net/wireless/rtlwifi/core.c @@ -46,10 +46,20 @@ void rtl_fw_cb(const struct firmware *firmware, void *context) "Firmware callback routine entered!\n"); complete(&rtlpriv->firmware_loading_complete); if (!firmware) { + if (rtlpriv->cfg->alt_fw_name) { + err = request_firmware(&firmware, + rtlpriv->cfg->alt_fw_name, + rtlpriv->io.dev); + pr_info("Loading alternative firmware %s\n", + rtlpriv->cfg->alt_fw_name); + if (!err) + goto found_alt; + } pr_err("Firmware %s not available\n", rtlpriv->cfg->fw_name); rtlpriv->max_fw_size = 0; return; } +found_alt: if (firmware->size > rtlpriv->max_fw_size) { RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, "Firmware is too big!\n"); @@ -184,6 +194,7 @@ static int rtl_op_add_interface(struct ieee80211_hw *hw, rtlpriv->cfg->maps [RTL_IBSS_INT_MASKS]); } + mac->link_state = MAC80211_LINKED; break; case NL80211_IFTYPE_ADHOC: RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, diff --git a/drivers/net/wireless/rtlwifi/pci.c b/drivers/net/wireless/rtlwifi/pci.c index 16b6070ae53b..845c8ac1ddf4 100644 --- a/drivers/net/wireless/rtlwifi/pci.c +++ b/drivers/net/wireless/rtlwifi/pci.c @@ -734,6 +734,8 @@ static void _rtl_pci_rx_interrupt(struct ieee80211_hw *hw) }; int index = rtlpci->rx_ring[rx_queue_idx].idx; + if (rtlpci->driver_is_goingto_unload) + return; /*RX NORMAL PKT */ while (count--) { /*rx descriptor */ @@ -1630,6 +1632,7 @@ static void rtl_pci_stop(struct ieee80211_hw *hw) */ set_hal_stop(rtlhal); + rtlpci->driver_is_goingto_unload = true; rtlpriv->cfg->ops->disable_interrupt(hw); cancel_work_sync(&rtlpriv->works.lps_change_work); @@ -1647,7 +1650,6 @@ static void rtl_pci_stop(struct ieee80211_hw *hw) ppsc->rfchange_inprogress = true; spin_unlock_irqrestore(&rtlpriv->locks.rf_ps_lock, flags); - rtlpci->driver_is_goingto_unload = true; rtlpriv->cfg->ops->hw_disable(hw); /* some things are not needed if firmware not available */ if (!rtlpriv->max_fw_size) diff --git a/drivers/net/wireless/rtlwifi/ps.c b/drivers/net/wireless/rtlwifi/ps.c index 71e917db8338..ace1a087fe8a 100644 --- a/drivers/net/wireless/rtlwifi/ps.c +++ b/drivers/net/wireless/rtlwifi/ps.c @@ -48,7 +48,7 @@ bool rtl_ps_enable_nic(struct ieee80211_hw *hw) /*<2> Enable Adapter */ if (rtlpriv->cfg->ops->hw_init(hw)) - return 1; + return false; RT_CLEAR_PS_LEVEL(ppsc, RT_RF_OFF_LEVL_HALT_NIC); /*<3> Enable Interrupt */ diff --git a/drivers/net/wireless/rtlwifi/rtl8188ee/dm.c b/drivers/net/wireless/rtlwifi/rtl8188ee/dm.c index 21a5cf060677..a6184b6e1d57 100644 --- a/drivers/net/wireless/rtlwifi/rtl8188ee/dm.c +++ b/drivers/net/wireless/rtlwifi/rtl8188ee/dm.c @@ -1078,7 +1078,7 @@ static void rtl88e_dm_txpower_tracking_callback_thermalmeter(struct ieee80211_hw rtldm->swing_flag_ofdm = true; } - if (rtldm->swing_idx_cck != rtldm->swing_idx_cck) { + if (rtldm->swing_idx_cck_cur != rtldm->swing_idx_cck) { rtldm->swing_idx_cck_cur = rtldm->swing_idx_cck; rtldm->swing_flag_cck = true; } diff --git a/drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c b/drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c index d2d57a27a7c1..06cb94cf5085 100644 --- a/drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c +++ b/drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c @@ -158,6 +158,42 @@ static const u8 cckswing_table_ch14[CCK_TABLE_SIZE][8] = { {0x09, 0x08, 0x07, 0x04, 0x00, 0x00, 0x00, 0x00} }; +static u32 power_index_reg[6] = {0xc90, 0xc91, 0xc92, 0xc98, 0xc99, 0xc9a}; + +void dm_restorepowerindex(struct ieee80211_hw *hw) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + u8 index; + + for (index = 0; index < 6; index++) + rtl_write_byte(rtlpriv, power_index_reg[index], + rtlpriv->dm.powerindex_backup[index]); +} +EXPORT_SYMBOL_GPL(dm_restorepowerindex); + +void dm_writepowerindex(struct ieee80211_hw *hw, u8 value) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + u8 index; + + for (index = 0; index < 6; index++) + rtl_write_byte(rtlpriv, power_index_reg[index], value); +} +EXPORT_SYMBOL_GPL(dm_writepowerindex); + +void dm_savepowerindex(struct ieee80211_hw *hw) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + u8 index; + u8 tmp; + + for (index = 0; index < 6; index++) { + tmp = rtl_read_byte(rtlpriv, power_index_reg[index]); + rtlpriv->dm.powerindex_backup[index] = tmp; + } +} +EXPORT_SYMBOL_GPL(dm_savepowerindex); + static void rtl92c_dm_diginit(struct ieee80211_hw *hw) { struct rtl_priv *rtlpriv = rtl_priv(hw); diff --git a/drivers/net/wireless/rtlwifi/rtl8192c/dm_common.h b/drivers/net/wireless/rtlwifi/rtl8192c/dm_common.h index 518e208c0180..4f232a063636 100644 --- a/drivers/net/wireless/rtlwifi/rtl8192c/dm_common.h +++ b/drivers/net/wireless/rtlwifi/rtl8192c/dm_common.h @@ -91,6 +91,17 @@ #define TX_POWER_NEAR_FIELD_THRESH_LVL2 74 #define TX_POWER_NEAR_FIELD_THRESH_LVL1 67 +#define DYNAMIC_FUNC_DISABLE 0x0 +#define DYNAMIC_FUNC_DIG BIT(0) +#define DYNAMIC_FUNC_HP BIT(1) +#define DYNAMIC_FUNC_SS BIT(2) /*Tx Power Tracking*/ +#define DYNAMIC_FUNC_BT BIT(3) +#define DYNAMIC_FUNC_ANT_DIV BIT(4) + +#define RSSI_CCK 0 +#define RSSI_OFDM 1 +#define RSSI_DEFAULT 2 + struct swat_t { u8 failure_cnt; u8 try_flag; @@ -167,5 +178,8 @@ void rtl92c_phy_lc_calibrate(struct ieee80211_hw *hw); void rtl92c_phy_iq_calibrate(struct ieee80211_hw *hw, bool recovery); void rtl92c_dm_dynamic_txpower(struct ieee80211_hw *hw); void rtl92c_dm_bt_coexist(struct ieee80211_hw *hw); +void dm_savepowerindex(struct ieee80211_hw *hw); +void dm_writepowerindex(struct ieee80211_hw *hw, u8 value); +void dm_restorepowerindex(struct ieee80211_hw *hw); #endif diff --git a/drivers/net/wireless/rtlwifi/rtl8192ce/hw.c b/drivers/net/wireless/rtlwifi/rtl8192ce/hw.c index a82b30a1996c..2eb0b38384dd 100644 --- a/drivers/net/wireless/rtlwifi/rtl8192ce/hw.c +++ b/drivers/net/wireless/rtlwifi/rtl8192ce/hw.c @@ -937,14 +937,26 @@ int rtl92ce_hw_init(struct ieee80211_hw *hw) bool is92c; int err; u8 tmp_u1b; + unsigned long flags; rtlpci->being_init_adapter = true; + + /* Since this function can take a very long time (up to 350 ms) + * and can be called with irqs disabled, reenable the irqs + * to let the other devices continue being serviced. + * + * It is safe doing so since our own interrupts will only be enabled + * in a subsequent step. + */ + local_save_flags(flags); + local_irq_enable(); + rtlpriv->intf_ops->disable_aspm(hw); rtstatus = _rtl92ce_init_mac(hw); if (!rtstatus) { RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, "Init MAC failed\n"); err = 1; - return err; + goto exit; } err = rtl92c_download_fw(hw); @@ -952,7 +964,7 @@ int rtl92ce_hw_init(struct ieee80211_hw *hw) RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING, "Failed to download FW. Init HW without FW now..\n"); err = 1; - return err; + goto exit; } rtlhal->last_hmeboxnum = 0; @@ -1032,6 +1044,8 @@ int rtl92ce_hw_init(struct ieee80211_hw *hw) RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, "under 1.5V\n"); } rtl92c_dm_init(hw); +exit: + local_irq_restore(flags); rtlpci->being_init_adapter = false; return err; } diff --git a/drivers/net/wireless/rtlwifi/rtl8192cu/dm.c b/drivers/net/wireless/rtlwifi/rtl8192cu/dm.c index 16a0b9e59acf..c16209a336ea 100644 --- a/drivers/net/wireless/rtlwifi/rtl8192cu/dm.c +++ b/drivers/net/wireless/rtlwifi/rtl8192cu/dm.c @@ -101,6 +101,15 @@ void rtl92cu_dm_dynamic_txpower(struct ieee80211_hw *hw) "PHY_SetTxPowerLevel8192S() Channel = %d\n", rtlphy->current_channel); rtl92c_phy_set_txpower_level(hw, rtlphy->current_channel); + if (rtlpriv->dm.dynamic_txhighpower_lvl == + TXHIGHPWRLEVEL_NORMAL) + dm_restorepowerindex(hw); + else if (rtlpriv->dm.dynamic_txhighpower_lvl == + TXHIGHPWRLEVEL_LEVEL1) + dm_writepowerindex(hw, 0x14); + else if (rtlpriv->dm.dynamic_txhighpower_lvl == + TXHIGHPWRLEVEL_LEVEL2) + dm_writepowerindex(hw, 0x10); } rtlpriv->dm.last_dtp_lvl = rtlpriv->dm.dynamic_txhighpower_lvl; diff --git a/drivers/net/wireless/rtlwifi/rtl8192cu/dm.h b/drivers/net/wireless/rtlwifi/rtl8192cu/dm.h index d947e7d350bb..fafa6bac2a3f 100644 --- a/drivers/net/wireless/rtlwifi/rtl8192cu/dm.h +++ b/drivers/net/wireless/rtlwifi/rtl8192cu/dm.h @@ -30,3 +30,6 @@ #include "../rtl8192ce/dm.h" void rtl92cu_dm_dynamic_txpower(struct ieee80211_hw *hw); +void dm_savepowerindex(struct ieee80211_hw *hw); +void dm_writepowerindex(struct ieee80211_hw *hw, u8 value); +void dm_restorepowerindex(struct ieee80211_hw *hw); diff --git a/drivers/net/wireless/rtlwifi/rtl8192cu/rf.c b/drivers/net/wireless/rtlwifi/rtl8192cu/rf.c index 2119313a737b..b878d56d2f4d 100644 --- a/drivers/net/wireless/rtlwifi/rtl8192cu/rf.c +++ b/drivers/net/wireless/rtlwifi/rtl8192cu/rf.c @@ -85,17 +85,15 @@ void rtl92cu_phy_rf6052_set_cck_txpower(struct ieee80211_hw *hw, if (mac->act_scanning) { tx_agc[RF90_PATH_A] = 0x3f3f3f3f; tx_agc[RF90_PATH_B] = 0x3f3f3f3f; - if (turbo_scanoff) { - for (idx1 = RF90_PATH_A; idx1 <= RF90_PATH_B; idx1++) { - tx_agc[idx1] = ppowerlevel[idx1] | - (ppowerlevel[idx1] << 8) | - (ppowerlevel[idx1] << 16) | - (ppowerlevel[idx1] << 24); - if (rtlhal->interface == INTF_USB) { - if (tx_agc[idx1] > 0x20 && - rtlefuse->external_pa) - tx_agc[idx1] = 0x20; - } + for (idx1 = RF90_PATH_A; idx1 <= RF90_PATH_B; idx1++) { + tx_agc[idx1] = ppowerlevel[idx1] | + (ppowerlevel[idx1] << 8) | + (ppowerlevel[idx1] << 16) | + (ppowerlevel[idx1] << 24); + if (rtlhal->interface == INTF_USB) { + if (tx_agc[idx1] > 0x20 && + rtlefuse->external_pa) + tx_agc[idx1] = 0x20; } } } else { @@ -107,7 +105,7 @@ void rtl92cu_phy_rf6052_set_cck_txpower(struct ieee80211_hw *hw, TXHIGHPWRLEVEL_LEVEL2) { tx_agc[RF90_PATH_A] = 0x00000000; tx_agc[RF90_PATH_B] = 0x00000000; - } else{ + } else { for (idx1 = RF90_PATH_A; idx1 <= RF90_PATH_B; idx1++) { tx_agc[idx1] = ppowerlevel[idx1] | (ppowerlevel[idx1] << 8) | @@ -373,7 +371,12 @@ static void _rtl92c_write_ofdm_power_reg(struct ieee80211_hw *hw, regoffset == RTXAGC_B_MCS07_MCS04) regoffset = 0xc98; for (i = 0; i < 3; i++) { - writeVal = (writeVal > 6) ? (writeVal - 6) : 0; + if (i != 2) + writeVal = (writeVal > 8) ? + (writeVal - 8) : 0; + else + writeVal = (writeVal > 6) ? + (writeVal - 6) : 0; rtl_write_byte(rtlpriv, (u32)(regoffset + i), (u8)writeVal); } diff --git a/drivers/net/wireless/rtlwifi/rtl8192cu/sw.c b/drivers/net/wireless/rtlwifi/rtl8192cu/sw.c index 2bd598526217..8188dcb512f0 100644 --- a/drivers/net/wireless/rtlwifi/rtl8192cu/sw.c +++ b/drivers/net/wireless/rtlwifi/rtl8192cu/sw.c @@ -49,6 +49,9 @@ MODULE_AUTHOR("Larry Finger <Larry.Finger@lwfinger.net>"); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("Realtek 8192C/8188C 802.11n USB wireless"); MODULE_FIRMWARE("rtlwifi/rtl8192cufw.bin"); +MODULE_FIRMWARE("rtlwifi/rtl8192cufw_A.bin"); +MODULE_FIRMWARE("rtlwifi/rtl8192cufw_B.bin"); +MODULE_FIRMWARE("rtlwifi/rtl8192cufw_TMSC.bin"); static int rtl92cu_init_sw_vars(struct ieee80211_hw *hw) { @@ -68,14 +71,21 @@ static int rtl92cu_init_sw_vars(struct ieee80211_hw *hw) "Can't alloc buffer for fw\n"); return 1; } - + if (IS_VENDOR_UMC_A_CUT(rtlpriv->rtlhal.version) && + !IS_92C_SERIAL(rtlpriv->rtlhal.version)) { + rtlpriv->cfg->fw_name = "rtlwifi/rtl8192cufw_A.bin"; + } else if (IS_81xxC_VENDOR_UMC_B_CUT(rtlpriv->rtlhal.version)) { + rtlpriv->cfg->fw_name = "rtlwifi/rtl8192cufw_B.bin"; + } else { + rtlpriv->cfg->fw_name = "rtlwifi/rtl8192cufw_TMSC.bin"; + } + /* provide name of alternative file */ + rtlpriv->cfg->alt_fw_name = "rtlwifi/rtl8192cufw.bin"; pr_info("Loading firmware %s\n", rtlpriv->cfg->fw_name); rtlpriv->max_fw_size = 0x4000; err = request_firmware_nowait(THIS_MODULE, 1, rtlpriv->cfg->fw_name, rtlpriv->io.dev, GFP_KERNEL, hw, rtl_fw_cb); - - return err; } @@ -306,6 +316,7 @@ static struct usb_device_id rtl8192c_usb_ids[] = { {RTL_USB_DEVICE(0x0bda, 0x5088, rtl92cu_hal_cfg)}, /*Thinkware-CC&C*/ {RTL_USB_DEVICE(0x0df6, 0x0052, rtl92cu_hal_cfg)}, /*Sitecom - Edimax*/ {RTL_USB_DEVICE(0x0df6, 0x005c, rtl92cu_hal_cfg)}, /*Sitecom - Edimax*/ + {RTL_USB_DEVICE(0x0df6, 0x0077, rtl92cu_hal_cfg)}, /*Sitecom-WLA2100V2*/ {RTL_USB_DEVICE(0x0eb0, 0x9071, rtl92cu_hal_cfg)}, /*NO Brand - Etop*/ {RTL_USB_DEVICE(0x4856, 0x0091, rtl92cu_hal_cfg)}, /*NetweeN - Feixun*/ /* HP - Lite-On ,8188CUS Slim Combo */ diff --git a/drivers/net/wireless/rtlwifi/stats.c b/drivers/net/wireless/rtlwifi/stats.c index 8ed31744a054..4f083fc1d360 100644 --- a/drivers/net/wireless/rtlwifi/stats.c +++ b/drivers/net/wireless/rtlwifi/stats.c @@ -176,6 +176,7 @@ static void rtl_process_pwdb(struct ieee80211_hw *hw, struct rtl_stats *pstatus) struct rtl_sta_info *drv_priv = NULL; struct ieee80211_sta *sta = NULL; long undec_sm_pwdb; + long undec_sm_cck; rcu_read_lock(); if (rtlpriv->mac80211.opmode != NL80211_IFTYPE_STATION) @@ -185,12 +186,16 @@ static void rtl_process_pwdb(struct ieee80211_hw *hw, struct rtl_stats *pstatus) if (sta) { drv_priv = (struct rtl_sta_info *) sta->drv_priv; undec_sm_pwdb = drv_priv->rssi_stat.undec_sm_pwdb; + undec_sm_cck = drv_priv->rssi_stat.undec_sm_cck; } else { undec_sm_pwdb = rtlpriv->dm.undec_sm_pwdb; + undec_sm_cck = rtlpriv->dm.undec_sm_cck; } if (undec_sm_pwdb < 0) undec_sm_pwdb = pstatus->rx_pwdb_all; + if (undec_sm_cck < 0) + undec_sm_cck = pstatus->rx_pwdb_all; if (pstatus->rx_pwdb_all > (u32) undec_sm_pwdb) { undec_sm_pwdb = (((undec_sm_pwdb) * (RX_SMOOTH_FACTOR - 1)) + @@ -200,6 +205,15 @@ static void rtl_process_pwdb(struct ieee80211_hw *hw, struct rtl_stats *pstatus) undec_sm_pwdb = (((undec_sm_pwdb) * (RX_SMOOTH_FACTOR - 1)) + (pstatus->rx_pwdb_all)) / (RX_SMOOTH_FACTOR); } + if (pstatus->rx_pwdb_all > (u32) undec_sm_cck) { + undec_sm_cck = (((undec_sm_pwdb) * + (RX_SMOOTH_FACTOR - 1)) + + (pstatus->rx_pwdb_all)) / (RX_SMOOTH_FACTOR); + undec_sm_cck = undec_sm_cck + 1; + } else { + undec_sm_pwdb = (((undec_sm_cck) * (RX_SMOOTH_FACTOR - 1)) + + (pstatus->rx_pwdb_all)) / (RX_SMOOTH_FACTOR); + } if (sta) { drv_priv->rssi_stat.undec_sm_pwdb = undec_sm_pwdb; diff --git a/drivers/net/wireless/rtlwifi/usb.c b/drivers/net/wireless/rtlwifi/usb.c index 1feebdc92f41..57b12a5883a0 100644 --- a/drivers/net/wireless/rtlwifi/usb.c +++ b/drivers/net/wireless/rtlwifi/usb.c @@ -477,6 +477,8 @@ static void _rtl_usb_rx_process_agg(struct ieee80211_hw *hw, if (unicast) rtlpriv->link_info.num_rx_inperiod++; } + /* static bcn for roaming */ + rtl_beacon_statistic(hw, skb); } } @@ -548,7 +550,7 @@ static void _rtl_rx_pre_process(struct ieee80211_hw *hw, struct sk_buff *skb) } } -#define __RX_SKB_MAX_QUEUED 32 +#define __RX_SKB_MAX_QUEUED 64 static void _rtl_rx_work(unsigned long param) { diff --git a/drivers/net/wireless/rtlwifi/wifi.h b/drivers/net/wireless/rtlwifi/wifi.h index ad9c37a42709..e576a927fde7 100644 --- a/drivers/net/wireless/rtlwifi/wifi.h +++ b/drivers/net/wireless/rtlwifi/wifi.h @@ -1035,6 +1035,7 @@ struct rtl_ht_agg { struct rssi_sta { long undec_sm_pwdb; + long undec_sm_cck; }; struct rtl_tid_data { @@ -1325,8 +1326,10 @@ struct fast_ant_training { struct rtl_dm { /*PHY status for Dynamic Management */ long entry_min_undec_sm_pwdb; + long undec_sm_cck; long undec_sm_pwdb; /*out dm */ long entry_max_undec_sm_pwdb; + s32 ofdm_pkt_cnt; bool dm_initialgain_enable; bool dynamic_txpower_enable; bool current_turbo_edca; @@ -1341,6 +1344,7 @@ struct rtl_dm { bool inform_fw_driverctrldm; bool current_mrc_switch; u8 txpowercount; + u8 powerindex_backup[6]; u8 thermalvalue_rxgain; u8 thermalvalue_iqk; @@ -1352,7 +1356,9 @@ struct rtl_dm { bool done_txpower; u8 dynamic_txhighpower_lvl; /*Tx high power level */ u8 dm_flag; /*Indicate each dynamic mechanism's status. */ + u8 dm_flag_tmp; u8 dm_type; + u8 dm_rssi_sel; u8 txpower_track_control; bool interrupt_migration; bool disable_tx_int; @@ -1806,6 +1812,7 @@ struct rtl_hal_cfg { bool write_readback; char *name; char *fw_name; + char *alt_fw_name; struct rtl_hal_ops *ops; struct rtl_mod_params *mod_params; struct rtl_hal_usbint_cfg *usb_interface_cfg; @@ -1950,6 +1957,7 @@ struct dig_t { u8 pre_ccastate; u8 cur_ccasate; u8 large_fa_hit; + u8 dig_dynamic_min; u8 forbidden_igi; u8 dig_state; u8 dig_highpwrstate; @@ -2030,22 +2038,15 @@ struct rtl_priv { struct dig_t dm_digtable; struct ps_t dm_pstable; - /* section shared by individual drivers */ - union { - struct { /* data buffer pointer for USB reads */ - __le32 *usb_data; - int usb_data_index; - bool initialized; - }; - struct { /* section for 8723ae */ - bool reg_init; /* true if regs saved */ - u32 reg_874; - u32 reg_c70; - u32 reg_85c; - u32 reg_a74; - bool bt_operation_on; - }; - }; + u32 reg_874; + u32 reg_c70; + u32 reg_85c; + u32 reg_a74; + bool reg_init; /* true if regs saved */ + bool bt_operation_on; + __le32 *usb_data; + int usb_data_index; + bool initialized; bool enter_ps; /* true when entering PS */ u8 rate_mask[5]; diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c index 0c01b8e33fe1..82e0f1fd2254 100644 --- a/drivers/net/xen-netfront.c +++ b/drivers/net/xen-netfront.c @@ -107,6 +107,7 @@ struct netfront_info { } tx_skbs[NET_TX_RING_SIZE]; grant_ref_t gref_tx_head; grant_ref_t grant_tx_ref[NET_TX_RING_SIZE]; + struct page *grant_tx_page[NET_TX_RING_SIZE]; unsigned tx_skb_freelist; spinlock_t rx_lock ____cacheline_aligned_in_smp; @@ -386,6 +387,7 @@ static void xennet_tx_buf_gc(struct net_device *dev) gnttab_release_grant_reference( &np->gref_tx_head, np->grant_tx_ref[id]); np->grant_tx_ref[id] = GRANT_INVALID_REF; + np->grant_tx_page[id] = NULL; add_id_to_freelist(&np->tx_skb_freelist, np->tx_skbs, id); dev_kfree_skb_irq(skb); } @@ -442,6 +444,7 @@ static void xennet_make_frags(struct sk_buff *skb, struct net_device *dev, gnttab_grant_foreign_access_ref(ref, np->xbdev->otherend_id, mfn, GNTMAP_readonly); + np->grant_tx_page[id] = virt_to_page(data); tx->gref = np->grant_tx_ref[id] = ref; tx->offset = offset; tx->size = len; @@ -487,6 +490,7 @@ static void xennet_make_frags(struct sk_buff *skb, struct net_device *dev, np->xbdev->otherend_id, mfn, GNTMAP_readonly); + np->grant_tx_page[id] = page; tx->gref = np->grant_tx_ref[id] = ref; tx->offset = offset; tx->size = bytes; @@ -586,6 +590,7 @@ static int xennet_start_xmit(struct sk_buff *skb, struct net_device *dev) mfn = virt_to_mfn(data); gnttab_grant_foreign_access_ref( ref, np->xbdev->otherend_id, mfn, GNTMAP_readonly); + np->grant_tx_page[id] = virt_to_page(data); tx->gref = np->grant_tx_ref[id] = ref; tx->offset = offset; tx->size = len; @@ -1115,10 +1120,11 @@ static void xennet_release_tx_bufs(struct netfront_info *np) continue; skb = np->tx_skbs[i].skb; - gnttab_end_foreign_access_ref(np->grant_tx_ref[i], - GNTMAP_readonly); - gnttab_release_grant_reference(&np->gref_tx_head, - np->grant_tx_ref[i]); + get_page(np->grant_tx_page[i]); + gnttab_end_foreign_access(np->grant_tx_ref[i], + GNTMAP_readonly, + (unsigned long)page_address(np->grant_tx_page[i])); + np->grant_tx_page[i] = NULL; np->grant_tx_ref[i] = GRANT_INVALID_REF; add_id_to_freelist(&np->tx_skb_freelist, np->tx_skbs, i); dev_kfree_skb_irq(skb); @@ -1127,78 +1133,35 @@ static void xennet_release_tx_bufs(struct netfront_info *np) static void xennet_release_rx_bufs(struct netfront_info *np) { - struct mmu_update *mmu = np->rx_mmu; - struct multicall_entry *mcl = np->rx_mcl; - struct sk_buff_head free_list; - struct sk_buff *skb; - unsigned long mfn; - int xfer = 0, noxfer = 0, unused = 0; int id, ref; - dev_warn(&np->netdev->dev, "%s: fix me for copying receiver.\n", - __func__); - return; - - skb_queue_head_init(&free_list); - spin_lock_bh(&np->rx_lock); for (id = 0; id < NET_RX_RING_SIZE; id++) { - ref = np->grant_rx_ref[id]; - if (ref == GRANT_INVALID_REF) { - unused++; - continue; - } + struct sk_buff *skb; + struct page *page; skb = np->rx_skbs[id]; - mfn = gnttab_end_foreign_transfer_ref(ref); - gnttab_release_grant_reference(&np->gref_rx_head, ref); - np->grant_rx_ref[id] = GRANT_INVALID_REF; - - if (0 == mfn) { - skb_shinfo(skb)->nr_frags = 0; - dev_kfree_skb(skb); - noxfer++; + if (!skb) continue; - } - if (!xen_feature(XENFEAT_auto_translated_physmap)) { - /* Remap the page. */ - const struct page *page = - skb_frag_page(&skb_shinfo(skb)->frags[0]); - unsigned long pfn = page_to_pfn(page); - void *vaddr = page_address(page); + ref = np->grant_rx_ref[id]; + if (ref == GRANT_INVALID_REF) + continue; - MULTI_update_va_mapping(mcl, (unsigned long)vaddr, - mfn_pte(mfn, PAGE_KERNEL), - 0); - mcl++; - mmu->ptr = ((u64)mfn << PAGE_SHIFT) - | MMU_MACHPHYS_UPDATE; - mmu->val = pfn; - mmu++; + page = skb_frag_page(&skb_shinfo(skb)->frags[0]); - set_phys_to_machine(pfn, mfn); - } - __skb_queue_tail(&free_list, skb); - xfer++; - } - - dev_info(&np->netdev->dev, "%s: %d xfer, %d noxfer, %d unused\n", - __func__, xfer, noxfer, unused); + /* gnttab_end_foreign_access() needs a page ref until + * foreign access is ended (which may be deferred). + */ + get_page(page); + gnttab_end_foreign_access(ref, 0, + (unsigned long)page_address(page)); + np->grant_rx_ref[id] = GRANT_INVALID_REF; - if (xfer) { - if (!xen_feature(XENFEAT_auto_translated_physmap)) { - /* Do all the remapping work and M2P updates. */ - MULTI_mmu_update(mcl, np->rx_mmu, mmu - np->rx_mmu, - NULL, DOMID_SELF); - mcl++; - HYPERVISOR_multicall(np->rx_mcl, mcl - np->rx_mcl); - } + kfree_skb(skb); } - __skb_queue_purge(&free_list); - spin_unlock_bh(&np->rx_lock); } @@ -1333,6 +1296,7 @@ static struct net_device *xennet_create_dev(struct xenbus_device *dev) for (i = 0; i < NET_RX_RING_SIZE; i++) { np->rx_skbs[i] = NULL; np->grant_rx_ref[i] = GRANT_INVALID_REF; + np->grant_tx_page[i] = NULL; } /* A grant for every tx ring slot */ diff --git a/drivers/of/address.c b/drivers/of/address.c index 7c8221d36329..00bc55cc821c 100644 --- a/drivers/of/address.c +++ b/drivers/of/address.c @@ -69,14 +69,6 @@ static u64 of_bus_default_map(__be32 *addr, const __be32 *range, (unsigned long long)cp, (unsigned long long)s, (unsigned long long)da); - /* - * If the number of address cells is larger than 2 we assume the - * mapping doesn't specify a physical address. Rather, the address - * specifies an identifier that must match exactly. - */ - if (na > 2 && memcmp(range, addr, na * 4) != 0) - return OF_BAD_ADDR; - if (da < cp || da >= (cp + s)) return OF_BAD_ADDR; return da - cp; @@ -107,11 +99,12 @@ static unsigned int of_bus_default_get_flags(const __be32 *addr) static int of_bus_pci_match(struct device_node *np) { /* + * "pciex" is PCI Express * "vci" is for the /chaos bridge on 1st-gen PCI powermacs * "ht" is hypertransport */ - return !strcmp(np->type, "pci") || !strcmp(np->type, "vci") || - !strcmp(np->type, "ht"); + return !strcmp(np->type, "pci") || !strcmp(np->type, "pciex") || + !strcmp(np->type, "vci") || !strcmp(np->type, "ht"); } static void of_bus_pci_count_cells(struct device_node *np, diff --git a/drivers/parport/parport_pc.c b/drivers/parport/parport_pc.c index 903e1285fda0..b0a0d5389f41 100644 --- a/drivers/parport/parport_pc.c +++ b/drivers/parport/parport_pc.c @@ -2596,8 +2596,6 @@ enum parport_pc_pci_cards { syba_2p_epp, syba_1p_ecp, titan_010l, - titan_1284p1, - titan_1284p2, avlab_1p, avlab_2p, oxsemi_952, @@ -2656,8 +2654,6 @@ static struct parport_pc_pci { /* syba_2p_epp AP138B */ { 2, { { 0, 0x078 }, { 0, 0x178 }, } }, /* syba_1p_ecp W83787 */ { 1, { { 0, 0x078 }, } }, /* titan_010l */ { 1, { { 3, -1 }, } }, - /* titan_1284p1 */ { 1, { { 0, 1 }, } }, - /* titan_1284p2 */ { 2, { { 0, 1 }, { 2, 3 }, } }, /* avlab_1p */ { 1, { { 0, 1}, } }, /* avlab_2p */ { 2, { { 0, 1}, { 2, 3 },} }, /* The Oxford Semi cards are unusual: 954 doesn't support ECP, @@ -2673,8 +2669,8 @@ static struct parport_pc_pci { /* netmos_9705 */ { 1, { { 0, -1 }, } }, /* netmos_9715 */ { 2, { { 0, 1 }, { 2, 3 },} }, /* netmos_9755 */ { 2, { { 0, 1 }, { 2, 3 },} }, - /* netmos_9805 */ { 1, { { 0, -1 }, } }, - /* netmos_9815 */ { 2, { { 0, -1 }, { 2, -1 }, } }, + /* netmos_9805 */ { 1, { { 0, 1 }, } }, + /* netmos_9815 */ { 2, { { 0, 1 }, { 2, 3 }, } }, /* netmos_9901 */ { 1, { { 0, -1 }, } }, /* netmos_9865 */ { 1, { { 0, -1 }, } }, /* quatech_sppxp100 */ { 1, { { 0, 1 }, } }, @@ -2718,8 +2714,6 @@ static const struct pci_device_id parport_pc_pci_tbl[] = { PCI_ANY_ID, PCI_ANY_ID, 0, 0, syba_1p_ecp }, { PCI_VENDOR_ID_TITAN, PCI_DEVICE_ID_TITAN_010L, PCI_ANY_ID, PCI_ANY_ID, 0, 0, titan_010l }, - { 0x9710, 0x9805, 0x1000, 0x0010, 0, 0, titan_1284p1 }, - { 0x9710, 0x9815, 0x1000, 0x0020, 0, 0, titan_1284p2 }, /* PCI_VENDOR_ID_AVLAB/Intek21 has another bunch of cards ...*/ /* AFAVLAB_TK9902 */ { 0x14db, 0x2120, PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_1p}, diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c index 79277fb36c6b..66aabde82727 100644 --- a/drivers/pci/pci-driver.c +++ b/drivers/pci/pci-driver.c @@ -19,6 +19,7 @@ #include <linux/cpu.h> #include <linux/pm_runtime.h> #include <linux/suspend.h> +#include <linux/kexec.h> #include "pci.h" struct pci_dynid { @@ -388,12 +389,17 @@ static void pci_device_shutdown(struct device *dev) pci_msi_shutdown(pci_dev); pci_msix_shutdown(pci_dev); +#ifdef CONFIG_KEXEC /* - * Turn off Bus Master bit on the device to tell it to not - * continue to do DMA. Don't touch devices in D3cold or unknown states. + * If this is a kexec reboot, turn off Bus Master bit on the + * device to tell it to not continue to do DMA. Don't touch + * devices in D3cold or unknown states. + * If it is not a kexec reboot, firmware will hit the PCI + * devices with big hammer and stop their DMA any way. */ - if (pci_dev->current_state <= PCI_D3hot) + if (kexec_in_progress && (pci_dev->current_state <= PCI_D3hot)) pci_clear_master(pci_dev); +#endif } #ifdef CONFIG_PM diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index a899d8bb190d..0bb7bfd49bf6 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -1119,6 +1119,8 @@ EXPORT_SYMBOL_GPL(pci_load_and_free_saved_state); static int do_pci_enable_device(struct pci_dev *dev, int bars) { int err; + u16 cmd; + u8 pin; err = pci_set_power_state(dev, PCI_D0); if (err < 0 && err != -EIO) @@ -1128,6 +1130,14 @@ static int do_pci_enable_device(struct pci_dev *dev, int bars) return err; pci_fixup_device(pci_fixup_enable, dev); + pci_read_config_byte(dev, PCI_INTERRUPT_PIN, &pin); + if (pin) { + pci_read_config_word(dev, PCI_COMMAND, &cmd); + if (cmd & PCI_COMMAND_INTX_DISABLE) + pci_write_config_word(dev, PCI_COMMAND, + cmd & ~PCI_COMMAND_INTX_DISABLE); + } + return 0; } diff --git a/drivers/pinctrl/core.c b/drivers/pinctrl/core.c index 7be3dbab53ee..644e30517d79 100644 --- a/drivers/pinctrl/core.c +++ b/drivers/pinctrl/core.c @@ -807,7 +807,9 @@ static struct pinctrl *create_pinctrl(struct device *dev) kref_init(&p->users); /* Add the pinctrl handle to the global list */ + mutex_lock(&pinctrl_list_mutex); list_add_tail(&p->node, &pinctrl_list); + mutex_unlock(&pinctrl_list_mutex); return p; } diff --git a/drivers/pinctrl/pinctrl-sunxi.c b/drivers/pinctrl/pinctrl-sunxi.c index b7d8c890514c..876d7cc4d8a7 100644 --- a/drivers/pinctrl/pinctrl-sunxi.c +++ b/drivers/pinctrl/pinctrl-sunxi.c @@ -1754,12 +1754,6 @@ static int sunxi_pinctrl_gpio_get(struct gpio_chip *chip, unsigned offset) return val; } -static int sunxi_pinctrl_gpio_direction_output(struct gpio_chip *chip, - unsigned offset, int value) -{ - return pinctrl_gpio_direction_output(chip->base + offset); -} - static void sunxi_pinctrl_gpio_set(struct gpio_chip *chip, unsigned offset, int value) { @@ -1770,6 +1764,13 @@ static void sunxi_pinctrl_gpio_set(struct gpio_chip *chip, writel((value & DATA_PINS_MASK) << index, pctl->membase + reg); } +static int sunxi_pinctrl_gpio_direction_output(struct gpio_chip *chip, + unsigned offset, int value) +{ + sunxi_pinctrl_gpio_set(chip, offset, value); + return pinctrl_gpio_direction_output(chip->base + offset); +} + static int sunxi_pinctrl_gpio_of_xlate(struct gpio_chip *gc, const struct of_phandle_args *gpiospec, u32 *flags) diff --git a/drivers/pinctrl/vt8500/pinctrl-wmt.c b/drivers/pinctrl/vt8500/pinctrl-wmt.c index 70d986e04afb..8b54b5da00c0 100644 --- a/drivers/pinctrl/vt8500/pinctrl-wmt.c +++ b/drivers/pinctrl/vt8500/pinctrl-wmt.c @@ -276,7 +276,20 @@ static int wmt_pctl_dt_node_to_map_pull(struct wmt_pinctrl_data *data, if (!configs) return -ENOMEM; - configs[0] = pull; + switch (pull) { + case 0: + configs[0] = PIN_CONFIG_BIAS_DISABLE; + break; + case 1: + configs[0] = PIN_CONFIG_BIAS_PULL_DOWN; + break; + case 2: + configs[0] = PIN_CONFIG_BIAS_PULL_UP; + break; + default: + configs[0] = PIN_CONFIG_BIAS_DISABLE; + dev_err(data->dev, "invalid pull state %d - disabling\n", pull); + } map->type = PIN_MAP_TYPE_CONFIGS_PIN; map->data.configs.group_or_pin = data->groups[group]; diff --git a/drivers/platform/x86/hp_accel.c b/drivers/platform/x86/hp_accel.c index a8e43cf70fac..0ed96df20162 100644 --- a/drivers/platform/x86/hp_accel.c +++ b/drivers/platform/x86/hp_accel.c @@ -77,6 +77,7 @@ static inline void delayed_sysfs_set(struct led_classdev *led_cdev, static struct acpi_device_id lis3lv02d_device_ids[] = { {"HPQ0004", 0}, /* HP Mobile Data Protection System PNP */ {"HPQ6000", 0}, /* HP Mobile Data Protection System PNP */ + {"HPQ6007", 0}, /* HP Mobile Data Protection System PNP */ {"", 0}, }; MODULE_DEVICE_TABLE(acpi, lis3lv02d_device_ids); diff --git a/drivers/power/max17040_battery.c b/drivers/power/max17040_battery.c index c7ff6d67f158..0fbac861080d 100644 --- a/drivers/power/max17040_battery.c +++ b/drivers/power/max17040_battery.c @@ -148,7 +148,7 @@ static void max17040_get_online(struct i2c_client *client) { struct max17040_chip *chip = i2c_get_clientdata(client); - if (chip->pdata->battery_online) + if (chip->pdata && chip->pdata->battery_online) chip->online = chip->pdata->battery_online(); else chip->online = 1; @@ -158,7 +158,8 @@ static void max17040_get_status(struct i2c_client *client) { struct max17040_chip *chip = i2c_get_clientdata(client); - if (!chip->pdata->charger_online || !chip->pdata->charger_enable) { + if (!chip->pdata || !chip->pdata->charger_online + || !chip->pdata->charger_enable) { chip->status = POWER_SUPPLY_STATUS_UNKNOWN; return; } diff --git a/drivers/rtc/rtc-at91rm9200.c b/drivers/rtc/rtc-at91rm9200.c index f296f3f7db9b..1237c2173c6d 100644 --- a/drivers/rtc/rtc-at91rm9200.c +++ b/drivers/rtc/rtc-at91rm9200.c @@ -221,6 +221,8 @@ static int at91_rtc_setalarm(struct device *dev, struct rtc_wkalrm *alrm) at91_alarm_year = tm.tm_year; + tm.tm_mon = alrm->time.tm_mon; + tm.tm_mday = alrm->time.tm_mday; tm.tm_hour = alrm->time.tm_hour; tm.tm_min = alrm->time.tm_min; tm.tm_sec = alrm->time.tm_sec; diff --git a/drivers/rtc/rtc-cmos.c b/drivers/rtc/rtc-cmos.c index f1cb706445c7..6ae046bdb263 100644 --- a/drivers/rtc/rtc-cmos.c +++ b/drivers/rtc/rtc-cmos.c @@ -34,11 +34,11 @@ #include <linux/interrupt.h> #include <linux/spinlock.h> #include <linux/platform_device.h> -#include <linux/mod_devicetable.h> #include <linux/log2.h> #include <linux/pm.h> #include <linux/of.h> #include <linux/of_platform.h> +#include <linux/dmi.h> /* this is for "generic access to PC-style RTC" using CMOS_READ/CMOS_WRITE */ #include <asm-generic/rtc.h> @@ -377,6 +377,51 @@ static int cmos_set_alarm(struct device *dev, struct rtc_wkalrm *t) return 0; } +/* + * Do not disable RTC alarm on shutdown - workaround for b0rked BIOSes. + */ +static bool alarm_disable_quirk; + +static int __init set_alarm_disable_quirk(const struct dmi_system_id *id) +{ + alarm_disable_quirk = true; + pr_info("rtc-cmos: BIOS has alarm-disable quirk. "); + pr_info("RTC alarms disabled\n"); + return 0; +} + +static const struct dmi_system_id rtc_quirks[] __initconst = { + /* https://bugzilla.novell.com/show_bug.cgi?id=805740 */ + { + .callback = set_alarm_disable_quirk, + .ident = "IBM Truman", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), + DMI_MATCH(DMI_PRODUCT_NAME, "4852570"), + }, + }, + /* https://bugzilla.novell.com/show_bug.cgi?id=812592 */ + { + .callback = set_alarm_disable_quirk, + .ident = "Gigabyte GA-990XA-UD3", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, + "Gigabyte Technology Co., Ltd."), + DMI_MATCH(DMI_PRODUCT_NAME, "GA-990XA-UD3"), + }, + }, + /* http://permalink.gmane.org/gmane.linux.kernel/1604474 */ + { + .callback = set_alarm_disable_quirk, + .ident = "Toshiba Satellite L300", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), + DMI_MATCH(DMI_PRODUCT_NAME, "Satellite L300"), + }, + }, + {} +}; + static int cmos_alarm_irq_enable(struct device *dev, unsigned int enabled) { struct cmos_rtc *cmos = dev_get_drvdata(dev); @@ -385,6 +430,9 @@ static int cmos_alarm_irq_enable(struct device *dev, unsigned int enabled) if (!is_valid_irq(cmos->irq)) return -EINVAL; + if (alarm_disable_quirk) + return 0; + spin_lock_irqsave(&rtc_lock, flags); if (enabled) @@ -1163,6 +1211,8 @@ static int __init cmos_init(void) platform_driver_registered = true; } + dmi_check_system(rtc_quirks); + if (retval == 0) return 0; diff --git a/drivers/rtc/rtc-max8907.c b/drivers/rtc/rtc-max8907.c index 86afb797125d..5d0ce597ba83 100644 --- a/drivers/rtc/rtc-max8907.c +++ b/drivers/rtc/rtc-max8907.c @@ -51,7 +51,7 @@ static irqreturn_t max8907_irq_handler(int irq, void *data) { struct max8907_rtc *rtc = data; - regmap_update_bits(rtc->regmap, MAX8907_REG_ALARM0_CNTL, 0x7f, 0); + regmap_write(rtc->regmap, MAX8907_REG_ALARM0_CNTL, 0); rtc_update_irq(rtc->rtc_dev, 1, RTC_IRQF | RTC_AF); @@ -64,7 +64,7 @@ static void regs_to_tm(u8 *regs, struct rtc_time *tm) bcd2bin(regs[RTC_YEAR1]) - 1900; tm->tm_mon = bcd2bin(regs[RTC_MONTH] & 0x1f) - 1; tm->tm_mday = bcd2bin(regs[RTC_DATE] & 0x3f); - tm->tm_wday = (regs[RTC_WEEKDAY] & 0x07) - 1; + tm->tm_wday = (regs[RTC_WEEKDAY] & 0x07); if (regs[RTC_HOUR] & HOUR_12) { tm->tm_hour = bcd2bin(regs[RTC_HOUR] & 0x01f); if (tm->tm_hour == 12) @@ -88,7 +88,7 @@ static void tm_to_regs(struct rtc_time *tm, u8 *regs) regs[RTC_YEAR1] = bin2bcd(low); regs[RTC_MONTH] = bin2bcd(tm->tm_mon + 1); regs[RTC_DATE] = bin2bcd(tm->tm_mday); - regs[RTC_WEEKDAY] = tm->tm_wday + 1; + regs[RTC_WEEKDAY] = tm->tm_wday; regs[RTC_HOUR] = bin2bcd(tm->tm_hour); regs[RTC_MIN] = bin2bcd(tm->tm_min); regs[RTC_SEC] = bin2bcd(tm->tm_sec); @@ -153,7 +153,7 @@ static int max8907_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alrm) tm_to_regs(&alrm->time, regs); /* Disable alarm while we update the target time */ - ret = regmap_update_bits(rtc->regmap, MAX8907_REG_ALARM0_CNTL, 0x7f, 0); + ret = regmap_write(rtc->regmap, MAX8907_REG_ALARM0_CNTL, 0); if (ret < 0) return ret; @@ -163,8 +163,7 @@ static int max8907_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alrm) return ret; if (alrm->enabled) - ret = regmap_update_bits(rtc->regmap, MAX8907_REG_ALARM0_CNTL, - 0x7f, 0x7f); + ret = regmap_write(rtc->regmap, MAX8907_REG_ALARM0_CNTL, 0x77); return ret; } diff --git a/drivers/s390/char/tty3270.c b/drivers/s390/char/tty3270.c index cee69dac3e18..4dd71ca0269c 100644 --- a/drivers/s390/char/tty3270.c +++ b/drivers/s390/char/tty3270.c @@ -942,7 +942,7 @@ static int tty3270_install(struct tty_driver *driver, struct tty_struct *tty) return rc; } - tp->screen = tty3270_alloc_screen(tp->view.cols, tp->view.rows); + tp->screen = tty3270_alloc_screen(tp->view.rows, tp->view.cols); if (IS_ERR(tp->screen)) { rc = PTR_ERR(tp->screen); raw3270_put_view(&tp->view); diff --git a/drivers/scsi/bfa/bfad.c b/drivers/scsi/bfa/bfad.c index a5f7690e819e..ae2564d3123b 100644 --- a/drivers/scsi/bfa/bfad.c +++ b/drivers/scsi/bfa/bfad.c @@ -1824,7 +1824,7 @@ out: static u32 * bfad_load_fwimg(struct pci_dev *pdev) { - if (pdev->device == BFA_PCI_DEVICE_ID_CT2) { + if (bfa_asic_id_ct2(pdev->device)) { if (bfi_image_ct2_size == 0) bfad_read_firmware(pdev, &bfi_image_ct2, &bfi_image_ct2_size, BFAD_FW_FILE_CT2); @@ -1834,12 +1834,14 @@ bfad_load_fwimg(struct pci_dev *pdev) bfad_read_firmware(pdev, &bfi_image_ct, &bfi_image_ct_size, BFAD_FW_FILE_CT); return bfi_image_ct; - } else { + } else if (bfa_asic_id_cb(pdev->device)) { if (bfi_image_cb_size == 0) bfad_read_firmware(pdev, &bfi_image_cb, &bfi_image_cb_size, BFAD_FW_FILE_CB); return bfi_image_cb; } + + return NULL; } static void diff --git a/drivers/scsi/qla2xxx/qla_target.c b/drivers/scsi/qla2xxx/qla_target.c index fcdc22306cab..f033b191a022 100644 --- a/drivers/scsi/qla2xxx/qla_target.c +++ b/drivers/scsi/qla2xxx/qla_target.c @@ -3339,7 +3339,8 @@ restart: ql_dbg(ql_dbg_tgt_mgt, vha, 0xf02c, "SRR cmd %p (se_cmd %p, tag %d, op %x), " "sg_cnt=%d, offset=%d", cmd, &cmd->se_cmd, cmd->tag, - se_cmd->t_task_cdb[0], cmd->sg_cnt, cmd->offset); + se_cmd->t_task_cdb ? se_cmd->t_task_cdb[0] : 0, + cmd->sg_cnt, cmd->offset); qlt_handle_srr(vha, sctio, imm); diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index 9bc913b92d13..26b543bc4f53 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -2634,13 +2634,16 @@ static void sd_read_write_same(struct scsi_disk *sdkp, unsigned char *buffer) } if (scsi_report_opcode(sdev, buffer, SD_BUF_SIZE, INQUIRY) < 0) { + /* too large values might cause issues with arcmsr */ + int vpd_buf_len = 64; + sdev->no_report_opcodes = 1; /* Disable WRITE SAME if REPORT SUPPORTED OPERATION * CODES is unsupported and the device has an ATA * Information VPD page (SAT). */ - if (!scsi_get_vpd_page(sdev, 0x89, buffer, SD_BUF_SIZE)) + if (!scsi_get_vpd_page(sdev, 0x89, buffer, vpd_buf_len)) sdev->no_write_same = 1; } diff --git a/drivers/scsi/virtio_scsi.c b/drivers/scsi/virtio_scsi.c index 74b88efde6ad..b26f1a5cc0ec 100644 --- a/drivers/scsi/virtio_scsi.c +++ b/drivers/scsi/virtio_scsi.c @@ -957,6 +957,10 @@ static void virtscsi_remove(struct virtio_device *vdev) #ifdef CONFIG_PM static int virtscsi_freeze(struct virtio_device *vdev) { + struct Scsi_Host *sh = virtio_scsi_host(vdev); + struct virtio_scsi *vscsi = shost_priv(sh); + + unregister_hotcpu_notifier(&vscsi->nb); virtscsi_remove_vqs(vdev); return 0; } @@ -965,8 +969,17 @@ static int virtscsi_restore(struct virtio_device *vdev) { struct Scsi_Host *sh = virtio_scsi_host(vdev); struct virtio_scsi *vscsi = shost_priv(sh); + int err; + + err = virtscsi_init(vdev, vscsi); + if (err) + return err; + + err = register_hotcpu_notifier(&vscsi->nb); + if (err) + vdev->config->del_vqs(vdev); - return virtscsi_init(vdev, vscsi); + return err; } #endif diff --git a/drivers/spi/spi-bcm63xx.c b/drivers/spi/spi-bcm63xx.c index a4ec5f4ec817..cd716f4cd37f 100644 --- a/drivers/spi/spi-bcm63xx.c +++ b/drivers/spi/spi-bcm63xx.c @@ -180,8 +180,6 @@ static int bcm63xx_txrx_bufs(struct spi_device *spi, struct spi_transfer *first, transfer_list); } - len -= prepend_len; - init_completion(&bs->done); /* Fill in the Message control register */ diff --git a/drivers/staging/comedi/drivers/8255_pci.c b/drivers/staging/comedi/drivers/8255_pci.c index 76dec96aeb2a..05bcf0dffb8c 100644 --- a/drivers/staging/comedi/drivers/8255_pci.c +++ b/drivers/staging/comedi/drivers/8255_pci.c @@ -66,7 +66,8 @@ enum pci_8255_boardid { BOARD_ADLINK_PCI7296, BOARD_CB_PCIDIO24, BOARD_CB_PCIDIO24H, - BOARD_CB_PCIDIO48H, + BOARD_CB_PCIDIO48H_OLD, + BOARD_CB_PCIDIO48H_NEW, BOARD_CB_PCIDIO96H, BOARD_NI_PCIDIO96, BOARD_NI_PCIDIO96B, @@ -109,11 +110,16 @@ static const struct pci_8255_boardinfo pci_8255_boards[] = { .dio_badr = 2, .n_8255 = 1, }, - [BOARD_CB_PCIDIO48H] = { + [BOARD_CB_PCIDIO48H_OLD] = { .name = "cb_pci-dio48h", .dio_badr = 1, .n_8255 = 2, }, + [BOARD_CB_PCIDIO48H_NEW] = { + .name = "cb_pci-dio48h", + .dio_badr = 2, + .n_8255 = 2, + }, [BOARD_CB_PCIDIO96H] = { .name = "cb_pci-dio96h", .dio_badr = 2, @@ -270,7 +276,10 @@ static DEFINE_PCI_DEVICE_TABLE(pci_8255_pci_table) = { { PCI_VDEVICE(ADLINK, 0x7296), BOARD_ADLINK_PCI7296 }, { PCI_VDEVICE(CB, 0x0028), BOARD_CB_PCIDIO24 }, { PCI_VDEVICE(CB, 0x0014), BOARD_CB_PCIDIO24H }, - { PCI_VDEVICE(CB, 0x000b), BOARD_CB_PCIDIO48H }, + { PCI_DEVICE_SUB(PCI_VENDOR_ID_CB, 0x000b, 0x0000, 0x0000), + .driver_data = BOARD_CB_PCIDIO48H_OLD }, + { PCI_DEVICE_SUB(PCI_VENDOR_ID_CB, 0x000b, PCI_VENDOR_ID_CB, 0x000b), + .driver_data = BOARD_CB_PCIDIO48H_NEW }, { PCI_VDEVICE(CB, 0x0017), BOARD_CB_PCIDIO96H }, { PCI_VDEVICE(NI, 0x0160), BOARD_NI_PCIDIO96 }, { PCI_VDEVICE(NI, 0x1630), BOARD_NI_PCIDIO96B }, diff --git a/drivers/staging/comedi/drivers/addi_apci_1032.c b/drivers/staging/comedi/drivers/addi_apci_1032.c index 3d4878facc26..d919a9863e01 100644 --- a/drivers/staging/comedi/drivers/addi_apci_1032.c +++ b/drivers/staging/comedi/drivers/addi_apci_1032.c @@ -332,8 +332,8 @@ static int apci1032_auto_attach(struct comedi_device *dev, s = &dev->subdevices[1]; if (dev->irq) { dev->read_subdev = s; - s->type = COMEDI_SUBD_DI | SDF_CMD_READ; - s->subdev_flags = SDF_READABLE; + s->type = COMEDI_SUBD_DI; + s->subdev_flags = SDF_READABLE | SDF_CMD_READ; s->n_chan = 1; s->maxdata = 1; s->range_table = &range_digital; diff --git a/drivers/staging/comedi/drivers/adl_pci9111.c b/drivers/staging/comedi/drivers/adl_pci9111.c index 6247fdcedcbf..71043a1c8500 100644 --- a/drivers/staging/comedi/drivers/adl_pci9111.c +++ b/drivers/staging/comedi/drivers/adl_pci9111.c @@ -873,7 +873,7 @@ static int pci9111_auto_attach(struct comedi_device *dev, pci9111_reset(dev); if (pcidev->irq > 0) { - ret = request_irq(dev->irq, pci9111_interrupt, + ret = request_irq(pcidev->irq, pci9111_interrupt, IRQF_SHARED, dev->board_name, dev); if (ret) return ret; diff --git a/drivers/staging/comedi/drivers/adv_pci1710.c b/drivers/staging/comedi/drivers/adv_pci1710.c index f847bbc175e7..acb66a9513cf 100644 --- a/drivers/staging/comedi/drivers/adv_pci1710.c +++ b/drivers/staging/comedi/drivers/adv_pci1710.c @@ -489,6 +489,7 @@ static int pci171x_insn_write_ao(struct comedi_device *dev, struct comedi_insn *insn, unsigned int *data) { struct pci1710_private *devpriv = dev->private; + unsigned int val; int n, chan, range, ofs; chan = CR_CHAN(insn->chanspec); @@ -504,11 +505,14 @@ static int pci171x_insn_write_ao(struct comedi_device *dev, outw(devpriv->da_ranges, dev->iobase + PCI171x_DAREF); ofs = PCI171x_DA1; } + val = devpriv->ao_data[chan]; - for (n = 0; n < insn->n; n++) - outw(data[n], dev->iobase + ofs); + for (n = 0; n < insn->n; n++) { + val = data[n]; + outw(val, dev->iobase + ofs); + } - devpriv->ao_data[chan] = data[n]; + devpriv->ao_data[chan] = val; return n; @@ -678,6 +682,7 @@ static int pci1720_insn_write_ao(struct comedi_device *dev, struct comedi_insn *insn, unsigned int *data) { struct pci1710_private *devpriv = dev->private; + unsigned int val; int n, rangereg, chan; chan = CR_CHAN(insn->chanspec); @@ -687,13 +692,15 @@ static int pci1720_insn_write_ao(struct comedi_device *dev, outb(rangereg, dev->iobase + PCI1720_RANGE); devpriv->da_ranges = rangereg; } + val = devpriv->ao_data[chan]; for (n = 0; n < insn->n; n++) { - outw(data[n], dev->iobase + PCI1720_DA0 + (chan << 1)); + val = data[n]; + outw(val, dev->iobase + PCI1720_DA0 + (chan << 1)); outb(0, dev->iobase + PCI1720_SYNCOUT); /* update outputs */ } - devpriv->ao_data[chan] = data[n]; + devpriv->ao_data[chan] = val; return n; } diff --git a/drivers/staging/comedi/drivers/amplc_pc263.c b/drivers/staging/comedi/drivers/amplc_pc263.c index 94a752d852bb..0d88e6227761 100644 --- a/drivers/staging/comedi/drivers/amplc_pc263.c +++ b/drivers/staging/comedi/drivers/amplc_pc263.c @@ -72,6 +72,9 @@ static int pc263_do_insn_bits(struct comedi_device *dev, outb(s->state & 0xFF, dev->iobase); outb(s->state >> 8, dev->iobase + 1); } + + data[1] = s->state; + return insn->n; } diff --git a/drivers/staging/comedi/drivers/amplc_pci263.c b/drivers/staging/comedi/drivers/amplc_pci263.c index 8b57533bf406..9c53199a419b 100644 --- a/drivers/staging/comedi/drivers/amplc_pci263.c +++ b/drivers/staging/comedi/drivers/amplc_pci263.c @@ -59,6 +59,9 @@ static int pci263_do_insn_bits(struct comedi_device *dev, outb(s->state & 0xFF, dev->iobase); outb(s->state >> 8, dev->iobase + 1); } + + data[1] = s->state; + return insn->n; } diff --git a/drivers/staging/comedi/drivers/pcmuio.c b/drivers/staging/comedi/drivers/pcmuio.c index 0c98e26bbba1..b5ed093e59c3 100644 --- a/drivers/staging/comedi/drivers/pcmuio.c +++ b/drivers/staging/comedi/drivers/pcmuio.c @@ -935,12 +935,13 @@ static void pcmuio_detach(struct comedi_device *dev) struct pcmuio_private *devpriv = dev->private; int i; - for (i = 0; i < MAX_ASICS; ++i) { - if (devpriv->asics[i].irq) - free_irq(devpriv->asics[i].irq, dev); - } - if (devpriv && devpriv->sprivs) + if (devpriv) { + for (i = 0; i < MAX_ASICS; ++i) { + if (devpriv->asics[i].irq) + free_irq(devpriv->asics[i].irq, dev); + } kfree(devpriv->sprivs); + } comedi_legacy_detach(dev); } diff --git a/drivers/staging/comedi/drivers/ssv_dnp.c b/drivers/staging/comedi/drivers/ssv_dnp.c index a76df092a57b..8c84dc0cfe07 100644 --- a/drivers/staging/comedi/drivers/ssv_dnp.c +++ b/drivers/staging/comedi/drivers/ssv_dnp.c @@ -87,11 +87,11 @@ static int dnp_dio_insn_bits(struct comedi_device *dev, /* on return, data[1] contains the value of the digital input lines. */ outb(PADR, CSCIR); - data[0] = inb(CSCDR); + data[1] = inb(CSCDR); outb(PBDR, CSCIR); - data[0] += inb(CSCDR) << 8; + data[1] += inb(CSCDR) << 8; outb(PCDR, CSCIR); - data[0] += ((inb(CSCDR) & 0xF0) << 12); + data[1] += ((inb(CSCDR) & 0xF0) << 12); return insn->n; diff --git a/drivers/staging/iio/adc/ad799x_core.c b/drivers/staging/iio/adc/ad799x_core.c index 8dc97b36e05a..b0cb2de93050 100644 --- a/drivers/staging/iio/adc/ad799x_core.c +++ b/drivers/staging/iio/adc/ad799x_core.c @@ -644,7 +644,8 @@ static int ad799x_probe(struct i2c_client *client, return 0; error_free_irq: - free_irq(client->irq, indio_dev); + if (client->irq > 0) + free_irq(client->irq, indio_dev); error_cleanup_ring: ad799x_ring_cleanup(indio_dev); error_disable_reg: diff --git a/drivers/staging/rtl8712/usb_intf.c b/drivers/staging/rtl8712/usb_intf.c index c812d6c7dc31..e3a005da776b 100644 --- a/drivers/staging/rtl8712/usb_intf.c +++ b/drivers/staging/rtl8712/usb_intf.c @@ -358,6 +358,10 @@ static u8 key_2char2num(u8 hch, u8 lch) return (hex_to_bin(hch) << 4) | hex_to_bin(lch); } +static const struct device_type wlan_type = { + .name = "wlan", +}; + /* * drv_init() - a device potentially for us * @@ -393,6 +397,7 @@ static int r871xu_drv_init(struct usb_interface *pusb_intf, padapter->pusb_intf = pusb_intf; usb_set_intfdata(pusb_intf, pnetdev); SET_NETDEV_DEV(pnetdev, &pusb_intf->dev); + pnetdev->dev.type = &wlan_type; /* step 2. */ padapter->dvobj_init = &r8712_usb_dvobj_init; padapter->dvobj_deinit = &r8712_usb_dvobj_deinit; diff --git a/drivers/staging/vt6656/baseband.c b/drivers/staging/vt6656/baseband.c index 3ff1126c9a53..55185336afe2 100644 --- a/drivers/staging/vt6656/baseband.c +++ b/drivers/staging/vt6656/baseband.c @@ -1466,7 +1466,6 @@ void BBvUpdatePreEDThreshold(struct vnt_private *pDevice, int bScanning) if( bScanning ) { // need Max sensitivity //RSSI -69, -70,.... - if(pDevice->byBBPreEDIndex == 0) break; pDevice->byBBPreEDIndex = 0; ControlvWriteByte(pDevice, MESSAGE_REQUEST_BBREG, 0xC9, 0x00); //CR201(0xC9) ControlvWriteByte(pDevice, MESSAGE_REQUEST_BBREG, 0xCE, 0x30); //CR206(0xCE) @@ -1609,7 +1608,6 @@ void BBvUpdatePreEDThreshold(struct vnt_private *pDevice, int bScanning) if( bScanning ) { // need Max sensitivity //RSSI -69, -70, ... - if(pDevice->byBBPreEDIndex == 0) break; pDevice->byBBPreEDIndex = 0; ControlvWriteByte(pDevice, MESSAGE_REQUEST_BBREG, 0xC9, 0x00); //CR201(0xC9) ControlvWriteByte(pDevice, MESSAGE_REQUEST_BBREG, 0xCE, 0x24); //CR206(0xCE) @@ -1761,7 +1759,6 @@ void BBvUpdatePreEDThreshold(struct vnt_private *pDevice, int bScanning) case RF_VT3342A0: //RobertYu:20060627, testing table if( bScanning ) { // need Max sensitivity //RSSI -67, -68, ... - if(pDevice->byBBPreEDIndex == 0) break; pDevice->byBBPreEDIndex = 0; ControlvWriteByte(pDevice, MESSAGE_REQUEST_BBREG, 0xC9, 0x00); //CR201(0xC9) ControlvWriteByte(pDevice, MESSAGE_REQUEST_BBREG, 0xCE, 0x38); //CR206(0xCE) diff --git a/drivers/staging/vt6656/card.c b/drivers/staging/vt6656/card.c index 24291aee58b5..0beb246af4ad 100644 --- a/drivers/staging/vt6656/card.c +++ b/drivers/staging/vt6656/card.c @@ -761,7 +761,7 @@ u64 CARDqGetNextTBTT(u64 qwTSF, u16 wBeaconInterval) uBeaconInterval = wBeaconInterval * 1024; // Next TBTT = ((local_current_TSF / beacon_interval) + 1 ) * beacon_interval - uLowNextTBTT = ((qwTSF & 0xffffffffU) >> 10) << 10; + uLowNextTBTT = ((qwTSF & 0xffffffffULL) >> 10) << 10; uLowRemain = (uLowNextTBTT) % uBeaconInterval; uHighRemain = ((0x80000000 % uBeaconInterval) * 2 * (u32)(qwTSF >> 32)) % uBeaconInterval; diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c index 4c1b8dbdcb36..5b07fd156bd7 100644 --- a/drivers/target/iscsi/iscsi_target.c +++ b/drivers/target/iscsi/iscsi_target.c @@ -54,7 +54,7 @@ static LIST_HEAD(g_tiqn_list); static LIST_HEAD(g_np_list); static DEFINE_SPINLOCK(tiqn_lock); -static DEFINE_SPINLOCK(np_lock); +static DEFINE_MUTEX(np_lock); static struct idr tiqn_idr; struct idr sess_idr; @@ -303,6 +303,9 @@ bool iscsit_check_np_match( return false; } +/* + * Called with mutex np_lock held + */ static struct iscsi_np *iscsit_get_np( struct __kernel_sockaddr_storage *sockaddr, int network_transport) @@ -310,11 +313,10 @@ static struct iscsi_np *iscsit_get_np( struct iscsi_np *np; bool match; - spin_lock_bh(&np_lock); list_for_each_entry(np, &g_np_list, np_list) { - spin_lock(&np->np_thread_lock); + spin_lock_bh(&np->np_thread_lock); if (np->np_thread_state != ISCSI_NP_THREAD_ACTIVE) { - spin_unlock(&np->np_thread_lock); + spin_unlock_bh(&np->np_thread_lock); continue; } @@ -326,13 +328,11 @@ static struct iscsi_np *iscsit_get_np( * while iscsi_tpg_add_network_portal() is called. */ np->np_exports++; - spin_unlock(&np->np_thread_lock); - spin_unlock_bh(&np_lock); + spin_unlock_bh(&np->np_thread_lock); return np; } - spin_unlock(&np->np_thread_lock); + spin_unlock_bh(&np->np_thread_lock); } - spin_unlock_bh(&np_lock); return NULL; } @@ -346,16 +346,22 @@ struct iscsi_np *iscsit_add_np( struct sockaddr_in6 *sock_in6; struct iscsi_np *np; int ret; + + mutex_lock(&np_lock); + /* * Locate the existing struct iscsi_np if already active.. */ np = iscsit_get_np(sockaddr, network_transport); - if (np) + if (np) { + mutex_unlock(&np_lock); return np; + } np = kzalloc(sizeof(struct iscsi_np), GFP_KERNEL); if (!np) { pr_err("Unable to allocate memory for struct iscsi_np\n"); + mutex_unlock(&np_lock); return ERR_PTR(-ENOMEM); } @@ -378,6 +384,7 @@ struct iscsi_np *iscsit_add_np( ret = iscsi_target_setup_login_socket(np, sockaddr); if (ret != 0) { kfree(np); + mutex_unlock(&np_lock); return ERR_PTR(ret); } @@ -386,6 +393,7 @@ struct iscsi_np *iscsit_add_np( pr_err("Unable to create kthread: iscsi_np\n"); ret = PTR_ERR(np->np_thread); kfree(np); + mutex_unlock(&np_lock); return ERR_PTR(ret); } /* @@ -396,10 +404,10 @@ struct iscsi_np *iscsit_add_np( * point because iscsi_np has not been added to g_np_list yet. */ np->np_exports = 1; + np->np_thread_state = ISCSI_NP_THREAD_ACTIVE; - spin_lock_bh(&np_lock); list_add_tail(&np->np_list, &g_np_list); - spin_unlock_bh(&np_lock); + mutex_unlock(&np_lock); pr_debug("CORE[0] - Added Network Portal: %s:%hu on %s\n", np->np_ip, np->np_port, np->np_transport->name); @@ -469,9 +477,9 @@ int iscsit_del_np(struct iscsi_np *np) np->np_transport->iscsit_free_np(np); - spin_lock_bh(&np_lock); + mutex_lock(&np_lock); list_del(&np->np_list); - spin_unlock_bh(&np_lock); + mutex_unlock(&np_lock); pr_debug("CORE[0] - Removed Network Portal: %s:%hu on %s\n", np->np_ip, np->np_port, np->np_transport->name); @@ -838,24 +846,22 @@ int iscsit_setup_scsi_cmd(struct iscsi_conn *conn, struct iscsi_cmd *cmd, if (((hdr->flags & ISCSI_FLAG_CMD_READ) || (hdr->flags & ISCSI_FLAG_CMD_WRITE)) && !hdr->data_length) { /* - * Vmware ESX v3.0 uses a modified Cisco Initiator (v3.4.2) - * that adds support for RESERVE/RELEASE. There is a bug - * add with this new functionality that sets R/W bits when - * neither CDB carries any READ or WRITE datapayloads. + * From RFC-3720 Section 10.3.1: + * + * "Either or both of R and W MAY be 1 when either the + * Expected Data Transfer Length and/or Bidirectional Read + * Expected Data Transfer Length are 0" + * + * For this case, go ahead and clear the unnecssary bits + * to avoid any confusion with ->data_direction. */ - if ((hdr->cdb[0] == 0x16) || (hdr->cdb[0] == 0x17)) { - hdr->flags &= ~ISCSI_FLAG_CMD_READ; - hdr->flags &= ~ISCSI_FLAG_CMD_WRITE; - goto done; - } + hdr->flags &= ~ISCSI_FLAG_CMD_READ; + hdr->flags &= ~ISCSI_FLAG_CMD_WRITE; - pr_err("ISCSI_FLAG_CMD_READ or ISCSI_FLAG_CMD_WRITE" + pr_warn("ISCSI_FLAG_CMD_READ or ISCSI_FLAG_CMD_WRITE" " set when Expected Data Transfer Length is 0 for" - " CDB: 0x%02x. Bad iSCSI Initiator.\n", hdr->cdb[0]); - return iscsit_add_reject_cmd(cmd, - ISCSI_REASON_BOOKMARK_INVALID, buf); + " CDB: 0x%02x, Fixing up flags\n", hdr->cdb[0]); } -done: if (!(hdr->flags & ISCSI_FLAG_CMD_READ) && !(hdr->flags & ISCSI_FLAG_CMD_WRITE) && (hdr->data_length != 0)) { diff --git a/drivers/target/target_core_device.c b/drivers/target/target_core_device.c index 4630481b6043..660b109487ae 100644 --- a/drivers/target/target_core_device.c +++ b/drivers/target/target_core_device.c @@ -1078,6 +1078,11 @@ int se_dev_set_block_size(struct se_device *dev, u32 block_size) dev->dev_attrib.block_size = block_size; pr_debug("dev[%p]: SE Device block_size changed to %u\n", dev, block_size); + + if (dev->dev_attrib.max_bytes_per_io) + dev->dev_attrib.hw_max_sectors = + dev->dev_attrib.max_bytes_per_io / block_size; + return 0; } diff --git a/drivers/target/target_core_file.c b/drivers/target/target_core_file.c index b11890d85120..3b2879316b87 100644 --- a/drivers/target/target_core_file.c +++ b/drivers/target/target_core_file.c @@ -66,9 +66,8 @@ static int fd_attach_hba(struct se_hba *hba, u32 host_id) pr_debug("CORE_HBA[%d] - TCM FILEIO HBA Driver %s on Generic" " Target Core Stack %s\n", hba->hba_id, FD_VERSION, TARGET_CORE_MOD_VERSION); - pr_debug("CORE_HBA[%d] - Attached FILEIO HBA: %u to Generic" - " MaxSectors: %u\n", - hba->hba_id, fd_host->fd_host_id, FD_MAX_SECTORS); + pr_debug("CORE_HBA[%d] - Attached FILEIO HBA: %u to Generic\n", + hba->hba_id, fd_host->fd_host_id); return 0; } @@ -220,7 +219,8 @@ static int fd_configure_device(struct se_device *dev) } dev->dev_attrib.hw_block_size = fd_dev->fd_block_size; - dev->dev_attrib.hw_max_sectors = FD_MAX_SECTORS; + dev->dev_attrib.max_bytes_per_io = FD_MAX_BYTES; + dev->dev_attrib.hw_max_sectors = FD_MAX_BYTES / fd_dev->fd_block_size; dev->dev_attrib.hw_queue_depth = FD_MAX_DEVICE_QUEUE_DEPTH; if (fd_dev->fbd_flags & FDBD_HAS_BUFFERED_IO_WCE) { diff --git a/drivers/target/target_core_file.h b/drivers/target/target_core_file.h index 37ffc5bd2399..d7772c167685 100644 --- a/drivers/target/target_core_file.h +++ b/drivers/target/target_core_file.h @@ -7,7 +7,10 @@ #define FD_DEVICE_QUEUE_DEPTH 32 #define FD_MAX_DEVICE_QUEUE_DEPTH 128 #define FD_BLOCKSIZE 512 -#define FD_MAX_SECTORS 2048 +/* + * Limited by the number of iovecs (2048) per vfs_[writev,readv] call + */ +#define FD_MAX_BYTES 8388608 #define RRF_EMULATE_CDB 0x01 #define RRF_GOT_LBA 0x02 diff --git a/drivers/tty/n_gsm.c b/drivers/tty/n_gsm.c index 642239015b46..3ee7217e25b2 100644 --- a/drivers/tty/n_gsm.c +++ b/drivers/tty/n_gsm.c @@ -1089,6 +1089,7 @@ static void gsm_control_modem(struct gsm_mux *gsm, u8 *data, int clen) { unsigned int addr = 0; unsigned int modem = 0; + unsigned int brk = 0; struct gsm_dlci *dlci; int len = clen; u8 *dp = data; @@ -1115,6 +1116,16 @@ static void gsm_control_modem(struct gsm_mux *gsm, u8 *data, int clen) if (len == 0) return; } + len--; + if (len > 0) { + while (gsm_read_ea(&brk, *dp++) == 0) { + len--; + if (len == 0) + return; + } + modem <<= 7; + modem |= (brk & 0x7f); + } tty = tty_port_tty_get(&dlci->port); gsm_process_modem(tty, dlci, modem, clen); if (tty) { diff --git a/drivers/tty/serial/8250/8250_dw.c b/drivers/tty/serial/8250/8250_dw.c index d07b6af3a937..5d880917850f 100644 --- a/drivers/tty/serial/8250/8250_dw.c +++ b/drivers/tty/serial/8250/8250_dw.c @@ -369,6 +369,8 @@ MODULE_DEVICE_TABLE(of, dw8250_of_match); static const struct acpi_device_id dw8250_acpi_match[] = { { "INT33C4", 0 }, { "INT33C5", 0 }, + { "INT3434", 0 }, + { "INT3435", 0 }, { "80860F0A", 0 }, { }, }; diff --git a/drivers/tty/serial/8250/8250_pci.c b/drivers/tty/serial/8250/8250_pci.c index c52948b368d8..8d3c0b5e2878 100644 --- a/drivers/tty/serial/8250/8250_pci.c +++ b/drivers/tty/serial/8250/8250_pci.c @@ -1260,10 +1260,10 @@ static int pci_quatech_init(struct pci_dev *dev) unsigned long base = pci_resource_start(dev, 0); if (base) { u32 tmp; - outl(inl(base + 0x38), base + 0x38); + outl(inl(base + 0x38) | 0x00002000, base + 0x38); tmp = inl(base + 0x3c); outl(tmp | 0x01000000, base + 0x3c); - outl(tmp, base + 0x3c); + outl(tmp &= ~0x01000000, base + 0x3c); } } return 0; @@ -1545,6 +1545,7 @@ pci_wch_ch353_setup(struct serial_private *priv, #define PCI_DEVICE_ID_TITAN_800E 0xA014 #define PCI_DEVICE_ID_TITAN_200EI 0xA016 #define PCI_DEVICE_ID_TITAN_200EISI 0xA017 +#define PCI_DEVICE_ID_TITAN_200V3 0xA306 #define PCI_DEVICE_ID_TITAN_400V3 0xA310 #define PCI_DEVICE_ID_TITAN_410V3 0xA312 #define PCI_DEVICE_ID_TITAN_800V3 0xA314 @@ -4139,6 +4140,9 @@ static struct pci_device_id serial_pci_tbl[] = { { PCI_VENDOR_ID_TITAN, PCI_DEVICE_ID_TITAN_200EISI, PCI_ANY_ID, PCI_ANY_ID, 0, 0, pbn_oxsemi_2_4000000 }, + { PCI_VENDOR_ID_TITAN, PCI_DEVICE_ID_TITAN_200V3, + PCI_ANY_ID, PCI_ANY_ID, 0, 0, + pbn_b0_bt_2_921600 }, { PCI_VENDOR_ID_TITAN, PCI_DEVICE_ID_TITAN_400V3, PCI_ANY_ID, PCI_ANY_ID, 0, 0, pbn_b0_4_921600 }, diff --git a/drivers/tty/serial/amba-pl011.c b/drivers/tty/serial/amba-pl011.c index e2774f9ecd59..7a55fe70434a 100644 --- a/drivers/tty/serial/amba-pl011.c +++ b/drivers/tty/serial/amba-pl011.c @@ -1543,6 +1543,8 @@ static int pl011_startup(struct uart_port *port) /* * Provoke TX FIFO interrupt into asserting. */ + spin_lock_irq(&uap->port.lock); + cr = UART01x_CR_UARTEN | UART011_CR_TXE | UART011_CR_LBE; writew(cr, uap->port.membase + UART011_CR); writew(0, uap->port.membase + UART011_FBRD); @@ -1567,6 +1569,8 @@ static int pl011_startup(struct uart_port *port) cr |= UART01x_CR_UARTEN | UART011_CR_RXE | UART011_CR_TXE; writew(cr, uap->port.membase + UART011_CR); + spin_unlock_irq(&uap->port.lock); + /* * initialise the old status of the modem signals */ @@ -1636,11 +1640,13 @@ static void pl011_shutdown(struct uart_port *port) * it during startup(). */ uap->autorts = false; + spin_lock_irq(&uap->port.lock); cr = readw(uap->port.membase + UART011_CR); uap->old_cr = cr; cr &= UART011_CR_RTS | UART011_CR_DTR; cr |= UART01x_CR_UARTEN | UART011_CR_TXE; writew(cr, uap->port.membase + UART011_CR); + spin_unlock_irq(&uap->port.lock); /* * disable break condition and fifos diff --git a/drivers/tty/serial/atmel_serial.c b/drivers/tty/serial/atmel_serial.c index 3467462869ce..82127ac26d6f 100644 --- a/drivers/tty/serial/atmel_serial.c +++ b/drivers/tty/serial/atmel_serial.c @@ -1022,12 +1022,24 @@ static int atmel_startup(struct uart_port *port) static void atmel_shutdown(struct uart_port *port) { struct atmel_uart_port *atmel_port = to_atmel_uart_port(port); + /* - * Ensure everything is stopped. + * Clear out any scheduled tasklets before + * we destroy the buffers + */ + tasklet_kill(&atmel_port->tasklet); + + /* + * Ensure everything is stopped and + * disable all interrupts, port and break condition. */ atmel_stop_rx(port); atmel_stop_tx(port); + UART_PUT_CR(port, ATMEL_US_RSTSTA); + UART_PUT_IDR(port, -1); + + /* * Shut-down the DMA. */ @@ -1054,12 +1066,6 @@ static void atmel_shutdown(struct uart_port *port) } /* - * Disable all interrupts, port and break condition. - */ - UART_PUT_CR(port, ATMEL_US_RSTSTA); - UART_PUT_IDR(port, -1); - - /* * Free the interrupt */ free_irq(port->irq, port); diff --git a/drivers/tty/serial/pmac_zilog.c b/drivers/tty/serial/pmac_zilog.c index b1785f58b6e3..7735bbdccbc9 100644 --- a/drivers/tty/serial/pmac_zilog.c +++ b/drivers/tty/serial/pmac_zilog.c @@ -2051,6 +2051,9 @@ static int __init pmz_console_init(void) /* Probe ports */ pmz_probe(); + if (pmz_ports_count == 0) + return -ENODEV; + /* TODO: Autoprobe console based on OF */ /* pmz_console.index = i; */ register_console(&pmz_console); diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c index 740202d8a5c4..0d1b3757cfb6 100644 --- a/drivers/tty/vt/vt.c +++ b/drivers/tty/vt/vt.c @@ -1164,6 +1164,8 @@ static void csi_J(struct vc_data *vc, int vpar) scr_memsetw(vc->vc_screenbuf, vc->vc_video_erase_char, vc->vc_screenbuf_size >> 1); set_origin(vc); + if (CON_IS_VISIBLE(vc)) + update_screen(vc); /* fall through */ case 2: /* erase whole display */ count = vc->vc_cols * vc->vc_rows; diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c index b501346484ae..f1cab425163f 100644 --- a/drivers/usb/chipidea/udc.c +++ b/drivers/usb/chipidea/udc.c @@ -103,7 +103,7 @@ static int hw_ep_flush(struct ci13xxx *ci, int num, int dir) do { /* flush any pending transfer */ - hw_write(ci, OP_ENDPTFLUSH, BIT(n), BIT(n)); + hw_write(ci, OP_ENDPTFLUSH, ~0, BIT(n)); while (hw_read(ci, OP_ENDPTFLUSH, BIT(n))) cpu_relax(); } while (hw_read(ci, OP_ENDPTSTAT, BIT(n))); @@ -203,7 +203,7 @@ static int hw_ep_prime(struct ci13xxx *ci, int num, int dir, int is_ctrl) if (is_ctrl && dir == RX && hw_read(ci, OP_ENDPTSETUPSTAT, BIT(num))) return -EAGAIN; - hw_write(ci, OP_ENDPTPRIME, BIT(n), BIT(n)); + hw_write(ci, OP_ENDPTPRIME, ~0, BIT(n)); while (hw_read(ci, OP_ENDPTPRIME, BIT(n))) cpu_relax(); diff --git a/drivers/usb/class/cdc-wdm.c b/drivers/usb/class/cdc-wdm.c index d3318a0df8ee..6463ca3bcfba 100644 --- a/drivers/usb/class/cdc-wdm.c +++ b/drivers/usb/class/cdc-wdm.c @@ -820,13 +820,11 @@ static int wdm_manage_power(struct usb_interface *intf, int on) { /* need autopm_get/put here to ensure the usbcore sees the new value */ int rv = usb_autopm_get_interface(intf); - if (rv < 0) - goto err; intf->needs_remote_wakeup = on; - usb_autopm_put_interface(intf); -err: - return rv; + if (!rv) + usb_autopm_put_interface(intf); + return 0; } static int wdm_probe(struct usb_interface *intf, const struct usb_device_id *id) diff --git a/drivers/usb/core/config.c b/drivers/usb/core/config.c index a6b2cabe7930..548d1996590f 100644 --- a/drivers/usb/core/config.c +++ b/drivers/usb/core/config.c @@ -651,10 +651,6 @@ void usb_destroy_configuration(struct usb_device *dev) * * hub-only!! ... and only in reset path, or usb_new_device() * (used by real hubs and virtual root hubs) - * - * NOTE: if this is a WUSB device and is not authorized, we skip the - * whole thing. A non-authorized USB device has no - * configurations. */ int usb_get_configuration(struct usb_device *dev) { @@ -666,8 +662,6 @@ int usb_get_configuration(struct usb_device *dev) struct usb_config_descriptor *desc; cfgno = 0; - if (dev->authorized == 0) /* Not really an error */ - goto out_not_authorized; result = -ENOMEM; if (ncfg > USB_MAXCONFIG) { dev_warn(ddev, "too many configurations: %d, " @@ -751,7 +745,6 @@ int usb_get_configuration(struct usb_device *dev) err: kfree(desc); -out_not_authorized: dev->descriptor.bNumConfigurations = cfgno; err2: if (result == -ENOMEM) diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c index d3aa353908aa..d53547d2e4c7 100644 --- a/drivers/usb/core/hcd.c +++ b/drivers/usb/core/hcd.c @@ -1010,7 +1010,6 @@ static int register_root_hub(struct usb_hcd *hcd) dev_name(&usb_dev->dev), retval); return retval; } - usb_dev->lpm_capable = usb_device_supports_lpm(usb_dev); } retval = usb_new_device (usb_dev); diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index 41ecb57556ef..6ff9ad9ece0e 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -135,7 +135,7 @@ struct usb_hub *usb_hub_to_struct_hub(struct usb_device *hdev) return usb_get_intfdata(hdev->actconfig->interface[0]); } -int usb_device_supports_lpm(struct usb_device *udev) +static int usb_device_supports_lpm(struct usb_device *udev) { /* USB 2.1 (and greater) devices indicate LPM support through * their USB 2.0 Extended Capabilities BOS descriptor. @@ -156,11 +156,6 @@ int usb_device_supports_lpm(struct usb_device *udev) "Power management will be impacted.\n"); return 0; } - - /* udev is root hub */ - if (!udev->parent) - return 1; - if (udev->parent->lpm_capable) return 1; @@ -1605,7 +1600,7 @@ static void hub_disconnect(struct usb_interface *intf) { struct usb_hub *hub = usb_get_intfdata(intf); struct usb_device *hdev = interface_to_usbdev(intf); - int i; + int port1; /* Take the hub off the event list and don't let it be added again */ spin_lock_irq(&hub_event_lock); @@ -1620,11 +1615,15 @@ static void hub_disconnect(struct usb_interface *intf) hub->error = 0; hub_quiesce(hub, HUB_DISCONNECT); - usb_set_intfdata (intf, NULL); + /* Avoid races with recursively_mark_NOTATTACHED() */ + spin_lock_irq(&device_state_lock); + port1 = hdev->maxchild; + hdev->maxchild = 0; + usb_set_intfdata(intf, NULL); + spin_unlock_irq(&device_state_lock); - for (i = 0; i < hdev->maxchild; i++) - usb_hub_remove_port_device(hub, i + 1); - hub->hdev->maxchild = 0; + for (; port1 > 0; --port1) + usb_hub_remove_port_device(hub, port1); if (hub->hdev->speed == USB_SPEED_HIGH) highspeed_hubs--; @@ -2192,18 +2191,13 @@ static int usb_enumerate_device(struct usb_device *udev) return err; } } - if (udev->wusb == 1 && udev->authorized == 0) { - udev->product = kstrdup("n/a (unauthorized)", GFP_KERNEL); - udev->manufacturer = kstrdup("n/a (unauthorized)", GFP_KERNEL); - udev->serial = kstrdup("n/a (unauthorized)", GFP_KERNEL); - } - else { - /* read the standard strings and cache them if present */ - udev->product = usb_cache_string(udev, udev->descriptor.iProduct); - udev->manufacturer = usb_cache_string(udev, - udev->descriptor.iManufacturer); - udev->serial = usb_cache_string(udev, udev->descriptor.iSerialNumber); - } + + /* read the standard strings and cache them if present */ + udev->product = usb_cache_string(udev, udev->descriptor.iProduct); + udev->manufacturer = usb_cache_string(udev, + udev->descriptor.iManufacturer); + udev->serial = usb_cache_string(udev, udev->descriptor.iSerialNumber); + err = usb_enumerate_device_otg(udev); if (err < 0) return err; @@ -2387,16 +2381,6 @@ int usb_deauthorize_device(struct usb_device *usb_dev) usb_dev->authorized = 0; usb_set_configuration(usb_dev, -1); - kfree(usb_dev->product); - usb_dev->product = kstrdup("n/a (unauthorized)", GFP_KERNEL); - kfree(usb_dev->manufacturer); - usb_dev->manufacturer = kstrdup("n/a (unauthorized)", GFP_KERNEL); - kfree(usb_dev->serial); - usb_dev->serial = kstrdup("n/a (unauthorized)", GFP_KERNEL); - - usb_destroy_configuration(usb_dev); - usb_dev->descriptor.bNumConfigurations = 0; - out_unauthorized: usb_unlock_device(usb_dev); return 0; @@ -2424,17 +2408,7 @@ int usb_authorize_device(struct usb_device *usb_dev) goto error_device_descriptor; } - kfree(usb_dev->product); - usb_dev->product = NULL; - kfree(usb_dev->manufacturer); - usb_dev->manufacturer = NULL; - kfree(usb_dev->serial); - usb_dev->serial = NULL; - usb_dev->authorized = 1; - result = usb_enumerate_device(usb_dev); - if (result < 0) - goto error_enumerate; /* Choose and set the configuration. This registers the interfaces * with the driver core and lets interface drivers bind to them. */ @@ -2450,7 +2424,6 @@ int usb_authorize_device(struct usb_device *usb_dev) } dev_info(&usb_dev->dev, "authorized to connect\n"); -error_enumerate: error_device_descriptor: usb_autosuspend_device(usb_dev); error_autoresume: @@ -4778,8 +4751,9 @@ static void hub_events(void) hub->ports[i - 1]->child; dev_dbg(hub_dev, "warm reset port %d\n", i); - if (!udev || !(portstatus & - USB_PORT_STAT_CONNECTION)) { + if (!udev || + !(portstatus & USB_PORT_STAT_CONNECTION) || + udev->state == USB_STATE_NOTATTACHED) { status = hub_port_reset(hub, i, NULL, HUB_BH_RESET_TIME, true); diff --git a/drivers/usb/core/usb.h b/drivers/usb/core/usb.h index c49383669cd8..823857767a16 100644 --- a/drivers/usb/core/usb.h +++ b/drivers/usb/core/usb.h @@ -35,7 +35,6 @@ extern int usb_get_device_descriptor(struct usb_device *dev, unsigned int size); extern int usb_get_bos_descriptor(struct usb_device *dev); extern void usb_release_bos_descriptor(struct usb_device *dev); -extern int usb_device_supports_lpm(struct usb_device *udev); extern char *usb_cache_string(struct usb_device *udev, int index); extern int usb_set_configuration(struct usb_device *dev, int configuration); extern int usb_choose_configuration(struct usb_device *udev); diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c index 5acbb948b704..3cea676ba901 100644 --- a/drivers/usb/dwc3/ep0.c +++ b/drivers/usb/dwc3/ep0.c @@ -478,6 +478,8 @@ static int dwc3_ep0_handle_feature(struct dwc3 *dwc, dep = dwc3_wIndex_to_dep(dwc, wIndex); if (!dep) return -EINVAL; + if (set == 0 && (dep->flags & DWC3_EP_WEDGE)) + break; ret = __dwc3_gadget_ep_set_halt(dep, set); if (ret) return -EINVAL; diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index 14d28d6184f6..69948ad39837 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -1220,9 +1220,6 @@ int __dwc3_gadget_ep_set_halt(struct dwc3_ep *dep, int value) else dep->flags |= DWC3_EP_STALL; } else { - if (dep->flags & DWC3_EP_WEDGE) - return 0; - ret = dwc3_send_gadget_ep_cmd(dwc, dep->number, DWC3_DEPCMD_CLEARSTALL, ¶ms); if (ret) @@ -1230,7 +1227,7 @@ int __dwc3_gadget_ep_set_halt(struct dwc3_ep *dep, int value) value ? "set" : "clear", dep->name); else - dep->flags &= ~DWC3_EP_STALL; + dep->flags &= ~(DWC3_EP_STALL | DWC3_EP_WEDGE); } return ret; diff --git a/drivers/usb/gadget/bcm63xx_udc.c b/drivers/usb/gadget/bcm63xx_udc.c index fd24cb4540a4..5396709cdc07 100644 --- a/drivers/usb/gadget/bcm63xx_udc.c +++ b/drivers/usb/gadget/bcm63xx_udc.c @@ -361,24 +361,30 @@ static inline void usb_dma_writel(struct bcm63xx_udc *udc, u32 val, u32 off) bcm_writel(val, udc->iudma_regs + off); } -static inline u32 usb_dmac_readl(struct bcm63xx_udc *udc, u32 off) +static inline u32 usb_dmac_readl(struct bcm63xx_udc *udc, u32 off, int chan) { - return bcm_readl(udc->iudma_regs + IUDMA_DMAC_OFFSET + off); + return bcm_readl(udc->iudma_regs + IUDMA_DMAC_OFFSET + off + + (ENETDMA_CHAN_WIDTH * chan)); } -static inline void usb_dmac_writel(struct bcm63xx_udc *udc, u32 val, u32 off) +static inline void usb_dmac_writel(struct bcm63xx_udc *udc, u32 val, u32 off, + int chan) { - bcm_writel(val, udc->iudma_regs + IUDMA_DMAC_OFFSET + off); + bcm_writel(val, udc->iudma_regs + IUDMA_DMAC_OFFSET + off + + (ENETDMA_CHAN_WIDTH * chan)); } -static inline u32 usb_dmas_readl(struct bcm63xx_udc *udc, u32 off) +static inline u32 usb_dmas_readl(struct bcm63xx_udc *udc, u32 off, int chan) { - return bcm_readl(udc->iudma_regs + IUDMA_DMAS_OFFSET + off); + return bcm_readl(udc->iudma_regs + IUDMA_DMAS_OFFSET + off + + (ENETDMA_CHAN_WIDTH * chan)); } -static inline void usb_dmas_writel(struct bcm63xx_udc *udc, u32 val, u32 off) +static inline void usb_dmas_writel(struct bcm63xx_udc *udc, u32 val, u32 off, + int chan) { - bcm_writel(val, udc->iudma_regs + IUDMA_DMAS_OFFSET + off); + bcm_writel(val, udc->iudma_regs + IUDMA_DMAS_OFFSET + off + + (ENETDMA_CHAN_WIDTH * chan)); } static inline void set_clocks(struct bcm63xx_udc *udc, bool is_enabled) @@ -639,7 +645,7 @@ static void iudma_write(struct bcm63xx_udc *udc, struct iudma_ch *iudma, } while (!last_bd); usb_dmac_writel(udc, ENETDMAC_CHANCFG_EN_MASK, - ENETDMAC_CHANCFG_REG(iudma->ch_idx)); + ENETDMAC_CHANCFG_REG, iudma->ch_idx); } /** @@ -695,9 +701,9 @@ static void iudma_reset_channel(struct bcm63xx_udc *udc, struct iudma_ch *iudma) bcm63xx_fifo_reset_ep(udc, max(0, iudma->ep_num)); /* stop DMA, then wait for the hardware to wrap up */ - usb_dmac_writel(udc, 0, ENETDMAC_CHANCFG_REG(ch_idx)); + usb_dmac_writel(udc, 0, ENETDMAC_CHANCFG_REG, ch_idx); - while (usb_dmac_readl(udc, ENETDMAC_CHANCFG_REG(ch_idx)) & + while (usb_dmac_readl(udc, ENETDMAC_CHANCFG_REG, ch_idx) & ENETDMAC_CHANCFG_EN_MASK) { udelay(1); @@ -714,10 +720,10 @@ static void iudma_reset_channel(struct bcm63xx_udc *udc, struct iudma_ch *iudma) dev_warn(udc->dev, "forcibly halting IUDMA channel %d\n", ch_idx); usb_dmac_writel(udc, ENETDMAC_CHANCFG_BUFHALT_MASK, - ENETDMAC_CHANCFG_REG(ch_idx)); + ENETDMAC_CHANCFG_REG, ch_idx); } } - usb_dmac_writel(udc, ~0, ENETDMAC_IR_REG(ch_idx)); + usb_dmac_writel(udc, ~0, ENETDMAC_IR_REG, ch_idx); /* don't leave "live" HW-owned entries for the next guy to step on */ for (d = iudma->bd_ring; d <= iudma->end_bd; d++) @@ -729,11 +735,11 @@ static void iudma_reset_channel(struct bcm63xx_udc *udc, struct iudma_ch *iudma) /* set up IRQs, UBUS burst size, and BD base for this channel */ usb_dmac_writel(udc, ENETDMAC_IR_BUFDONE_MASK, - ENETDMAC_IRMASK_REG(ch_idx)); - usb_dmac_writel(udc, 8, ENETDMAC_MAXBURST_REG(ch_idx)); + ENETDMAC_IRMASK_REG, ch_idx); + usb_dmac_writel(udc, 8, ENETDMAC_MAXBURST_REG, ch_idx); - usb_dmas_writel(udc, iudma->bd_ring_dma, ENETDMAS_RSTART_REG(ch_idx)); - usb_dmas_writel(udc, 0, ENETDMAS_SRAM2_REG(ch_idx)); + usb_dmas_writel(udc, iudma->bd_ring_dma, ENETDMAS_RSTART_REG, ch_idx); + usb_dmas_writel(udc, 0, ENETDMAS_SRAM2_REG, ch_idx); } /** @@ -2036,7 +2042,7 @@ static irqreturn_t bcm63xx_udc_data_isr(int irq, void *dev_id) spin_lock(&udc->lock); usb_dmac_writel(udc, ENETDMAC_IR_BUFDONE_MASK, - ENETDMAC_IR_REG(iudma->ch_idx)); + ENETDMAC_IR_REG, iudma->ch_idx); bep = iudma->bep; rc = iudma_read(udc, iudma); @@ -2176,18 +2182,18 @@ static int bcm63xx_iudma_dbg_show(struct seq_file *s, void *p) seq_printf(s, " [ep%d]:\n", max_t(int, iudma_defaults[ch_idx].ep_num, 0)); seq_printf(s, " cfg: %08x; irqstat: %08x; irqmask: %08x; maxburst: %08x\n", - usb_dmac_readl(udc, ENETDMAC_CHANCFG_REG(ch_idx)), - usb_dmac_readl(udc, ENETDMAC_IR_REG(ch_idx)), - usb_dmac_readl(udc, ENETDMAC_IRMASK_REG(ch_idx)), - usb_dmac_readl(udc, ENETDMAC_MAXBURST_REG(ch_idx))); + usb_dmac_readl(udc, ENETDMAC_CHANCFG_REG, ch_idx), + usb_dmac_readl(udc, ENETDMAC_IR_REG, ch_idx), + usb_dmac_readl(udc, ENETDMAC_IRMASK_REG, ch_idx), + usb_dmac_readl(udc, ENETDMAC_MAXBURST_REG, ch_idx)); - sram2 = usb_dmas_readl(udc, ENETDMAS_SRAM2_REG(ch_idx)); - sram3 = usb_dmas_readl(udc, ENETDMAS_SRAM3_REG(ch_idx)); + sram2 = usb_dmas_readl(udc, ENETDMAS_SRAM2_REG, ch_idx); + sram3 = usb_dmas_readl(udc, ENETDMAS_SRAM3_REG, ch_idx); seq_printf(s, " base: %08x; index: %04x_%04x; desc: %04x_%04x %08x\n", - usb_dmas_readl(udc, ENETDMAS_RSTART_REG(ch_idx)), + usb_dmas_readl(udc, ENETDMAS_RSTART_REG, ch_idx), sram2 >> 16, sram2 & 0xffff, sram3 >> 16, sram3 & 0xffff, - usb_dmas_readl(udc, ENETDMAS_SRAM4_REG(ch_idx))); + usb_dmas_readl(udc, ENETDMAS_SRAM4_REG, ch_idx)); seq_printf(s, " desc: %d/%d used", iudma->n_bds_used, iudma->n_bds); diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c index c8cbfd3e50bc..024bba4345ed 100644 --- a/drivers/usb/gadget/composite.c +++ b/drivers/usb/gadget/composite.c @@ -605,6 +605,7 @@ static void reset_config(struct usb_composite_dev *cdev) bitmap_zero(f->endpoints, 32); } cdev->config = NULL; + cdev->delayed_status = 0; } static int set_config(struct usb_composite_dev *cdev, diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c index 9cf090fc4337..8864548a374e 100644 --- a/drivers/usb/host/ehci-hcd.c +++ b/drivers/usb/host/ehci-hcd.c @@ -692,8 +692,15 @@ static irqreturn_t ehci_irq (struct usb_hcd *hcd) struct ehci_hcd *ehci = hcd_to_ehci (hcd); u32 status, masked_status, pcd_status = 0, cmd; int bh; + unsigned long flags; - spin_lock (&ehci->lock); + /* + * For threadirqs option we use spin_lock_irqsave() variant to prevent + * deadlock with ehci hrtimer callback, because hrtimer callbacks run + * in interrupt context even when threadirqs is specified. We can go + * back to spin_lock() variant when hrtimer callbacks become threaded. + */ + spin_lock_irqsave(&ehci->lock, flags); status = ehci_readl(ehci, &ehci->regs->status); @@ -711,7 +718,7 @@ static irqreturn_t ehci_irq (struct usb_hcd *hcd) /* Shared IRQ? */ if (!masked_status || unlikely(ehci->rh_state == EHCI_RH_HALTED)) { - spin_unlock(&ehci->lock); + spin_unlock_irqrestore(&ehci->lock, flags); return IRQ_NONE; } @@ -831,7 +838,7 @@ dead: if (bh) ehci_work (ehci); - spin_unlock (&ehci->lock); + spin_unlock_irqrestore(&ehci->lock, flags); if (pcd_status) usb_hcd_poll_rh_status(hcd); return IRQ_HANDLED; diff --git a/drivers/usb/host/ehci.h b/drivers/usb/host/ehci.h index fb31b1112638..467e38aa1ecd 100644 --- a/drivers/usb/host/ehci.h +++ b/drivers/usb/host/ehci.h @@ -203,6 +203,7 @@ struct ehci_hcd { /* one per controller */ unsigned controller_remote_wakeup:1; unsigned broken_hostpc_phcd:1; #endif + unsigned imx28_write_fix:1; /* For Freescale i.MX28 */ /* required for usb32 quirk */ #define OHCI_CTRL_HCFS (3 << 6) @@ -683,6 +684,18 @@ static inline unsigned int ehci_readl(const struct ehci_hcd *ehci, #endif } +#ifdef CONFIG_SOC_IMX28 +static inline void imx28_ehci_writel(const unsigned int val, + volatile __u32 __iomem *addr) +{ + __asm__ ("swp %0, %0, [%1]" : : "r"(val), "r"(addr)); +} +#else +static inline void imx28_ehci_writel(const unsigned int val, + volatile __u32 __iomem *addr) +{ +} +#endif static inline void ehci_writel(const struct ehci_hcd *ehci, const unsigned int val, __u32 __iomem *regs) { @@ -691,7 +704,10 @@ static inline void ehci_writel(const struct ehci_hcd *ehci, writel_be(val, regs) : writel(val, regs); #else - writel(val, regs); + if (ehci->imx28_write_fix) + imx28_ehci_writel(val, regs); + else + writel(val, regs); #endif } diff --git a/drivers/usb/serial/cypress_m8.h b/drivers/usb/serial/cypress_m8.h index b461311a2ae7..ce13e61b7d55 100644 --- a/drivers/usb/serial/cypress_m8.h +++ b/drivers/usb/serial/cypress_m8.h @@ -63,7 +63,7 @@ #define UART_DSR 0x20 /* data set ready - flow control - device to host */ #define CONTROL_RTS 0x10 /* request to send - flow control - host to device */ #define UART_CTS 0x10 /* clear to send - flow control - device to host */ -#define UART_RI 0x10 /* ring indicator - modem - device to host */ +#define UART_RI 0x80 /* ring indicator - modem - device to host */ #define UART_CD 0x40 /* carrier detect - modem - device to host */ #define CYP_ERROR 0x08 /* received from input report - device to host */ /* Note - the below has nothing to do with the "feature report" reset */ diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index 92549cc4665f..b83da38bc915 100644 --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -155,6 +155,7 @@ static struct usb_device_id id_table_combined [] = { { USB_DEVICE(FTDI_VID, FTDI_CANUSB_PID) }, { USB_DEVICE(FTDI_VID, FTDI_CANDAPTER_PID) }, { USB_DEVICE(FTDI_VID, FTDI_NXTCAM_PID) }, + { USB_DEVICE(FTDI_VID, FTDI_EV3CON_PID) }, { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_0_PID) }, { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_1_PID) }, { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_2_PID) }, @@ -194,6 +195,8 @@ static struct usb_device_id id_table_combined [] = { { USB_DEVICE(INTERBIOMETRICS_VID, INTERBIOMETRICS_IOBOARD_PID) }, { USB_DEVICE(INTERBIOMETRICS_VID, INTERBIOMETRICS_MINI_IOBOARD_PID) }, { USB_DEVICE(FTDI_VID, FTDI_SPROG_II) }, + { USB_DEVICE(FTDI_VID, FTDI_TAGSYS_LP101_PID) }, + { USB_DEVICE(FTDI_VID, FTDI_TAGSYS_P200X_PID) }, { USB_DEVICE(FTDI_VID, FTDI_LENZ_LIUSB_PID) }, { USB_DEVICE(FTDI_VID, FTDI_XF_632_PID) }, { USB_DEVICE(FTDI_VID, FTDI_XF_634_PID) }, @@ -907,6 +910,8 @@ static struct usb_device_id id_table_combined [] = { /* Crucible Devices */ { USB_DEVICE(FTDI_VID, FTDI_CT_COMET_PID) }, { USB_DEVICE(FTDI_VID, FTDI_Z3X_PID) }, + /* Cressi Devices */ + { USB_DEVICE(FTDI_VID, FTDI_CRESSI_PID) }, { }, /* Optional parameter entry */ { } /* Terminating entry */ }; @@ -2132,10 +2137,20 @@ static void ftdi_set_termios(struct tty_struct *tty, } /* - * All FTDI UART chips are limited to CS7/8. We won't pretend to + * All FTDI UART chips are limited to CS7/8. We shouldn't pretend to * support CS5/6 and revert the CSIZE setting instead. + * + * CS5 however is used to control some smartcard readers which abuse + * this limitation to switch modes. Original FTDI chips fall back to + * eight data bits. + * + * TODO: Implement a quirk to only allow this with mentioned + * readers. One I know of (Argolis Smartreader V1) + * returns "USB smartcard server" as iInterface string. + * The vendor didn't bother with a custom VID/PID of + * course. */ - if ((C_CSIZE(tty) != CS8) && (C_CSIZE(tty) != CS7)) { + if (C_CSIZE(tty) == CS6) { dev_warn(ddev, "requested CSIZE setting not supported\n"); termios->c_cflag &= ~CSIZE; @@ -2182,6 +2197,9 @@ no_skip: urb_value |= FTDI_SIO_SET_DATA_PARITY_NONE; } switch (cflag & CSIZE) { + case CS5: + dev_dbg(ddev, "Setting CS5 quirk\n"); + break; case CS7: urb_value |= 7; dev_dbg(ddev, "Setting CS7\n"); diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h index a7019d1e3058..e599fbfcde5f 100644 --- a/drivers/usb/serial/ftdi_sio_ids.h +++ b/drivers/usb/serial/ftdi_sio_ids.h @@ -50,6 +50,7 @@ #define TI_XDS100V2_PID 0xa6d0 #define FTDI_NXTCAM_PID 0xABB8 /* NXTCam for Mindstorms NXT */ +#define FTDI_EV3CON_PID 0xABB9 /* Mindstorms EV3 Console Adapter */ /* US Interface Navigator (http://www.usinterface.com/) */ #define FTDI_USINT_CAT_PID 0xb810 /* Navigator CAT and 2nd PTT lines */ @@ -363,6 +364,12 @@ /* Sprog II (Andrew Crosland's SprogII DCC interface) */ #define FTDI_SPROG_II 0xF0C8 +/* + * Two of the Tagsys RFID Readers + */ +#define FTDI_TAGSYS_LP101_PID 0xF0E9 /* Tagsys L-P101 RFID*/ +#define FTDI_TAGSYS_P200X_PID 0xF0EE /* Tagsys Medio P200x RFID*/ + /* an infrared receiver for user access control with IR tags */ #define FTDI_PIEGROUP_PID 0xF208 /* Product Id */ @@ -1313,3 +1320,9 @@ * Manufacturer: Smart GSM Team */ #define FTDI_Z3X_PID 0x0011 + +/* + * Product: Cressi PC Interface + * Manufacturer: Cressi + */ +#define FTDI_CRESSI_PID 0x87d0 diff --git a/drivers/usb/serial/generic.c b/drivers/usb/serial/generic.c index ba45170c78e5..8335b484f14e 100644 --- a/drivers/usb/serial/generic.c +++ b/drivers/usb/serial/generic.c @@ -176,14 +176,7 @@ retry: return result; } - /* Try sending off another urb, unless in irq context (in which case - * there will be no free urb). */ - if (!in_irq()) - goto retry; - - clear_bit_unlock(USB_SERIAL_WRITE_BUSY, &port->flags); - - return 0; + goto retry; /* try sending off another urb */ } /** diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index c3d94853b4ab..68fc9fe65936 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -85,6 +85,7 @@ static void option_instat_callback(struct urb *urb); #define HUAWEI_PRODUCT_K4505 0x1464 #define HUAWEI_PRODUCT_K3765 0x1465 #define HUAWEI_PRODUCT_K4605 0x14C6 +#define HUAWEI_PRODUCT_E173S6 0x1C07 #define QUANTA_VENDOR_ID 0x0408 #define QUANTA_PRODUCT_Q101 0xEA02 @@ -250,6 +251,7 @@ static void option_instat_callback(struct urb *urb); #define ZTE_PRODUCT_MF628 0x0015 #define ZTE_PRODUCT_MF626 0x0031 #define ZTE_PRODUCT_MC2718 0xffe8 +#define ZTE_PRODUCT_AC2726 0xfff1 #define BENQ_VENDOR_ID 0x04a5 #define BENQ_PRODUCT_H10 0x4068 @@ -318,6 +320,9 @@ static void option_instat_callback(struct urb *urb); * It seems to contain a Qualcomm QSC6240/6290 chipset */ #define FOUR_G_SYSTEMS_PRODUCT_W14 0x9603 +/* iBall 3.5G connect wireless modem */ +#define IBALL_3_5G_CONNECT 0x9605 + /* Zoom */ #define ZOOM_PRODUCT_4597 0x9607 @@ -572,6 +577,8 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0x1c23, USB_CLASS_COMM, 0x02, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E173, 0xff, 0xff, 0xff), .driver_info = (kernel_ulong_t) &net_intf1_blacklist }, + { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E173S6, 0xff, 0xff, 0xff), + .driver_info = (kernel_ulong_t) &net_intf1_blacklist }, { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1750, 0xff, 0xff, 0xff), .driver_info = (kernel_ulong_t) &net_intf2_blacklist }, { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0x1441, USB_CLASS_COMM, 0x02, 0xff) }, @@ -634,6 +641,10 @@ static const struct usb_device_id option_ids[] = { { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x01, 0x6D) }, { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x01, 0x6E) }, { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x01, 0x6F) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x01, 0x72) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x01, 0x73) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x01, 0x74) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x01, 0x75) }, { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x01, 0x78) }, { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x01, 0x79) }, { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x01, 0x7A) }, @@ -688,6 +699,10 @@ static const struct usb_device_id option_ids[] = { { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x02, 0x6D) }, { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x02, 0x6E) }, { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x02, 0x6F) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x02, 0x72) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x02, 0x73) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x02, 0x74) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x02, 0x75) }, { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x02, 0x78) }, { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x02, 0x79) }, { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x02, 0x7A) }, @@ -742,6 +757,10 @@ static const struct usb_device_id option_ids[] = { { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x03, 0x6D) }, { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x03, 0x6E) }, { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x03, 0x6F) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x03, 0x72) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x03, 0x73) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x03, 0x74) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x03, 0x75) }, { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x03, 0x78) }, { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x03, 0x79) }, { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x03, 0x7A) }, @@ -796,6 +815,10 @@ static const struct usb_device_id option_ids[] = { { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x04, 0x6D) }, { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x04, 0x6E) }, { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x04, 0x6F) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x04, 0x72) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x04, 0x73) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x04, 0x74) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x04, 0x75) }, { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x04, 0x78) }, { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x04, 0x79) }, { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x04, 0x7A) }, @@ -850,6 +873,10 @@ static const struct usb_device_id option_ids[] = { { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x05, 0x6D) }, { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x05, 0x6E) }, { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x05, 0x6F) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x05, 0x72) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x05, 0x73) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x05, 0x74) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x05, 0x75) }, { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x05, 0x78) }, { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x05, 0x79) }, { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x05, 0x7A) }, @@ -904,6 +931,10 @@ static const struct usb_device_id option_ids[] = { { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x06, 0x6D) }, { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x06, 0x6E) }, { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x06, 0x6F) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x06, 0x72) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x06, 0x73) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x06, 0x74) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x06, 0x75) }, { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x06, 0x78) }, { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x06, 0x79) }, { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x06, 0x7A) }, @@ -1331,7 +1362,8 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1267, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1268, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1269, 0xff, 0xff, 0xff) }, - { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1270, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1270, 0xff, 0xff, 0xff), + .driver_info = (kernel_ulong_t)&net_intf5_blacklist }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1271, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1272, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1273, 0xff, 0xff, 0xff) }, @@ -1419,6 +1451,17 @@ static const struct usb_device_id option_ids[] = { .driver_info = (kernel_ulong_t)&net_intf3_blacklist }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0178, 0xff, 0xff, 0xff), .driver_info = (kernel_ulong_t)&net_intf3_blacklist }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffe9, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff8b, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff8c, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff8d, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff8e, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff8f, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff90, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff91, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff92, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff93, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff94, 0xff, 0xff, 0xff) }, /* NOTE: most ZTE CDMA devices should be driven by zte_ev, not option */ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_MC2718, 0xff, 0xff, 0xff), @@ -1426,6 +1469,7 @@ static const struct usb_device_id option_ids[] = { { USB_VENDOR_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff, 0x02, 0x01) }, { USB_VENDOR_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff, 0x02, 0x05) }, { USB_VENDOR_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff, 0x86, 0x10) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_AC2726, 0xff, 0xff, 0xff) }, { USB_DEVICE(BENQ_VENDOR_ID, BENQ_PRODUCT_H10) }, { USB_DEVICE(DLINK_VENDOR_ID, DLINK_PRODUCT_DWM_652) }, @@ -1460,6 +1504,7 @@ static const struct usb_device_id option_ids[] = { .driver_info = (kernel_ulong_t)&four_g_w14_blacklist }, { USB_DEVICE(LONGCHEER_VENDOR_ID, ZOOM_PRODUCT_4597) }, + { USB_DEVICE(LONGCHEER_VENDOR_ID, IBALL_3_5G_CONNECT) }, { USB_DEVICE(HAIER_VENDOR_ID, HAIER_PRODUCT_CE100) }, /* Pirelli */ { USB_DEVICE_INTERFACE_CLASS(PIRELLI_VENDOR_ID, PIRELLI_PRODUCT_C100_1, 0xff) }, @@ -1481,7 +1526,8 @@ static const struct usb_device_id option_ids[] = { /* Cinterion */ { USB_DEVICE(CINTERION_VENDOR_ID, CINTERION_PRODUCT_EU3_E) }, { USB_DEVICE(CINTERION_VENDOR_ID, CINTERION_PRODUCT_EU3_P) }, - { USB_DEVICE(CINTERION_VENDOR_ID, CINTERION_PRODUCT_PH8) }, + { USB_DEVICE(CINTERION_VENDOR_ID, CINTERION_PRODUCT_PH8), + .driver_info = (kernel_ulong_t)&net_intf4_blacklist }, { USB_DEVICE(CINTERION_VENDOR_ID, CINTERION_PRODUCT_AHXX) }, { USB_DEVICE(CINTERION_VENDOR_ID, CINTERION_PRODUCT_PLXX), .driver_info = (kernel_ulong_t)&net_intf4_blacklist }, diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c index 5e39f5c4941b..4471f464ca26 100644 --- a/drivers/usb/serial/pl2303.c +++ b/drivers/usb/serial/pl2303.c @@ -141,6 +141,8 @@ struct pl2303_private { spinlock_t lock; u8 line_control; u8 line_status; + + u8 line_settings[7]; }; static int pl2303_vendor_read(__u16 value, __u16 index, @@ -280,10 +282,6 @@ static void pl2303_set_termios(struct tty_struct *tty, int baud_floor, baud_ceil; int k; - /* The PL2303 is reported to lose bytes if you change - serial settings even to the same values as before. Thus - we actually need to filter in this specific case */ - if (old_termios && !tty_termios_hw_change(&tty->termios, old_termios)) return; @@ -422,10 +420,29 @@ static void pl2303_set_termios(struct tty_struct *tty, dev_dbg(&port->dev, "parity = none\n"); } - i = usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0), - SET_LINE_REQUEST, SET_LINE_REQUEST_TYPE, - 0, 0, buf, 7, 100); - dev_dbg(&port->dev, "0x21:0x20:0:0 %d\n", i); + /* + * Some PL2303 are known to lose bytes if you change serial settings + * even to the same values as before. Thus we actually need to filter + * in this specific case. + * + * Note that the tty_termios_hw_change check above is not sufficient + * as a previously requested baud rate may differ from the one + * actually used (and stored in old_termios). + * + * NOTE: No additional locking needed for line_settings as it is + * only used in set_termios, which is serialised against itself. + */ + if (!old_termios || memcmp(buf, priv->line_settings, 7)) { + i = usb_control_msg(serial->dev, + usb_sndctrlpipe(serial->dev, 0), + SET_LINE_REQUEST, SET_LINE_REQUEST_TYPE, + 0, 0, buf, 7, 100); + + dev_dbg(&port->dev, "0x21:0x20:0:0 %d\n", i); + + if (i == 7) + memcpy(priv->line_settings, buf, 7); + } /* change control lines if we are switching to or from B0 */ spin_lock_irqsave(&priv->lock, flags); diff --git a/drivers/usb/serial/qcserial.c b/drivers/usb/serial/qcserial.c index c65437cfd4a2..968a40201e5f 100644 --- a/drivers/usb/serial/qcserial.c +++ b/drivers/usb/serial/qcserial.c @@ -139,6 +139,9 @@ static const struct usb_device_id id_table[] = { {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x901c, 0)}, /* Sierra Wireless EM7700 Device Management */ {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x901c, 2)}, /* Sierra Wireless EM7700 NMEA */ {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x901c, 3)}, /* Sierra Wireless EM7700 Modem */ + {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9051, 0)}, /* Netgear AirCard 340U Device Management */ + {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9051, 2)}, /* Netgear AirCard 340U NMEA */ + {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9051, 3)}, /* Netgear AirCard 340U Modem */ { } /* Terminating entry */ }; diff --git a/drivers/usb/serial/zte_ev.c b/drivers/usb/serial/zte_ev.c index fca4c752a4ed..eae2c873b39f 100644 --- a/drivers/usb/serial/zte_ev.c +++ b/drivers/usb/serial/zte_ev.c @@ -281,8 +281,7 @@ static const struct usb_device_id id_table[] = { { USB_DEVICE(0x19d2, 0xfffd) }, { USB_DEVICE(0x19d2, 0xfffc) }, { USB_DEVICE(0x19d2, 0xfffb) }, - /* AC2726, AC8710_V3 */ - { USB_DEVICE_AND_INTERFACE_INFO(0x19d2, 0xfff1, 0xff, 0xff, 0xff) }, + /* AC8710_V3 */ { USB_DEVICE(0x19d2, 0xfff6) }, { USB_DEVICE(0x19d2, 0xfff7) }, { USB_DEVICE(0x19d2, 0xfff8) }, diff --git a/drivers/usb/storage/Kconfig b/drivers/usb/storage/Kconfig index 8470e1b114f2..1dd0604d1911 100644 --- a/drivers/usb/storage/Kconfig +++ b/drivers/usb/storage/Kconfig @@ -18,7 +18,9 @@ config USB_STORAGE This option depends on 'SCSI' support being enabled, but you probably also need 'SCSI device support: SCSI disk support' - (BLK_DEV_SD) for most USB storage devices. + (BLK_DEV_SD) for most USB storage devices. Some devices also + will require 'Probe all LUNs on each SCSI device' + (SCSI_MULTI_LUN). To compile this driver as a module, choose M here: the module will be called usb-storage. diff --git a/drivers/usb/storage/scsiglue.c b/drivers/usb/storage/scsiglue.c index 5db153260827..bb7bf198caab 100644 --- a/drivers/usb/storage/scsiglue.c +++ b/drivers/usb/storage/scsiglue.c @@ -78,6 +78,8 @@ static const char* host_info(struct Scsi_Host *host) static int slave_alloc (struct scsi_device *sdev) { + struct us_data *us = host_to_us(sdev->host); + /* * Set the INQUIRY transfer length to 36. We don't use any of * the extra data and many devices choke if asked for more or @@ -102,6 +104,10 @@ static int slave_alloc (struct scsi_device *sdev) */ blk_queue_update_dma_alignment(sdev->request_queue, (512 - 1)); + /* Tell the SCSI layer if we know there is more than one LUN */ + if (us->protocol == USB_PR_BULK && us->max_lun > 0) + sdev->sdev_bflags |= BLIST_FORCELUN; + return 0; } diff --git a/drivers/usb/storage/unusual_cypress.h b/drivers/usb/storage/unusual_cypress.h index 65a6a75066a8..82e8ed0324e3 100644 --- a/drivers/usb/storage/unusual_cypress.h +++ b/drivers/usb/storage/unusual_cypress.h @@ -31,7 +31,7 @@ UNUSUAL_DEV( 0x04b4, 0x6831, 0x0000, 0x9999, "Cypress ISD-300LP", USB_SC_CYP_ATACB, USB_PR_DEVICE, NULL, 0), -UNUSUAL_DEV( 0x14cd, 0x6116, 0x0000, 0x0219, +UNUSUAL_DEV( 0x14cd, 0x6116, 0x0160, 0x0160, "Super Top", "USB 2.0 SATA BRIDGE", USB_SC_CYP_ATACB, USB_PR_DEVICE, NULL, 0), diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h index de32cfa5bfa6..adbeb255616a 100644 --- a/drivers/usb/storage/unusual_devs.h +++ b/drivers/usb/storage/unusual_devs.h @@ -234,6 +234,13 @@ UNUSUAL_DEV( 0x0421, 0x0495, 0x0370, 0x0370, USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_MAX_SECTORS_64 ), +/* Patch submitted by Mikhail Zolotaryov <lebon@lebon.org.ua> */ +UNUSUAL_DEV( 0x0421, 0x06aa, 0x1110, 0x1110, + "Nokia", + "502", + USB_SC_DEVICE, USB_PR_DEVICE, NULL, + US_FL_MAX_SECTORS_64 ), + #ifdef NO_SDDR09 UNUSUAL_DEV( 0x0436, 0x0005, 0x0100, 0x0100, "Microtech", @@ -1448,6 +1455,13 @@ UNUSUAL_DEV( 0x0f88, 0x042e, 0x0100, 0x0100, USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_FIX_CAPACITY ), +/* Reported by Moritz Moeller-Herrmann <moritz-kernel@moeller-herrmann.de> */ +UNUSUAL_DEV( 0x0fca, 0x8004, 0x0201, 0x0201, + "Research In Motion", + "BlackBerry Bold 9000", + USB_SC_DEVICE, USB_PR_DEVICE, NULL, + US_FL_MAX_SECTORS_64 ), + /* Reported by Michael Stattmann <michael@stattmann.com> */ UNUSUAL_DEV( 0x0fce, 0xd008, 0x0000, 0x0000, "Sony Ericsson", diff --git a/drivers/vme/bridges/vme_ca91cx42.c b/drivers/vme/bridges/vme_ca91cx42.c index 64bfea314429..8ca1030675a6 100644 --- a/drivers/vme/bridges/vme_ca91cx42.c +++ b/drivers/vme/bridges/vme_ca91cx42.c @@ -880,7 +880,7 @@ static ssize_t ca91cx42_master_read(struct vme_master_resource *image, if (done == count) goto out; } - if ((uintptr_t)addr & 0x2) { + if ((uintptr_t)(addr + done) & 0x2) { if ((count - done) < 2) { *(u8 *)(buf + done) = ioread8(addr + done); done += 1; @@ -934,7 +934,7 @@ static ssize_t ca91cx42_master_write(struct vme_master_resource *image, if (done == count) goto out; } - if ((uintptr_t)addr & 0x2) { + if ((uintptr_t)(addr + done) & 0x2) { if ((count - done) < 2) { iowrite8(*(u8 *)(buf + done), addr + done); done += 1; diff --git a/drivers/vme/bridges/vme_tsi148.c b/drivers/vme/bridges/vme_tsi148.c index 9c1aa4dc39c9..63424060b04f 100644 --- a/drivers/vme/bridges/vme_tsi148.c +++ b/drivers/vme/bridges/vme_tsi148.c @@ -1283,7 +1283,7 @@ static ssize_t tsi148_master_read(struct vme_master_resource *image, void *buf, if (done == count) goto out; } - if ((uintptr_t)addr & 0x2) { + if ((uintptr_t)(addr + done) & 0x2) { if ((count - done) < 2) { *(u8 *)(buf + done) = ioread8(addr + done); done += 1; @@ -1365,7 +1365,7 @@ static ssize_t tsi148_master_write(struct vme_master_resource *image, void *buf, if (done == count) goto out; } - if ((uintptr_t)addr & 0x2) { + if ((uintptr_t)(addr + done) & 0x2) { if ((count - done) < 2) { iowrite8(*(u8 *)(buf + done), addr + done); done += 1; diff --git a/drivers/watchdog/sc1200wdt.c b/drivers/watchdog/sc1200wdt.c index 3fb83b0c28c2..ab6d3f56cbca 100644 --- a/drivers/watchdog/sc1200wdt.c +++ b/drivers/watchdog/sc1200wdt.c @@ -409,8 +409,9 @@ static int __init sc1200wdt_init(void) #if defined CONFIG_PNP /* now that the user has specified an IO port and we haven't detected * any devices, disable pnp support */ + if (isapnp) + pnp_unregister_driver(&scl200wdt_pnp_driver); isapnp = 0; - pnp_unregister_driver(&scl200wdt_pnp_driver); #endif if (!request_region(io, io_len, SC1200_MODULE_NAME)) { diff --git a/fs/attr.c b/fs/attr.c index 1449adb14ef6..8dd5825ec708 100644 --- a/fs/attr.c +++ b/fs/attr.c @@ -182,11 +182,6 @@ int notify_change(struct dentry * dentry, struct iattr * attr) return -EPERM; } - if ((ia_valid & ATTR_SIZE) && IS_I_VERSION(inode)) { - if (attr->ia_size != inode->i_size) - inode_inc_iversion(inode); - } - if ((ia_valid & ATTR_MODE)) { umode_t amode = attr->ia_mode; /* Flag setting protected by i_mutex */ diff --git a/fs/bio-integrity.c b/fs/bio-integrity.c index 45e944fe52a6..8dccf73025b3 100644 --- a/fs/bio-integrity.c +++ b/fs/bio-integrity.c @@ -114,6 +114,14 @@ void bio_integrity_free(struct bio *bio) } EXPORT_SYMBOL(bio_integrity_free); +static inline unsigned int bip_integrity_vecs(struct bio_integrity_payload *bip) +{ + if (bip->bip_slab == BIO_POOL_NONE) + return BIP_INLINE_VECS; + + return bvec_nr_vecs(bip->bip_slab); +} + /** * bio_integrity_add_page - Attach integrity metadata * @bio: bio to update @@ -129,7 +137,7 @@ int bio_integrity_add_page(struct bio *bio, struct page *page, struct bio_integrity_payload *bip = bio->bi_integrity; struct bio_vec *iv; - if (bip->bip_vcnt >= bvec_nr_vecs(bip->bip_slab)) { + if (bip->bip_vcnt >= bip_integrity_vecs(bip)) { printk(KERN_ERR "%s: bip_vec full\n", __func__); return 0; } diff --git a/fs/btrfs/acl.c b/fs/btrfs/acl.c index e15d2b0d8d3b..0890c83643e9 100644 --- a/fs/btrfs/acl.c +++ b/fs/btrfs/acl.c @@ -229,7 +229,7 @@ int btrfs_init_acl(struct btrfs_trans_handle *trans, if (ret > 0) { /* we need an acl */ ret = btrfs_set_acl(trans, inode, acl, ACL_TYPE_ACCESS); - } else { + } else if (ret < 0) { cache_no_acl(inode); } } else { diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index 3b6d20bc2388..bbafa05519da 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -7491,7 +7491,7 @@ out: */ if (root_dropped == false) btrfs_add_dead_root(root); - if (err) + if (err && err != -EAGAIN) btrfs_std_error(root->fs_info, err); return err; } diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 1e2288dc5346..8fcd2424e7f9 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -2419,10 +2419,23 @@ out_unlock: return ret; } +static void free_sa_defrag_extent(struct new_sa_defrag_extent *new) +{ + struct old_sa_defrag_extent *old, *tmp; + + if (!new) + return; + + list_for_each_entry_safe(old, tmp, &new->head, list) { + list_del(&old->list); + kfree(old); + } + kfree(new); +} + static void relink_file_extents(struct new_sa_defrag_extent *new) { struct btrfs_path *path; - struct old_sa_defrag_extent *old, *tmp; struct sa_defrag_extent_backref *backref; struct sa_defrag_extent_backref *prev = NULL; struct inode *inode; @@ -2465,16 +2478,11 @@ static void relink_file_extents(struct new_sa_defrag_extent *new) kfree(prev); btrfs_free_path(path); - - list_for_each_entry_safe(old, tmp, &new->head, list) { - list_del(&old->list); - kfree(old); - } out: + free_sa_defrag_extent(new); + atomic_dec(&root->fs_info->defrag_running); wake_up(&root->fs_info->transaction_wait); - - kfree(new); } static struct new_sa_defrag_extent * @@ -2484,7 +2492,7 @@ record_old_file_extents(struct inode *inode, struct btrfs_root *root = BTRFS_I(inode)->root; struct btrfs_path *path; struct btrfs_key key; - struct old_sa_defrag_extent *old, *tmp; + struct old_sa_defrag_extent *old; struct new_sa_defrag_extent *new; int ret; @@ -2532,7 +2540,7 @@ record_old_file_extents(struct inode *inode, if (slot >= btrfs_header_nritems(l)) { ret = btrfs_next_leaf(root, path); if (ret < 0) - goto out_free_list; + goto out_free_path; else if (ret > 0) break; continue; @@ -2561,7 +2569,7 @@ record_old_file_extents(struct inode *inode, old = kmalloc(sizeof(*old), GFP_NOFS); if (!old) - goto out_free_list; + goto out_free_path; offset = max(new->file_pos, key.offset); end = min(new->file_pos + new->len, key.offset + num_bytes); @@ -2583,15 +2591,10 @@ next: return new; -out_free_list: - list_for_each_entry_safe(old, tmp, &new->head, list) { - list_del(&old->list); - kfree(old); - } out_free_path: btrfs_free_path(path); out_kfree: - kfree(new); + free_sa_defrag_extent(new); return NULL; } @@ -2652,7 +2655,7 @@ static int btrfs_finish_ordered_io(struct btrfs_ordered_extent *ordered_extent) EXTENT_DEFRAG, 1, cached_state); if (ret) { u64 last_snapshot = btrfs_root_last_snapshot(&root->root_item); - if (last_snapshot >= BTRFS_I(inode)->generation) + if (0 && last_snapshot >= BTRFS_I(inode)->generation) /* the inode is shared */ new = record_old_file_extents(inode, ordered_extent); @@ -2743,8 +2746,14 @@ out: btrfs_remove_ordered_extent(inode, ordered_extent); /* for snapshot-aware defrag */ - if (new) - relink_file_extents(new); + if (new) { + if (ret) { + free_sa_defrag_extent(new); + atomic_dec(&root->fs_info->defrag_running); + } else { + relink_file_extents(new); + } + } /* once for us */ btrfs_put_ordered_extent(ordered_extent); @@ -4518,8 +4527,12 @@ static int btrfs_setsize(struct inode *inode, struct iattr *attr) * these flags set. For all other operations the VFS set these flags * explicitly if it wants a timestamp update. */ - if (newsize != oldsize && (!(mask & (ATTR_CTIME | ATTR_MTIME)))) - inode->i_ctime = inode->i_mtime = current_fs_time(inode->i_sb); + if (newsize != oldsize) { + inode_inc_iversion(inode); + if (!(mask & (ATTR_CTIME | ATTR_MTIME))) + inode->i_ctime = inode->i_mtime = + current_fs_time(inode->i_sb); + } if (newsize > oldsize) { truncate_pagecache(inode, oldsize, newsize); diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index 8dedf4019672..783906c687b5 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -1528,6 +1528,12 @@ static noinline int btrfs_ioctl_snap_create_transid(struct file *file, printk(KERN_INFO "btrfs: Snapshot src from " "another FS\n"); ret = -EINVAL; + } else if (!inode_owner_or_capable(src_inode)) { + /* + * Subvolume creation is not restricted, but snapshots + * are limited to own subvolumes only + */ + ret = -EPERM; } else { ret = btrfs_mksubvol(&file->f_path, name, namelen, BTRFS_I(src_inode)->root, @@ -2093,7 +2099,7 @@ static noinline int btrfs_ioctl_snap_destroy(struct file *file, err = mutex_lock_killable_nested(&dir->i_mutex, I_MUTEX_PARENT); if (err == -EINTR) - goto out; + goto out_drop_write; dentry = lookup_one_len(vol_args->name, parent, namelen); if (IS_ERR(dentry)) { err = PTR_ERR(dentry); @@ -2235,6 +2241,7 @@ out_dput: dput(dentry); out_unlock_dir: mutex_unlock(&dir->i_mutex); +out_drop_write: mnt_drop_write_file(file); out: kfree(vol_args); diff --git a/fs/btrfs/send.c b/fs/btrfs/send.c index 09ea0bdde65f..256a9a46d544 100644 --- a/fs/btrfs/send.c +++ b/fs/btrfs/send.c @@ -4623,8 +4623,8 @@ long btrfs_ioctl_send(struct file *mnt_file, void __user *arg_) } if (!access_ok(VERIFY_READ, arg->clone_sources, - sizeof(*arg->clone_sources * - arg->clone_sources_count))) { + sizeof(*arg->clone_sources) * + arg->clone_sources_count)) { ret = -EFAULT; goto out; } diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c index cf68596b51fb..bca436330681 100644 --- a/fs/btrfs/tree-log.c +++ b/fs/btrfs/tree-log.c @@ -3314,7 +3314,7 @@ static int log_one_extent(struct btrfs_trans_handle *trans, btrfs_set_token_file_extent_type(leaf, fi, BTRFS_FILE_EXTENT_REG, &token); - if (em->block_start == 0) + if (em->block_start == EXTENT_MAP_HOLE) skip_csum = true; } diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index 8bffb9174afb..b6c23c4abae2 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -4248,6 +4248,7 @@ int btrfs_num_copies(struct btrfs_fs_info *fs_info, u64 logical, u64 len) btrfs_emerg(fs_info, "Invalid mapping for %Lu-%Lu, got " "%Lu-%Lu\n", logical, logical+len, em->start, em->start + em->len); + free_extent_map(em); return 1; } @@ -4429,6 +4430,7 @@ static int __btrfs_map_block(struct btrfs_fs_info *fs_info, int rw, btrfs_crit(fs_info, "found a bad mapping, wanted %Lu, " "found %Lu-%Lu\n", logical, em->start, em->start + em->len); + free_extent_map(em); return -EINVAL; } diff --git a/fs/buffer.c b/fs/buffer.c index d2a4d1bb2d57..75964d734444 100644 --- a/fs/buffer.c +++ b/fs/buffer.c @@ -620,14 +620,16 @@ EXPORT_SYMBOL(mark_buffer_dirty_inode); static void __set_page_dirty(struct page *page, struct address_space *mapping, int warn) { - spin_lock_irq(&mapping->tree_lock); + unsigned long flags; + + spin_lock_irqsave(&mapping->tree_lock, flags); if (page->mapping) { /* Race with truncate? */ WARN_ON_ONCE(warn && !PageUptodate(page)); account_page_dirtied(page, mapping); radix_tree_tag_set(&mapping->page_tree, page_index(page), PAGECACHE_TAG_DIRTY); } - spin_unlock_irq(&mapping->tree_lock); + spin_unlock_irqrestore(&mapping->tree_lock, flags); __mark_inode_dirty(mapping->host, I_DIRTY_PAGES); } diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c index 3e68ac101040..5da06f020986 100644 --- a/fs/ceph/addr.c +++ b/fs/ceph/addr.c @@ -213,9 +213,13 @@ static int readpage_nounlock(struct file *filp, struct page *page) if (err < 0) { SetPageError(page); goto out; - } else if (err < PAGE_CACHE_SIZE) { + } else { + if (err < PAGE_CACHE_SIZE) { /* zero fill remainder of page */ - zero_user_segment(page, err, PAGE_CACHE_SIZE); + zero_user_segment(page, err, PAGE_CACHE_SIZE); + } else { + flush_dcache_page(page); + } } SetPageUptodate(page); diff --git a/fs/ceph/file.c b/fs/ceph/file.c index 656e16907430..5de16f5ac7e9 100644 --- a/fs/ceph/file.c +++ b/fs/ceph/file.c @@ -313,9 +313,9 @@ static int striped_read(struct inode *inode, { struct ceph_fs_client *fsc = ceph_inode_to_client(inode); struct ceph_inode_info *ci = ceph_inode(inode); - u64 pos, this_len; + u64 pos, this_len, left; int io_align, page_align; - int left, pages_left; + int pages_left; int read; struct page **page_pos; int ret; @@ -346,47 +346,40 @@ more: ret = 0; hit_stripe = this_len < left; was_short = ret >= 0 && ret < this_len; - dout("striped_read %llu~%u (read %u) got %d%s%s\n", pos, left, read, + dout("striped_read %llu~%llu (read %u) got %d%s%s\n", pos, left, read, ret, hit_stripe ? " HITSTRIPE" : "", was_short ? " SHORT" : ""); - if (ret > 0) { - int didpages = (page_align + ret) >> PAGE_CACHE_SHIFT; - - if (read < pos - off) { - dout(" zero gap %llu to %llu\n", off + read, pos); - ceph_zero_page_vector_range(page_align + read, - pos - off - read, pages); + if (ret >= 0) { + int didpages; + if (was_short && (pos + ret < inode->i_size)) { + u64 tmp = min(this_len - ret, + inode->i_size - pos - ret); + dout(" zero gap %llu to %llu\n", + pos + ret, pos + ret + tmp); + ceph_zero_page_vector_range(page_align + read + ret, + tmp, pages); + ret += tmp; } + + didpages = (page_align + ret) >> PAGE_CACHE_SHIFT; pos += ret; read = pos - off; left -= ret; page_pos += didpages; pages_left -= didpages; - /* hit stripe? */ - if (left && hit_stripe) + /* hit stripe and need continue*/ + if (left && hit_stripe && pos < inode->i_size) goto more; } - if (was_short) { + if (read > 0) { + ret = read; /* did we bounce off eof? */ if (pos + left > inode->i_size) *checkeof = 1; - - /* zero trailing bytes (inside i_size) */ - if (left > 0 && pos < inode->i_size) { - if (pos + left > inode->i_size) - left = inode->i_size - pos; - - dout("zero tail %d\n", left); - ceph_zero_page_vector_range(page_align + read, left, - pages); - read += left; - } } - if (ret >= 0) - ret = read; dout("striped_read returns %d\n", ret); return ret; } @@ -618,6 +611,8 @@ out: if (check_caps) ceph_check_caps(ceph_inode(inode), CHECK_CAPS_AUTHONLY, NULL); + } else if (ret != -EOLDSNAPC && written > 0) { + ret = written; } return ret; } diff --git a/fs/ceph/ioctl.c b/fs/ceph/ioctl.c index a5ce62eb7806..669622fd1ae3 100644 --- a/fs/ceph/ioctl.c +++ b/fs/ceph/ioctl.c @@ -211,8 +211,12 @@ static long ceph_ioctl_get_dataloc(struct file *file, void __user *arg) snprintf(dl.object_name, sizeof(dl.object_name), "%llx.%08llx", ceph_ino(inode), dl.object_no); - ceph_calc_ceph_pg(&pgid, dl.object_name, osdc->osdmap, - ceph_file_layout_pg_pool(ci->i_layout)); + r = ceph_calc_ceph_pg(&pgid, dl.object_name, osdc->osdmap, + ceph_file_layout_pg_pool(ci->i_layout)); + if (r < 0) { + up_read(&osdc->map_sem); + return r; + } dl.osd = ceph_calc_pg_primary(osdc->osdmap, pgid); if (dl.osd >= 0) { diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c index 4d2920304be8..d6a536886472 100644 --- a/fs/ceph/mds_client.c +++ b/fs/ceph/mds_client.c @@ -414,6 +414,9 @@ static struct ceph_mds_session *register_session(struct ceph_mds_client *mdsc, { struct ceph_mds_session *s; + if (mds >= mdsc->mdsmap->m_max_mds) + return ERR_PTR(-EINVAL); + s = kzalloc(sizeof(*s), GFP_NOFS); if (!s) return ERR_PTR(-ENOMEM); @@ -639,6 +642,8 @@ static void __unregister_request(struct ceph_mds_client *mdsc, req->r_unsafe_dir = NULL; } + complete_all(&req->r_safe_completion); + ceph_mdsc_put_request(req); } @@ -1840,8 +1845,11 @@ static int __do_request(struct ceph_mds_client *mdsc, int mds = -1; int err = -EAGAIN; - if (req->r_err || req->r_got_result) + if (req->r_err || req->r_got_result) { + if (req->r_aborted) + __unregister_request(mdsc, req); goto out; + } if (req->r_timeout && time_after_eq(jiffies, req->r_started + req->r_timeout)) { @@ -2151,7 +2159,6 @@ static void handle_reply(struct ceph_mds_session *session, struct ceph_msg *msg) if (head->safe) { req->r_got_safe = true; __unregister_request(mdsc, req); - complete_all(&req->r_safe_completion); if (req->r_got_unsafe) { /* @@ -3040,8 +3047,10 @@ int ceph_mdsc_init(struct ceph_fs_client *fsc) fsc->mdsc = mdsc; mutex_init(&mdsc->mutex); mdsc->mdsmap = kzalloc(sizeof(*mdsc->mdsmap), GFP_NOFS); - if (mdsc->mdsmap == NULL) + if (mdsc->mdsmap == NULL) { + kfree(mdsc); return -ENOMEM; + } init_completion(&mdsc->safe_umount_waiters); init_waitqueue_head(&mdsc->session_close_wq); diff --git a/fs/ceph/mdsmap.c b/fs/ceph/mdsmap.c index 9278dec9e940..d4d38977dcbb 100644 --- a/fs/ceph/mdsmap.c +++ b/fs/ceph/mdsmap.c @@ -138,6 +138,8 @@ struct ceph_mdsmap *ceph_mdsmap_decode(void **p, void *end) m->m_info[mds].export_targets = kcalloc(num_export_targets, sizeof(u32), GFP_NOFS); + if (m->m_info[mds].export_targets == NULL) + goto badmem; for (j = 0; j < num_export_targets; j++) m->m_info[mds].export_targets[j] = ceph_decode_32(&pexport_targets); @@ -170,7 +172,7 @@ bad: DUMP_PREFIX_OFFSET, 16, 1, start, end - start, true); ceph_mdsmap_destroy(m); - return ERR_PTR(-EINVAL); + return ERR_PTR(err); } void ceph_mdsmap_destroy(struct ceph_mdsmap *m) diff --git a/fs/ceph/super.c b/fs/ceph/super.c index 7d377c9a5e35..6627b26a800c 100644 --- a/fs/ceph/super.c +++ b/fs/ceph/super.c @@ -357,7 +357,7 @@ static int parse_mount_options(struct ceph_mount_options **pfsopt, } err = -EINVAL; dev_name_end--; /* back up to ':' separator */ - if (*dev_name_end != ':') { + if (dev_name_end < dev_name || *dev_name_end != ':') { pr_err("device name is missing path (no : separator in %s)\n", dev_name); goto out; diff --git a/fs/cifs/cifsacl.c b/fs/cifs/cifsacl.c index 51f5e0ee7237..494b68349667 100644 --- a/fs/cifs/cifsacl.c +++ b/fs/cifs/cifsacl.c @@ -1027,15 +1027,30 @@ id_mode_to_cifs_acl(struct inode *inode, const char *path, __u64 nmode, __u32 secdesclen = 0; struct cifs_ntsd *pntsd = NULL; /* acl obtained from server */ struct cifs_ntsd *pnntsd = NULL; /* modified acl to be sent to server */ + struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb); + struct tcon_link *tlink = cifs_sb_tlink(cifs_sb); + struct cifs_tcon *tcon; + + if (IS_ERR(tlink)) + return PTR_ERR(tlink); + tcon = tlink_tcon(tlink); cifs_dbg(NOISY, "set ACL from mode for %s\n", path); /* Get the security descriptor */ - pntsd = get_cifs_acl(CIFS_SB(inode->i_sb), inode, path, &secdesclen); + + if (tcon->ses->server->ops->get_acl == NULL) { + cifs_put_tlink(tlink); + return -EOPNOTSUPP; + } + + pntsd = tcon->ses->server->ops->get_acl(cifs_sb, inode, path, + &secdesclen); if (IS_ERR(pntsd)) { rc = PTR_ERR(pntsd); cifs_dbg(VFS, "%s: error %d getting sec desc\n", __func__, rc); - goto out; + cifs_put_tlink(tlink); + return rc; } /* @@ -1048,6 +1063,7 @@ id_mode_to_cifs_acl(struct inode *inode, const char *path, __u64 nmode, pnntsd = kmalloc(secdesclen, GFP_KERNEL); if (!pnntsd) { kfree(pntsd); + cifs_put_tlink(tlink); return -ENOMEM; } @@ -1056,14 +1072,18 @@ id_mode_to_cifs_acl(struct inode *inode, const char *path, __u64 nmode, cifs_dbg(NOISY, "build_sec_desc rc: %d\n", rc); + if (tcon->ses->server->ops->set_acl == NULL) + rc = -EOPNOTSUPP; + if (!rc) { /* Set the security descriptor */ - rc = set_cifs_acl(pnntsd, secdesclen, inode, path, aclflag); + rc = tcon->ses->server->ops->set_acl(pnntsd, secdesclen, inode, + path, aclflag); cifs_dbg(NOISY, "set_cifs_acl rc: %d\n", rc); } + cifs_put_tlink(tlink); kfree(pnntsd); kfree(pntsd); -out: return rc; } diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h index ea3a0b3018a5..e2c2d96491fa 100644 --- a/fs/cifs/cifsglob.h +++ b/fs/cifs/cifsglob.h @@ -370,6 +370,16 @@ struct smb_version_operations { void (*new_lease_key)(struct cifs_fid *fid); int (*calc_signature)(struct smb_rqst *rqst, struct TCP_Server_Info *server); + ssize_t (*query_all_EAs)(const unsigned int, struct cifs_tcon *, + const unsigned char *, const unsigned char *, char *, + size_t, const struct nls_table *, int); + int (*set_EA)(const unsigned int, struct cifs_tcon *, const char *, + const char *, const void *, const __u16, + const struct nls_table *, int); + struct cifs_ntsd * (*get_acl)(struct cifs_sb_info *, struct inode *, + const char *, u32 *); + int (*set_acl)(struct cifs_ntsd *, __u32, struct inode *, const char *, + int); }; struct smb_version_values { diff --git a/fs/cifs/file.c b/fs/cifs/file.c index c2934f8701da..8b0c656f2ab2 100644 --- a/fs/cifs/file.c +++ b/fs/cifs/file.c @@ -2353,7 +2353,7 @@ cifs_iovec_write(struct file *file, const struct iovec *iov, unsigned long nr_segs, loff_t *poffset) { unsigned long nr_pages, i; - size_t copied, len, cur_len; + size_t bytes, copied, len, cur_len; ssize_t total_written = 0; loff_t offset; struct iov_iter it; @@ -2408,14 +2408,45 @@ cifs_iovec_write(struct file *file, const struct iovec *iov, save_len = cur_len; for (i = 0; i < nr_pages; i++) { - copied = min_t(const size_t, cur_len, PAGE_SIZE); + bytes = min_t(const size_t, cur_len, PAGE_SIZE); copied = iov_iter_copy_from_user(wdata->pages[i], &it, - 0, copied); + 0, bytes); cur_len -= copied; iov_iter_advance(&it, copied); + /* + * If we didn't copy as much as we expected, then that + * may mean we trod into an unmapped area. Stop copying + * at that point. On the next pass through the big + * loop, we'll likely end up getting a zero-length + * write and bailing out of it. + */ + if (copied < bytes) + break; } cur_len = save_len - cur_len; + /* + * If we have no data to send, then that probably means that + * the copy above failed altogether. That's most likely because + * the address in the iovec was bogus. Set the rc to -EFAULT, + * free anything we allocated and bail out. + */ + if (!cur_len) { + for (i = 0; i < nr_pages; i++) + put_page(wdata->pages[i]); + kfree(wdata); + rc = -EFAULT; + break; + } + + /* + * i + 1 now represents the number of pages we actually used in + * the copy phase above. Bring nr_pages down to that, and free + * any pages that we didn't use. + */ + for ( ; nr_pages > i + 1; nr_pages--) + put_page(wdata->pages[nr_pages - 1]); + wdata->sync_mode = WB_SYNC_ALL; wdata->nr_pages = nr_pages; wdata->offset = (__u64)offset; diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c index 449b6cf09b09..9d463501348f 100644 --- a/fs/cifs/inode.c +++ b/fs/cifs/inode.c @@ -490,10 +490,15 @@ static int cifs_sfu_mode(struct cifs_fattr *fattr, const unsigned char *path, return PTR_ERR(tlink); tcon = tlink_tcon(tlink); - rc = CIFSSMBQAllEAs(xid, tcon, path, "SETFILEBITS", - ea_value, 4 /* size of buf */, cifs_sb->local_nls, - cifs_sb->mnt_cifs_flags & - CIFS_MOUNT_MAP_SPECIAL_CHR); + if (tcon->ses->server->ops->query_all_EAs == NULL) { + cifs_put_tlink(tlink); + return -EOPNOTSUPP; + } + + rc = tcon->ses->server->ops->query_all_EAs(xid, tcon, path, + "SETFILEBITS", ea_value, 4 /* size of buf */, + cifs_sb->local_nls, + cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR); cifs_put_tlink(tlink); if (rc < 0) return (int)rc; diff --git a/fs/cifs/smb1ops.c b/fs/cifs/smb1ops.c index 3efdb9d5c0b8..4885a40f3210 100644 --- a/fs/cifs/smb1ops.c +++ b/fs/cifs/smb1ops.c @@ -948,6 +948,14 @@ struct smb_version_operations smb1_operations = { .mand_lock = cifs_mand_lock, .mand_unlock_range = cifs_unlock_range, .push_mand_locks = cifs_push_mandatory_locks, +#ifdef CONFIG_CIFS_XATTR + .query_all_EAs = CIFSSMBQAllEAs, + .set_EA = CIFSSMBSetEA, +#endif /* CIFS_XATTR */ +#ifdef CONFIG_CIFS_ACL + .get_acl = get_cifs_acl, + .set_acl = set_cifs_acl, +#endif /* CIFS_ACL */ }; struct smb_version_values smb1_values = { diff --git a/fs/cifs/smb2glob.h b/fs/cifs/smb2glob.h index 7c0e2143e775..cc592ef6584a 100644 --- a/fs/cifs/smb2glob.h +++ b/fs/cifs/smb2glob.h @@ -55,4 +55,7 @@ #define SMB2_NTLMV2_SESSKEY_SIZE (16) #define SMB2_HMACSHA256_SIZE (32) +/* Maximum buffer size value we can send with 1 credit */ +#define SMB2_MAX_BUFFER_SIZE 65536 + #endif /* _SMB2_GLOB_H */ diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c index f2e76f3b0c61..e2756bb40b4d 100644 --- a/fs/cifs/smb2ops.c +++ b/fs/cifs/smb2ops.c @@ -181,11 +181,8 @@ smb2_negotiate_wsize(struct cifs_tcon *tcon, struct smb_vol *volume_info) /* start with specified wsize, or default */ wsize = volume_info->wsize ? volume_info->wsize : CIFS_DEFAULT_IOSIZE; wsize = min_t(unsigned int, wsize, server->max_write); - /* - * limit write size to 2 ** 16, because we don't support multicredit - * requests now. - */ - wsize = min_t(unsigned int, wsize, 2 << 15); + /* set it to the maximum buffer size value we can send with 1 credit */ + wsize = min_t(unsigned int, wsize, SMB2_MAX_BUFFER_SIZE); return wsize; } @@ -199,11 +196,8 @@ smb2_negotiate_rsize(struct cifs_tcon *tcon, struct smb_vol *volume_info) /* start with specified rsize, or default */ rsize = volume_info->rsize ? volume_info->rsize : CIFS_DEFAULT_IOSIZE; rsize = min_t(unsigned int, rsize, server->max_read); - /* - * limit write size to 2 ** 16, because we don't support multicredit - * requests now. - */ - rsize = min_t(unsigned int, rsize, 2 << 15); + /* set it to the maximum buffer size value we can send with 1 credit */ + rsize = min_t(unsigned int, rsize, SMB2_MAX_BUFFER_SIZE); return rsize; } diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c index 2b95ce2b54e8..c7a6fd87bb6e 100644 --- a/fs/cifs/smb2pdu.c +++ b/fs/cifs/smb2pdu.c @@ -408,6 +408,9 @@ SMB2_negotiate(const unsigned int xid, struct cifs_ses *ses) server->dialect = le16_to_cpu(rsp->DialectRevision); server->maxBuf = le32_to_cpu(rsp->MaxTransactSize); + /* set it to the maximum buffer size value we can send with 1 credit */ + server->maxBuf = min_t(unsigned int, le32_to_cpu(rsp->MaxTransactSize), + SMB2_MAX_BUFFER_SIZE); server->max_read = le32_to_cpu(rsp->MaxReadSize); server->max_write = le32_to_cpu(rsp->MaxWriteSize); /* BB Do we need to validate the SecurityMode? */ diff --git a/fs/cifs/xattr.c b/fs/cifs/xattr.c index 09afda4cc58e..5ac836a86b18 100644 --- a/fs/cifs/xattr.c +++ b/fs/cifs/xattr.c @@ -82,9 +82,11 @@ int cifs_removexattr(struct dentry *direntry, const char *ea_name) goto remove_ea_exit; ea_name += XATTR_USER_PREFIX_LEN; /* skip past user. prefix */ - rc = CIFSSMBSetEA(xid, pTcon, full_path, ea_name, NULL, - (__u16)0, cifs_sb->local_nls, - cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR); + if (pTcon->ses->server->ops->set_EA) + rc = pTcon->ses->server->ops->set_EA(xid, pTcon, + full_path, ea_name, NULL, (__u16)0, + cifs_sb->local_nls, cifs_sb->mnt_cifs_flags & + CIFS_MOUNT_MAP_SPECIAL_CHR); } remove_ea_exit: kfree(full_path); @@ -149,18 +151,22 @@ int cifs_setxattr(struct dentry *direntry, const char *ea_name, cifs_dbg(FYI, "attempt to set cifs inode metadata\n"); ea_name += XATTR_USER_PREFIX_LEN; /* skip past user. prefix */ - rc = CIFSSMBSetEA(xid, pTcon, full_path, ea_name, ea_value, - (__u16)value_size, cifs_sb->local_nls, - cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR); + if (pTcon->ses->server->ops->set_EA) + rc = pTcon->ses->server->ops->set_EA(xid, pTcon, + full_path, ea_name, ea_value, (__u16)value_size, + cifs_sb->local_nls, cifs_sb->mnt_cifs_flags & + CIFS_MOUNT_MAP_SPECIAL_CHR); } else if (strncmp(ea_name, XATTR_OS2_PREFIX, XATTR_OS2_PREFIX_LEN) == 0) { if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NO_XATTR) goto set_ea_exit; ea_name += XATTR_OS2_PREFIX_LEN; /* skip past os2. prefix */ - rc = CIFSSMBSetEA(xid, pTcon, full_path, ea_name, ea_value, - (__u16)value_size, cifs_sb->local_nls, - cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR); + if (pTcon->ses->server->ops->set_EA) + rc = pTcon->ses->server->ops->set_EA(xid, pTcon, + full_path, ea_name, ea_value, (__u16)value_size, + cifs_sb->local_nls, cifs_sb->mnt_cifs_flags & + CIFS_MOUNT_MAP_SPECIAL_CHR); } else if (strncmp(ea_name, CIFS_XATTR_CIFS_ACL, strlen(CIFS_XATTR_CIFS_ACL)) == 0) { #ifdef CONFIG_CIFS_ACL @@ -170,8 +176,12 @@ int cifs_setxattr(struct dentry *direntry, const char *ea_name, rc = -ENOMEM; } else { memcpy(pacl, ea_value, value_size); - rc = set_cifs_acl(pacl, value_size, - direntry->d_inode, full_path, CIFS_ACL_DACL); + if (pTcon->ses->server->ops->set_acl) + rc = pTcon->ses->server->ops->set_acl(pacl, + value_size, direntry->d_inode, + full_path, CIFS_ACL_DACL); + else + rc = -EOPNOTSUPP; if (rc == 0) /* force revalidate of the inode */ CIFS_I(direntry->d_inode)->time = 0; kfree(pacl); @@ -272,17 +282,21 @@ ssize_t cifs_getxattr(struct dentry *direntry, const char *ea_name, /* revalidate/getattr then populate from inode */ } /* BB add else when above is implemented */ ea_name += XATTR_USER_PREFIX_LEN; /* skip past user. prefix */ - rc = CIFSSMBQAllEAs(xid, pTcon, full_path, ea_name, ea_value, - buf_size, cifs_sb->local_nls, - cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR); + if (pTcon->ses->server->ops->query_all_EAs) + rc = pTcon->ses->server->ops->query_all_EAs(xid, pTcon, + full_path, ea_name, ea_value, buf_size, + cifs_sb->local_nls, cifs_sb->mnt_cifs_flags & + CIFS_MOUNT_MAP_SPECIAL_CHR); } else if (strncmp(ea_name, XATTR_OS2_PREFIX, XATTR_OS2_PREFIX_LEN) == 0) { if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NO_XATTR) goto get_ea_exit; ea_name += XATTR_OS2_PREFIX_LEN; /* skip past os2. prefix */ - rc = CIFSSMBQAllEAs(xid, pTcon, full_path, ea_name, ea_value, - buf_size, cifs_sb->local_nls, - cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR); + if (pTcon->ses->server->ops->query_all_EAs) + rc = pTcon->ses->server->ops->query_all_EAs(xid, pTcon, + full_path, ea_name, ea_value, buf_size, + cifs_sb->local_nls, cifs_sb->mnt_cifs_flags & + CIFS_MOUNT_MAP_SPECIAL_CHR); } else if (strncmp(ea_name, POSIX_ACL_XATTR_ACCESS, strlen(POSIX_ACL_XATTR_ACCESS)) == 0) { #ifdef CONFIG_CIFS_POSIX @@ -313,8 +327,11 @@ ssize_t cifs_getxattr(struct dentry *direntry, const char *ea_name, u32 acllen; struct cifs_ntsd *pacl; - pacl = get_cifs_acl(cifs_sb, direntry->d_inode, - full_path, &acllen); + if (pTcon->ses->server->ops->get_acl == NULL) + goto get_ea_exit; /* rc already EOPNOTSUPP */ + + pacl = pTcon->ses->server->ops->get_acl(cifs_sb, + direntry->d_inode, full_path, &acllen); if (IS_ERR(pacl)) { rc = PTR_ERR(pacl); cifs_dbg(VFS, "%s: error %zd getting sec desc\n", @@ -400,11 +417,12 @@ ssize_t cifs_listxattr(struct dentry *direntry, char *data, size_t buf_size) /* if proc/fs/cifs/streamstoxattr is set then search server for EAs or streams to returns as xattrs */ - rc = CIFSSMBQAllEAs(xid, pTcon, full_path, NULL, data, - buf_size, cifs_sb->local_nls, - cifs_sb->mnt_cifs_flags & - CIFS_MOUNT_MAP_SPECIAL_CHR); + if (pTcon->ses->server->ops->query_all_EAs) + rc = pTcon->ses->server->ops->query_all_EAs(xid, pTcon, + full_path, NULL, data, buf_size, + cifs_sb->local_nls, cifs_sb->mnt_cifs_flags & + CIFS_MOUNT_MAP_SPECIAL_CHR); list_ea_exit: kfree(full_path); free_xid(xid); diff --git a/fs/dcache.c b/fs/dcache.c index da89cdfb21ab..9a59653d3449 100644 --- a/fs/dcache.c +++ b/fs/dcache.c @@ -2686,8 +2686,13 @@ char *d_path(const struct path *path, char *buf, int buflen) * thus don't need to be hashed. They also don't need a name until a * user wants to identify the object in /proc/pid/fd/. The little hack * below allows us to generate a name for these objects on demand: + * + * Some pseudo inodes are mountable. When they are mounted + * path->dentry == path->mnt->mnt_root. In that case don't call d_dname + * and instead have d_path return the mounted path. */ - if (path->dentry->d_op && path->dentry->d_op->d_dname) + if (path->dentry->d_op && path->dentry->d_op->d_dname && + (!IS_ROOT(path->dentry) || path->dentry != path->mnt->mnt_root)) return path->dentry->d_op->d_dname(path->dentry, buf, buflen); get_fs_root(current->fs, &root); diff --git a/fs/dcookies.c b/fs/dcookies.c index ab5954b50267..ac44a69fbea9 100644 --- a/fs/dcookies.c +++ b/fs/dcookies.c @@ -204,7 +204,7 @@ out: } #ifdef CONFIG_COMPAT -COMPAT_SYSCALL_DEFINE4(lookup_dcookie, u32, w0, u32, w1, char __user *, buf, size_t, len) +COMPAT_SYSCALL_DEFINE4(lookup_dcookie, u32, w0, u32, w1, char __user *, buf, compat_size_t, len) { #ifdef __BIG_ENDIAN return sys_lookup_dcookie(((u64)w0 << 32) | w1, buf, len); diff --git a/fs/exofs/ore.c b/fs/exofs/ore.c index b74422888604..85cde3e76290 100644 --- a/fs/exofs/ore.c +++ b/fs/exofs/ore.c @@ -103,7 +103,7 @@ int ore_verify_layout(unsigned total_comps, struct ore_layout *layout) layout->max_io_length = (BIO_MAX_PAGES_KMALLOC * PAGE_SIZE - layout->stripe_unit) * - layout->group_width; + (layout->group_width - layout->parity); if (layout->parity) { unsigned stripe_length = (layout->group_width - layout->parity) * @@ -286,7 +286,8 @@ int ore_get_rw_state(struct ore_layout *layout, struct ore_components *oc, if (length) { ore_calc_stripe_info(layout, offset, length, &ios->si); ios->length = ios->si.length; - ios->nr_pages = (ios->length + PAGE_SIZE - 1) / PAGE_SIZE; + ios->nr_pages = ((ios->offset & (PAGE_SIZE - 1)) + + ios->length + PAGE_SIZE - 1) / PAGE_SIZE; if (layout->parity) _ore_post_alloc_raid_stuff(ios); } @@ -536,6 +537,7 @@ void ore_calc_stripe_info(struct ore_layout *layout, u64 file_offset, u64 H = LmodS - G * T; u32 N = div_u64(H, U); + u32 Nlast; /* "H - (N * U)" is just "H % U" so it's bound to u32 */ u32 C = (u32)(H - (N * U)) / stripe_unit + G * group_width; @@ -568,6 +570,10 @@ void ore_calc_stripe_info(struct ore_layout *layout, u64 file_offset, si->length = T - H; if (si->length > length) si->length = length; + + Nlast = div_u64(H + si->length + U - 1, U); + si->maxdevUnits = Nlast - N; + si->M = M; } EXPORT_SYMBOL(ore_calc_stripe_info); @@ -583,13 +589,16 @@ int _ore_add_stripe_unit(struct ore_io_state *ios, unsigned *cur_pg, int ret; if (per_dev->bio == NULL) { - unsigned pages_in_stripe = ios->layout->group_width * - (ios->layout->stripe_unit / PAGE_SIZE); - unsigned nr_pages = ios->nr_pages * ios->layout->group_width / - (ios->layout->group_width - - ios->layout->parity); - unsigned bio_size = (nr_pages + pages_in_stripe) / - ios->layout->group_width; + unsigned bio_size; + + if (!ios->reading) { + bio_size = ios->si.maxdevUnits; + } else { + bio_size = (ios->si.maxdevUnits + 1) * + (ios->layout->group_width - ios->layout->parity) / + ios->layout->group_width; + } + bio_size *= (ios->layout->stripe_unit / PAGE_SIZE); per_dev->bio = bio_kmalloc(GFP_KERNEL, bio_size); if (unlikely(!per_dev->bio)) { @@ -609,8 +618,12 @@ int _ore_add_stripe_unit(struct ore_io_state *ios, unsigned *cur_pg, added_len = bio_add_pc_page(q, per_dev->bio, pages[pg], pglen, pgbase); if (unlikely(pglen != added_len)) { - ORE_DBGMSG("Failed bio_add_pc_page bi_vcnt=%u\n", - per_dev->bio->bi_vcnt); + /* If bi_vcnt == bi_max then this is a SW BUG */ + ORE_DBGMSG("Failed bio_add_pc_page bi_vcnt=0x%x " + "bi_max=0x%x BIO_MAX=0x%x cur_len=0x%x\n", + per_dev->bio->bi_vcnt, + per_dev->bio->bi_max_vecs, + BIO_MAX_PAGES_KMALLOC, cur_len); ret = -ENOMEM; goto out; } @@ -1098,7 +1111,7 @@ int ore_truncate(struct ore_layout *layout, struct ore_components *oc, size_attr->attr = g_attr_logical_length; size_attr->attr.val_ptr = &size_attr->newsize; - ORE_DBGMSG("trunc(0x%llx) obj_offset=0x%llx dev=%d\n", + ORE_DBGMSG2("trunc(0x%llx) obj_offset=0x%llx dev=%d\n", _LLU(oc->comps->obj.id), _LLU(obj_size), i); ret = _truncate_mirrors(ios, i * ios->layout->mirrors_p1, &size_attr->attr); diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h index 5aae3d12d400..790b14c5f262 100644 --- a/fs/ext4/ext4.h +++ b/fs/ext4/ext4.h @@ -280,6 +280,16 @@ struct ext4_io_submit { /* Translate # of blks to # of clusters */ #define EXT4_NUM_B2C(sbi, blks) (((blks) + (sbi)->s_cluster_ratio - 1) >> \ (sbi)->s_cluster_bits) +/* Mask out the low bits to get the starting block of the cluster */ +#define EXT4_PBLK_CMASK(s, pblk) ((pblk) & \ + ~((ext4_fsblk_t) (s)->s_cluster_ratio - 1)) +#define EXT4_LBLK_CMASK(s, lblk) ((lblk) & \ + ~((ext4_lblk_t) (s)->s_cluster_ratio - 1)) +/* Get the cluster offset */ +#define EXT4_PBLK_COFF(s, pblk) ((pblk) & \ + ((ext4_fsblk_t) (s)->s_cluster_ratio - 1)) +#define EXT4_LBLK_COFF(s, lblk) ((lblk) & \ + ((ext4_lblk_t) (s)->s_cluster_ratio - 1)) /* * Structure of a blocks group descriptor @@ -764,6 +774,8 @@ do { \ if (EXT4_FITS_IN_INODE(raw_inode, einode, xtime)) \ (einode)->xtime.tv_sec = \ (signed)le32_to_cpu((raw_inode)->xtime); \ + else \ + (einode)->xtime.tv_sec = 0; \ if (EXT4_FITS_IN_INODE(raw_inode, einode, xtime ## _extra)) \ ext4_decode_extra_time(&(einode)->xtime, \ raw_inode->xtime ## _extra); \ diff --git a/fs/ext4/ext4_jbd2.c b/fs/ext4/ext4_jbd2.c index 1c88061da526..1be3996b5942 100644 --- a/fs/ext4/ext4_jbd2.c +++ b/fs/ext4/ext4_jbd2.c @@ -223,6 +223,15 @@ int __ext4_handle_dirty_metadata(const char *where, unsigned int line, if (WARN_ON_ONCE(err)) { ext4_journal_abort_handle(where, line, __func__, bh, handle, err); + ext4_error_inode(inode, where, line, + bh->b_blocknr, + "journal_dirty_metadata failed: " + "handle type %u started at line %u, " + "credits %u/%u, errcode %d", + handle->h_type, + handle->h_line_no, + handle->h_requested_credits, + handle->h_buffer_credits, err); } } else { if (inode) diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c index dc1e03047226..a2b625e279db 100644 --- a/fs/ext4/extents.c +++ b/fs/ext4/extents.c @@ -360,8 +360,10 @@ static int ext4_valid_extent(struct inode *inode, struct ext4_extent *ext) { ext4_fsblk_t block = ext4_ext_pblock(ext); int len = ext4_ext_get_actual_len(ext); + ext4_lblk_t lblock = le32_to_cpu(ext->ee_block); + ext4_lblk_t last = lblock + len - 1; - if (len == 0) + if (lblock > last) return 0; return ext4_data_block_valid(EXT4_SB(inode->i_sb), block, len); } @@ -387,11 +389,26 @@ static int ext4_valid_extent_entries(struct inode *inode, if (depth == 0) { /* leaf entries */ struct ext4_extent *ext = EXT_FIRST_EXTENT(eh); + struct ext4_super_block *es = EXT4_SB(inode->i_sb)->s_es; + ext4_fsblk_t pblock = 0; + ext4_lblk_t lblock = 0; + ext4_lblk_t prev = 0; + int len = 0; while (entries) { if (!ext4_valid_extent(inode, ext)) return 0; + + /* Check for overlapping extents */ + lblock = le32_to_cpu(ext->ee_block); + len = ext4_ext_get_actual_len(ext); + if ((lblock <= prev) && prev) { + pblock = ext4_ext_pblock(ext); + es->s_last_error_block = cpu_to_le64(pblock); + return 0; + } ext++; entries--; + prev = lblock + len - 1; } } else { struct ext4_extent_idx *ext_idx = EXT_FIRST_INDEX(eh); @@ -1755,8 +1772,7 @@ static unsigned int ext4_ext_check_overlap(struct ext4_sb_info *sbi, depth = ext_depth(inode); if (!path[depth].p_ext) goto out; - b2 = le32_to_cpu(path[depth].p_ext->ee_block); - b2 &= ~(sbi->s_cluster_ratio - 1); + b2 = EXT4_LBLK_CMASK(sbi, le32_to_cpu(path[depth].p_ext->ee_block)); /* * get the next allocated block if the extent in the path @@ -1766,7 +1782,7 @@ static unsigned int ext4_ext_check_overlap(struct ext4_sb_info *sbi, b2 = ext4_ext_next_allocated_block(path); if (b2 == EXT_MAX_BLOCKS) goto out; - b2 &= ~(sbi->s_cluster_ratio - 1); + b2 = EXT4_LBLK_CMASK(sbi, b2); } /* check for wrap through zero on extent logical start block*/ @@ -2427,7 +2443,7 @@ static int ext4_remove_blocks(handle_t *handle, struct inode *inode, * truncate operation has removed all of the blocks in * the cluster. */ - if (pblk & (sbi->s_cluster_ratio - 1) && + if (EXT4_PBLK_COFF(sbi, pblk) && (ee_len == num)) *partial_cluster = EXT4_B2C(sbi, pblk); else @@ -3658,7 +3674,7 @@ int ext4_find_delalloc_cluster(struct inode *inode, ext4_lblk_t lblk) { struct ext4_sb_info *sbi = EXT4_SB(inode->i_sb); ext4_lblk_t lblk_start, lblk_end; - lblk_start = lblk & (~(sbi->s_cluster_ratio - 1)); + lblk_start = EXT4_LBLK_CMASK(sbi, lblk); lblk_end = lblk_start + sbi->s_cluster_ratio - 1; return ext4_find_delalloc_range(inode, lblk_start, lblk_end); @@ -3717,9 +3733,9 @@ get_reserved_cluster_alloc(struct inode *inode, ext4_lblk_t lblk_start, trace_ext4_get_reserved_cluster_alloc(inode, lblk_start, num_blks); /* Check towards left side */ - c_offset = lblk_start & (sbi->s_cluster_ratio - 1); + c_offset = EXT4_LBLK_COFF(sbi, lblk_start); if (c_offset) { - lblk_from = lblk_start & (~(sbi->s_cluster_ratio - 1)); + lblk_from = EXT4_LBLK_CMASK(sbi, lblk_start); lblk_to = lblk_from + c_offset - 1; if (ext4_find_delalloc_range(inode, lblk_from, lblk_to)) @@ -3727,7 +3743,7 @@ get_reserved_cluster_alloc(struct inode *inode, ext4_lblk_t lblk_start, } /* Now check towards right. */ - c_offset = (lblk_start + num_blks) & (sbi->s_cluster_ratio - 1); + c_offset = EXT4_LBLK_COFF(sbi, lblk_start + num_blks); if (allocated_clusters && c_offset) { lblk_from = lblk_start + num_blks; lblk_to = lblk_from + (sbi->s_cluster_ratio - c_offset) - 1; @@ -3935,7 +3951,7 @@ static int get_implied_cluster_alloc(struct super_block *sb, struct ext4_ext_path *path) { struct ext4_sb_info *sbi = EXT4_SB(sb); - ext4_lblk_t c_offset = map->m_lblk & (sbi->s_cluster_ratio-1); + ext4_lblk_t c_offset = EXT4_LBLK_COFF(sbi, map->m_lblk); ext4_lblk_t ex_cluster_start, ex_cluster_end; ext4_lblk_t rr_cluster_start; ext4_lblk_t ee_block = le32_to_cpu(ex->ee_block); @@ -3953,8 +3969,7 @@ static int get_implied_cluster_alloc(struct super_block *sb, (rr_cluster_start == ex_cluster_start)) { if (rr_cluster_start == ex_cluster_end) ee_start += ee_len - 1; - map->m_pblk = (ee_start & ~(sbi->s_cluster_ratio - 1)) + - c_offset; + map->m_pblk = EXT4_PBLK_CMASK(sbi, ee_start) + c_offset; map->m_len = min(map->m_len, (unsigned) sbi->s_cluster_ratio - c_offset); /* @@ -4108,7 +4123,7 @@ int ext4_ext_map_blocks(handle_t *handle, struct inode *inode, */ map->m_flags &= ~EXT4_MAP_FROM_CLUSTER; newex.ee_block = cpu_to_le32(map->m_lblk); - cluster_offset = map->m_lblk & (sbi->s_cluster_ratio-1); + cluster_offset = EXT4_LBLK_COFF(sbi, map->m_lblk); /* * If we are doing bigalloc, check to see if the extent returned @@ -4176,7 +4191,7 @@ int ext4_ext_map_blocks(handle_t *handle, struct inode *inode, * needed so that future calls to get_implied_cluster_alloc() * work correctly. */ - offset = map->m_lblk & (sbi->s_cluster_ratio - 1); + offset = EXT4_LBLK_COFF(sbi, map->m_lblk); ar.len = EXT4_NUM_B2C(sbi, offset+allocated); ar.goal -= offset; ar.logical -= offset; diff --git a/fs/ext4/inline.c b/fs/ext4/inline.c index 33331b4c2178..e350be6c7ac6 100644 --- a/fs/ext4/inline.c +++ b/fs/ext4/inline.c @@ -1957,9 +1957,11 @@ void ext4_inline_data_truncate(struct inode *inode, int *has_inline) } /* Clear the content within i_blocks. */ - if (i_size < EXT4_MIN_INLINE_DATA_SIZE) - memset(ext4_raw_inode(&is.iloc)->i_block + i_size, 0, - EXT4_MIN_INLINE_DATA_SIZE - i_size); + if (i_size < EXT4_MIN_INLINE_DATA_SIZE) { + void *p = (void *) ext4_raw_inode(&is.iloc)->i_block; + memset(p + i_size, 0, + EXT4_MIN_INLINE_DATA_SIZE - i_size); + } EXT4_I(inode)->i_inline_size = i_size < EXT4_MIN_INLINE_DATA_SIZE ? diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index 904ca1a21dce..21dff8f236f6 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -1263,7 +1263,6 @@ static int ext4_journalled_write_end(struct file *file, */ static int ext4_da_reserve_metadata(struct inode *inode, ext4_lblk_t lblock) { - int retries = 0; struct ext4_sb_info *sbi = EXT4_SB(inode->i_sb); struct ext4_inode_info *ei = EXT4_I(inode); unsigned int md_needed; @@ -1275,7 +1274,6 @@ static int ext4_da_reserve_metadata(struct inode *inode, ext4_lblk_t lblock) * in order to allocate nrblocks * worse case is one extent per block */ -repeat: spin_lock(&ei->i_block_reservation_lock); /* * ext4_calc_metadata_amount() has side effects, which we have @@ -1295,10 +1293,6 @@ repeat: ei->i_da_metadata_calc_len = save_len; ei->i_da_metadata_calc_last_lblock = save_last_lblock; spin_unlock(&ei->i_block_reservation_lock); - if (ext4_should_retry_alloc(inode->i_sb, &retries)) { - cond_resched(); - goto repeat; - } return -ENOSPC; } ei->i_reserved_meta_blocks += md_needed; @@ -1312,7 +1306,6 @@ repeat: */ static int ext4_da_reserve_space(struct inode *inode, ext4_lblk_t lblock) { - int retries = 0; struct ext4_sb_info *sbi = EXT4_SB(inode->i_sb); struct ext4_inode_info *ei = EXT4_I(inode); unsigned int md_needed; @@ -1334,7 +1327,6 @@ static int ext4_da_reserve_space(struct inode *inode, ext4_lblk_t lblock) * in order to allocate nrblocks * worse case is one extent per block */ -repeat: spin_lock(&ei->i_block_reservation_lock); /* * ext4_calc_metadata_amount() has side effects, which we have @@ -1354,10 +1346,6 @@ repeat: ei->i_da_metadata_calc_len = save_len; ei->i_da_metadata_calc_last_lblock = save_last_lblock; spin_unlock(&ei->i_block_reservation_lock); - if (ext4_should_retry_alloc(inode->i_sb, &retries)) { - cond_resched(); - goto repeat; - } dquot_release_reservation_block(inode, EXT4_C2B(sbi, 1)); return -ENOSPC; } @@ -4716,6 +4704,10 @@ int ext4_setattr(struct dentry *dentry, struct iattr *attr) if (attr->ia_size > sbi->s_bitmap_maxbytes) return -EFBIG; } + + if (IS_I_VERSION(inode) && attr->ia_size != inode->i_size) + inode_inc_iversion(inode); + if (S_ISREG(inode->i_mode) && (attr->ia_size < inode->i_size)) { if (ext4_should_order_data(inode)) { diff --git a/fs/ext4/ioctl.c b/fs/ext4/ioctl.c index c0427e2f6648..42624a995b00 100644 --- a/fs/ext4/ioctl.c +++ b/fs/ext4/ioctl.c @@ -145,7 +145,7 @@ static long swap_inode_boot_loader(struct super_block *sb, handle = ext4_journal_start(inode_bl, EXT4_HT_MOVE_EXTENTS, 2); if (IS_ERR(handle)) { err = -EINVAL; - goto swap_boot_out; + goto journal_err_out; } /* Protect extent tree against block allocations via delalloc */ @@ -203,6 +203,7 @@ static long swap_inode_boot_loader(struct super_block *sb, ext4_double_up_write_data_sem(inode, inode_bl); +journal_err_out: ext4_inode_resume_unlocked_dio(inode); ext4_inode_resume_unlocked_dio(inode_bl); diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c index 59c6750b894f..fba960ee26de 100644 --- a/fs/ext4/mballoc.c +++ b/fs/ext4/mballoc.c @@ -3423,6 +3423,9 @@ static void ext4_mb_pa_callback(struct rcu_head *head) { struct ext4_prealloc_space *pa; pa = container_of(head, struct ext4_prealloc_space, u.pa_rcu); + + BUG_ON(atomic_read(&pa->pa_count)); + BUG_ON(pa->pa_deleted == 0); kmem_cache_free(ext4_pspace_cachep, pa); } @@ -3436,11 +3439,13 @@ static void ext4_mb_put_pa(struct ext4_allocation_context *ac, ext4_group_t grp; ext4_fsblk_t grp_blk; - if (!atomic_dec_and_test(&pa->pa_count) || pa->pa_free != 0) - return; - /* in this short window concurrent discard can set pa_deleted */ spin_lock(&pa->pa_lock); + if (!atomic_dec_and_test(&pa->pa_count) || pa->pa_free != 0) { + spin_unlock(&pa->pa_lock); + return; + } + if (pa->pa_deleted == 1) { spin_unlock(&pa->pa_lock); return; @@ -4102,7 +4107,7 @@ ext4_mb_initialize_context(struct ext4_allocation_context *ac, ext4_get_group_no_and_offset(sb, goal, &group, &block); /* set up allocation goals */ - ac->ac_b_ex.fe_logical = ar->logical & ~(sbi->s_cluster_ratio - 1); + ac->ac_b_ex.fe_logical = EXT4_LBLK_CMASK(sbi, ar->logical); ac->ac_status = AC_STATUS_CONTINUE; ac->ac_sb = sb; ac->ac_inode = ar->inode; @@ -4639,7 +4644,7 @@ void ext4_free_blocks(handle_t *handle, struct inode *inode, * blocks at the beginning or the end unless we are explicitly * requested to avoid doing so. */ - overflow = block & (sbi->s_cluster_ratio - 1); + overflow = EXT4_PBLK_COFF(sbi, block); if (overflow) { if (flags & EXT4_FREE_BLOCKS_NOFREE_FIRST_CLUSTER) { overflow = sbi->s_cluster_ratio - overflow; @@ -4653,7 +4658,7 @@ void ext4_free_blocks(handle_t *handle, struct inode *inode, count += overflow; } } - overflow = count & (sbi->s_cluster_ratio - 1); + overflow = EXT4_LBLK_COFF(sbi, count); if (overflow) { if (flags & EXT4_FREE_BLOCKS_NOFREE_LAST_CLUSTER) { if (count > overflow) @@ -4766,8 +4771,8 @@ do_more: " group:%d block:%d count:%lu failed" " with %d", block_group, bit, count, err); - } - + } else + EXT4_MB_GRP_CLEAR_TRIMMED(e4b.bd_info); ext4_lock_group(sb, block_group); mb_clear_bits(bitmap_bh->b_data, bit, count_clusters); diff --git a/fs/ext4/resize.c b/fs/ext4/resize.c index 49d3c01eabf8..c503850a61a8 100644 --- a/fs/ext4/resize.c +++ b/fs/ext4/resize.c @@ -238,6 +238,7 @@ static int ext4_alloc_group_tables(struct super_block *sb, ext4_group_t group; ext4_group_t last_group; unsigned overhead; + __u16 uninit_mask = (flexbg_size > 1) ? ~EXT4_BG_BLOCK_UNINIT : ~0; BUG_ON(flex_gd->count == 0 || group_data == NULL); @@ -261,7 +262,7 @@ next_group: src_group++; for (; src_group <= last_group; src_group++) { overhead = ext4_group_overhead_blocks(sb, src_group); - if (overhead != 0) + if (overhead == 0) last_blk += group_data[src_group - group].blocks_count; else break; @@ -275,8 +276,7 @@ next_group: group = ext4_get_group_number(sb, start_blk - 1); group -= group_data[0].group; group_data[group].free_blocks_count--; - if (flexbg_size > 1) - flex_gd->bg_flags[group] &= ~EXT4_BG_BLOCK_UNINIT; + flex_gd->bg_flags[group] &= uninit_mask; } /* Allocate inode bitmaps */ @@ -287,22 +287,30 @@ next_group: group = ext4_get_group_number(sb, start_blk - 1); group -= group_data[0].group; group_data[group].free_blocks_count--; - if (flexbg_size > 1) - flex_gd->bg_flags[group] &= ~EXT4_BG_BLOCK_UNINIT; + flex_gd->bg_flags[group] &= uninit_mask; } /* Allocate inode tables */ for (; it_index < flex_gd->count; it_index++) { - if (start_blk + EXT4_SB(sb)->s_itb_per_group > last_blk) + unsigned int itb = EXT4_SB(sb)->s_itb_per_group; + ext4_fsblk_t next_group_start; + + if (start_blk + itb > last_blk) goto next_group; group_data[it_index].inode_table = start_blk; - group = ext4_get_group_number(sb, start_blk - 1); + group = ext4_get_group_number(sb, start_blk); + next_group_start = ext4_group_first_block_no(sb, group + 1); group -= group_data[0].group; - group_data[group].free_blocks_count -= - EXT4_SB(sb)->s_itb_per_group; - if (flexbg_size > 1) - flex_gd->bg_flags[group] &= ~EXT4_BG_BLOCK_UNINIT; + if (start_blk + itb > next_group_start) { + flex_gd->bg_flags[group + 1] &= uninit_mask; + overhead = start_blk + itb - next_group_start; + group_data[group + 1].free_blocks_count -= overhead; + itb -= overhead; + } + + group_data[group].free_blocks_count -= itb; + flex_gd->bg_flags[group] &= uninit_mask; start_blk += EXT4_SB(sb)->s_itb_per_group; } @@ -396,7 +404,7 @@ static int set_flexbg_block_bitmap(struct super_block *sb, handle_t *handle, start = ext4_group_first_block_no(sb, group); group -= flex_gd->groups[0].group; - count2 = sb->s_blocksize * 8 - (block - start); + count2 = EXT4_BLOCKS_PER_GROUP(sb) - (block - start); if (count2 > count) count2 = count; @@ -615,7 +623,7 @@ handle_ib: if (err) goto out; count = group_table_count[j]; - start = group_data[i].block_bitmap; + start = (&group_data[i].block_bitmap)[j]; block = start; } diff --git a/fs/ext4/super.c b/fs/ext4/super.c index b3907f1ee202..468e26500dfa 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -3213,11 +3213,19 @@ int ext4_calculate_overhead(struct super_block *sb) } -static ext4_fsblk_t ext4_calculate_resv_clusters(struct ext4_sb_info *sbi) +static ext4_fsblk_t ext4_calculate_resv_clusters(struct super_block *sb) { ext4_fsblk_t resv_clusters; /* + * There's no need to reserve anything when we aren't using extents. + * The space estimates are exact, there are no unwritten extents, + * hole punching doesn't need new metadata... This is needed especially + * to keep ext2/3 backward compatibility. + */ + if (!EXT4_HAS_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_EXTENTS)) + return 0; + /* * By default we reserve 2% or 4096 clusters, whichever is smaller. * This should cover the situations where we can not afford to run * out of space like for example punch hole, or converting @@ -3225,7 +3233,8 @@ static ext4_fsblk_t ext4_calculate_resv_clusters(struct ext4_sb_info *sbi) * allocation would require 1, or 2 blocks, higher numbers are * very rare. */ - resv_clusters = ext4_blocks_count(sbi->s_es) >> sbi->s_cluster_bits; + resv_clusters = ext4_blocks_count(EXT4_SB(sb)->s_es) >> + EXT4_SB(sb)->s_cluster_bits; do_div(resv_clusters, 50); resv_clusters = min_t(ext4_fsblk_t, resv_clusters, 4096); @@ -3583,16 +3592,22 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent) for (i = 0; i < 4; i++) sbi->s_hash_seed[i] = le32_to_cpu(es->s_hash_seed[i]); sbi->s_def_hash_version = es->s_def_hash_version; - i = le32_to_cpu(es->s_flags); - if (i & EXT2_FLAGS_UNSIGNED_HASH) - sbi->s_hash_unsigned = 3; - else if ((i & EXT2_FLAGS_SIGNED_HASH) == 0) { + if (EXT4_HAS_COMPAT_FEATURE(sb, EXT4_FEATURE_COMPAT_DIR_INDEX)) { + i = le32_to_cpu(es->s_flags); + if (i & EXT2_FLAGS_UNSIGNED_HASH) + sbi->s_hash_unsigned = 3; + else if ((i & EXT2_FLAGS_SIGNED_HASH) == 0) { #ifdef __CHAR_UNSIGNED__ - es->s_flags |= cpu_to_le32(EXT2_FLAGS_UNSIGNED_HASH); - sbi->s_hash_unsigned = 3; + if (!(sb->s_flags & MS_RDONLY)) + es->s_flags |= + cpu_to_le32(EXT2_FLAGS_UNSIGNED_HASH); + sbi->s_hash_unsigned = 3; #else - es->s_flags |= cpu_to_le32(EXT2_FLAGS_SIGNED_HASH); + if (!(sb->s_flags & MS_RDONLY)) + es->s_flags |= + cpu_to_le32(EXT2_FLAGS_SIGNED_HASH); #endif + } } /* Handle clustersize */ @@ -3969,10 +3984,10 @@ no_journal: "available"); } - err = ext4_reserve_clusters(sbi, ext4_calculate_resv_clusters(sbi)); + err = ext4_reserve_clusters(sbi, ext4_calculate_resv_clusters(sb)); if (err) { ext4_msg(sb, KERN_ERR, "failed to reserve %llu clusters for " - "reserved pool", ext4_calculate_resv_clusters(sbi)); + "reserved pool", ext4_calculate_resv_clusters(sb)); goto failed_mount4a; } diff --git a/fs/file.c b/fs/file.c index 4a78f981557a..9de20265a78c 100644 --- a/fs/file.c +++ b/fs/file.c @@ -34,7 +34,7 @@ static void *alloc_fdmem(size_t size) * vmalloc() if the allocation size will be considered "large" by the VM. */ if (size <= (PAGE_SIZE << PAGE_ALLOC_COSTLY_ORDER)) { - void *data = kmalloc(size, GFP_KERNEL|__GFP_NOWARN); + void *data = kmalloc(size, GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY); if (data != NULL) return data; } diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c index b6b092696a5d..a941933cb0e2 100644 --- a/fs/fs-writeback.c +++ b/fs/fs-writeback.c @@ -505,13 +505,16 @@ writeback_single_inode(struct inode *inode, struct bdi_writeback *wb, } WARN_ON(inode->i_state & I_SYNC); /* - * Skip inode if it is clean. We don't want to mess with writeback - * lists in this function since flusher thread may be doing for example - * sync in parallel and if we move the inode, it could get skipped. So - * here we make sure inode is on some writeback list and leave it there - * unless we have completely cleaned the inode. + * Skip inode if it is clean and we have no outstanding writeback in + * WB_SYNC_ALL mode. We don't want to mess with writeback lists in this + * function since flusher thread may be doing for example sync in + * parallel and if we move the inode, it could get skipped. So here we + * make sure inode is on some writeback list and leave it there unless + * we have completely cleaned the inode. */ - if (!(inode->i_state & I_DIRTY)) + if (!(inode->i_state & I_DIRTY) && + (wbc->sync_mode != WB_SYNC_ALL || + !mapping_tagged(inode->i_mapping, PAGECACHE_TAG_WRITEBACK))) goto out; inode->i_state |= I_SYNC; spin_unlock(&inode->i_lock); diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c index 0e16fc1cfcd3..8eb5a0992658 100644 --- a/fs/fuse/dev.c +++ b/fs/fuse/dev.c @@ -1300,22 +1300,6 @@ static ssize_t fuse_dev_read(struct kiocb *iocb, const struct iovec *iov, return fuse_dev_do_read(fc, file, &cs, iov_length(iov, nr_segs)); } -static int fuse_dev_pipe_buf_steal(struct pipe_inode_info *pipe, - struct pipe_buffer *buf) -{ - return 1; -} - -static const struct pipe_buf_operations fuse_dev_pipe_buf_ops = { - .can_merge = 0, - .map = generic_pipe_buf_map, - .unmap = generic_pipe_buf_unmap, - .confirm = generic_pipe_buf_confirm, - .release = generic_pipe_buf_release, - .steal = fuse_dev_pipe_buf_steal, - .get = generic_pipe_buf_get, -}; - static ssize_t fuse_dev_splice_read(struct file *in, loff_t *ppos, struct pipe_inode_info *pipe, size_t len, unsigned int flags) @@ -1362,7 +1346,11 @@ static ssize_t fuse_dev_splice_read(struct file *in, loff_t *ppos, buf->page = bufs[page_nr].page; buf->offset = bufs[page_nr].offset; buf->len = bufs[page_nr].len; - buf->ops = &fuse_dev_pipe_buf_ops; + /* + * Need to be careful about this. Having buf->ops in module + * code can Oops if the buffer persists after module unload. + */ + buf->ops = &nosteal_pipe_buf_ops; pipe->nrbufs++; page_nr++; diff --git a/fs/gfs2/aops.c b/fs/gfs2/aops.c index 0bad69ed6336..76251600cbea 100644 --- a/fs/gfs2/aops.c +++ b/fs/gfs2/aops.c @@ -999,6 +999,7 @@ static ssize_t gfs2_direct_IO(int rw, struct kiocb *iocb, { struct file *file = iocb->ki_filp; struct inode *inode = file->f_mapping->host; + struct address_space *mapping = inode->i_mapping; struct gfs2_inode *ip = GFS2_I(inode); struct gfs2_holder gh; int rv; @@ -1019,6 +1020,35 @@ static ssize_t gfs2_direct_IO(int rw, struct kiocb *iocb, if (rv != 1) goto out; /* dio not valid, fall back to buffered i/o */ + /* + * Now since we are holding a deferred (CW) lock at this point, you + * might be wondering why this is ever needed. There is a case however + * where we've granted a deferred local lock against a cached exclusive + * glock. That is ok provided all granted local locks are deferred, but + * it also means that it is possible to encounter pages which are + * cached and possibly also mapped. So here we check for that and sort + * them out ahead of the dio. The glock state machine will take care of + * everything else. + * + * If in fact the cached glock state (gl->gl_state) is deferred (CW) in + * the first place, mapping->nr_pages will always be zero. + */ + if (mapping->nrpages) { + loff_t lstart = offset & (PAGE_CACHE_SIZE - 1); + loff_t len = iov_length(iov, nr_segs); + loff_t end = PAGE_ALIGN(offset + len) - 1; + + rv = 0; + if (len == 0) + goto out; + if (test_and_clear_bit(GIF_SW_PAGED, &ip->i_flags)) + unmap_shared_mapping_range(ip->i_inode.i_mapping, offset, len); + rv = filemap_write_and_wait_range(mapping, lstart, end); + if (rv) + return rv; + truncate_inode_pages_range(mapping, lstart, end); + } + rv = __blockdev_direct_IO(rw, iocb, inode, inode->i_sb->s_bdev, iov, offset, nr_segs, gfs2_get_block_direct, NULL, NULL, 0); diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c index 62b484e4a9e4..bc5dac400125 100644 --- a/fs/gfs2/inode.c +++ b/fs/gfs2/inode.c @@ -1536,10 +1536,22 @@ static int setattr_chown(struct inode *inode, struct iattr *attr) if (!(attr->ia_valid & ATTR_GID) || gid_eq(ogid, ngid)) ogid = ngid = NO_GID_QUOTA_CHANGE; - error = gfs2_quota_lock(ip, nuid, ngid); + error = get_write_access(inode); if (error) return error; + error = gfs2_rs_alloc(ip); + if (error) + goto out; + + error = gfs2_rindex_update(sdp); + if (error) + goto out; + + error = gfs2_quota_lock(ip, nuid, ngid); + if (error) + goto out; + if (!uid_eq(ouid, NO_UID_QUOTA_CHANGE) || !gid_eq(ogid, NO_GID_QUOTA_CHANGE)) { error = gfs2_quota_check(ip, nuid, ngid); @@ -1566,6 +1578,8 @@ out_end_trans: gfs2_trans_end(sdp); out_gunlock_q: gfs2_quota_unlock(ip); +out: + put_write_access(inode); return error; } diff --git a/fs/gfs2/ops_fstype.c b/fs/gfs2/ops_fstype.c index 60ede2a0f43f..f7dd3b4f8ab0 100644 --- a/fs/gfs2/ops_fstype.c +++ b/fs/gfs2/ops_fstype.c @@ -1317,8 +1317,18 @@ static struct dentry *gfs2_mount(struct file_system_type *fs_type, int flags, if (IS_ERR(s)) goto error_bdev; - if (s->s_root) + if (s->s_root) { + /* + * s_umount nests inside bd_mutex during + * __invalidate_device(). blkdev_put() acquires + * bd_mutex and can't be called under s_umount. Drop + * s_umount temporarily. This is safe as we're + * holding an active reference. + */ + up_write(&s->s_umount); blkdev_put(bdev, mode); + down_write(&s->s_umount); + } memset(&args, 0, sizeof(args)); args.ar_quota = GFS2_QUOTA_DEFAULT; diff --git a/fs/jbd2/transaction.c b/fs/jbd2/transaction.c index e0c0bc275924..a6917125f215 100644 --- a/fs/jbd2/transaction.c +++ b/fs/jbd2/transaction.c @@ -1151,7 +1151,10 @@ int jbd2_journal_dirty_metadata(handle_t *handle, struct buffer_head *bh) * once a transaction -bzzz */ jh->b_modified = 1; - J_ASSERT_JH(jh, handle->h_buffer_credits > 0); + if (handle->h_buffer_credits <= 0) { + ret = -ENOSPC; + goto out_unlock_bh; + } handle->h_buffer_credits--; } @@ -1234,7 +1237,6 @@ out_unlock_bh: jbd2_journal_put_journal_head(jh); out: JBUFFER_TRACE(jh, "exit"); - WARN_ON(ret); /* All errors are bugs, so dump the stack */ return ret; } diff --git a/fs/lockd/svclock.c b/fs/lockd/svclock.c index 8ebd3f551e0c..ffc4045fc62e 100644 --- a/fs/lockd/svclock.c +++ b/fs/lockd/svclock.c @@ -767,6 +767,7 @@ nlmsvc_grant_blocked(struct nlm_block *block) struct nlm_file *file = block->b_file; struct nlm_lock *lock = &block->b_call->a_args.lock; int error; + loff_t fl_start, fl_end; dprintk("lockd: grant blocked lock %p\n", block); @@ -784,9 +785,16 @@ nlmsvc_grant_blocked(struct nlm_block *block) } /* Try the lock operation again */ + /* vfs_lock_file() can mangle fl_start and fl_end, but we need + * them unchanged for the GRANT_MSG + */ lock->fl.fl_flags |= FL_SLEEP; + fl_start = lock->fl.fl_start; + fl_end = lock->fl.fl_end; error = vfs_lock_file(file->f_file, F_SETLK, &lock->fl, NULL); lock->fl.fl_flags &= ~FL_SLEEP; + lock->fl.fl_start = fl_start; + lock->fl.fl_end = fl_end; switch (error) { case 0: diff --git a/fs/mount.h b/fs/mount.h index 64a858143ff9..68d80bdcd081 100644 --- a/fs/mount.h +++ b/fs/mount.h @@ -73,7 +73,7 @@ static inline int mnt_has_parent(struct mount *mnt) static inline int is_mounted(struct vfsmount *mnt) { /* neither detached nor internal? */ - return !IS_ERR_OR_NULL(real_mount(mnt)); + return !IS_ERR_OR_NULL(real_mount(mnt)->mnt_ns); } extern struct mount *__lookup_mnt(struct vfsmount *, struct dentry *, int); diff --git a/fs/nfs/blocklayout/extents.c b/fs/nfs/blocklayout/extents.c index 9c3e117c3ed1..4d0161442565 100644 --- a/fs/nfs/blocklayout/extents.c +++ b/fs/nfs/blocklayout/extents.c @@ -44,7 +44,7 @@ static inline sector_t normalize(sector_t s, int base) { sector_t tmp = s; /* Since do_div modifies its argument */ - return s - do_div(tmp, base); + return s - sector_div(tmp, base); } static inline sector_t normalize_up(sector_t s, int base) diff --git a/fs/nfs/nfs4client.c b/fs/nfs/nfs4client.c index 4cbad5d6b276..02773aab43c5 100644 --- a/fs/nfs/nfs4client.c +++ b/fs/nfs/nfs4client.c @@ -240,13 +240,11 @@ struct nfs_client *nfs4_init_client(struct nfs_client *clp, error = nfs4_discover_server_trunking(clp, &old); if (error < 0) goto error; - nfs_put_client(clp); - if (clp != old) { - clp->cl_preserve_clid = true; - clp = old; - } - return clp; + if (clp != old) + clp->cl_preserve_clid = true; + nfs_put_client(clp); + return old; error: nfs_mark_client_ready(clp, error); @@ -324,9 +322,10 @@ int nfs40_walk_client_list(struct nfs_client *new, prev = pos; status = nfs_wait_client_init_complete(pos); - spin_lock(&nn->nfs_client_lock); if (status < 0) - continue; + goto out; + status = -NFS4ERR_STALE_CLIENTID; + spin_lock(&nn->nfs_client_lock); } if (pos->cl_cons_state != NFS_CS_READY) continue; @@ -464,7 +463,8 @@ int nfs41_walk_client_list(struct nfs_client *new, } spin_lock(&nn->nfs_client_lock); if (status < 0) - continue; + break; + status = -NFS4ERR_STALE_CLIENTID; } if (pos->cl_cons_state != NFS_CS_READY) continue; diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index 10a0dde7731a..7ccc30ecd744 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -4222,8 +4222,7 @@ nfs4_async_handle_error(struct rpc_task *task, const struct nfs_server *server, dprintk("%s ERROR %d, Reset session\n", __func__, task->tk_status); nfs4_schedule_session_recovery(clp->cl_session, task->tk_status); - task->tk_status = 0; - return -EAGAIN; + goto wait_on_recovery; #endif /* CONFIG_NFS_V4_1 */ case -NFS4ERR_DELAY: nfs_inc_server_stats(server, NFSIOS_DELAY); @@ -6233,9 +6232,9 @@ static void nfs4_layoutget_done(struct rpc_task *task, void *calldata) struct nfs_server *server = NFS_SERVER(inode); struct pnfs_layout_hdr *lo; struct nfs4_state *state = NULL; - unsigned long timeo, giveup; + unsigned long timeo, now, giveup; - dprintk("--> %s\n", __func__); + dprintk("--> %s tk_status => %d\n", __func__, -task->tk_status); if (!nfs41_sequence_done(task, &lgp->res.seq_res)) goto out; @@ -6243,12 +6242,38 @@ static void nfs4_layoutget_done(struct rpc_task *task, void *calldata) switch (task->tk_status) { case 0: goto out; + /* + * NFS4ERR_LAYOUTTRYLATER is a conflict with another client + * (or clients) writing to the same RAID stripe + */ case -NFS4ERR_LAYOUTTRYLATER: + /* + * NFS4ERR_RECALLCONFLICT is when conflict with self (must recall + * existing layout before getting a new one). + */ case -NFS4ERR_RECALLCONFLICT: timeo = rpc_get_timeout(task->tk_client); giveup = lgp->args.timestamp + timeo; - if (time_after(giveup, jiffies)) - task->tk_status = -NFS4ERR_DELAY; + now = jiffies; + if (time_after(giveup, now)) { + unsigned long delay; + + /* Delay for: + * - Not less then NFS4_POLL_RETRY_MIN. + * - One last time a jiffie before we give up + * - exponential backoff (time_now minus start_attempt) + */ + delay = max_t(unsigned long, NFS4_POLL_RETRY_MIN, + min((giveup - now - 1), + now - lgp->args.timestamp)); + + dprintk("%s: NFS4ERR_RECALLCONFLICT waiting %lu\n", + __func__, delay); + rpc_delay(task, delay); + task->tk_status = 0; + rpc_restart_call_prepare(task); + goto out; /* Do not call nfs4_async_handle_error() */ + } break; case -NFS4ERR_EXPIRED: case -NFS4ERR_BAD_STATEID: @@ -6684,7 +6709,7 @@ nfs41_proc_secinfo_no_name(struct nfs_server *server, struct nfs_fh *fhandle, switch (err) { case 0: case -NFS4ERR_WRONGSEC: - case -NFS4ERR_NOTSUPP: + case -ENOTSUPP: goto out; default: err = nfs4_handle_exception(server, err, &exception); @@ -6716,7 +6741,7 @@ nfs41_find_root_sec(struct nfs_server *server, struct nfs_fh *fhandle, * Fall back on "guess and check" method if * the server doesn't support SECINFO_NO_NAME */ - if (err == -NFS4ERR_WRONGSEC || err == -NFS4ERR_NOTSUPP) { + if (err == -NFS4ERR_WRONGSEC || err == -ENOTSUPP) { err = nfs4_find_root_sec(server, fhandle, info); goto out_freepage; } diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c index 4be8d135ed61..988efb4caac0 100644 --- a/fs/nfs/nfs4xdr.c +++ b/fs/nfs/nfs4xdr.c @@ -3002,7 +3002,8 @@ out_overflow: return -EIO; } -static int decode_op_hdr(struct xdr_stream *xdr, enum nfs_opnum4 expected) +static bool __decode_op_hdr(struct xdr_stream *xdr, enum nfs_opnum4 expected, + int *nfs_retval) { __be32 *p; uint32_t opnum; @@ -3012,19 +3013,32 @@ static int decode_op_hdr(struct xdr_stream *xdr, enum nfs_opnum4 expected) if (unlikely(!p)) goto out_overflow; opnum = be32_to_cpup(p++); - if (opnum != expected) { - dprintk("nfs: Server returned operation" - " %d but we issued a request for %d\n", - opnum, expected); - return -EIO; - } + if (unlikely(opnum != expected)) + goto out_bad_operation; nfserr = be32_to_cpup(p); - if (nfserr != NFS_OK) - return nfs4_stat_to_errno(nfserr); - return 0; + if (nfserr == NFS_OK) + *nfs_retval = 0; + else + *nfs_retval = nfs4_stat_to_errno(nfserr); + return true; +out_bad_operation: + dprintk("nfs: Server returned operation" + " %d but we issued a request for %d\n", + opnum, expected); + *nfs_retval = -EREMOTEIO; + return false; out_overflow: print_overflow_msg(__func__, xdr); - return -EIO; + *nfs_retval = -EIO; + return false; +} + +static int decode_op_hdr(struct xdr_stream *xdr, enum nfs_opnum4 expected) +{ + int retval; + + __decode_op_hdr(xdr, expected, &retval); + return retval; } /* Dummy routine */ @@ -4842,11 +4856,12 @@ static int decode_open(struct xdr_stream *xdr, struct nfs_openres *res) uint32_t savewords, bmlen, i; int status; - status = decode_op_hdr(xdr, OP_OPEN); - if (status != -EIO) - nfs_increment_open_seqid(status, res->seqid); - if (!status) - status = decode_stateid(xdr, &res->stateid); + if (!__decode_op_hdr(xdr, OP_OPEN, &status)) + return status; + nfs_increment_open_seqid(status, res->seqid); + if (status) + return status; + status = decode_stateid(xdr, &res->stateid); if (unlikely(status)) return status; diff --git a/fs/nfsd/nfscache.c b/fs/nfsd/nfscache.c index e76244edd748..ec8d97ddc635 100644 --- a/fs/nfsd/nfscache.c +++ b/fs/nfsd/nfscache.c @@ -129,6 +129,13 @@ nfsd_reply_cache_alloc(void) } static void +nfsd_reply_cache_unhash(struct svc_cacherep *rp) +{ + hlist_del_init(&rp->c_hash); + list_del_init(&rp->c_lru); +} + +static void nfsd_reply_cache_free_locked(struct svc_cacherep *rp) { if (rp->c_type == RC_REPLBUFF && rp->c_replvec.iov_base) { @@ -403,7 +410,7 @@ nfsd_cache_lookup(struct svc_rqst *rqstp) rp = list_first_entry(&lru_head, struct svc_cacherep, c_lru); if (nfsd_cache_entry_expired(rp) || num_drc_entries >= max_drc_entries) { - lru_put_end(rp); + nfsd_reply_cache_unhash(rp); prune_cache_entries(); goto search_cache; } diff --git a/fs/nilfs2/segment.c b/fs/nilfs2/segment.c index cbd66188a28b..958a5b57ed4a 100644 --- a/fs/nilfs2/segment.c +++ b/fs/nilfs2/segment.c @@ -1440,17 +1440,19 @@ static int nilfs_segctor_collect(struct nilfs_sc_info *sci, nilfs_clear_logs(&sci->sc_segbufs); - err = nilfs_segctor_extend_segments(sci, nilfs, nadd); - if (unlikely(err)) - return err; - if (sci->sc_stage.flags & NILFS_CF_SUFREED) { err = nilfs_sufile_cancel_freev(nilfs->ns_sufile, sci->sc_freesegs, sci->sc_nfreesegs, NULL); WARN_ON(err); /* do not happen */ + sci->sc_stage.flags &= ~NILFS_CF_SUFREED; } + + err = nilfs_segctor_extend_segments(sci, nilfs, nadd); + if (unlikely(err)) + return err; + nadd = min_t(int, nadd << 1, SC_MAX_SEGDELTA); sci->sc_stage = prev_stage; } diff --git a/fs/notify/fanotify/fanotify_user.c b/fs/notify/fanotify/fanotify_user.c index 77cc85dd0db0..f1680cdbd88b 100644 --- a/fs/notify/fanotify/fanotify_user.c +++ b/fs/notify/fanotify/fanotify_user.c @@ -867,9 +867,9 @@ COMPAT_SYSCALL_DEFINE6(fanotify_mark, { return sys_fanotify_mark(fanotify_fd, flags, #ifdef __BIG_ENDIAN - ((__u64)mask1 << 32) | mask0, -#else ((__u64)mask0 << 32) | mask1, +#else + ((__u64)mask1 << 32) | mask0, #endif dfd, pathname); } diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c index 3e64169ef527..38802d683969 100644 --- a/fs/quota/dquot.c +++ b/fs/quota/dquot.c @@ -581,9 +581,17 @@ int dquot_scan_active(struct super_block *sb, dqstats_inc(DQST_LOOKUPS); dqput(old_dquot); old_dquot = dquot; - ret = fn(dquot, priv); - if (ret < 0) - goto out; + /* + * ->release_dquot() can be racing with us. Our reference + * protects us from new calls to it so just wait for any + * outstanding call and recheck the DQ_ACTIVE_B after that. + */ + wait_on_dquot(dquot); + if (test_bit(DQ_ACTIVE_B, &dquot->dq_flags)) { + ret = fn(dquot, priv); + if (ret < 0) + goto out; + } spin_lock(&dq_list_lock); /* We are safe to continue now because our dquot could not * be moved out of the inuse list while we hold the reference */ diff --git a/fs/read_write.c b/fs/read_write.c index 2cefa417be34..f6b7c600eb7f 100644 --- a/fs/read_write.c +++ b/fs/read_write.c @@ -947,9 +947,9 @@ out: return ret; } -COMPAT_SYSCALL_DEFINE3(readv, unsigned long, fd, +COMPAT_SYSCALL_DEFINE3(readv, compat_ulong_t, fd, const struct compat_iovec __user *,vec, - unsigned long, vlen) + compat_ulong_t, vlen) { struct fd f = fdget(fd); ssize_t ret; @@ -983,9 +983,9 @@ COMPAT_SYSCALL_DEFINE4(preadv64, unsigned long, fd, return ret; } -COMPAT_SYSCALL_DEFINE5(preadv, unsigned long, fd, +COMPAT_SYSCALL_DEFINE5(preadv, compat_ulong_t, fd, const struct compat_iovec __user *,vec, - unsigned long, vlen, u32, pos_low, u32, pos_high) + compat_ulong_t, vlen, u32, pos_low, u32, pos_high) { loff_t pos = ((loff_t)pos_high << 32) | pos_low; return compat_sys_preadv64(fd, vec, vlen, pos); @@ -1013,9 +1013,9 @@ out: return ret; } -COMPAT_SYSCALL_DEFINE3(writev, unsigned long, fd, +COMPAT_SYSCALL_DEFINE3(writev, compat_ulong_t, fd, const struct compat_iovec __user *, vec, - unsigned long, vlen) + compat_ulong_t, vlen) { struct fd f = fdget(fd); ssize_t ret; @@ -1049,9 +1049,9 @@ COMPAT_SYSCALL_DEFINE4(pwritev64, unsigned long, fd, return ret; } -COMPAT_SYSCALL_DEFINE5(pwritev, unsigned long, fd, +COMPAT_SYSCALL_DEFINE5(pwritev, compat_ulong_t, fd, const struct compat_iovec __user *,vec, - unsigned long, vlen, u32, pos_low, u32, pos_high) + compat_ulong_t, vlen, u32, pos_low, u32, pos_high) { loff_t pos = ((loff_t)pos_high << 32) | pos_low; return compat_sys_pwritev64(fd, vec, vlen, pos); diff --git a/fs/splice.c b/fs/splice.c index d37431dd60a1..4b5a5fac3383 100644 --- a/fs/splice.c +++ b/fs/splice.c @@ -555,6 +555,24 @@ static const struct pipe_buf_operations default_pipe_buf_ops = { .get = generic_pipe_buf_get, }; +static int generic_pipe_buf_nosteal(struct pipe_inode_info *pipe, + struct pipe_buffer *buf) +{ + return 1; +} + +/* Pipe buffer operations for a socket and similar. */ +const struct pipe_buf_operations nosteal_pipe_buf_ops = { + .can_merge = 0, + .map = generic_pipe_buf_map, + .unmap = generic_pipe_buf_unmap, + .confirm = generic_pipe_buf_confirm, + .release = generic_pipe_buf_release, + .steal = generic_pipe_buf_nosteal, + .get = generic_pipe_buf_get, +}; +EXPORT_SYMBOL(nosteal_pipe_buf_ops); + static ssize_t kernel_readv(struct file *file, const struct iovec *vec, unsigned long vlen, loff_t offset) { diff --git a/fs/xfs/xfs_fsops.c b/fs/xfs/xfs_fsops.c index 3c3644ea825b..2288db4e1784 100644 --- a/fs/xfs/xfs_fsops.c +++ b/fs/xfs/xfs_fsops.c @@ -216,6 +216,8 @@ xfs_growfs_data_private( */ nfree = 0; for (agno = nagcount - 1; agno >= oagcount; agno--, new -= agsize) { + __be32 *agfl_bno; + /* * AG freespace header block */ @@ -275,8 +277,10 @@ xfs_growfs_data_private( agfl->agfl_seqno = cpu_to_be32(agno); uuid_copy(&agfl->agfl_uuid, &mp->m_sb.sb_uuid); } + + agfl_bno = XFS_BUF_TO_AGFL_BNO(mp, bp); for (bucket = 0; bucket < XFS_AGFL_SIZE(mp); bucket++) - agfl->agfl_bno[bucket] = cpu_to_be32(NULLAGBLOCK); + agfl_bno[bucket] = cpu_to_be32(NULLAGBLOCK); error = xfs_bwrite(bp); xfs_buf_relse(bp); diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c index ca01d830e989..83dfe6e73235 100644 --- a/fs/xfs/xfs_ioctl.c +++ b/fs/xfs/xfs_ioctl.c @@ -409,7 +409,8 @@ xfs_attrlist_by_handle( return -XFS_ERROR(EPERM); if (copy_from_user(&al_hreq, arg, sizeof(xfs_fsop_attrlist_handlereq_t))) return -XFS_ERROR(EFAULT); - if (al_hreq.buflen > XATTR_LIST_MAX) + if (al_hreq.buflen < sizeof(struct attrlist) || + al_hreq.buflen > XATTR_LIST_MAX) return -XFS_ERROR(EINVAL); /* diff --git a/fs/xfs/xfs_ioctl32.c b/fs/xfs/xfs_ioctl32.c index c0c66259cc91..68799d7f02cc 100644 --- a/fs/xfs/xfs_ioctl32.c +++ b/fs/xfs/xfs_ioctl32.c @@ -359,7 +359,8 @@ xfs_compat_attrlist_by_handle( if (copy_from_user(&al_hreq, arg, sizeof(compat_xfs_fsop_attrlist_handlereq_t))) return -XFS_ERROR(EFAULT); - if (al_hreq.buflen > XATTR_LIST_MAX) + if (al_hreq.buflen < sizeof(struct attrlist) || + al_hreq.buflen > XATTR_LIST_MAX) return -XFS_ERROR(EINVAL); /* diff --git a/include/asm-generic/pgtable.h b/include/asm-generic/pgtable.h index a59ff51b0166..b58268a5ddd4 100644 --- a/include/asm-generic/pgtable.h +++ b/include/asm-generic/pgtable.h @@ -220,7 +220,7 @@ static inline int pmd_same(pmd_t pmd_a, pmd_t pmd_b) #endif #ifndef pte_accessible -# define pte_accessible(pte) ((void)(pte),1) +# define pte_accessible(mm, pte) ((void)(pte), 1) #endif #ifndef flush_tlb_fix_spurious_fault diff --git a/include/clocksource/arm_arch_timer.h b/include/clocksource/arm_arch_timer.h index e6c9c4cc9b23..c463ce990c48 100644 --- a/include/clocksource/arm_arch_timer.h +++ b/include/clocksource/arm_arch_timer.h @@ -32,7 +32,7 @@ #ifdef CONFIG_ARM_ARCH_TIMER extern u32 arch_timer_get_rate(void); -extern u64 (*arch_timer_read_counter)(void); +extern u64 arch_timer_read_counter(void); extern struct timecounter *arch_timer_get_timecounter(void); #else diff --git a/include/drm/drm_pciids.h b/include/drm/drm_pciids.h index bb1bc485390b..ecaef57f9f6c 100644 --- a/include/drm/drm_pciids.h +++ b/include/drm/drm_pciids.h @@ -559,7 +559,7 @@ {0x1002, 0x9645, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SUMO2|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \ {0x1002, 0x9647, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SUMO|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP},\ {0x1002, 0x9648, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SUMO|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP},\ - {0x1002, 0x9649, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SUMO|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP},\ + {0x1002, 0x9649, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SUMO2|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP},\ {0x1002, 0x964a, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SUMO|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \ {0x1002, 0x964b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SUMO|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \ {0x1002, 0x964c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SUMO|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \ diff --git a/include/linux/audit.h b/include/linux/audit.h index 729a4d165bcc..4fb28b23a4a4 100644 --- a/include/linux/audit.h +++ b/include/linux/audit.h @@ -135,7 +135,7 @@ static inline void audit_syscall_exit(void *pt_regs) { if (unlikely(current->audit_context)) { int success = is_syscall_success(pt_regs); - int return_code = regs_return_value(pt_regs); + long return_code = regs_return_value(pt_regs); __audit_syscall_exit(success, return_code); } diff --git a/include/linux/auxvec.h b/include/linux/auxvec.h index 669fef5c745a..3e0fbe441763 100644 --- a/include/linux/auxvec.h +++ b/include/linux/auxvec.h @@ -3,6 +3,6 @@ #include <uapi/linux/auxvec.h> -#define AT_VECTOR_SIZE_BASE 19 /* NEW_AUX_ENT entries in auxiliary table */ +#define AT_VECTOR_SIZE_BASE 20 /* NEW_AUX_ENT entries in auxiliary table */ /* number of "#define AT_.*" above, minus {AT_NULL, AT_IGNORE, AT_NOTELF} */ #endif /* _LINUX_AUXVEC_H */ diff --git a/include/linux/can/skb.h b/include/linux/can/skb.h index 2f0543f7510c..f9bbbb472663 100644 --- a/include/linux/can/skb.h +++ b/include/linux/can/skb.h @@ -11,7 +11,9 @@ #define CAN_SKB_H #include <linux/types.h> +#include <linux/skbuff.h> #include <linux/can.h> +#include <net/sock.h> /* * The struct can_skb_priv is used to transport additional information along @@ -42,4 +44,40 @@ static inline void can_skb_reserve(struct sk_buff *skb) skb_reserve(skb, sizeof(struct can_skb_priv)); } +static inline void can_skb_destructor(struct sk_buff *skb) +{ + sock_put(skb->sk); +} + +static inline void can_skb_set_owner(struct sk_buff *skb, struct sock *sk) +{ + if (sk) { + sock_hold(sk); + skb->destructor = can_skb_destructor; + skb->sk = sk; + } +} + +/* + * returns an unshared skb owned by the original sock to be echo'ed back + */ +static inline struct sk_buff *can_create_echo_skb(struct sk_buff *skb) +{ + if (skb_shared(skb)) { + struct sk_buff *nskb = skb_clone(skb, GFP_ATOMIC); + + if (likely(nskb)) { + can_skb_set_owner(nskb, skb->sk); + consume_skb(skb); + return nskb; + } else { + kfree_skb(skb); + return NULL; + } + } + + /* we can assume to have an unshared skb with proper owner */ + return skb; +} + #endif /* CAN_SKB_H */ diff --git a/include/linux/ceph/osd_client.h b/include/linux/ceph/osd_client.h index 186db0bf4951..8f47625a0661 100644 --- a/include/linux/ceph/osd_client.h +++ b/include/linux/ceph/osd_client.h @@ -145,7 +145,6 @@ struct ceph_osd_request { s32 r_reply_op_result[CEPH_OSD_MAX_OP]; int r_got_reply; int r_linger; - int r_completed; struct ceph_osd_client *r_osdc; struct kref r_kref; @@ -336,6 +335,8 @@ extern int ceph_osdc_wait_request(struct ceph_osd_client *osdc, struct ceph_osd_request *req); extern void ceph_osdc_sync(struct ceph_osd_client *osdc); +extern void ceph_osdc_flush_notifies(struct ceph_osd_client *osdc); + extern int ceph_osdc_readpages(struct ceph_osd_client *osdc, struct ceph_vino vino, struct ceph_file_layout *layout, diff --git a/include/linux/compat.h b/include/linux/compat.h index ec1aee4aec9c..df7060083d85 100644 --- a/include/linux/compat.h +++ b/include/linux/compat.h @@ -326,16 +326,16 @@ asmlinkage long compat_sys_keyctl(u32 option, u32 arg2, u32 arg3, u32 arg4, u32 arg5); asmlinkage long compat_sys_ustat(unsigned dev, struct compat_ustat __user *u32); -asmlinkage ssize_t compat_sys_readv(unsigned long fd, - const struct compat_iovec __user *vec, unsigned long vlen); -asmlinkage ssize_t compat_sys_writev(unsigned long fd, - const struct compat_iovec __user *vec, unsigned long vlen); -asmlinkage ssize_t compat_sys_preadv(unsigned long fd, +asmlinkage ssize_t compat_sys_readv(compat_ulong_t fd, + const struct compat_iovec __user *vec, compat_ulong_t vlen); +asmlinkage ssize_t compat_sys_writev(compat_ulong_t fd, + const struct compat_iovec __user *vec, compat_ulong_t vlen); +asmlinkage ssize_t compat_sys_preadv(compat_ulong_t fd, const struct compat_iovec __user *vec, - unsigned long vlen, u32 pos_low, u32 pos_high); -asmlinkage ssize_t compat_sys_pwritev(unsigned long fd, + compat_ulong_t vlen, u32 pos_low, u32 pos_high); +asmlinkage ssize_t compat_sys_pwritev(compat_ulong_t fd, const struct compat_iovec __user *vec, - unsigned long vlen, u32 pos_low, u32 pos_high); + compat_ulong_t vlen, u32 pos_low, u32 pos_high); asmlinkage long comat_sys_lseek(unsigned int, compat_off_t, unsigned int); asmlinkage long compat_sys_execve(const char __user *filename, const compat_uptr_t __user *argv, @@ -421,7 +421,7 @@ extern long compat_arch_ptrace(struct task_struct *child, compat_long_t request, asmlinkage long compat_sys_ptrace(compat_long_t request, compat_long_t pid, compat_long_t addr, compat_long_t data); -asmlinkage long compat_sys_lookup_dcookie(u32, u32, char __user *, size_t); +asmlinkage long compat_sys_lookup_dcookie(u32, u32, char __user *, compat_size_t); /* * epoll (fs/eventpoll.c) compat bits follow ... */ diff --git a/include/linux/compiler-gcc4.h b/include/linux/compiler-gcc4.h index ded429966c1f..2507fd2a1eb4 100644 --- a/include/linux/compiler-gcc4.h +++ b/include/linux/compiler-gcc4.h @@ -75,11 +75,7 @@ * * (asm goto is automatically volatile - the naming reflects this.) */ -#if GCC_VERSION <= 40801 -# define asm_volatile_goto(x...) do { asm goto(x); asm (""); } while (0) -#else -# define asm_volatile_goto(x...) do { asm goto(x); } while (0) -#endif +#define asm_volatile_goto(x...) do { asm goto(x); asm (""); } while (0) #ifdef CONFIG_ARCH_USE_BUILTIN_BSWAP #if GCC_VERSION >= 40400 diff --git a/include/linux/compiler-intel.h b/include/linux/compiler-intel.h index 973ce10c40b6..dc1bd3dcf11f 100644 --- a/include/linux/compiler-intel.h +++ b/include/linux/compiler-intel.h @@ -28,8 +28,6 @@ #endif -#define uninitialized_var(x) x - #ifndef __HAVE_BUILTIN_BSWAP16__ /* icc has this, but it's called _bswap16 */ #define __HAVE_BUILTIN_BSWAP16__ diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h index feaf0c7fb7d8..c8958f563116 100644 --- a/include/linux/hugetlb.h +++ b/include/linux/hugetlb.h @@ -31,6 +31,7 @@ struct hugepage_subpool *hugepage_new_subpool(long nr_blocks); void hugepage_put_subpool(struct hugepage_subpool *spool); int PageHuge(struct page *page); +int PageHeadHuge(struct page *page_head); void reset_vma_resv_huge_pages(struct vm_area_struct *vma); int hugetlb_sysctl_handler(struct ctl_table *, int, void __user *, size_t *, loff_t *); @@ -98,6 +99,11 @@ static inline int PageHuge(struct page *page) return 0; } +static inline int PageHeadHuge(struct page *page_head) +{ + return 0; +} + static inline void reset_vma_resv_huge_pages(struct vm_area_struct *vma) { } diff --git a/include/linux/ipc_namespace.h b/include/linux/ipc_namespace.h index f6c82de12541..d6ad91f26038 100644 --- a/include/linux/ipc_namespace.h +++ b/include/linux/ipc_namespace.h @@ -119,9 +119,7 @@ extern int mq_init_ns(struct ipc_namespace *ns); * the new maximum will handle anyone else. I may have to revisit this * in the future. */ -#define MIN_QUEUESMAX 1 #define DFLT_QUEUESMAX 256 -#define HARD_QUEUESMAX 1024 #define MIN_MSGMAX 1 #define DFLT_MSG 10U #define DFLT_MSGMAX 10 diff --git a/include/linux/kexec.h b/include/linux/kexec.h index d78d28a733b1..5fd33dc1fe3a 100644 --- a/include/linux/kexec.h +++ b/include/linux/kexec.h @@ -198,6 +198,9 @@ extern u32 vmcoreinfo_note[VMCOREINFO_NOTE_SIZE/4]; extern size_t vmcoreinfo_size; extern size_t vmcoreinfo_max_size; +/* flag to track if kexec reboot is in progress */ +extern bool kexec_in_progress; + int __init parse_crashkernel(char *cmdline, unsigned long long system_ram, unsigned long long *crash_size, unsigned long long *crash_base); int parse_crashkernel_high(char *cmdline, unsigned long long system_ram, diff --git a/include/linux/libata.h b/include/linux/libata.h index eae7a053dc51..f33619d8ac52 100644 --- a/include/linux/libata.h +++ b/include/linux/libata.h @@ -399,6 +399,9 @@ enum { ATA_HORKAGE_BROKEN_FPDMA_AA = (1 << 15), /* skip AA */ ATA_HORKAGE_DUMP_ID = (1 << 16), /* dump IDENTIFY data */ ATA_HORKAGE_MAX_SEC_LBA48 = (1 << 17), /* Set max sects to 65535 */ + ATA_HORKAGE_ATAPI_DMADIR = (1 << 18), /* device requires dmadir */ + ATA_HORKAGE_NOLPM = (1 << 20), /* don't use LPM */ + ATA_HORKAGE_WD_BROKEN_LPM = (1 << 21), /* some WDs have broken LPM */ /* DMA mask for user DMA control: User visible values; DO NOT renumber */ diff --git a/include/linux/mm.h b/include/linux/mm.h index 6e470e3d171b..de2a2f2bf708 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -767,11 +767,14 @@ static __always_inline void *lowmem_page_address(const struct page *page) #endif #if defined(WANT_PAGE_VIRTUAL) -#define page_address(page) ((page)->virtual) -#define set_page_address(page, address) \ - do { \ - (page)->virtual = (address); \ - } while(0) +static inline void *page_address(const struct page *page) +{ + return page->virtual; +} +static inline void set_page_address(struct page *page, void *address) +{ + page->virtual = address; +} #define page_address_init() do { } while(0) #endif diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h index 93ddd4eb910b..7ac202644067 100644 --- a/include/linux/mm_types.h +++ b/include/linux/mm_types.h @@ -442,6 +442,14 @@ struct mm_struct { */ int first_nid; #endif +#if defined(CONFIG_NUMA_BALANCING) || defined(CONFIG_COMPACTION) + /* + * An operation with batched TLB flushing is going on. Anything that + * can move process memory needs to flush the TLB when moving a + * PROT_NONE or PROT_NUMA mapped page. + */ + bool tlb_flush_pending; +#endif struct uprobes_state uprobes_state; }; @@ -472,4 +480,45 @@ static inline const char __user *vma_get_anon_name(struct vm_area_struct *vma) return vma->shared.anon_name; } +#if defined(CONFIG_NUMA_BALANCING) || defined(CONFIG_COMPACTION) +/* + * Memory barriers to keep this state in sync are graciously provided by + * the page table locks, outside of which no page table modifications happen. + * The barriers below prevent the compiler from re-ordering the instructions + * around the memory barriers that are already present in the code. + */ +static inline bool mm_tlb_flush_pending(struct mm_struct *mm) +{ + barrier(); + return mm->tlb_flush_pending; +} +static inline void set_tlb_flush_pending(struct mm_struct *mm) +{ + mm->tlb_flush_pending = true; + + /* + * Guarantee that the tlb_flush_pending store does not leak into the + * critical section updating the page tables + */ + smp_mb__before_spinlock(); +} +/* Clearing is done after a TLB flush, which also provides a barrier. */ +static inline void clear_tlb_flush_pending(struct mm_struct *mm) +{ + barrier(); + mm->tlb_flush_pending = false; +} +#else +static inline bool mm_tlb_flush_pending(struct mm_struct *mm) +{ + return false; +} +static inline void set_tlb_flush_pending(struct mm_struct *mm) +{ +} +static inline void clear_tlb_flush_pending(struct mm_struct *mm) +{ +} +#endif + #endif /* _LINUX_MM_TYPES_H */ diff --git a/include/linux/net.h b/include/linux/net.h index 0c4ae5d94de9..65545ac6fb9c 100644 --- a/include/linux/net.h +++ b/include/linux/net.h @@ -180,7 +180,7 @@ struct proto_ops { int offset, size_t size, int flags); ssize_t (*splice_read)(struct socket *sock, loff_t *ppos, struct pipe_inode_info *pipe, size_t len, unsigned int flags); - void (*set_peek_off)(struct sock *sk, int val); + int (*set_peek_off)(struct sock *sk, int val); }; #define DECLARE_SOCKADDR(type, dst, src) \ diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 96e4c21e15e0..4d2e0418ab5a 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -1772,6 +1772,15 @@ static inline int dev_parse_header(const struct sk_buff *skb, return dev->header_ops->parse(skb, haddr); } +static inline int dev_rebuild_header(struct sk_buff *skb) +{ + const struct net_device *dev = skb->dev; + + if (!dev->header_ops || !dev->header_ops->rebuild) + return 0; + return dev->header_ops->rebuild(skb); +} + typedef int gifconf_func_t(struct net_device * dev, char __user * bufptr, int len); extern int register_gifconf(unsigned int family, gifconf_func_t * gifconf); static inline int unregister_gifconf(unsigned int family) @@ -2752,7 +2761,12 @@ void netdev_change_features(struct net_device *dev); void netif_stacked_transfer_operstate(const struct net_device *rootdev, struct net_device *dev); -netdev_features_t netif_skb_features(struct sk_buff *skb); +netdev_features_t netif_skb_dev_features(struct sk_buff *skb, + const struct net_device *dev); +static inline netdev_features_t netif_skb_features(struct sk_buff *skb) +{ + return netif_skb_dev_features(skb, skb->dev); +} static inline bool net_gso_ok(netdev_features_t features, int gso_type) { diff --git a/include/linux/pipe_fs_i.h b/include/linux/pipe_fs_i.h index b8809fef61f5..ab5752692113 100644 --- a/include/linux/pipe_fs_i.h +++ b/include/linux/pipe_fs_i.h @@ -157,6 +157,8 @@ int generic_pipe_buf_confirm(struct pipe_inode_info *, struct pipe_buffer *); int generic_pipe_buf_steal(struct pipe_inode_info *, struct pipe_buffer *); void generic_pipe_buf_release(struct pipe_inode_info *, struct pipe_buffer *); +extern const struct pipe_buf_operations nosteal_pipe_buf_ops; + /* for F_SETPIPE_SZ and F_GETPIPE_SZ */ long pipe_fcntl(struct file *, unsigned int, unsigned long arg); struct pipe_inode_info *get_pipe_info(struct file *file); diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index 74db47ec09ea..478120ae34e5 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -1741,6 +1741,11 @@ static inline void skb_set_mac_header(struct sk_buff *skb, const int offset) } #endif /* NET_SKBUFF_DATA_USES_OFFSET */ +static inline void skb_pop_mac_header(struct sk_buff *skb) +{ + skb->mac_header = skb->network_header; +} + static inline void skb_probe_transport_header(struct sk_buff *skb, const int offset_hint) { @@ -2483,6 +2488,8 @@ extern int skb_shift(struct sk_buff *tgt, struct sk_buff *skb, extern struct sk_buff *skb_segment(struct sk_buff *skb, netdev_features_t features); +unsigned int skb_gso_transport_seglen(const struct sk_buff *skb); + static inline void *skb_header_pointer(const struct sk_buff *skb, int offset, int len, void *buffer) { @@ -2906,5 +2913,22 @@ static inline bool skb_head_is_locked(const struct sk_buff *skb) { return !skb->head_frag || skb_cloned(skb); } + +/** + * skb_gso_network_seglen - Return length of individual segments of a gso packet + * + * @skb: GSO skb + * + * skb_gso_network_seglen is used to determine the real size of the + * individual segments, including Layer3 (IP, IPv6) and L4 headers (TCP/UDP). + * + * The MAC/L2 header is not accounted for. + */ +static inline unsigned int skb_gso_network_seglen(const struct sk_buff *skb) +{ + unsigned int hdr_len = skb_transport_header(skb) - + skb_network_header(skb); + return hdr_len + skb_gso_transport_seglen(skb); +} #endif /* __KERNEL__ */ #endif /* _LINUX_SKBUFF_H */ diff --git a/include/linux/spinlock.h b/include/linux/spinlock.h index 7d537ced949a..75f34949d9ab 100644 --- a/include/linux/spinlock.h +++ b/include/linux/spinlock.h @@ -117,9 +117,17 @@ do { \ #endif /*arch_spin_is_contended*/ #endif -/* The lock does not imply full memory barrier. */ -#ifndef ARCH_HAS_SMP_MB_AFTER_LOCK -static inline void smp_mb__after_lock(void) { smp_mb(); } +/* + * Despite its name it doesn't necessarily has to be a full barrier. + * It should only guarantee that a STORE before the critical section + * can not be reordered with a LOAD inside this section. + * spin_lock() is the one-way barrier, this LOAD can not escape out + * of the region. So the default implementation simply ensures that + * a STORE can not move into the critical section, smp_wmb() should + * serialize it with another STORE done by spin_lock(). + */ +#ifndef smp_mb__before_spinlock +#define smp_mb__before_spinlock() smp_wmb() #endif /** diff --git a/include/linux/vmstat.h b/include/linux/vmstat.h index c586679b6fef..9044769f2296 100644 --- a/include/linux/vmstat.h +++ b/include/linux/vmstat.h @@ -142,9 +142,6 @@ static inline unsigned long zone_page_state_snapshot(struct zone *zone, return x; } -extern unsigned long global_reclaimable_pages(void); -extern unsigned long zone_reclaimable_pages(struct zone *zone); - #ifdef CONFIG_NUMA /* * Determine the per node value of a stat item. This function diff --git a/include/scsi/osd_ore.h b/include/scsi/osd_ore.h index a5f9b960dfc8..6ca3265a4dca 100644 --- a/include/scsi/osd_ore.h +++ b/include/scsi/osd_ore.h @@ -102,6 +102,7 @@ struct ore_striping_info { unsigned unit_off; unsigned cur_pg; unsigned cur_comp; + unsigned maxdevUnits; }; struct ore_io_state; diff --git a/include/sound/memalloc.h b/include/sound/memalloc.h index cf15b8213df7..54aff2d73150 100644 --- a/include/sound/memalloc.h +++ b/include/sound/memalloc.h @@ -103,7 +103,7 @@ static inline dma_addr_t snd_sgbuf_get_addr(struct snd_dma_buffer *dmab, { struct snd_sg_buf *sgbuf = dmab->private_data; dma_addr_t addr = sgbuf->table[offset >> PAGE_SHIFT].addr; - addr &= PAGE_MASK; + addr &= ~((dma_addr_t)PAGE_SIZE - 1); return addr + offset % PAGE_SIZE; } diff --git a/include/target/target_core_base.h b/include/target/target_core_base.h index 4ea4f985f394..7d99c0b5b789 100644 --- a/include/target/target_core_base.h +++ b/include/target/target_core_base.h @@ -614,6 +614,7 @@ struct se_dev_attrib { u32 unmap_granularity; u32 unmap_granularity_alignment; u32 max_write_same_len; + u32 max_bytes_per_io; struct se_device *da_dev; struct config_group da_group; }; diff --git a/include/uapi/sound/compress_offload.h b/include/uapi/sound/compress_offload.h index d630163b9a2e..5759810e1c1b 100644 --- a/include/uapi/sound/compress_offload.h +++ b/include/uapi/sound/compress_offload.h @@ -30,7 +30,7 @@ #include <sound/compress_params.h> -#define SNDRV_COMPRESS_VERSION SNDRV_PROTOCOL_VERSION(0, 1, 1) +#define SNDRV_COMPRESS_VERSION SNDRV_PROTOCOL_VERSION(0, 1, 2) /** * struct snd_compressed_buffer: compressed buffer * @fragment_size: size of buffer fragment in bytes @@ -67,8 +67,8 @@ struct snd_compr_params { struct snd_compr_tstamp { __u32 byte_offset; __u32 copied_total; - snd_pcm_uframes_t pcm_frames; - snd_pcm_uframes_t pcm_io_frames; + __u32 pcm_frames; + __u32 pcm_io_frames; __u32 sampling_rate; }; diff --git a/ipc/mq_sysctl.c b/ipc/mq_sysctl.c index 383d638340b8..5bb8bfe67149 100644 --- a/ipc/mq_sysctl.c +++ b/ipc/mq_sysctl.c @@ -22,6 +22,16 @@ static void *get_mq(ctl_table *table) return which; } +static int proc_mq_dointvec(ctl_table *table, int write, + void __user *buffer, size_t *lenp, loff_t *ppos) +{ + struct ctl_table mq_table; + memcpy(&mq_table, table, sizeof(mq_table)); + mq_table.data = get_mq(table); + + return proc_dointvec(&mq_table, write, buffer, lenp, ppos); +} + static int proc_mq_dointvec_minmax(ctl_table *table, int write, void __user *buffer, size_t *lenp, loff_t *ppos) { @@ -33,12 +43,10 @@ static int proc_mq_dointvec_minmax(ctl_table *table, int write, lenp, ppos); } #else +#define proc_mq_dointvec NULL #define proc_mq_dointvec_minmax NULL #endif -static int msg_queues_limit_min = MIN_QUEUESMAX; -static int msg_queues_limit_max = HARD_QUEUESMAX; - static int msg_max_limit_min = MIN_MSGMAX; static int msg_max_limit_max = HARD_MSGMAX; @@ -51,9 +59,7 @@ static ctl_table mq_sysctls[] = { .data = &init_ipc_ns.mq_queues_max, .maxlen = sizeof(int), .mode = 0644, - .proc_handler = proc_mq_dointvec_minmax, - .extra1 = &msg_queues_limit_min, - .extra2 = &msg_queues_limit_max, + .proc_handler = proc_mq_dointvec, }, { .procname = "msg_max", diff --git a/ipc/mqueue.c b/ipc/mqueue.c index ae1996d3c539..bb0248fc5187 100644 --- a/ipc/mqueue.c +++ b/ipc/mqueue.c @@ -433,9 +433,9 @@ static int mqueue_create(struct inode *dir, struct dentry *dentry, error = -EACCES; goto out_unlock; } - if (ipc_ns->mq_queues_count >= HARD_QUEUESMAX || - (ipc_ns->mq_queues_count >= ipc_ns->mq_queues_max && - !capable(CAP_SYS_RESOURCE))) { + + if (ipc_ns->mq_queues_count >= ipc_ns->mq_queues_max && + !capable(CAP_SYS_RESOURCE)) { error = -ENOSPC; goto out_unlock; } diff --git a/kernel/audit.c b/kernel/audit.c index 7ddfd8a00a2a..6def25f1b351 100644 --- a/kernel/audit.c +++ b/kernel/audit.c @@ -103,7 +103,8 @@ static int audit_rate_limit; /* Number of outstanding audit_buffers allowed. */ static int audit_backlog_limit = 64; -static int audit_backlog_wait_time = 60 * HZ; +#define AUDIT_BACKLOG_WAIT_TIME (60 * HZ) +static int audit_backlog_wait_time = AUDIT_BACKLOG_WAIT_TIME; static int audit_backlog_wait_overflow = 0; /* The identity of the user shutting down the audit system. */ @@ -1135,6 +1136,8 @@ struct audit_buffer *audit_log_start(struct audit_context *ctx, gfp_t gfp_mask, return NULL; } + audit_backlog_wait_time = AUDIT_BACKLOG_WAIT_TIME; + ab = audit_buffer_alloc(ctx, gfp_mask, type); if (!ab) { audit_log_lost("out of memory in audit_log_start"); diff --git a/kernel/events/core.c b/kernel/events/core.c index e76e4959908c..f8eb2b154bdb 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -7421,14 +7421,14 @@ static void perf_pmu_rotate_stop(struct pmu *pmu) static void __perf_event_exit_context(void *__info) { struct perf_event_context *ctx = __info; - struct perf_event *event, *tmp; + struct perf_event *event; perf_pmu_rotate_stop(ctx->pmu); - list_for_each_entry_safe(event, tmp, &ctx->pinned_groups, group_entry) - __perf_remove_from_context(event); - list_for_each_entry_safe(event, tmp, &ctx->flexible_groups, group_entry) + rcu_read_lock(); + list_for_each_entry_rcu(event, &ctx->event_list, event_entry) __perf_remove_from_context(event); + rcu_read_unlock(); } static void perf_event_exit_cpu_context(int cpu) @@ -7452,11 +7452,11 @@ static void perf_event_exit_cpu(int cpu) { struct swevent_htable *swhash = &per_cpu(swevent_htable, cpu); + perf_event_exit_cpu_context(cpu); + mutex_lock(&swhash->hlist_mutex); swevent_hlist_release(swhash); mutex_unlock(&swhash->hlist_mutex); - - perf_event_exit_cpu_context(cpu); } #else static inline void perf_event_exit_cpu(int cpu) { } diff --git a/kernel/fork.c b/kernel/fork.c index f9a15a265444..0aa1bb5c8d6e 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -560,6 +560,7 @@ static struct mm_struct *mm_init(struct mm_struct *mm, struct task_struct *p) mm->cached_hole_size = ~0UL; mm_init_aio(mm); mm_init_owner(mm, p); + clear_tlb_flush_pending(mm); if (likely(!mm_alloc_pgd(mm))) { mm->def_flags = 0; diff --git a/kernel/freezer.c b/kernel/freezer.c index b462fa197517..aa6a8aadb911 100644 --- a/kernel/freezer.c +++ b/kernel/freezer.c @@ -19,6 +19,12 @@ EXPORT_SYMBOL(system_freezing_cnt); bool pm_freezing; bool pm_nosig_freezing; +/* + * Temporary export for the deadlock workaround in ata_scsi_hotplug(). + * Remove once the hack becomes unnecessary. + */ +EXPORT_SYMBOL_GPL(pm_freezing); + /* protects freezing and frozen transitions */ static DEFINE_SPINLOCK(freezer_lock); diff --git a/kernel/futex.c b/kernel/futex.c index c3a1a55a5214..221a58fc62f7 100644 --- a/kernel/futex.c +++ b/kernel/futex.c @@ -288,7 +288,7 @@ again: put_page(page); /* serialize against __split_huge_page_splitting() */ local_irq_disable(); - if (likely(__get_user_pages_fast(address, 1, 1, &page) == 1)) { + if (likely(__get_user_pages_fast(address, 1, !ro, &page) == 1)) { page_head = compound_head(page); /* * page_head is valid pointer but we must pin diff --git a/kernel/irq/irqdesc.c b/kernel/irq/irqdesc.c index 192a302d6cfd..8ab8e9390297 100644 --- a/kernel/irq/irqdesc.c +++ b/kernel/irq/irqdesc.c @@ -274,6 +274,7 @@ struct irq_desc *irq_to_desc(unsigned int irq) { return (irq < NR_IRQS) ? irq_desc + irq : NULL; } +EXPORT_SYMBOL(irq_to_desc); static void free_desc(unsigned int irq) { diff --git a/kernel/kexec.c b/kernel/kexec.c index 59f7b55ba745..1f8d9382dbac 100644 --- a/kernel/kexec.c +++ b/kernel/kexec.c @@ -47,6 +47,9 @@ u32 vmcoreinfo_note[VMCOREINFO_NOTE_SIZE/4]; size_t vmcoreinfo_size; size_t vmcoreinfo_max_size = sizeof(vmcoreinfo_data); +/* Flag to indicate we are going to kexec a new kernel */ +bool kexec_in_progress = false; + /* Location of the reserved area for the crash kernel */ struct resource crashk_res = { .name = "Crash kernel", @@ -1678,6 +1681,7 @@ int kernel_kexec(void) } else #endif { + kexec_in_progress = true; kernel_restart_prepare(NULL); printk(KERN_EMERG "Starting new kernel\n"); machine_shutdown(); diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 825447720620..960acc06a818 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -1499,7 +1499,13 @@ try_to_wake_up(struct task_struct *p, unsigned int state, int wake_flags) unsigned long flags; int cpu, success = 0; - smp_wmb(); + /* + * If we are going to wake up a thread waiting for CONDITION we + * need to ensure that CONDITION=1 done by the caller can not be + * reordered with p->state check below. This pairs with mb() in + * set_current_state() the waiting thread does. + */ + smp_mb__before_spinlock(); raw_spin_lock_irqsave(&p->pi_lock, flags); if (!(p->state & state)) goto out; @@ -3007,6 +3013,12 @@ need_resched: if (sched_feat(HRTICK)) hrtick_clear(rq); + /* + * Make sure that signal_pending_state()->signal_pending() below + * can't be reordered with __set_current_state(TASK_INTERRUPTIBLE) + * done by the caller to avoid the race with signal_wake_up(). + */ + smp_mb__before_spinlock(); raw_spin_lock_irq(&rq->lock); switch_count = &prev->nivcsw; @@ -7876,7 +7888,12 @@ static int tg_set_cfs_bandwidth(struct task_group *tg, u64 period, u64 quota) runtime_enabled = quota != RUNTIME_INF; runtime_was_enabled = cfs_b->quota != RUNTIME_INF; - account_cfs_bandwidth_used(runtime_enabled, runtime_was_enabled); + /* + * If we need to toggle cfs_bandwidth_used, off->on must occur + * before making related changes, and on->off must occur afterwards + */ + if (runtime_enabled && !runtime_was_enabled) + cfs_bandwidth_usage_inc(); raw_spin_lock_irq(&cfs_b->lock); cfs_b->period = ns_to_ktime(period); cfs_b->quota = quota; @@ -7902,6 +7919,8 @@ static int tg_set_cfs_bandwidth(struct task_group *tg, u64 period, u64 quota) unthrottle_cfs_rq(cfs_rq); raw_spin_unlock_irq(&rq->lock); } + if (runtime_was_enabled && !runtime_enabled) + cfs_bandwidth_usage_dec(); out_unlock: mutex_unlock(&cfs_constraints_mutex); diff --git a/kernel/sched/debug.c b/kernel/sched/debug.c index 068ad55aa641..b38d50312e25 100644 --- a/kernel/sched/debug.c +++ b/kernel/sched/debug.c @@ -224,6 +224,14 @@ void print_cfs_rq(struct seq_file *m, int cpu, struct cfs_rq *cfs_rq) SEQ_printf(m, " .%-30s: %d\n", "tg->runnable_avg", atomic_read(&cfs_rq->tg->runnable_avg)); #endif +#ifdef CONFIG_CFS_BANDWIDTH + SEQ_printf(m, " .%-30s: %d\n", "tg->cfs_bandwidth.timer_active", + cfs_rq->tg->cfs_bandwidth.timer_active); + SEQ_printf(m, " .%-30s: %d\n", "throttled", + cfs_rq->throttled); + SEQ_printf(m, " .%-30s: %d\n", "throttle_count", + cfs_rq->throttle_count); +#endif print_cfs_group_stats(m, cpu, cfs_rq->tg); #endif diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index 009a62bb859d..305ef886219e 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -936,6 +936,13 @@ void task_numa_work(struct callback_head *work) if (vma->vm_end - vma->vm_start < HPAGE_SIZE) continue; + /* + * Skip inaccessible VMAs to avoid any confusion between + * PROT_NONE and NUMA hinting ptes + */ + if (!(vma->vm_flags & (VM_READ | VM_EXEC | VM_WRITE))) + continue; + do { start = max(start, vma->vm_start); end = ALIGN(start + (pages << PAGE_SHIFT), HPAGE_SIZE); @@ -2022,13 +2029,14 @@ static inline bool cfs_bandwidth_used(void) return static_key_false(&__cfs_bandwidth_used); } -void account_cfs_bandwidth_used(int enabled, int was_enabled) +void cfs_bandwidth_usage_inc(void) +{ + static_key_slow_inc(&__cfs_bandwidth_used); +} + +void cfs_bandwidth_usage_dec(void) { - /* only need to count groups transitioning between enabled/!enabled */ - if (enabled && !was_enabled) - static_key_slow_inc(&__cfs_bandwidth_used); - else if (!enabled && was_enabled) - static_key_slow_dec(&__cfs_bandwidth_used); + static_key_slow_dec(&__cfs_bandwidth_used); } #else /* HAVE_JUMP_LABEL */ static bool cfs_bandwidth_used(void) @@ -2036,7 +2044,8 @@ static bool cfs_bandwidth_used(void) return true; } -void account_cfs_bandwidth_used(int enabled, int was_enabled) {} +void cfs_bandwidth_usage_inc(void) {} +void cfs_bandwidth_usage_dec(void) {} #endif /* HAVE_JUMP_LABEL */ /* @@ -2288,6 +2297,8 @@ static void throttle_cfs_rq(struct cfs_rq *cfs_rq) cfs_rq->throttled_clock = rq->clock; raw_spin_lock(&cfs_b->lock); list_add_tail_rcu(&cfs_rq->throttled_list, &cfs_b->throttled_cfs_rq); + if (!cfs_b->timer_active) + __start_cfs_bandwidth(cfs_b); raw_spin_unlock(&cfs_b->lock); } @@ -2399,6 +2410,13 @@ static int do_sched_cfs_period_timer(struct cfs_bandwidth *cfs_b, int overrun) if (idle) goto out_unlock; + /* + * if we have relooped after returning idle once, we need to update our + * status as actually running, so that other cpus doing + * __start_cfs_bandwidth will stop trying to cancel us. + */ + cfs_b->timer_active = 1; + __refill_cfs_bandwidth_runtime(cfs_b); if (!throttled) { @@ -2459,7 +2477,13 @@ static const u64 min_bandwidth_expiration = 2 * NSEC_PER_MSEC; /* how long we wait to gather additional slack before distributing */ static const u64 cfs_bandwidth_slack_period = 5 * NSEC_PER_MSEC; -/* are we near the end of the current quota period? */ +/* + * Are we near the end of the current quota period? + * + * Requires cfs_b->lock for hrtimer_expires_remaining to be safe against the + * hrtimer base being cleared by __hrtimer_start_range_ns. In the case of + * migrate_hrtimers, base is never cleared, so we are fine. + */ static int runtime_refresh_within(struct cfs_bandwidth *cfs_b, u64 min_expire) { struct hrtimer *refresh_timer = &cfs_b->period_timer; @@ -2535,10 +2559,12 @@ static void do_sched_cfs_slack_timer(struct cfs_bandwidth *cfs_b) u64 expires; /* confirm we're still not at a refresh boundary */ - if (runtime_refresh_within(cfs_b, min_bandwidth_expiration)) + raw_spin_lock(&cfs_b->lock); + if (runtime_refresh_within(cfs_b, min_bandwidth_expiration)) { + raw_spin_unlock(&cfs_b->lock); return; + } - raw_spin_lock(&cfs_b->lock); if (cfs_b->quota != RUNTIME_INF && cfs_b->runtime > slice) { runtime = cfs_b->runtime; cfs_b->runtime = 0; @@ -2663,11 +2689,11 @@ void __start_cfs_bandwidth(struct cfs_bandwidth *cfs_b) * (timer_active==0 becomes visible before the hrtimer call-back * terminates). In either case we ensure that it's re-programmed */ - while (unlikely(hrtimer_active(&cfs_b->period_timer))) { + while (unlikely(hrtimer_active(&cfs_b->period_timer)) && + hrtimer_try_to_cancel(&cfs_b->period_timer) < 0) { + /* bounce the lock to allow do_sched_cfs_period_timer to run */ raw_spin_unlock(&cfs_b->lock); - /* ensure cfs_b->lock is available while we wait */ - hrtimer_cancel(&cfs_b->period_timer); - + cpu_relax(); raw_spin_lock(&cfs_b->lock); /* if someone else restarted the timer then we're done */ if (cfs_b->timer_active) @@ -6065,7 +6091,8 @@ void init_tg_cfs_entry(struct task_group *tg, struct cfs_rq *cfs_rq, se->cfs_rq = parent->my_q; se->my_q = cfs_rq; - update_load_set(&se->load, 0); + /* guarantee group entities always have weight */ + update_load_set(&se->load, NICE_0_LOAD); se->parent = parent; } diff --git a/kernel/sched/rt.c b/kernel/sched/rt.c index 111539a27757..8f4243e73423 100644 --- a/kernel/sched/rt.c +++ b/kernel/sched/rt.c @@ -924,6 +924,13 @@ inc_rt_prio_smp(struct rt_rq *rt_rq, int prio, int prev_prio) { struct rq *rq = rq_of_rt_rq(rt_rq); +#ifdef CONFIG_RT_GROUP_SCHED + /* + * Change rq's cpupri only if rt_rq is the top queue. + */ + if (&rq->rt != rt_rq) + return; +#endif if (rq->online && prio < prev_prio) cpupri_set(&rq->rd->cpupri, rq->cpu, prio); } @@ -933,6 +940,13 @@ dec_rt_prio_smp(struct rt_rq *rt_rq, int prio, int prev_prio) { struct rq *rq = rq_of_rt_rq(rt_rq); +#ifdef CONFIG_RT_GROUP_SCHED + /* + * Change rq's cpupri only if rt_rq is the top queue. + */ + if (&rq->rt != rt_rq) + return; +#endif if (rq->online && rt_rq->highest_prio.curr != prev_prio) cpupri_set(&rq->rd->cpupri, rq->cpu, rt_rq->highest_prio.curr); } diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h index 0fc275c70d7d..aa23bd2294e7 100644 --- a/kernel/sched/sched.h +++ b/kernel/sched/sched.h @@ -1354,7 +1354,8 @@ extern void print_rt_stats(struct seq_file *m, int cpu); extern void init_cfs_rq(struct cfs_rq *cfs_rq); extern void init_rt_rq(struct rt_rq *rt_rq, struct rq *rq); -extern void account_cfs_bandwidth_used(int enabled, int was_enabled); +extern void cfs_bandwidth_usage_inc(void); +extern void cfs_bandwidth_usage_dec(void); #ifdef CONFIG_NO_HZ_COMMON enum rq_nohz_flag_bits { diff --git a/kernel/time/jiffies.c b/kernel/time/jiffies.c index 7a925ba456fb..a6a5bf53e86d 100644 --- a/kernel/time/jiffies.c +++ b/kernel/time/jiffies.c @@ -51,7 +51,13 @@ * HZ shrinks, so values greater than 8 overflow 32bits when * HZ=100. */ +#if HZ < 34 +#define JIFFIES_SHIFT 6 +#elif HZ < 67 +#define JIFFIES_SHIFT 7 +#else #define JIFFIES_SHIFT 8 +#endif static cycle_t jiffies_read(struct clocksource *cs) { diff --git a/kernel/time/tick-broadcast.c b/kernel/time/tick-broadcast.c index 52d4827cf2d4..f681da32a2ff 100644 --- a/kernel/time/tick-broadcast.c +++ b/kernel/time/tick-broadcast.c @@ -745,6 +745,7 @@ out: static void tick_broadcast_clear_oneshot(int cpu) { cpumask_clear_cpu(cpu, tick_broadcast_oneshot_mask); + cpumask_clear_cpu(cpu, tick_broadcast_pending_mask); } static void tick_broadcast_init_next_event(struct cpumask *mask, diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c index 14e2703d32e2..220774cf4aec 100644 --- a/kernel/time/timekeeping.c +++ b/kernel/time/timekeeping.c @@ -72,7 +72,7 @@ static void tk_set_wall_to_mono(struct timekeeper *tk, struct timespec wtm) tk->wall_to_monotonic = wtm; set_normalized_timespec(&tmp, -wtm.tv_sec, -wtm.tv_nsec); tk->offs_real = timespec_to_ktime(tmp); - tk->offs_tai = ktime_sub(tk->offs_real, ktime_set(tk->tai_offset, 0)); + tk->offs_tai = ktime_add(tk->offs_real, ktime_set(tk->tai_offset, 0)); } static void tk_set_sleep_time(struct timekeeper *tk, struct timespec t) @@ -590,7 +590,7 @@ s32 timekeeping_get_tai_offset(void) static void __timekeeping_set_tai_offset(struct timekeeper *tk, s32 tai_offset) { tk->tai_offset = tai_offset; - tk->offs_tai = ktime_sub(tk->offs_real, ktime_set(tai_offset, 0)); + tk->offs_tai = ktime_add(tk->offs_real, ktime_set(tai_offset, 0)); } /** @@ -605,6 +605,7 @@ void timekeeping_set_tai_offset(s32 tai_offset) raw_spin_lock_irqsave(&timekeeper_lock, flags); write_seqcount_begin(&timekeeper_seq); __timekeeping_set_tai_offset(tk, tai_offset); + timekeeping_update(tk, false, true); write_seqcount_end(&timekeeper_seq); raw_spin_unlock_irqrestore(&timekeeper_lock, flags); clock_was_set(); @@ -1007,6 +1008,8 @@ static int timekeeping_suspend(void) timekeeping_suspend_time = timespec_add(timekeeping_suspend_time, delta_delta); } + + timekeeping_update(tk, false, true); write_seqcount_end(&timekeeper_seq); raw_spin_unlock_irqrestore(&timekeeper_lock, flags); @@ -1236,9 +1239,10 @@ out_adjust: * It also calls into the NTP code to handle leapsecond processing. * */ -static inline void accumulate_nsecs_to_secs(struct timekeeper *tk) +static inline unsigned int accumulate_nsecs_to_secs(struct timekeeper *tk) { u64 nsecps = (u64)NSEC_PER_SEC << tk->shift; + unsigned int clock_set = 0; while (tk->xtime_nsec >= nsecps) { int leap; @@ -1260,9 +1264,10 @@ static inline void accumulate_nsecs_to_secs(struct timekeeper *tk) __timekeeping_set_tai_offset(tk, tk->tai_offset - leap); - clock_was_set_delayed(); + clock_set = 1; } } + return clock_set; } /** @@ -1275,7 +1280,8 @@ static inline void accumulate_nsecs_to_secs(struct timekeeper *tk) * Returns the unconsumed cycles. */ static cycle_t logarithmic_accumulation(struct timekeeper *tk, cycle_t offset, - u32 shift) + u32 shift, + unsigned int *clock_set) { cycle_t interval = tk->cycle_interval << shift; u64 raw_nsecs; @@ -1289,7 +1295,7 @@ static cycle_t logarithmic_accumulation(struct timekeeper *tk, cycle_t offset, tk->cycle_last += interval; tk->xtime_nsec += tk->xtime_interval << shift; - accumulate_nsecs_to_secs(tk); + *clock_set |= accumulate_nsecs_to_secs(tk); /* Accumulate raw time */ raw_nsecs = (u64)tk->raw_interval << shift; @@ -1347,6 +1353,7 @@ static void update_wall_time(void) struct timekeeper *tk = &shadow_timekeeper; cycle_t offset; int shift = 0, maxshift; + unsigned int clock_set = 0; unsigned long flags; raw_spin_lock_irqsave(&timekeeper_lock, flags); @@ -1381,7 +1388,8 @@ static void update_wall_time(void) maxshift = (64 - (ilog2(ntp_tick_length())+1)) - 1; shift = min(shift, maxshift); while (offset >= tk->cycle_interval) { - offset = logarithmic_accumulation(tk, offset, shift); + offset = logarithmic_accumulation(tk, offset, shift, + &clock_set); if (offset < tk->cycle_interval<<shift) shift--; } @@ -1399,7 +1407,7 @@ static void update_wall_time(void) * Finally, make sure that after the rounding * xtime_nsec isn't larger than NSEC_PER_SEC */ - accumulate_nsecs_to_secs(tk); + clock_set |= accumulate_nsecs_to_secs(tk); write_seqcount_begin(&timekeeper_seq); /* Update clock->cycle_last with the new value */ @@ -1419,6 +1427,10 @@ static void update_wall_time(void) write_seqcount_end(&timekeeper_seq); out: raw_spin_unlock_irqrestore(&timekeeper_lock, flags); + if (clock_set) + /* have to call outside the timekeeper_seq */ + clock_was_set_delayed(); + } /** @@ -1678,11 +1690,14 @@ int do_adjtimex(struct timex *txc) if (tai != orig_tai) { __timekeeping_set_tai_offset(tk, tai); - clock_was_set_delayed(); + timekeeping_update(tk, false, true); } write_seqcount_end(&timekeeper_seq); raw_spin_unlock_irqrestore(&timekeeper_lock, flags); + if (tai != orig_tai) + clock_was_set(); + ntp_notify_cmos_timer(); return ret; diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c index 331c102177a6..4b93b8412252 100644 --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -85,6 +85,8 @@ int function_trace_stop __read_mostly; /* Current function tracing op */ struct ftrace_ops *function_trace_op __read_mostly = &ftrace_list_end; +/* What to set function_trace_op to */ +static struct ftrace_ops *set_function_trace_op; /* List for set_ftrace_pid's pids. */ LIST_HEAD(ftrace_pids); @@ -278,6 +280,29 @@ static void update_global_ops(void) global_ops.func = func; } +static void ftrace_sync(struct work_struct *work) +{ + /* + * This function is just a stub to implement a hard force + * of synchronize_sched(). This requires synchronizing + * tasks even in userspace and idle. + * + * Yes, function tracing is rude. + */ +} + +static void ftrace_sync_ipi(void *data) +{ + /* Probably not needed, but do it anyway */ + smp_rmb(); +} + +#ifdef CONFIG_FUNCTION_GRAPH_TRACER +static void update_function_graph_func(void); +#else +static inline void update_function_graph_func(void) { } +#endif + static void update_ftrace_function(void) { ftrace_func_t func; @@ -296,16 +321,61 @@ static void update_ftrace_function(void) !FTRACE_FORCE_LIST_FUNC)) { /* Set the ftrace_ops that the arch callback uses */ if (ftrace_ops_list == &global_ops) - function_trace_op = ftrace_global_list; + set_function_trace_op = ftrace_global_list; else - function_trace_op = ftrace_ops_list; + set_function_trace_op = ftrace_ops_list; func = ftrace_ops_list->func; } else { /* Just use the default ftrace_ops */ - function_trace_op = &ftrace_list_end; + set_function_trace_op = &ftrace_list_end; func = ftrace_ops_list_func; } + /* If there's no change, then do nothing more here */ + if (ftrace_trace_function == func) + return; + + update_function_graph_func(); + + /* + * If we are using the list function, it doesn't care + * about the function_trace_ops. + */ + if (func == ftrace_ops_list_func) { + ftrace_trace_function = func; + /* + * Don't even bother setting function_trace_ops, + * it would be racy to do so anyway. + */ + return; + } + +#ifndef CONFIG_DYNAMIC_FTRACE + /* + * For static tracing, we need to be a bit more careful. + * The function change takes affect immediately. Thus, + * we need to coorditate the setting of the function_trace_ops + * with the setting of the ftrace_trace_function. + * + * Set the function to the list ops, which will call the + * function we want, albeit indirectly, but it handles the + * ftrace_ops and doesn't depend on function_trace_op. + */ + ftrace_trace_function = ftrace_ops_list_func; + /* + * Make sure all CPUs see this. Yes this is slow, but static + * tracing is slow and nasty to have enabled. + */ + schedule_on_each_cpu(ftrace_sync); + /* Now all cpus are using the list ops. */ + function_trace_op = set_function_trace_op; + /* Make sure the function_trace_op is visible on all CPUs */ + smp_wmb(); + /* Nasty way to force a rmb on all cpus */ + smp_call_function(ftrace_sync_ipi, NULL, 1); + /* OK, we are all set to update the ftrace_trace_function now! */ +#endif /* !CONFIG_DYNAMIC_FTRACE */ + ftrace_trace_function = func; } @@ -428,16 +498,6 @@ static int __unregister_ftrace_function(struct ftrace_ops *ops) } else if (ops->flags & FTRACE_OPS_FL_CONTROL) { ret = remove_ftrace_list_ops(&ftrace_control_list, &control_ops, ops); - if (!ret) { - /* - * The ftrace_ops is now removed from the list, - * so there'll be no new users. We must ensure - * all current users are done before we free - * the control data. - */ - synchronize_sched(); - control_ops_free(ops); - } } else ret = remove_ftrace_ops(&ftrace_ops_list, ops); @@ -447,13 +507,6 @@ static int __unregister_ftrace_function(struct ftrace_ops *ops) if (ftrace_enabled) update_ftrace_function(); - /* - * Dynamic ops may be freed, we must make sure that all - * callers are done before leaving this function. - */ - if (ops->flags & FTRACE_OPS_FL_DYNAMIC) - synchronize_sched(); - return 0; } @@ -750,7 +803,7 @@ static int ftrace_profile_init(void) int cpu; int ret = 0; - for_each_online_cpu(cpu) { + for_each_possible_cpu(cpu) { ret = ftrace_profile_init_cpu(cpu); if (ret) break; @@ -1952,8 +2005,14 @@ void ftrace_modify_all_code(int command) else if (command & FTRACE_DISABLE_CALLS) ftrace_replace_code(0); - if (command & FTRACE_UPDATE_TRACE_FUNC) + if (command & FTRACE_UPDATE_TRACE_FUNC) { + function_trace_op = set_function_trace_op; + smp_wmb(); + /* If irqs are disabled, we are in stop machine */ + if (!irqs_disabled()) + smp_call_function(ftrace_sync_ipi, NULL, 1); ftrace_update_ftrace_func(ftrace_trace_function); + } if (command & FTRACE_START_FUNC_RET) ftrace_enable_ftrace_graph_caller(); @@ -2116,10 +2175,41 @@ static int ftrace_shutdown(struct ftrace_ops *ops, int command) command |= FTRACE_UPDATE_TRACE_FUNC; } - if (!command || !ftrace_enabled) + if (!command || !ftrace_enabled) { + /* + * If these are control ops, they still need their + * per_cpu field freed. Since, function tracing is + * not currently active, we can just free them + * without synchronizing all CPUs. + */ + if (ops->flags & FTRACE_OPS_FL_CONTROL) + control_ops_free(ops); return 0; + } ftrace_run_update_code(command); + + /* + * Dynamic ops may be freed, we must make sure that all + * callers are done before leaving this function. + * The same goes for freeing the per_cpu data of the control + * ops. + * + * Again, normal synchronize_sched() is not good enough. + * We need to do a hard force of sched synchronization. + * This is because we use preempt_disable() to do RCU, but + * the function tracers can be called where RCU is not watching + * (like before user_exit()). We can not rely on the RCU + * infrastructure to do the synchronization, thus we must do it + * ourselves. + */ + if (ops->flags & (FTRACE_OPS_FL_DYNAMIC | FTRACE_OPS_FL_CONTROL)) { + schedule_on_each_cpu(ftrace_sync); + + if (ops->flags & FTRACE_OPS_FL_CONTROL) + control_ops_free(ops); + } + return 0; } @@ -4728,6 +4818,7 @@ int ftrace_graph_entry_stub(struct ftrace_graph_ent *trace) trace_func_graph_ret_t ftrace_graph_return = (trace_func_graph_ret_t)ftrace_stub; trace_func_graph_ent_t ftrace_graph_entry = ftrace_graph_entry_stub; +static trace_func_graph_ent_t __ftrace_graph_entry = ftrace_graph_entry_stub; /* Try to assign a return stack array on FTRACE_RETSTACK_ALLOC_SIZE tasks. */ static int alloc_retstack_tasklist(struct ftrace_ret_stack **ret_stack_list) @@ -4869,6 +4960,30 @@ static struct ftrace_ops fgraph_ops __read_mostly = { FTRACE_OPS_FL_RECURSION_SAFE, }; +static int ftrace_graph_entry_test(struct ftrace_graph_ent *trace) +{ + if (!ftrace_ops_test(&global_ops, trace->func, NULL)) + return 0; + return __ftrace_graph_entry(trace); +} + +/* + * The function graph tracer should only trace the functions defined + * by set_ftrace_filter and set_ftrace_notrace. If another function + * tracer ops is registered, the graph tracer requires testing the + * function against the global ops, and not just trace any function + * that any ftrace_ops registered. + */ +static void update_function_graph_func(void) +{ + if (ftrace_ops_list == &ftrace_list_end || + (ftrace_ops_list == &global_ops && + global_ops.next == &ftrace_list_end)) + ftrace_graph_entry = __ftrace_graph_entry; + else + ftrace_graph_entry = ftrace_graph_entry_test; +} + int register_ftrace_graph(trace_func_graph_ret_t retfunc, trace_func_graph_ent_t entryfunc) { @@ -4893,7 +5008,16 @@ int register_ftrace_graph(trace_func_graph_ret_t retfunc, } ftrace_graph_return = retfunc; - ftrace_graph_entry = entryfunc; + + /* + * Update the indirect function to the entryfunc, and the + * function that gets called to the entry_test first. Then + * call the update fgraph entry function to determine if + * the entryfunc should be called directly or not. + */ + __ftrace_graph_entry = entryfunc; + ftrace_graph_entry = ftrace_graph_entry_test; + update_function_graph_func(); ret = ftrace_startup(&fgraph_ops, FTRACE_START_FUNC_RET); @@ -4912,6 +5036,7 @@ void unregister_ftrace_graph(void) ftrace_graph_active--; ftrace_graph_return = (trace_func_graph_ret_t)ftrace_stub; ftrace_graph_entry = ftrace_graph_entry_stub; + __ftrace_graph_entry = ftrace_graph_entry_stub; ftrace_shutdown(&fgraph_ops, FTRACE_STOP_FUNC_RET); unregister_pm_notifier(&ftrace_suspend_notifier); unregister_trace_sched_switch(ftrace_graph_probe_sched_switch, NULL); diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c index e444ff88f0a4..fd12cc56371f 100644 --- a/kernel/trace/ring_buffer.c +++ b/kernel/trace/ring_buffer.c @@ -2396,6 +2396,13 @@ __rb_reserve_next(struct ring_buffer_per_cpu *cpu_buffer, write &= RB_WRITE_MASK; tail = write - length; + /* + * If this is the first commit on the page, then it has the same + * timestamp as the page itself. + */ + if (!tail) + delta = 0; + /* See if we shot pass the end of this buffer page */ if (unlikely(write > BUF_PAGE_SIZE)) return rb_move_tail(cpu_buffer, length, tail, diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index 3abfc7b31afb..4c41e22f162b 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -424,6 +424,9 @@ int __trace_puts(unsigned long ip, const char *str, int size) unsigned long irq_flags; int alloc; + if (unlikely(tracing_selftest_running || tracing_disabled)) + return 0; + alloc = sizeof(*entry) + size + 2; /* possible \n added */ local_save_flags(irq_flags); @@ -464,6 +467,9 @@ int __trace_bputs(unsigned long ip, const char *str) unsigned long irq_flags; int size = sizeof(struct bputs_entry); + if (unlikely(tracing_selftest_running || tracing_disabled)) + return 0; + local_save_flags(irq_flags); buffer = global_trace.trace_buffer.buffer; event = trace_buffer_lock_reserve(buffer, TRACE_BPUTS, size, @@ -5969,6 +5975,8 @@ allocate_trace_buffer(struct trace_array *tr, struct trace_buffer *buf, int size rb_flags = trace_flags & TRACE_ITER_OVERWRITE ? RB_FL_OVERWRITE : 0; + buf->tr = tr; + buf->buffer = ring_buffer_alloc(size, rb_flags); if (!buf->buffer) return -ENOMEM; diff --git a/kernel/workqueue.c b/kernel/workqueue.c index 68086a34b8ef..db7a6ac7c0a8 100644 --- a/kernel/workqueue.c +++ b/kernel/workqueue.c @@ -1823,6 +1823,12 @@ static void destroy_worker(struct worker *worker) if (worker->flags & WORKER_IDLE) pool->nr_idle--; + /* + * Once WORKER_DIE is set, the kworker may destroy itself at any + * point. Pin to ensure the task stays until we're done with it. + */ + get_task_struct(worker->task); + list_del_init(&worker->entry); worker->flags |= WORKER_DIE; @@ -1831,6 +1837,7 @@ static void destroy_worker(struct worker *worker) spin_unlock_irq(&pool->lock); kthread_stop(worker->task); + put_task_struct(worker->task); kfree(worker); spin_lock_irq(&pool->lock); diff --git a/lib/Makefile b/lib/Makefile index c55a037a354e..9efe480b975e 100644 --- a/lib/Makefile +++ b/lib/Makefile @@ -45,6 +45,7 @@ lib-$(CONFIG_RWSEM_GENERIC_SPINLOCK) += rwsem-spinlock.o lib-$(CONFIG_RWSEM_XCHGADD_ALGORITHM) += rwsem.o lib-$(CONFIG_PERCPU_RWSEM) += percpu-rwsem.o +GCOV_PROFILE_hweight.o := n CFLAGS_hweight.o = $(subst $(quote),,$(CONFIG_ARCH_HWEIGHT_CFLAGS)) obj-$(CONFIG_GENERIC_HWEIGHT) += hweight.o diff --git a/mm/compaction.c b/mm/compaction.c index 05ccb4cc0bdb..9a3e351da29b 100644 --- a/mm/compaction.c +++ b/mm/compaction.c @@ -134,6 +134,10 @@ static void update_pageblock_skip(struct compact_control *cc, bool migrate_scanner) { struct zone *zone = cc->zone; + + if (cc->ignore_skip_hint) + return; + if (!page) return; diff --git a/mm/fremap.c b/mm/fremap.c index 87da3590c61e..1fb6bfe39d8c 100644 --- a/mm/fremap.c +++ b/mm/fremap.c @@ -203,9 +203,10 @@ get_write_lock: if (mapping_cap_account_dirty(mapping)) { unsigned long addr; struct file *file = get_file(vma->vm_file); + /* mmap_region may free vma; grab the info now */ + vm_flags = vma->vm_flags; - addr = mmap_region(file, start, size, - vma->vm_flags, pgoff); + addr = mmap_region(file, start, size, vm_flags, pgoff); fput(file); if (IS_ERR_VALUE(addr)) { err = addr; @@ -213,7 +214,7 @@ get_write_lock: BUG_ON(addr != start); err = 0; } - goto out; + goto out_freed; } mutex_lock(&mapping->i_mmap_mutex); flush_dcache_mmap_lock(mapping); @@ -248,6 +249,7 @@ get_write_lock: out: if (vma) vm_flags = vma->vm_flags; +out_freed: if (likely(!has_write_lock)) up_read(&mm->mmap_sem); else diff --git a/mm/huge_memory.c b/mm/huge_memory.c index c403a74e4bee..eb00e81601a5 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -1166,7 +1166,7 @@ alloc: if (unlikely(!new_page)) { count_vm_event(THP_FAULT_FALLBACK); - if (is_huge_zero_pmd(orig_pmd)) { + if (!page) { ret = do_huge_pmd_wp_zero_page_fallback(mm, vma, address, pmd, orig_pmd, haddr); } else { @@ -1190,7 +1190,7 @@ alloc: goto out; } - if (is_huge_zero_pmd(orig_pmd)) + if (!page) clear_huge_page(new_page, haddr, HPAGE_PMD_NR); else copy_user_huge_page(new_page, page, haddr, vma, HPAGE_PMD_NR); @@ -1215,7 +1215,7 @@ alloc: page_add_new_anon_rmap(new_page, vma, haddr); set_pmd_at(mm, haddr, pmd, entry); update_mmu_cache_pmd(vma, address, pmd); - if (is_huge_zero_pmd(orig_pmd)) { + if (!page) { add_mm_counter(mm, MM_ANONPAGES, HPAGE_PMD_NR); put_huge_zero_page(); } else { @@ -1344,6 +1344,20 @@ int do_huge_pmd_numa_page(struct mm_struct *mm, struct vm_area_struct *vma, goto out_unlock; } + /* Bail if we fail to protect against THP splits for any reason */ + if (unlikely(!anon_vma)) { + put_page(page); + page_nid = -1; + goto clear_pmdnuma; + } + + /* + * The page_table_lock above provides a memory barrier + * with change_protection_range. + */ + if (mm_tlb_flush_pending(mm)) + flush_tlb_range(vma, haddr, haddr + HPAGE_PMD_SIZE); + /* * Migrate the THP to the requested node, returns with page unlocked * and pmd_numa cleared. diff --git a/mm/hugetlb.c b/mm/hugetlb.c index 7c5eb85ec645..aa3b9a63394b 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -21,6 +21,7 @@ #include <linux/rmap.h> #include <linux/swap.h> #include <linux/swapops.h> +#include <linux/page-isolation.h> #include <asm/page.h> #include <asm/pgtable.h> @@ -517,9 +518,15 @@ static struct page *dequeue_huge_page_node(struct hstate *h, int nid) { struct page *page; - if (list_empty(&h->hugepage_freelists[nid])) + list_for_each_entry(page, &h->hugepage_freelists[nid], lru) + if (!is_migrate_isolate_page(page)) + break; + /* + * if 'non-isolated free hugepage' not found on the list, + * the allocation fails. + */ + if (&h->hugepage_freelists[nid] == &page->lru) return NULL; - page = list_entry(h->hugepage_freelists[nid].next, struct page, lru); list_move(&page->lru, &h->hugepage_activelist); set_page_refcounted(page); h->free_huge_pages--; @@ -690,6 +697,23 @@ int PageHuge(struct page *page) } EXPORT_SYMBOL_GPL(PageHuge); +/* + * PageHeadHuge() only returns true for hugetlbfs head page, but not for + * normal or transparent huge pages. + */ +int PageHeadHuge(struct page *page_head) +{ + compound_page_dtor *dtor; + + if (!PageHead(page_head)) + return 0; + + dtor = get_compound_page_dtor(page_head); + + return dtor == free_huge_page; +} +EXPORT_SYMBOL_GPL(PageHeadHuge); + pgoff_t __basepage_index(struct page *page) { struct page *page_head = compound_head(page); diff --git a/mm/memcontrol.c b/mm/memcontrol.c index d8902c85b956..96f5e2d8390a 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -380,7 +380,7 @@ struct mem_cgroup { static size_t memcg_size(void) { return sizeof(struct mem_cgroup) + - nr_node_ids * sizeof(struct mem_cgroup_per_node); + nr_node_ids * sizeof(struct mem_cgroup_per_node *); } /* internal only representation about the status of kmem accounting. */ @@ -1221,7 +1221,7 @@ struct mem_cgroup *mem_cgroup_iter(struct mem_cgroup *root, if (dead_count == iter->last_dead_count) { smp_rmb(); last_visited = iter->last_visited; - if (last_visited && + if (last_visited && last_visited != root && !css_tryget(&last_visited->css)) last_visited = NULL; } @@ -1230,7 +1230,7 @@ struct mem_cgroup *mem_cgroup_iter(struct mem_cgroup *root, memcg = __mem_cgroup_iter_next(root, last_visited); if (reclaim) { - if (last_visited) + if (last_visited && last_visited != root) css_put(&last_visited->css); iter->last_visited = memcg; diff --git a/mm/memory-failure.c b/mm/memory-failure.c index ceb0c7f1932f..e386beefc994 100644 --- a/mm/memory-failure.c +++ b/mm/memory-failure.c @@ -854,14 +854,14 @@ static int page_action(struct page_state *ps, struct page *p, * the pages and send SIGBUS to the processes if the data was dirty. */ static int hwpoison_user_mappings(struct page *p, unsigned long pfn, - int trapno, int flags) + int trapno, int flags, struct page **hpagep) { enum ttu_flags ttu = TTU_UNMAP | TTU_IGNORE_MLOCK | TTU_IGNORE_ACCESS; struct address_space *mapping; LIST_HEAD(tokill); int ret; int kill = 1, forcekill; - struct page *hpage = compound_head(p); + struct page *hpage = *hpagep; struct page *ppage; if (PageReserved(p) || PageSlab(p)) @@ -936,6 +936,21 @@ static int hwpoison_user_mappings(struct page *p, unsigned long pfn, BUG_ON(!PageHWPoison(p)); return SWAP_FAIL; } + /* + * We pinned the head page for hwpoison handling, + * now we split the thp and we are interested in + * the hwpoisoned raw page, so move the refcount + * to it. Similarly, page lock is shifted. + */ + if (hpage != p) { + if (!(flags & MF_COUNT_INCREASED)) { + put_page(hpage); + get_page(p); + } + lock_page(p); + unlock_page(hpage); + *hpagep = p; + } /* THP is split, so ppage should be the real poisoned page. */ ppage = p; } @@ -952,17 +967,11 @@ static int hwpoison_user_mappings(struct page *p, unsigned long pfn, if (kill) collect_procs(ppage, &tokill); - if (hpage != ppage) - lock_page(ppage); - ret = try_to_unmap(ppage, ttu); if (ret != SWAP_SUCCESS) printk(KERN_ERR "MCE %#lx: failed to unmap page (mapcount=%d)\n", pfn, page_mapcount(ppage)); - if (hpage != ppage) - unlock_page(ppage); - /* * Now that the dirty bit has been propagated to the * struct page and all unmaps done we can decide if @@ -1179,8 +1188,12 @@ int memory_failure(unsigned long pfn, int trapno, int flags) /* * Now take care of user space mappings. * Abort on fail: __delete_from_page_cache() assumes unmapped page. + * + * When the raw error page is thp tail page, hpage points to the raw + * page after thp split. */ - if (hwpoison_user_mappings(p, pfn, trapno, flags) != SWAP_SUCCESS) { + if (hwpoison_user_mappings(p, pfn, trapno, flags, &hpage) + != SWAP_SUCCESS) { printk(KERN_ERR "MCE %#lx: cannot unmap page, give up\n", pfn); res = -EBUSY; goto out; @@ -1410,7 +1423,8 @@ static int __get_any_page(struct page *p, unsigned long pfn, int flags) /* * Isolate the page, so that it doesn't get reallocated if it - * was free. + * was free. This flag should be kept set until the source page + * is freed and PG_hwpoison on it is set. */ set_migratetype_isolate(p, true); /* @@ -1433,7 +1447,6 @@ static int __get_any_page(struct page *p, unsigned long pfn, int flags) /* Not a free page */ ret = 1; } - unset_migratetype_isolate(p, MIGRATE_MOVABLE); unlock_memory_hotplug(); return ret; } @@ -1489,12 +1502,17 @@ static int soft_offline_huge_page(struct page *page, int flags) pr_info("soft offline: %#lx: migration failed %d, type %lx\n", pfn, ret, page->flags); } else { - set_page_hwpoison_huge_page(hpage); - dequeue_hwpoisoned_huge_page(hpage); - atomic_long_add(1 << compound_trans_order(hpage), - &num_poisoned_pages); + /* overcommit hugetlb page will be freed to buddy */ + if (PageHuge(page)) { + set_page_hwpoison_huge_page(hpage); + dequeue_hwpoisoned_huge_page(hpage); + atomic_long_add(1 << compound_order(hpage), + &num_poisoned_pages); + } else { + SetPageHWPoison(page); + atomic_long_inc(&num_poisoned_pages); + } } - /* keep elevated page count for bad page */ return ret; } @@ -1559,7 +1577,7 @@ int soft_offline_page(struct page *page, int flags) atomic_long_inc(&num_poisoned_pages); } } - /* keep elevated page count for bad page */ + unset_migratetype_isolate(page, MIGRATE_MOVABLE); return ret; } @@ -1625,7 +1643,22 @@ static int __soft_offline_page(struct page *page, int flags) if (ret > 0) ret = -EIO; } else { + /* + * After page migration succeeds, the source page can + * be trapped in pagevec and actual freeing is delayed. + * Freeing code works differently based on PG_hwpoison, + * so there's a race. We need to make sure that the + * source page should be freed back to buddy before + * setting PG_hwpoison. + */ + if (!is_free_buddy_page(page)) + lru_add_drain_all(); + if (!is_free_buddy_page(page)) + drain_all_pages(); SetPageHWPoison(page); + if (!is_free_buddy_page(page)) + pr_info("soft offline: %#lx: page leaked\n", + pfn); atomic_long_inc(&num_poisoned_pages); } } else { diff --git a/mm/mempolicy.c b/mm/mempolicy.c index 28fb17845f70..763be19461b4 100644 --- a/mm/mempolicy.c +++ b/mm/mempolicy.c @@ -2801,7 +2801,7 @@ int mpol_to_str(char *buffer, int maxlen, struct mempolicy *pol) */ VM_BUG_ON(maxlen < strlen("interleave") + strlen("relative") + 16); - if (!pol || pol == &default_policy) + if (!pol || pol == &default_policy || (pol->flags & MPOL_F_MORON)) mode = MPOL_DEFAULT; else mode = pol->mode; diff --git a/mm/migrate.c b/mm/migrate.c index bf436c15f055..a88c12f2235d 100644 --- a/mm/migrate.c +++ b/mm/migrate.c @@ -1715,7 +1715,8 @@ int migrate_misplaced_transhuge_page(struct mm_struct *mm, putback_lru_page(page); mod_zone_page_state(page_zone(page), NR_ISOLATED_ANON + page_lru, -HPAGE_PMD_NR); - goto out_fail; + + goto out_unlock; } /* @@ -1765,6 +1766,7 @@ out_dropref: set_pmd_at(mm, haddr, pmd, entry); update_mmu_cache_pmd(vma, address, &entry); +out_unlock: unlock_page(page); put_page(page); return 0; diff --git a/mm/mprotect.c b/mm/mprotect.c index 78dba5ccd5b8..6b2403a2f814 100644 --- a/mm/mprotect.c +++ b/mm/mprotect.c @@ -207,6 +207,7 @@ static unsigned long change_protection_range(struct vm_area_struct *vma, BUG_ON(addr >= end); pgd = pgd_offset(mm, addr); flush_cache_range(vma, addr, end); + set_tlb_flush_pending(mm); do { next = pgd_addr_end(addr, end); if (pgd_none_or_clear_bad(pgd)) @@ -218,6 +219,7 @@ static unsigned long change_protection_range(struct vm_area_struct *vma, /* Only flush the TLB if we actually modified any entries: */ if (pages) flush_tlb_range(vma, start, end); + clear_tlb_flush_pending(mm); return pages; } diff --git a/mm/oom_kill.c b/mm/oom_kill.c index 0c9f836fe97d..f22859784ded 100644 --- a/mm/oom_kill.c +++ b/mm/oom_kill.c @@ -170,7 +170,7 @@ unsigned long oom_badness(struct task_struct *p, struct mem_cgroup *memcg, * implementation used by LSMs. */ if (has_capability_noaudit(p, CAP_SYS_ADMIN)) - adj -= 30; + points -= (points * 3) / 100; /* Normalize to oom_score_adj units */ adj *= totalpages / 1000; diff --git a/mm/page-writeback.c b/mm/page-writeback.c index aca4364275b5..73cbc5dc150b 100644 --- a/mm/page-writeback.c +++ b/mm/page-writeback.c @@ -188,6 +188,26 @@ static unsigned long writeout_period_time = 0; * global dirtyable memory first. */ +/** + * zone_dirtyable_memory - number of dirtyable pages in a zone + * @zone: the zone + * + * Returns the zone's number of pages potentially available for dirty + * page cache. This is the base value for the per-zone dirty limits. + */ +static unsigned long zone_dirtyable_memory(struct zone *zone) +{ + unsigned long nr_pages; + + nr_pages = zone_page_state(zone, NR_FREE_PAGES); + nr_pages -= min(nr_pages, zone->dirty_balance_reserve); + + nr_pages += zone_page_state(zone, NR_INACTIVE_FILE); + nr_pages += zone_page_state(zone, NR_ACTIVE_FILE); + + return nr_pages; +} + static unsigned long highmem_dirtyable_memory(unsigned long total) { #ifdef CONFIG_HIGHMEM @@ -195,11 +215,9 @@ static unsigned long highmem_dirtyable_memory(unsigned long total) unsigned long x = 0; for_each_node_state(node, N_HIGH_MEMORY) { - struct zone *z = - &NODE_DATA(node)->node_zones[ZONE_HIGHMEM]; + struct zone *z = &NODE_DATA(node)->node_zones[ZONE_HIGHMEM]; - x += zone_page_state(z, NR_FREE_PAGES) + - zone_reclaimable_pages(z) - z->dirty_balance_reserve; + x += zone_dirtyable_memory(z); } /* * Unreclaimable memory (kernel memory or anonymous memory @@ -235,9 +253,12 @@ static unsigned long global_dirtyable_memory(void) { unsigned long x; - x = global_page_state(NR_FREE_PAGES) + global_reclaimable_pages(); + x = global_page_state(NR_FREE_PAGES); x -= min(x, dirty_balance_reserve); + x += global_page_state(NR_INACTIVE_FILE); + x += global_page_state(NR_ACTIVE_FILE); + if (!vm_highmem_is_dirtyable) x -= highmem_dirtyable_memory(x); @@ -289,32 +310,6 @@ void global_dirty_limits(unsigned long *pbackground, unsigned long *pdirty) } /** - * zone_dirtyable_memory - number of dirtyable pages in a zone - * @zone: the zone - * - * Returns the zone's number of pages potentially available for dirty - * page cache. This is the base value for the per-zone dirty limits. - */ -static unsigned long zone_dirtyable_memory(struct zone *zone) -{ - /* - * The effective global number of dirtyable pages may exclude - * highmem as a big-picture measure to keep the ratio between - * dirty memory and lowmem reasonable. - * - * But this function is purely about the individual zone and a - * highmem zone can hold its share of dirty pages, so we don't - * care about vm_highmem_is_dirtyable here. - */ - unsigned long nr_pages = zone_page_state(zone, NR_FREE_PAGES) + - zone_reclaimable_pages(zone); - - /* don't allow this to underflow */ - nr_pages -= min(nr_pages, zone->dirty_balance_reserve); - return nr_pages; -} - -/** * zone_dirty_limit - maximum number of dirty pages allowed in a zone * @zone: the zone * @@ -2031,11 +2026,12 @@ int __set_page_dirty_nobuffers(struct page *page) if (!TestSetPageDirty(page)) { struct address_space *mapping = page_mapping(page); struct address_space *mapping2; + unsigned long flags; if (!mapping) return 1; - spin_lock_irq(&mapping->tree_lock); + spin_lock_irqsave(&mapping->tree_lock, flags); mapping2 = page_mapping(page); if (mapping2) { /* Race with truncate? */ BUG_ON(mapping2 != mapping); @@ -2044,7 +2040,7 @@ int __set_page_dirty_nobuffers(struct page *page) radix_tree_tag_set(&mapping->page_tree, page_index(page), PAGECACHE_TAG_DIRTY); } - spin_unlock_irq(&mapping->tree_lock); + spin_unlock_irqrestore(&mapping->tree_lock, flags); if (mapping->host) { /* !PageAnon && !swapper_space */ __mark_inode_dirty(mapping->host, I_DIRTY_PAGES); diff --git a/mm/pgtable-generic.c b/mm/pgtable-generic.c index 0c8323fe6c8f..4b62a16fc3c1 100644 --- a/mm/pgtable-generic.c +++ b/mm/pgtable-generic.c @@ -86,9 +86,10 @@ int pmdp_clear_flush_young(struct vm_area_struct *vma, pte_t ptep_clear_flush(struct vm_area_struct *vma, unsigned long address, pte_t *ptep) { + struct mm_struct *mm = (vma)->vm_mm; pte_t pte; - pte = ptep_get_and_clear((vma)->vm_mm, address, ptep); - if (pte_accessible(pte)) + pte = ptep_get_and_clear(mm, address, ptep); + if (pte_accessible(mm, pte)) flush_tlb_page(vma, address); return pte; } @@ -166,6 +167,9 @@ pgtable_t pgtable_trans_huge_withdraw(struct mm_struct *mm) void pmdp_invalidate(struct vm_area_struct *vma, unsigned long address, pmd_t *pmdp) { + pmd_t entry = *pmdp; + if (pmd_numa(entry)) + entry = pmd_mknonnuma(entry); set_pmd_at(vma->vm_mm, address, pmdp, pmd_mknotpresent(*pmdp)); flush_tlb_range(vma, address, address + HPAGE_PMD_SIZE); } diff --git a/mm/rmap.c b/mm/rmap.c index 6280da86b5d6..3f6077461aea 100644 --- a/mm/rmap.c +++ b/mm/rmap.c @@ -600,7 +600,11 @@ pte_t *__page_check_address(struct page *page, struct mm_struct *mm, spinlock_t *ptl; if (unlikely(PageHuge(page))) { + /* when pud is not present, pte will be NULL */ pte = huge_pte_offset(mm, address); + if (!pte) + return NULL; + ptl = &mm->page_table_lock; goto check; } diff --git a/mm/slub.c b/mm/slub.c index c34bd44e8be9..deaed7b47213 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -4285,7 +4285,13 @@ static ssize_t show_slab_objects(struct kmem_cache *s, page = ACCESS_ONCE(c->partial); if (page) { - x = page->pobjects; + node = page_to_nid(page); + if (flags & SO_TOTAL) + WARN_ON_ONCE(1); + else if (flags & SO_OBJECTS) + WARN_ON_ONCE(1); + else + x = page->pages; total += x; nodes[node] += x; } diff --git a/mm/swap.c b/mm/swap.c index 9f2225f2b5b0..ea58dbde788e 100644 --- a/mm/swap.c +++ b/mm/swap.c @@ -79,19 +79,6 @@ static void __put_compound_page(struct page *page) static void put_compound_page(struct page *page) { - /* - * hugetlbfs pages cannot be split from under us. If this is a - * hugetlbfs page, check refcount on head page and release the page if - * the refcount becomes zero. - */ - if (PageHuge(page)) { - page = compound_head(page); - if (put_page_testzero(page)) - __put_compound_page(page); - - return; - } - if (unlikely(PageTail(page))) { /* __split_huge_page_refcount can run under us */ struct page *page_head = compound_trans_head(page); @@ -108,14 +95,31 @@ static void put_compound_page(struct page *page) * still hot on arches that do not support * this_cpu_cmpxchg_double(). */ - if (PageSlab(page_head)) { - if (PageTail(page)) { + if (PageSlab(page_head) || PageHeadHuge(page_head)) { + if (likely(PageTail(page))) { + /* + * __split_huge_page_refcount + * cannot race here. + */ + VM_BUG_ON(!PageHead(page_head)); + atomic_dec(&page->_mapcount); if (put_page_testzero(page_head)) VM_BUG_ON(1); - - atomic_dec(&page->_mapcount); - goto skip_lock_tail; + if (put_page_testzero(page_head)) + __put_compound_page(page_head); + return; } else + /* + * __split_huge_page_refcount + * run before us, "page" was a + * THP tail. The split + * page_head has been freed + * and reallocated as slab or + * hugetlbfs page of smaller + * order (only possible if + * reallocated as slab on + * x86). + */ goto skip_lock; } /* @@ -129,8 +133,27 @@ static void put_compound_page(struct page *page) /* __split_huge_page_refcount run before us */ compound_unlock_irqrestore(page_head, flags); skip_lock: - if (put_page_testzero(page_head)) - __put_single_page(page_head); + if (put_page_testzero(page_head)) { + /* + * The head page may have been + * freed and reallocated as a + * compound page of smaller + * order and then freed again. + * All we know is that it + * cannot have become: a THP + * page, a compound page of + * higher order, a tail page. + * That is because we still + * hold the refcount of the + * split THP tail and + * page_head was the THP head + * before the split. + */ + if (PageHead(page_head)) + __put_compound_page(page_head); + else + __put_single_page(page_head); + } out_put_single: if (put_page_testzero(page)) __put_single_page(page); @@ -152,7 +175,6 @@ out_put_single: VM_BUG_ON(atomic_read(&page->_count) != 0); compound_unlock_irqrestore(page_head, flags); -skip_lock_tail: if (put_page_testzero(page_head)) { if (PageHead(page_head)) __put_compound_page(page_head); @@ -195,51 +217,52 @@ bool __get_page_tail(struct page *page) * proper PT lock that already serializes against * split_huge_page(). */ + unsigned long flags; bool got = false; - struct page *page_head; - - /* - * If this is a hugetlbfs page it cannot be split under us. Simply - * increment refcount for the head page. - */ - if (PageHuge(page)) { - page_head = compound_head(page); - atomic_inc(&page_head->_count); - got = true; - } else { - unsigned long flags; + struct page *page_head = compound_trans_head(page); - page_head = compound_trans_head(page); - if (likely(page != page_head && - get_page_unless_zero(page_head))) { - - /* Ref to put_compound_page() comment. */ - if (PageSlab(page_head)) { - if (likely(PageTail(page))) { - __get_page_tail_foll(page, false); - return true; - } else { - put_page(page_head); - return false; - } - } - - /* - * page_head wasn't a dangling pointer but it - * may not be a head page anymore by the time - * we obtain the lock. That is ok as long as it - * can't be freed from under us. - */ - flags = compound_lock_irqsave(page_head); - /* here __split_huge_page_refcount won't run anymore */ + if (likely(page != page_head && get_page_unless_zero(page_head))) { + /* Ref to put_compound_page() comment. */ + if (PageSlab(page_head) || PageHeadHuge(page_head)) { if (likely(PageTail(page))) { + /* + * This is a hugetlbfs page or a slab + * page. __split_huge_page_refcount + * cannot race here. + */ + VM_BUG_ON(!PageHead(page_head)); __get_page_tail_foll(page, false); - got = true; - } - compound_unlock_irqrestore(page_head, flags); - if (unlikely(!got)) + return true; + } else { + /* + * __split_huge_page_refcount run + * before us, "page" was a THP + * tail. The split page_head has been + * freed and reallocated as slab or + * hugetlbfs page of smaller order + * (only possible if reallocated as + * slab on x86). + */ put_page(page_head); + return false; + } + } + + /* + * page_head wasn't a dangling pointer but it + * may not be a head page anymore by the time + * we obtain the lock. That is ok as long as it + * can't be freed from under us. + */ + flags = compound_lock_irqsave(page_head); + /* here __split_huge_page_refcount won't run anymore */ + if (likely(PageTail(page))) { + __get_page_tail_foll(page, false); + got = true; } + compound_unlock_irqrestore(page_head, flags); + if (unlikely(!got)) + put_page(page_head); } return got; } diff --git a/mm/vmscan.c b/mm/vmscan.c index c052bffff636..a42363f73af4 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -2161,6 +2161,20 @@ static bool shrink_zones(struct zonelist *zonelist, struct scan_control *sc) return aborted_reclaim; } +static unsigned long zone_reclaimable_pages(struct zone *zone) +{ + int nr; + + nr = zone_page_state(zone, NR_ACTIVE_FILE) + + zone_page_state(zone, NR_INACTIVE_FILE); + + if (get_nr_swap_pages() > 0) + nr += zone_page_state(zone, NR_ACTIVE_ANON) + + zone_page_state(zone, NR_INACTIVE_ANON); + + return nr; +} + static bool zone_reclaimable(struct zone *zone) { return zone->pages_scanned < zone_reclaimable_pages(zone) * 6; @@ -3119,41 +3133,6 @@ void wakeup_kswapd(struct zone *zone, int order, enum zone_type classzone_idx) wake_up_interruptible(&pgdat->kswapd_wait); } -/* - * The reclaimable count would be mostly accurate. - * The less reclaimable pages may be - * - mlocked pages, which will be moved to unevictable list when encountered - * - mapped pages, which may require several travels to be reclaimed - * - dirty pages, which is not "instantly" reclaimable - */ -unsigned long global_reclaimable_pages(void) -{ - int nr; - - nr = global_page_state(NR_ACTIVE_FILE) + - global_page_state(NR_INACTIVE_FILE); - - if (get_nr_swap_pages() > 0) - nr += global_page_state(NR_ACTIVE_ANON) + - global_page_state(NR_INACTIVE_ANON); - - return nr; -} - -unsigned long zone_reclaimable_pages(struct zone *zone) -{ - int nr; - - nr = zone_page_state(zone, NR_ACTIVE_FILE) + - zone_page_state(zone, NR_INACTIVE_FILE); - - if (get_nr_swap_pages() > 0) - nr += zone_page_state(zone, NR_ACTIVE_ANON) + - zone_page_state(zone, NR_INACTIVE_ANON); - - return nr; -} - #ifdef CONFIG_HIBERNATION /* * Try to free `nr_to_reclaim' of memory, system-wide, and return the number of diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c index 1cd3d2a406f5..4af64afc7022 100644 --- a/net/8021q/vlan_dev.c +++ b/net/8021q/vlan_dev.c @@ -549,6 +549,23 @@ static const struct header_ops vlan_header_ops = { .parse = eth_header_parse, }; +static int vlan_passthru_hard_header(struct sk_buff *skb, struct net_device *dev, + unsigned short type, + const void *daddr, const void *saddr, + unsigned int len) +{ + struct vlan_dev_priv *vlan = vlan_dev_priv(dev); + struct net_device *real_dev = vlan->real_dev; + + return dev_hard_header(skb, real_dev, type, daddr, saddr, len); +} + +static const struct header_ops vlan_passthru_header_ops = { + .create = vlan_passthru_hard_header, + .rebuild = dev_rebuild_header, + .parse = eth_header_parse, +}; + static struct device_type vlan_type = { .name = "vlan", }; @@ -592,7 +609,7 @@ static int vlan_dev_init(struct net_device *dev) dev->needed_headroom = real_dev->needed_headroom; if (real_dev->features & NETIF_F_HW_VLAN_CTAG_TX) { - dev->header_ops = real_dev->header_ops; + dev->header_ops = &vlan_passthru_header_ops; dev->hard_header_len = real_dev->hard_header_len; } else { dev->header_ops = &vlan_header_ops; diff --git a/net/9p/trans_virtio.c b/net/9p/trans_virtio.c index 990afab2be1b..c76a4388a5d7 100644 --- a/net/9p/trans_virtio.c +++ b/net/9p/trans_virtio.c @@ -340,7 +340,10 @@ static int p9_get_mapped_pages(struct virtio_chan *chan, int count = nr_pages; while (nr_pages) { s = rest_of_page(data); - pages[index++] = kmap_to_page(data); + if (is_vmalloc_addr(data)) + pages[index++] = vmalloc_to_page(data); + else + pages[index++] = kmap_to_page(data); data += s; nr_pages--; } diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c index d82058f6fc79..2a180a380181 100644 --- a/net/bridge/br_multicast.c +++ b/net/bridge/br_multicast.c @@ -1839,7 +1839,7 @@ int br_multicast_set_hash_max(struct net_bridge *br, unsigned long val) u32 old; struct net_bridge_mdb_htable *mdb; - spin_lock(&br->multicast_lock); + spin_lock_bh(&br->multicast_lock); if (!netif_running(br->dev)) goto unlock; @@ -1871,7 +1871,7 @@ rollback: } unlock: - spin_unlock(&br->multicast_lock); + spin_unlock_bh(&br->multicast_lock); return err; } diff --git a/net/can/af_can.c b/net/can/af_can.c index c4e50852c9f4..f59859a3f562 100644 --- a/net/can/af_can.c +++ b/net/can/af_can.c @@ -57,6 +57,7 @@ #include <linux/skbuff.h> #include <linux/can.h> #include <linux/can/core.h> +#include <linux/can/skb.h> #include <linux/ratelimit.h> #include <net/net_namespace.h> #include <net/sock.h> @@ -290,7 +291,7 @@ int can_send(struct sk_buff *skb, int loop) return -ENOMEM; } - newskb->sk = skb->sk; + can_skb_set_owner(newskb, skb->sk); newskb->ip_summed = CHECKSUM_UNNECESSARY; newskb->pkt_type = PACKET_BROADCAST; } diff --git a/net/can/bcm.c b/net/can/bcm.c index 8f113e6ff327..35cf02d92766 100644 --- a/net/can/bcm.c +++ b/net/can/bcm.c @@ -268,7 +268,7 @@ static void bcm_can_tx(struct bcm_op *op) /* send with loopback */ skb->dev = dev; - skb->sk = op->sk; + can_skb_set_owner(skb, op->sk); can_send(skb, 1); /* update statistics */ @@ -1223,7 +1223,7 @@ static int bcm_tx_send(struct msghdr *msg, int ifindex, struct sock *sk) can_skb_prv(skb)->ifindex = dev->ifindex; skb->dev = dev; - skb->sk = sk; + can_skb_set_owner(skb, sk); err = can_send(skb, 1); /* send with loopback */ dev_put(dev); diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c index 46ec7672cccc..bc0016e3e5ac 100644 --- a/net/ceph/osd_client.c +++ b/net/ceph/osd_client.c @@ -733,12 +733,14 @@ struct ceph_osd_request *ceph_osdc_new_request(struct ceph_osd_client *osdc, object_size = le32_to_cpu(layout->fl_object_size); object_base = off - objoff; - if (truncate_size <= object_base) { - truncate_size = 0; - } else { - truncate_size -= object_base; - if (truncate_size > object_size) - truncate_size = object_size; + if (!(truncate_seq == 1 && truncate_size == -1ULL)) { + if (truncate_size <= object_base) { + truncate_size = 0; + } else { + truncate_size -= object_base; + if (truncate_size > object_size) + truncate_size = object_size; + } } osd_req_op_extent_init(req, 0, opcode, objoff, objlen, @@ -1174,6 +1176,7 @@ static void __register_linger_request(struct ceph_osd_client *osdc, struct ceph_osd_request *req) { dout("__register_linger_request %p\n", req); + ceph_osdc_get_request(req); list_add_tail(&req->r_linger_item, &osdc->req_linger); if (req->r_osd) list_add_tail(&req->r_linger_osd, @@ -1196,6 +1199,7 @@ static void __unregister_linger_request(struct ceph_osd_client *osdc, if (list_empty(&req->r_osd_item)) req->r_osd = NULL; } + ceph_osdc_put_request(req); } void ceph_osdc_unregister_linger_request(struct ceph_osd_client *osdc, @@ -1203,9 +1207,8 @@ void ceph_osdc_unregister_linger_request(struct ceph_osd_client *osdc, { mutex_lock(&osdc->request_mutex); if (req->r_linger) { - __unregister_linger_request(osdc, req); req->r_linger = 0; - ceph_osdc_put_request(req); + __unregister_linger_request(osdc, req); } mutex_unlock(&osdc->request_mutex); } @@ -1217,11 +1220,6 @@ void ceph_osdc_set_request_linger(struct ceph_osd_client *osdc, if (!req->r_linger) { dout("set_request_linger %p\n", req); req->r_linger = 1; - /* - * caller is now responsible for calling - * unregister_linger_request - */ - ceph_osdc_get_request(req); } } EXPORT_SYMBOL(ceph_osdc_set_request_linger); @@ -1339,10 +1337,6 @@ static void __send_request(struct ceph_osd_client *osdc, ceph_msg_get(req->r_request); /* send consumes a ref */ - /* Mark the request unsafe if this is the first timet's being sent. */ - - if (!req->r_sent && req->r_unsafe_callback) - req->r_unsafe_callback(req, true); req->r_sent = req->r_osd->o_incarnation; ceph_con_send(&req->r_osd->o_con, req->r_request); @@ -1433,8 +1427,6 @@ static void handle_osds_timeout(struct work_struct *work) static void complete_request(struct ceph_osd_request *req) { - if (req->r_unsafe_callback) - req->r_unsafe_callback(req, false); complete_all(&req->r_safe_completion); /* fsync waiter */ } @@ -1496,14 +1488,14 @@ static void handle_reply(struct ceph_osd_client *osdc, struct ceph_msg *msg, dout("handle_reply %p tid %llu req %p result %d\n", msg, tid, req, result); - ceph_decode_need(&p, end, 4, bad); + ceph_decode_need(&p, end, 4, bad_put); numops = ceph_decode_32(&p); if (numops > CEPH_OSD_MAX_OP) goto bad_put; if (numops != req->r_num_ops) goto bad_put; payload_len = 0; - ceph_decode_need(&p, end, numops * sizeof(struct ceph_osd_op), bad); + ceph_decode_need(&p, end, numops * sizeof(struct ceph_osd_op), bad_put); for (i = 0; i < numops; i++) { struct ceph_osd_op *op = p; int len; @@ -1521,11 +1513,13 @@ static void handle_reply(struct ceph_osd_client *osdc, struct ceph_msg *msg, goto bad_put; } - ceph_decode_need(&p, end, 4 + numops * 4, bad); + ceph_decode_need(&p, end, 4 + numops * 4, bad_put); retry_attempt = ceph_decode_32(&p); for (i = 0; i < numops; i++) req->r_reply_op_result[i] = ceph_decode_32(&p); + already_completed = req->r_got_reply; + if (!req->r_got_reply) { req->r_result = result; @@ -1556,19 +1550,23 @@ static void handle_reply(struct ceph_osd_client *osdc, struct ceph_msg *msg, ((flags & CEPH_OSD_FLAG_WRITE) == 0)) __unregister_request(osdc, req); - already_completed = req->r_completed; - req->r_completed = 1; mutex_unlock(&osdc->request_mutex); - if (already_completed) - goto done; - if (req->r_callback) - req->r_callback(req, msg); - else - complete_all(&req->r_completion); + if (!already_completed) { + if (req->r_unsafe_callback && + result >= 0 && !(flags & CEPH_OSD_FLAG_ONDISK)) + req->r_unsafe_callback(req, true); + if (req->r_callback) + req->r_callback(req, msg); + else + complete_all(&req->r_completion); + } - if (flags & CEPH_OSD_FLAG_ONDISK) + if (flags & CEPH_OSD_FLAG_ONDISK) { + if (req->r_unsafe_callback && already_completed) + req->r_unsafe_callback(req, false); complete_request(req); + } done: dout("req=%p req->r_linger=%d\n", req, req->r_linger); @@ -1633,8 +1631,10 @@ static void kick_requests(struct ceph_osd_client *osdc, int force_resend) dout("%p tid %llu restart on osd%d\n", req, req->r_tid, req->r_osd ? req->r_osd->o_osd : -1); + ceph_osdc_get_request(req); __unregister_request(osdc, req); __register_linger_request(osdc, req); + ceph_osdc_put_request(req); continue; } @@ -1786,6 +1786,8 @@ void ceph_osdc_handle_map(struct ceph_osd_client *osdc, struct ceph_msg *msg) nr_maps--; } + if (!osdc->osdmap) + goto bad; done: downgrade_write(&osdc->map_sem); ceph_monc_got_osdmap(&osdc->client->monc, osdc->osdmap->epoch); @@ -2123,7 +2125,6 @@ int ceph_osdc_start_request(struct ceph_osd_client *osdc, __register_request(osdc, req); req->r_sent = 0; req->r_got_reply = 0; - req->r_completed = 0; rc = __map_request(osdc, req, 0); if (rc < 0) { if (nofail) { @@ -2208,6 +2209,17 @@ void ceph_osdc_sync(struct ceph_osd_client *osdc) EXPORT_SYMBOL(ceph_osdc_sync); /* + * Call all pending notify callbacks - for use after a watch is + * unregistered, to make sure no more callbacks for it will be invoked + */ +extern void ceph_osdc_flush_notifies(struct ceph_osd_client *osdc) +{ + flush_workqueue(osdc->notify_wq); +} +EXPORT_SYMBOL(ceph_osdc_flush_notifies); + + +/* * init, shutdown */ int ceph_osdc_init(struct ceph_osd_client *osdc, struct ceph_client *client) @@ -2256,12 +2268,10 @@ int ceph_osdc_init(struct ceph_osd_client *osdc, struct ceph_client *client) if (err < 0) goto out_msgpool; + err = -ENOMEM; osdc->notify_wq = create_singlethread_workqueue("ceph-watch-notify"); - if (IS_ERR(osdc->notify_wq)) { - err = PTR_ERR(osdc->notify_wq); - osdc->notify_wq = NULL; + if (!osdc->notify_wq) goto out_msgpool; - } return 0; out_msgpool: diff --git a/net/compat.c b/net/compat.c index dd32e34c1e2c..f50161fb812e 100644 --- a/net/compat.c +++ b/net/compat.c @@ -780,21 +780,16 @@ asmlinkage long compat_sys_recvmmsg(int fd, struct compat_mmsghdr __user *mmsg, if (flags & MSG_CMSG_COMPAT) return -EINVAL; - if (COMPAT_USE_64BIT_TIME) - return __sys_recvmmsg(fd, (struct mmsghdr __user *)mmsg, vlen, - flags | MSG_CMSG_COMPAT, - (struct timespec *) timeout); - if (timeout == NULL) return __sys_recvmmsg(fd, (struct mmsghdr __user *)mmsg, vlen, flags | MSG_CMSG_COMPAT, NULL); - if (get_compat_timespec(&ktspec, timeout)) + if (compat_get_timespec(&ktspec, timeout)) return -EFAULT; datagrams = __sys_recvmmsg(fd, (struct mmsghdr __user *)mmsg, vlen, flags | MSG_CMSG_COMPAT, &ktspec); - if (datagrams > 0 && put_compat_timespec(&ktspec, timeout)) + if (datagrams > 0 && compat_put_timespec(&ktspec, timeout)) datagrams = -EFAULT; return datagrams; diff --git a/net/core/dev.c b/net/core/dev.c index 1283c8442e99..a0e55ffc03c9 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -2374,7 +2374,7 @@ EXPORT_SYMBOL(netdev_rx_csum_fault); * 2. No high memory really exists on this machine. */ -static int illegal_highdma(struct net_device *dev, struct sk_buff *skb) +static int illegal_highdma(const struct net_device *dev, struct sk_buff *skb) { #ifdef CONFIG_HIGHMEM int i; @@ -2454,46 +2454,51 @@ static int dev_gso_segment(struct sk_buff *skb, netdev_features_t features) } static netdev_features_t harmonize_features(struct sk_buff *skb, - __be16 protocol, netdev_features_t features) + __be16 protocol, + const struct net_device *dev, + netdev_features_t features) { if (skb->ip_summed != CHECKSUM_NONE && !can_checksum_protocol(features, protocol)) { features &= ~NETIF_F_ALL_CSUM; - } else if (illegal_highdma(skb->dev, skb)) { + } else if (illegal_highdma(dev, skb)) { features &= ~NETIF_F_SG; } return features; } -netdev_features_t netif_skb_features(struct sk_buff *skb) +netdev_features_t netif_skb_dev_features(struct sk_buff *skb, + const struct net_device *dev) { __be16 protocol = skb->protocol; - netdev_features_t features = skb->dev->features; + netdev_features_t features = dev->features; - if (skb_shinfo(skb)->gso_segs > skb->dev->gso_max_segs) + if (skb_shinfo(skb)->gso_segs > dev->gso_max_segs) features &= ~NETIF_F_GSO_MASK; if (protocol == htons(ETH_P_8021Q) || protocol == htons(ETH_P_8021AD)) { struct vlan_ethhdr *veh = (struct vlan_ethhdr *)skb->data; protocol = veh->h_vlan_encapsulated_proto; } else if (!vlan_tx_tag_present(skb)) { - return harmonize_features(skb, protocol, features); + return harmonize_features(skb, protocol, dev, features); } - features &= (skb->dev->vlan_features | NETIF_F_HW_VLAN_CTAG_TX | + features &= (dev->vlan_features | NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_STAG_TX); if (protocol != htons(ETH_P_8021Q) && protocol != htons(ETH_P_8021AD)) { - return harmonize_features(skb, protocol, features); + return harmonize_features(skb, protocol, dev, features); } else { features &= NETIF_F_SG | NETIF_F_HIGHDMA | NETIF_F_FRAGLIST | NETIF_F_GEN_CSUM | NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_STAG_TX; - return harmonize_features(skb, protocol, features); + return harmonize_features(skb, protocol, dev, features); } + + return harmonize_features(skb, protocol, dev, features); } -EXPORT_SYMBOL(netif_skb_features); +EXPORT_SYMBOL(netif_skb_dev_features); /* * Returns true if either: diff --git a/net/core/drop_monitor.c b/net/core/drop_monitor.c index d23b6682f4e9..a974dfec4bf1 100644 --- a/net/core/drop_monitor.c +++ b/net/core/drop_monitor.c @@ -64,7 +64,6 @@ static struct genl_family net_drop_monitor_family = { .hdrsize = 0, .name = "NET_DM", .version = 2, - .maxattr = NET_DM_CMD_MAX, }; static DEFINE_PER_CPU(struct per_cpu_dm_data, dm_cpu_data); diff --git a/net/core/fib_rules.c b/net/core/fib_rules.c index 0e9131195eb0..55e08e2de3a1 100644 --- a/net/core/fib_rules.c +++ b/net/core/fib_rules.c @@ -720,6 +720,13 @@ static int fib_rules_event(struct notifier_block *this, unsigned long event, attach_rules(&ops->rules_list, dev); break; + case NETDEV_CHANGENAME: + list_for_each_entry(ops, &net->rules_ops, list) { + detach_rules(&ops->rules_list, dev); + attach_rules(&ops->rules_list, dev); + } + break; + case NETDEV_UNREGISTER: list_for_each_entry(ops, &net->rules_ops, list) detach_rules(&ops->rules_list, dev); diff --git a/net/core/filter.c b/net/core/filter.c index 6438f29ff266..52f01229ee01 100644 --- a/net/core/filter.c +++ b/net/core/filter.c @@ -36,7 +36,6 @@ #include <asm/uaccess.h> #include <asm/unaligned.h> #include <linux/filter.h> -#include <linux/reciprocal_div.h> #include <linux/ratelimit.h> #include <linux/seccomp.h> #include <linux/if_vlan.h> @@ -166,7 +165,7 @@ unsigned int sk_run_filter(const struct sk_buff *skb, A /= X; continue; case BPF_S_ALU_DIV_K: - A = reciprocal_divide(A, K); + A /= K; continue; case BPF_S_ALU_MOD_X: if (X == 0) @@ -553,11 +552,6 @@ int sk_chk_filter(struct sock_filter *filter, unsigned int flen) /* Some instructions need special checks */ switch (code) { case BPF_S_ALU_DIV_K: - /* check for division by zero */ - if (ftest->k == 0) - return -EINVAL; - ftest->k = reciprocal_value(ftest->k); - break; case BPF_S_ALU_MOD_K: /* check for division by zero */ if (ftest->k == 0) @@ -853,27 +847,7 @@ void sk_decode_filter(struct sock_filter *filt, struct sock_filter *to) to->code = decodes[code]; to->jt = filt->jt; to->jf = filt->jf; - - if (code == BPF_S_ALU_DIV_K) { - /* - * When loaded this rule user gave us X, which was - * translated into R = r(X). Now we calculate the - * RR = r(R) and report it back. If next time this - * value is loaded and RRR = r(RR) is calculated - * then the R == RRR will be true. - * - * One exception. X == 1 translates into R == 0 and - * we can't calculate RR out of it with r(). - */ - - if (filt->k == 0) - to->k = 1; - else - to->k = reciprocal_value(filt->k); - - BUG_ON(reciprocal_value(to->k) != filt->k); - } else - to->k = filt->k; + to->k = filt->k; } int sk_get_filter(struct sock *sk, struct sock_filter __user *ubuf, unsigned int len) diff --git a/net/core/neighbour.c b/net/core/neighbour.c index 0034b611fa5e..49aeab86f317 100644 --- a/net/core/neighbour.c +++ b/net/core/neighbour.c @@ -1274,7 +1274,7 @@ int neigh_compat_output(struct neighbour *neigh, struct sk_buff *skb) if (dev_hard_header(skb, dev, ntohs(skb->protocol), NULL, NULL, skb->len) < 0 && - dev->header_ops->rebuild(skb)) + dev_rebuild_header(skb)) return 0; return dev_queue_xmit(skb); diff --git a/net/core/netpoll.c b/net/core/netpoll.c index b04f73847eda..433a1051d323 100644 --- a/net/core/netpoll.c +++ b/net/core/netpoll.c @@ -386,8 +386,14 @@ void netpoll_send_skb_on_dev(struct netpoll *np, struct sk_buff *skb, !vlan_hw_offload_capable(netif_skb_features(skb), skb->vlan_proto)) { skb = __vlan_put_tag(skb, skb->vlan_proto, vlan_tx_tag_get(skb)); - if (unlikely(!skb)) - break; + if (unlikely(!skb)) { + /* This is actually a packet drop, but we + * don't want the code at the end of this + * function to try and re-queue a NULL skb. + */ + status = NETDEV_TX_OK; + goto unlock_txq; + } skb->vlan_tci = 0; } @@ -395,6 +401,7 @@ void netpoll_send_skb_on_dev(struct netpoll *np, struct sk_buff *skb, if (status == NETDEV_TX_OK) txq_trans_update(txq); } + unlock_txq: __netif_tx_unlock(txq); if (status == NETDEV_TX_OK) @@ -941,6 +948,7 @@ int netpoll_parse_options(struct netpoll *np, char *opt) { char *cur=opt, *delim; int ipv6; + bool ipversion_set = false; if (*cur != '@') { if ((delim = strchr(cur, '@')) == NULL) @@ -953,6 +961,7 @@ int netpoll_parse_options(struct netpoll *np, char *opt) cur++; if (*cur != '/') { + ipversion_set = true; if ((delim = strchr(cur, '/')) == NULL) goto parse_failed; *delim = 0; @@ -995,7 +1004,7 @@ int netpoll_parse_options(struct netpoll *np, char *opt) ipv6 = netpoll_parse_ip_addr(cur, &np->remote_ip); if (ipv6 < 0) goto parse_failed; - else if (np->ipv6 != (bool)ipv6) + else if (ipversion_set && np->ipv6 != (bool)ipv6) goto parse_failed; else np->ipv6 = (bool)ipv6; diff --git a/net/core/skbuff.c b/net/core/skbuff.c index d9e8736bcdc1..79143b7af7e5 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -47,6 +47,8 @@ #include <linux/in.h> #include <linux/inet.h> #include <linux/slab.h> +#include <linux/tcp.h> +#include <linux/udp.h> #include <linux/netdevice.h> #ifdef CONFIG_NET_CLS_ACT #include <net/pkt_sched.h> @@ -74,36 +76,6 @@ struct kmem_cache *skbuff_head_cache __read_mostly; static struct kmem_cache *skbuff_fclone_cache __read_mostly; -static void sock_pipe_buf_release(struct pipe_inode_info *pipe, - struct pipe_buffer *buf) -{ - put_page(buf->page); -} - -static void sock_pipe_buf_get(struct pipe_inode_info *pipe, - struct pipe_buffer *buf) -{ - get_page(buf->page); -} - -static int sock_pipe_buf_steal(struct pipe_inode_info *pipe, - struct pipe_buffer *buf) -{ - return 1; -} - - -/* Pipe buffer operations for a socket. */ -static const struct pipe_buf_operations sock_pipe_buf_ops = { - .can_merge = 0, - .map = generic_pipe_buf_map, - .unmap = generic_pipe_buf_unmap, - .confirm = generic_pipe_buf_confirm, - .release = sock_pipe_buf_release, - .steal = sock_pipe_buf_steal, - .get = sock_pipe_buf_get, -}; - /** * skb_panic - private function for out-of-line support * @skb: buffer @@ -1811,7 +1783,7 @@ int skb_splice_bits(struct sk_buff *skb, unsigned int offset, .partial = partial, .nr_pages_max = MAX_SKB_FRAGS, .flags = flags, - .ops = &sock_pipe_buf_ops, + .ops = &nosteal_pipe_buf_ops, .spd_release = sock_spd_release, }; struct sk_buff *frag_iter; @@ -2854,7 +2826,7 @@ struct sk_buff *skb_segment(struct sk_buff *skb, netdev_features_t features) doffset + tnl_hlen); if (fskb != skb_shinfo(skb)->frag_list) - continue; + goto perform_csum_check; if (!sg) { nskb->ip_summed = CHECKSUM_NONE; @@ -2918,6 +2890,7 @@ skip_fraglist: nskb->len += nskb->data_len; nskb->truesize += nskb->data_len; +perform_csum_check: if (!csum) { nskb->csum = skb_checksum(nskb, doffset, nskb->len - doffset, 0); @@ -3500,3 +3473,26 @@ bool skb_try_coalesce(struct sk_buff *to, struct sk_buff *from, return true; } EXPORT_SYMBOL(skb_try_coalesce); + +/** + * skb_gso_transport_seglen - Return length of individual segments of a gso packet + * + * @skb: GSO skb + * + * skb_gso_transport_seglen is used to determine the real size of the + * individual segments, including Layer4 headers (TCP/UDP). + * + * The MAC/L2 or network (IP, IPv6) headers are not accounted for. + */ +unsigned int skb_gso_transport_seglen(const struct sk_buff *skb) +{ + const struct skb_shared_info *shinfo = skb_shinfo(skb); + unsigned int hdr_len; + + if (likely(shinfo->gso_type & (SKB_GSO_TCPV4 | SKB_GSO_TCPV6))) + hdr_len = tcp_hdrlen(skb); + else + hdr_len = sizeof(struct udphdr); + return hdr_len + shinfo->gso_size; +} +EXPORT_SYMBOL_GPL(skb_gso_transport_seglen); diff --git a/net/core/sock.c b/net/core/sock.c index 818fca56b1b0..9c81a348d506 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -889,7 +889,7 @@ set_rcvbuf: case SO_PEEK_OFF: if (sock->ops->set_peek_off) - sock->ops->set_peek_off(sk, val); + ret = sock->ops->set_peek_off(sk, val); else ret = -EOPNOTSUPP; break; @@ -1818,7 +1818,7 @@ bool sk_page_frag_refill(struct sock *sk, struct page_frag *pfrag) gfp_t gfp = sk->sk_allocation; if (order) - gfp |= __GFP_COMP | __GFP_NOWARN; + gfp |= __GFP_COMP | __GFP_NOWARN | __GFP_NORETRY; pfrag->page = alloc_pages(gfp, order); if (likely(pfrag->page)) { pfrag->offset = 0; diff --git a/net/ieee802154/6lowpan.c b/net/ieee802154/6lowpan.c index 31b127e8086b..ca118e8cb141 100644 --- a/net/ieee802154/6lowpan.c +++ b/net/ieee802154/6lowpan.c @@ -1173,7 +1173,27 @@ static struct header_ops lowpan_header_ops = { .create = lowpan_header_create, }; +static struct lock_class_key lowpan_tx_busylock; +static struct lock_class_key lowpan_netdev_xmit_lock_key; + +static void lowpan_set_lockdep_class_one(struct net_device *dev, + struct netdev_queue *txq, + void *_unused) +{ + lockdep_set_class(&txq->_xmit_lock, + &lowpan_netdev_xmit_lock_key); +} + + +static int lowpan_dev_init(struct net_device *dev) +{ + netdev_for_each_tx_queue(dev, lowpan_set_lockdep_class_one, NULL); + dev->qdisc_tx_busylock = &lowpan_tx_busylock; + return 0; +} + static const struct net_device_ops lowpan_netdev_ops = { + .ndo_init = lowpan_dev_init, .ndo_start_xmit = lowpan_xmit, .ndo_set_mac_address = lowpan_set_address, }; diff --git a/net/ieee802154/nl-phy.c b/net/ieee802154/nl-phy.c index 22b1a7058fd3..4efd2375d7e1 100644 --- a/net/ieee802154/nl-phy.c +++ b/net/ieee802154/nl-phy.c @@ -224,8 +224,10 @@ static int ieee802154_add_iface(struct sk_buff *skb, if (info->attrs[IEEE802154_ATTR_DEV_TYPE]) { type = nla_get_u8(info->attrs[IEEE802154_ATTR_DEV_TYPE]); - if (type >= __IEEE802154_DEV_MAX) - return -EINVAL; + if (type >= __IEEE802154_DEV_MAX) { + rc = -EINVAL; + goto nla_put_failure; + } } dev = phy->add_iface(phy, devname, type); diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c index e392355afe22..b151e0ac7f27 100644 --- a/net/ipv4/devinet.c +++ b/net/ipv4/devinet.c @@ -1439,7 +1439,8 @@ static size_t inet_nlmsg_size(void) + nla_total_size(4) /* IFA_ADDRESS */ + nla_total_size(4) /* IFA_LOCAL */ + nla_total_size(4) /* IFA_BROADCAST */ - + nla_total_size(IFNAMSIZ); /* IFA_LABEL */ + + nla_total_size(IFNAMSIZ) /* IFA_LABEL */ + + nla_total_size(sizeof(struct ifa_cacheinfo)); /* IFA_CACHEINFO */ } static inline u32 cstamp_delta(unsigned long cstamp) diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c index c7629a209f9d..4556cd25acde 100644 --- a/net/ipv4/fib_frontend.c +++ b/net/ipv4/fib_frontend.c @@ -1049,6 +1049,8 @@ static int fib_netdev_event(struct notifier_block *this, unsigned long event, vo } in_dev = __in_dev_get_rtnl(dev); + if (!in_dev) + return NOTIFY_DONE; switch (event) { case NETDEV_UP: diff --git a/net/ipv4/inet_diag.c b/net/ipv4/inet_diag.c index 5f648751fce2..45dbdab915e2 100644 --- a/net/ipv4/inet_diag.c +++ b/net/ipv4/inet_diag.c @@ -106,6 +106,10 @@ int inet_sk_diag_fill(struct sock *sk, struct inet_connection_sock *icsk, r->id.idiag_sport = inet->inet_sport; r->id.idiag_dport = inet->inet_dport; + + memset(&r->id.idiag_src, 0, sizeof(r->id.idiag_src)); + memset(&r->id.idiag_dst, 0, sizeof(r->id.idiag_dst)); + r->id.idiag_src[0] = inet->inet_rcv_saddr; r->id.idiag_dst[0] = inet->inet_daddr; @@ -240,12 +244,19 @@ static int inet_twsk_diag_fill(struct inet_timewait_sock *tw, r->idiag_family = tw->tw_family; r->idiag_retrans = 0; + r->id.idiag_if = tw->tw_bound_dev_if; sock_diag_save_cookie(tw, r->id.idiag_cookie); + r->id.idiag_sport = tw->tw_sport; r->id.idiag_dport = tw->tw_dport; + + memset(&r->id.idiag_src, 0, sizeof(r->id.idiag_src)); + memset(&r->id.idiag_dst, 0, sizeof(r->id.idiag_dst)); + r->id.idiag_src[0] = tw->tw_rcv_saddr; r->id.idiag_dst[0] = tw->tw_daddr; + r->idiag_state = tw->tw_substate; r->idiag_timer = 3; r->idiag_expires = DIV_ROUND_UP(tmo * 1000, HZ); @@ -732,8 +743,13 @@ static int inet_diag_fill_req(struct sk_buff *skb, struct sock *sk, r->id.idiag_sport = inet->inet_sport; r->id.idiag_dport = ireq->rmt_port; + + memset(&r->id.idiag_src, 0, sizeof(r->id.idiag_src)); + memset(&r->id.idiag_dst, 0, sizeof(r->id.idiag_dst)); + r->id.idiag_src[0] = ireq->loc_addr; r->id.idiag_dst[0] = ireq->rmt_addr; + r->idiag_expires = jiffies_to_msecs(tmo); r->idiag_rqueue = 0; r->idiag_wqueue = 0; @@ -945,7 +961,7 @@ next_normal: ++num; } - if (r->idiag_states & TCPF_TIME_WAIT) { + if (r->idiag_states & (TCPF_TIME_WAIT | TCPF_FIN_WAIT2)) { struct inet_timewait_sock *tw; inet_twsk_for_each(tw, node, @@ -955,6 +971,8 @@ next_normal: if (num < s_num) goto next_dying; + if (!(r->idiag_states & (1 << tw->tw_substate))) + goto next_dying; if (r->sdiag_family != AF_UNSPEC && tw->tw_family != r->sdiag_family) goto next_dying; diff --git a/net/ipv4/ip_forward.c b/net/ipv4/ip_forward.c index 694de3b7aebf..98d7e53d2afd 100644 --- a/net/ipv4/ip_forward.c +++ b/net/ipv4/ip_forward.c @@ -39,6 +39,71 @@ #include <net/route.h> #include <net/xfrm.h> +static bool ip_may_fragment(const struct sk_buff *skb) +{ + return unlikely((ip_hdr(skb)->frag_off & htons(IP_DF)) == 0) || + !skb->local_df; +} + +static bool ip_exceeds_mtu(const struct sk_buff *skb, unsigned int mtu) +{ + if (skb->len <= mtu || skb->local_df) + return false; + + if (skb_is_gso(skb) && skb_gso_network_seglen(skb) <= mtu) + return false; + + return true; +} + +static bool ip_gso_exceeds_dst_mtu(const struct sk_buff *skb) +{ + unsigned int mtu; + + if (skb->local_df || !skb_is_gso(skb)) + return false; + + mtu = dst_mtu(skb_dst(skb)); + + /* if seglen > mtu, do software segmentation for IP fragmentation on + * output. DF bit cannot be set since ip_forward would have sent + * icmp error. + */ + return skb_gso_network_seglen(skb) > mtu; +} + +/* called if GSO skb needs to be fragmented on forward */ +static int ip_forward_finish_gso(struct sk_buff *skb) +{ + struct dst_entry *dst = skb_dst(skb); + netdev_features_t features; + struct sk_buff *segs; + int ret = 0; + + features = netif_skb_dev_features(skb, dst->dev); + segs = skb_gso_segment(skb, features & ~NETIF_F_GSO_MASK); + if (IS_ERR(segs)) { + kfree_skb(skb); + return -ENOMEM; + } + + consume_skb(skb); + + do { + struct sk_buff *nskb = segs->next; + int err; + + segs->next = NULL; + err = dst_output(segs); + + if (err && ret == 0) + ret = err; + segs = nskb; + } while (segs); + + return ret; +} + static int ip_forward_finish(struct sk_buff *skb) { struct ip_options *opt = &(IPCB(skb)->opt); @@ -49,6 +114,9 @@ static int ip_forward_finish(struct sk_buff *skb) if (unlikely(opt->optlen)) ip_forward_options(skb); + if (ip_gso_exceeds_dst_mtu(skb)) + return ip_forward_finish_gso(skb); + return dst_output(skb); } @@ -88,8 +156,7 @@ int ip_forward(struct sk_buff *skb) if (opt->is_strictroute && rt->rt_uses_gateway) goto sr_failed; - if (unlikely(skb->len > dst_mtu(&rt->dst) && !skb_is_gso(skb) && - (ip_hdr(skb)->frag_off & htons(IP_DF))) && !skb->local_df) { + if (!ip_may_fragment(skb) && ip_exceeds_mtu(skb, dst_mtu(&rt->dst))) { IP_INC_STATS(dev_net(rt->dst.dev), IPSTATS_MIB_FRAGFAILS); icmp_send(skb, ICMP_DEST_UNREACH, ICMP_FRAG_NEEDED, htonl(dst_mtu(&rt->dst))); diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c index 64e4e98c8786..828b2e8631e7 100644 --- a/net/ipv4/ip_gre.c +++ b/net/ipv4/ip_gre.c @@ -335,6 +335,7 @@ static int ipgre_rcv(struct sk_buff *skb) iph->saddr, iph->daddr, tpi.key); if (tunnel) { + skb_pop_mac_header(skb); ip_tunnel_rcv(tunnel, skb, &tpi, hdr_len, log_ecn_error); return 0; } diff --git a/net/ipv4/ip_input.c b/net/ipv4/ip_input.c index 15e3e683adec..0a22bb0ce1a8 100644 --- a/net/ipv4/ip_input.c +++ b/net/ipv4/ip_input.c @@ -313,7 +313,7 @@ static int ip_rcv_finish(struct sk_buff *skb) const struct iphdr *iph = ip_hdr(skb); struct rtable *rt; - if (sysctl_ip_early_demux && !skb_dst(skb)) { + if (sysctl_ip_early_demux && !skb_dst(skb) && skb->sk == NULL) { const struct net_protocol *ipprot; int protocol = iph->protocol; diff --git a/net/ipv4/ip_tunnel.c b/net/ipv4/ip_tunnel.c index 46dcf32c012e..fa6573264c8a 100644 --- a/net/ipv4/ip_tunnel.c +++ b/net/ipv4/ip_tunnel.c @@ -636,6 +636,7 @@ void ip_tunnel_xmit(struct sk_buff *skb, struct net_device *dev, tunnel->err_time + IPTUNNEL_ERR_TIMEO)) { tunnel->err_count--; + memset(IPCB(skb), 0, sizeof(*IPCB(skb))); dst_link_failure(skb); } else tunnel->err_count = 0; diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c index 2c581da1fcab..7dbad6835843 100644 --- a/net/ipv4/ipmr.c +++ b/net/ipv4/ipmr.c @@ -157,9 +157,12 @@ static struct mr_table *ipmr_get_table(struct net *net, u32 id) static int ipmr_fib_lookup(struct net *net, struct flowi4 *flp4, struct mr_table **mrt) { - struct ipmr_result res; - struct fib_lookup_arg arg = { .result = &res, }; int err; + struct ipmr_result res; + struct fib_lookup_arg arg = { + .result = &res, + .flags = FIB_LOOKUP_NOREF, + }; err = fib_rules_lookup(net->ipv4.mr_rules_ops, flowi4_to_flowi(flp4), 0, &arg); diff --git a/net/ipv4/route.c b/net/ipv4/route.c index f6c6ab14da41..1a362f375e67 100644 --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -1544,6 +1544,7 @@ static int __mkroute_input(struct sk_buff *skb, rth->rt_gateway = 0; rth->rt_uses_gateway = 0; INIT_LIST_HEAD(&rth->rt_uncached); + RT_CACHE_STAT_INC(in_slow_tot); rth->dst.input = ip_forward; rth->dst.output = ip_output; @@ -1645,8 +1646,6 @@ static int ip_route_input_slow(struct sk_buff *skb, __be32 daddr, __be32 saddr, if (err != 0) goto no_route; - RT_CACHE_STAT_INC(in_slow_tot); - if (res.type == RTN_BROADCAST) goto brd_input; @@ -1715,6 +1714,7 @@ local_input: rth->rt_gateway = 0; rth->rt_uses_gateway = 0; INIT_LIST_HEAD(&rth->rt_uncached); + RT_CACHE_STAT_INC(in_slow_tot); if (res.type == RTN_UNREACHABLE) { rth->dst.input= ip_error; rth->dst.error= -err; diff --git a/net/ipv4/tcp_metrics.c b/net/ipv4/tcp_metrics.c index 306dbd9a9441..b500d2ddc476 100644 --- a/net/ipv4/tcp_metrics.c +++ b/net/ipv4/tcp_metrics.c @@ -22,6 +22,9 @@ int sysctl_tcp_nometrics_save __read_mostly; +static struct tcp_metrics_block *__tcp_get_metrics(const struct inetpeer_addr *addr, + struct net *net, unsigned int hash); + struct tcp_fastopen_metrics { u16 mss; u16 syn_loss:10; /* Recurring Fast Open SYN losses */ @@ -130,16 +133,41 @@ static void tcpm_suck_dst(struct tcp_metrics_block *tm, struct dst_entry *dst, } } +#define TCP_METRICS_TIMEOUT (60 * 60 * HZ) + +static void tcpm_check_stamp(struct tcp_metrics_block *tm, struct dst_entry *dst) +{ + if (tm && unlikely(time_after(jiffies, tm->tcpm_stamp + TCP_METRICS_TIMEOUT))) + tcpm_suck_dst(tm, dst, false); +} + +#define TCP_METRICS_RECLAIM_DEPTH 5 +#define TCP_METRICS_RECLAIM_PTR (struct tcp_metrics_block *) 0x1UL + static struct tcp_metrics_block *tcpm_new(struct dst_entry *dst, struct inetpeer_addr *addr, - unsigned int hash, - bool reclaim) + unsigned int hash) { struct tcp_metrics_block *tm; struct net *net; + bool reclaim = false; spin_lock_bh(&tcp_metrics_lock); net = dev_net(dst->dev); + + /* While waiting for the spin-lock the cache might have been populated + * with this entry and so we have to check again. + */ + tm = __tcp_get_metrics(addr, net, hash); + if (tm == TCP_METRICS_RECLAIM_PTR) { + reclaim = true; + tm = NULL; + } + if (tm) { + tcpm_check_stamp(tm, dst); + goto out_unlock; + } + if (unlikely(reclaim)) { struct tcp_metrics_block *oldest; @@ -169,17 +197,6 @@ out_unlock: return tm; } -#define TCP_METRICS_TIMEOUT (60 * 60 * HZ) - -static void tcpm_check_stamp(struct tcp_metrics_block *tm, struct dst_entry *dst) -{ - if (tm && unlikely(time_after(jiffies, tm->tcpm_stamp + TCP_METRICS_TIMEOUT))) - tcpm_suck_dst(tm, dst, false); -} - -#define TCP_METRICS_RECLAIM_DEPTH 5 -#define TCP_METRICS_RECLAIM_PTR (struct tcp_metrics_block *) 0x1UL - static struct tcp_metrics_block *tcp_get_encode(struct tcp_metrics_block *tm, int depth) { if (tm) @@ -280,7 +297,6 @@ static struct tcp_metrics_block *tcp_get_metrics(struct sock *sk, struct inetpeer_addr addr; unsigned int hash; struct net *net; - bool reclaim; addr.family = sk->sk_family; switch (addr.family) { @@ -300,13 +316,10 @@ static struct tcp_metrics_block *tcp_get_metrics(struct sock *sk, hash = hash_32(hash, net->ipv4.tcp_metrics_hash_log); tm = __tcp_get_metrics(&addr, net, hash); - reclaim = false; - if (tm == TCP_METRICS_RECLAIM_PTR) { - reclaim = true; + if (tm == TCP_METRICS_RECLAIM_PTR) tm = NULL; - } if (!tm && create) - tm = tcpm_new(dst, &addr, hash, reclaim); + tm = tcpm_new(dst, &addr, hash); else tcpm_check_stamp(tm, dst); diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c index 3b113f84a277..5dc91c31be21 100644 --- a/net/ipv4/tcp_output.c +++ b/net/ipv4/tcp_output.c @@ -685,7 +685,8 @@ static void tcp_tsq_handler(struct sock *sk) if ((1 << sk->sk_state) & (TCPF_ESTABLISHED | TCPF_FIN_WAIT1 | TCPF_CLOSING | TCPF_CLOSE_WAIT | TCPF_LAST_ACK)) - tcp_write_xmit(sk, tcp_current_mss(sk), 0, 0, GFP_ATOMIC); + tcp_write_xmit(sk, tcp_current_mss(sk), tcp_sk(sk)->nonagle, + 0, GFP_ATOMIC); } /* * One tasklest per cpu tries to send more skbs. @@ -1874,7 +1875,15 @@ static bool tcp_write_xmit(struct sock *sk, unsigned int mss_now, int nonagle, if (atomic_read(&sk->sk_wmem_alloc) > limit) { set_bit(TSQ_THROTTLED, &tp->tsq_flags); - break; + /* It is possible TX completion already happened + * before we set TSQ_THROTTLED, so we must + * test again the condition. + * We abuse smp_mb__after_clear_bit() because + * there is no smp_mb__after_set_bit() yet + */ + smp_mb__after_clear_bit(); + if (atomic_read(&sk->sk_wmem_alloc) > limit) + break; } limit = mss_now; diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c index fe1a3404314d..313f1f73bdbe 100644 --- a/net/ipv4/udp.c +++ b/net/ipv4/udp.c @@ -1075,9 +1075,6 @@ int udp_sendpage(struct sock *sk, struct page *page, int offset, if (flags & MSG_SENDPAGE_NOTLAST) flags |= MSG_MORE; - if (flags & MSG_SENDPAGE_NOTLAST) - flags |= MSG_MORE; - if (!up->pending) { struct msghdr msg = { .msg_flags = flags|MSG_MORE }; diff --git a/net/ipv6/ip6_input.c b/net/ipv6/ip6_input.c index 2bab2aa59745..774b09cb2920 100644 --- a/net/ipv6/ip6_input.c +++ b/net/ipv6/ip6_input.c @@ -49,7 +49,7 @@ int ip6_rcv_finish(struct sk_buff *skb) { - if (sysctl_ip_early_demux && !skb_dst(skb)) { + if (sysctl_ip_early_demux && !skb_dst(skb) && skb->sk == NULL) { const struct inet6_protocol *ipprot; ipprot = rcu_dereference(inet6_protos[ipv6_hdr(skb)->nexthdr]); diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c index b98b8e06739e..98a262b759ae 100644 --- a/net/ipv6/ip6_output.c +++ b/net/ipv6/ip6_output.c @@ -345,6 +345,20 @@ static inline int ip6_forward_finish(struct sk_buff *skb) return dst_output(skb); } +static bool ip6_pkt_too_big(const struct sk_buff *skb, unsigned int mtu) +{ + if (skb->len <= mtu || skb->local_df) + return false; + + if (IP6CB(skb)->frag_max_size && IP6CB(skb)->frag_max_size > mtu) + return true; + + if (skb_is_gso(skb) && skb_gso_network_seglen(skb) <= mtu) + return false; + + return true; +} + int ip6_forward(struct sk_buff *skb) { struct dst_entry *dst = skb_dst(skb); @@ -467,8 +481,7 @@ int ip6_forward(struct sk_buff *skb) if (mtu < IPV6_MIN_MTU) mtu = IPV6_MIN_MTU; - if ((!skb->local_df && skb->len > mtu && !skb_is_gso(skb)) || - (IP6CB(skb)->frag_max_size && IP6CB(skb)->frag_max_size > mtu)) { + if (ip6_pkt_too_big(skb, mtu)) { /* Again, force OUTPUT device used as source address */ skb->dev = dst->dev; icmpv6_send(skb, ICMPV6_PKT_TOOBIG, 0, mtu); diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c index 0516ebbea80b..f21cf476b00c 100644 --- a/net/ipv6/ip6_tunnel.c +++ b/net/ipv6/ip6_tunnel.c @@ -1617,6 +1617,15 @@ static int ip6_tnl_changelink(struct net_device *dev, struct nlattr *tb[], return ip6_tnl_update(t, &p); } +static void ip6_tnl_dellink(struct net_device *dev, struct list_head *head) +{ + struct net *net = dev_net(dev); + struct ip6_tnl_net *ip6n = net_generic(net, ip6_tnl_net_id); + + if (dev != ip6n->fb_tnl_dev) + unregister_netdevice_queue(dev, head); +} + static size_t ip6_tnl_get_size(const struct net_device *dev) { return @@ -1681,6 +1690,7 @@ static struct rtnl_link_ops ip6_link_ops __read_mostly = { .validate = ip6_tnl_validate, .newlink = ip6_tnl_newlink, .changelink = ip6_tnl_changelink, + .dellink = ip6_tnl_dellink, .get_size = ip6_tnl_get_size, .fill_info = ip6_tnl_fill_info, }; diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c index 4b421249532f..9f44ebc17759 100644 --- a/net/ipv6/ip6mr.c +++ b/net/ipv6/ip6mr.c @@ -141,9 +141,12 @@ static struct mr6_table *ip6mr_get_table(struct net *net, u32 id) static int ip6mr_fib_lookup(struct net *net, struct flowi6 *flp6, struct mr6_table **mrt) { - struct ip6mr_result res; - struct fib_lookup_arg arg = { .result = &res, }; int err; + struct ip6mr_result res; + struct fib_lookup_arg arg = { + .result = &res, + .flags = FIB_LOOKUP_NOREF, + }; err = fib_rules_lookup(net->ipv6.mr6_rules_ops, flowi6_to_flowi(flp6), 0, &arg); diff --git a/net/ipv6/route.c b/net/ipv6/route.c index 5a8bf536026c..6c389300f4e9 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -84,6 +84,8 @@ static int ip6_dst_gc(struct dst_ops *ops); static int ip6_pkt_discard(struct sk_buff *skb); static int ip6_pkt_discard_out(struct sk_buff *skb); +static int ip6_pkt_prohibit(struct sk_buff *skb); +static int ip6_pkt_prohibit_out(struct sk_buff *skb); static void ip6_link_failure(struct sk_buff *skb); static void ip6_rt_update_pmtu(struct dst_entry *dst, struct sock *sk, struct sk_buff *skb, u32 mtu); @@ -233,9 +235,6 @@ static const struct rt6_info ip6_null_entry_template = { #ifdef CONFIG_IPV6_MULTIPLE_TABLES -static int ip6_pkt_prohibit(struct sk_buff *skb); -static int ip6_pkt_prohibit_out(struct sk_buff *skb); - static const struct rt6_info ip6_prohibit_entry_template = { .dst = { .__refcnt = ATOMIC_INIT(1), @@ -1498,21 +1497,24 @@ int ip6_route_add(struct fib6_config *cfg) goto out; } } - rt->dst.output = ip6_pkt_discard_out; - rt->dst.input = ip6_pkt_discard; rt->rt6i_flags = RTF_REJECT|RTF_NONEXTHOP; switch (cfg->fc_type) { case RTN_BLACKHOLE: rt->dst.error = -EINVAL; + rt->dst.output = dst_discard; + rt->dst.input = dst_discard; break; case RTN_PROHIBIT: rt->dst.error = -EACCES; + rt->dst.output = ip6_pkt_prohibit_out; + rt->dst.input = ip6_pkt_prohibit; break; case RTN_THROW: - rt->dst.error = -EAGAIN; - break; default: - rt->dst.error = -ENETUNREACH; + rt->dst.error = (cfg->fc_type == RTN_THROW) ? -EAGAIN + : -ENETUNREACH; + rt->dst.output = ip6_pkt_discard_out; + rt->dst.input = ip6_pkt_discard; break; } goto install_route; @@ -1836,9 +1838,7 @@ static struct rt6_info *ip6_rt_copy(struct rt6_info *ort, else rt->rt6i_gateway = *dest; rt->rt6i_flags = ort->rt6i_flags; - if ((ort->rt6i_flags & (RTF_DEFAULT | RTF_ADDRCONF)) == - (RTF_DEFAULT | RTF_ADDRCONF)) - rt6_set_from(rt, ort); + rt6_set_from(rt, ort); rt->rt6i_metric = 0; #ifdef CONFIG_IPV6_SUBTREES @@ -2077,8 +2077,6 @@ static int ip6_pkt_discard_out(struct sk_buff *skb) return ip6_pkt_drop(skb, ICMPV6_NOROUTE, IPSTATS_MIB_OUTNOROUTES); } -#ifdef CONFIG_IPV6_MULTIPLE_TABLES - static int ip6_pkt_prohibit(struct sk_buff *skb) { return ip6_pkt_drop(skb, ICMPV6_ADM_PROHIBITED, IPSTATS_MIB_INNOROUTES); @@ -2090,8 +2088,6 @@ static int ip6_pkt_prohibit_out(struct sk_buff *skb) return ip6_pkt_drop(skb, ICMPV6_ADM_PROHIBITED, IPSTATS_MIB_OUTNOROUTES); } -#endif - /* * Allocate a dst for local (unicast / anycast) address. */ @@ -2101,12 +2097,10 @@ struct rt6_info *addrconf_dst_alloc(struct inet6_dev *idev, bool anycast) { struct net *net = dev_net(idev->dev); - struct rt6_info *rt = ip6_dst_alloc(net, net->loopback_dev, 0, NULL); - - if (!rt) { - net_warn_ratelimited("Maximum number of routes reached, consider increasing route/max_size\n"); + struct rt6_info *rt = ip6_dst_alloc(net, net->loopback_dev, + DST_NOCOUNT, NULL); + if (!rt) return ERR_PTR(-ENOMEM); - } in6_dev_hold(idev); diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c index 0491264b8bfc..620d326e8fdd 100644 --- a/net/ipv6/sit.c +++ b/net/ipv6/sit.c @@ -1507,6 +1507,15 @@ static const struct nla_policy ipip6_policy[IFLA_IPTUN_MAX + 1] = { #endif }; +static void ipip6_dellink(struct net_device *dev, struct list_head *head) +{ + struct net *net = dev_net(dev); + struct sit_net *sitn = net_generic(net, sit_net_id); + + if (dev != sitn->fb_tunnel_dev) + unregister_netdevice_queue(dev, head); +} + static struct rtnl_link_ops sit_link_ops __read_mostly = { .kind = "sit", .maxtype = IFLA_IPTUN_MAX, @@ -1517,6 +1526,7 @@ static struct rtnl_link_ops sit_link_ops __read_mostly = { .changelink = ipip6_changelink, .get_size = ipip6_get_size, .fill_info = ipip6_fill_info, + .dellink = ipip6_dellink, }; static struct xfrm_tunnel sit_handler __read_mostly = { diff --git a/net/ipv6/udp_offload.c b/net/ipv6/udp_offload.c index 76f165ef8d49..3696aa28784a 100644 --- a/net/ipv6/udp_offload.c +++ b/net/ipv6/udp_offload.c @@ -85,7 +85,7 @@ static struct sk_buff *udp6_ufo_fragment(struct sk_buff *skb, /* Check if there is enough headroom to insert fragment header. */ tnl_hlen = skb_tnl_header_len(skb); - if (skb->mac_header < (tnl_hlen + frag_hdr_sz)) { + if (skb_mac_header(skb) < skb->head + tnl_hlen + frag_hdr_sz) { if (gso_pskb_expand_head(skb, tnl_hlen + frag_hdr_sz)) goto out; } diff --git a/net/llc/af_llc.c b/net/llc/af_llc.c index 88709882c464..c3ee80547066 100644 --- a/net/llc/af_llc.c +++ b/net/llc/af_llc.c @@ -715,7 +715,7 @@ static int llc_ui_recvmsg(struct kiocb *iocb, struct socket *sock, unsigned long cpu_flags; size_t copied = 0; u32 peek_seq = 0; - u32 *seq; + u32 *seq, skb_len; unsigned long used; int target; /* Read at least this many bytes */ long timeo; @@ -812,6 +812,7 @@ static int llc_ui_recvmsg(struct kiocb *iocb, struct socket *sock, } continue; found_ok_skb: + skb_len = skb->len; /* Ok so how much can we use? */ used = skb->len - offset; if (len < used) @@ -844,7 +845,7 @@ static int llc_ui_recvmsg(struct kiocb *iocb, struct socket *sock, } /* Partial read */ - if (used + offset < skb->len) + if (used + offset < skb_len) continue; } while (len > 0); diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index 5ab17b82605d..e922bf3f422c 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -975,8 +975,10 @@ static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev, IEEE80211_P2P_OPPPS_ENABLE_BIT; err = ieee80211_assign_beacon(sdata, ¶ms->beacon); - if (err < 0) + if (err < 0) { + ieee80211_vif_release_channel(sdata); return err; + } changed |= err; err = drv_start_ap(sdata->local, sdata); @@ -985,6 +987,7 @@ static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev, if (old) kfree_rcu(old, rcu_head); RCU_INIT_POINTER(sdata->u.ap.beacon, NULL); + ieee80211_vif_release_channel(sdata); return err; } @@ -2356,8 +2359,7 @@ static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev, struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); - if (sdata->vif.type != NL80211_IFTYPE_STATION && - sdata->vif.type != NL80211_IFTYPE_MESH_POINT) + if (sdata->vif.type != NL80211_IFTYPE_STATION) return -EOPNOTSUPP; if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS)) @@ -2477,6 +2479,24 @@ static int ieee80211_start_roc_work(struct ieee80211_local *local, INIT_DELAYED_WORK(&roc->work, ieee80211_sw_roc_work); INIT_LIST_HEAD(&roc->dependents); + /* + * cookie is either the roc cookie (for normal roc) + * or the SKB (for mgmt TX) + */ + if (!txskb) { + /* local->mtx protects this */ + local->roc_cookie_counter++; + roc->cookie = local->roc_cookie_counter; + /* wow, you wrapped 64 bits ... more likely a bug */ + if (WARN_ON(roc->cookie == 0)) { + roc->cookie = 1; + local->roc_cookie_counter++; + } + *cookie = roc->cookie; + } else { + *cookie = (unsigned long)txskb; + } + /* if there's one pending or we're scanning, queue this one */ if (!list_empty(&local->roc_list) || local->scanning || local->radar_detect_enabled) @@ -2611,24 +2631,6 @@ static int ieee80211_start_roc_work(struct ieee80211_local *local, if (!queued) list_add_tail(&roc->list, &local->roc_list); - /* - * cookie is either the roc cookie (for normal roc) - * or the SKB (for mgmt TX) - */ - if (!txskb) { - /* local->mtx protects this */ - local->roc_cookie_counter++; - roc->cookie = local->roc_cookie_counter; - /* wow, you wrapped 64 bits ... more likely a bug */ - if (WARN_ON(roc->cookie == 0)) { - roc->cookie = 1; - local->roc_cookie_counter++; - } - *cookie = roc->cookie; - } else { - *cookie = (unsigned long)txskb; - } - return 0; } diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c index ec09bcba9bae..fae73b0ef14b 100644 --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c @@ -864,7 +864,8 @@ static void ieee80211_rx_reorder_ampdu(struct ieee80211_rx_data *rx, u16 sc; u8 tid, ack_policy; - if (!ieee80211_is_data_qos(hdr->frame_control)) + if (!ieee80211_is_data_qos(hdr->frame_control) || + is_multicast_ether_addr(hdr->addr1)) goto dont_reorder; /* diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index e9d18c30071f..fe9d6e7b904b 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -447,7 +447,6 @@ ieee80211_tx_h_unicast_ps_buf(struct ieee80211_tx_data *tx) { struct sta_info *sta = tx->sta; struct ieee80211_tx_info *info = IEEE80211_SKB_CB(tx->skb); - struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)tx->skb->data; struct ieee80211_local *local = tx->local; if (unlikely(!sta)) @@ -458,15 +457,6 @@ ieee80211_tx_h_unicast_ps_buf(struct ieee80211_tx_data *tx) !(info->flags & IEEE80211_TX_CTL_NO_PS_BUFFER))) { int ac = skb_get_queue_mapping(tx->skb); - /* only deauth, disassoc and action are bufferable MMPDUs */ - if (ieee80211_is_mgmt(hdr->frame_control) && - !ieee80211_is_deauth(hdr->frame_control) && - !ieee80211_is_disassoc(hdr->frame_control) && - !ieee80211_is_action(hdr->frame_control)) { - info->flags |= IEEE80211_TX_CTL_NO_PS_BUFFER; - return TX_CONTINUE; - } - ps_dbg(sta->sdata, "STA %pM aid %d: PS buffer for AC %d\n", sta->sta.addr, sta->sta.aid, ac); if (tx->local->total_ps_buffered >= TOTAL_MAX_TX_BUFFER) @@ -509,9 +499,22 @@ ieee80211_tx_h_unicast_ps_buf(struct ieee80211_tx_data *tx) static ieee80211_tx_result debug_noinline ieee80211_tx_h_ps_buf(struct ieee80211_tx_data *tx) { + struct ieee80211_tx_info *info = IEEE80211_SKB_CB(tx->skb); + struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)tx->skb->data; + if (unlikely(tx->flags & IEEE80211_TX_PS_BUFFERED)) return TX_CONTINUE; + /* only deauth, disassoc and action are bufferable MMPDUs */ + if (ieee80211_is_mgmt(hdr->frame_control) && + !ieee80211_is_deauth(hdr->frame_control) && + !ieee80211_is_disassoc(hdr->frame_control) && + !ieee80211_is_action(hdr->frame_control)) { + if (tx->flags & IEEE80211_TX_UNICAST) + info->flags |= IEEE80211_TX_CTL_NO_PS_BUFFER; + return TX_CONTINUE; + } + if (tx->flags & IEEE80211_TX_UNICAST) return ieee80211_tx_h_unicast_ps_buf(tx); else @@ -851,7 +854,7 @@ static int ieee80211_fragment(struct ieee80211_tx_data *tx, } /* adjust first fragment's length */ - skb->len = hdrlen + per_fragm; + skb_trim(skb, hdrlen + per_fragm); return 0; } diff --git a/net/netfilter/nf_nat_irc.c b/net/netfilter/nf_nat_irc.c index f02b3605823e..1fb2258c3535 100644 --- a/net/netfilter/nf_nat_irc.c +++ b/net/netfilter/nf_nat_irc.c @@ -34,10 +34,14 @@ static unsigned int help(struct sk_buff *skb, struct nf_conntrack_expect *exp) { char buffer[sizeof("4294967296 65635")]; + struct nf_conn *ct = exp->master; + union nf_inet_addr newaddr; u_int16_t port; unsigned int ret; /* Reply comes from server. */ + newaddr = ct->tuplehash[IP_CT_DIR_REPLY].tuple.dst.u3; + exp->saved_proto.tcp.port = exp->tuple.dst.u.tcp.port; exp->dir = IP_CT_DIR_REPLY; exp->expectfn = nf_nat_follow_master; @@ -57,17 +61,35 @@ static unsigned int help(struct sk_buff *skb, } if (port == 0) { - nf_ct_helper_log(skb, exp->master, "all ports in use"); + nf_ct_helper_log(skb, ct, "all ports in use"); return NF_DROP; } - ret = nf_nat_mangle_tcp_packet(skb, exp->master, ctinfo, - protoff, matchoff, matchlen, buffer, - strlen(buffer)); + /* strlen("\1DCC CHAT chat AAAAAAAA P\1\n")=27 + * strlen("\1DCC SCHAT chat AAAAAAAA P\1\n")=28 + * strlen("\1DCC SEND F AAAAAAAA P S\1\n")=26 + * strlen("\1DCC MOVE F AAAAAAAA P S\1\n")=26 + * strlen("\1DCC TSEND F AAAAAAAA P S\1\n")=27 + * + * AAAAAAAAA: bound addr (1.0.0.0==16777216, min 8 digits, + * 255.255.255.255==4294967296, 10 digits) + * P: bound port (min 1 d, max 5d (65635)) + * F: filename (min 1 d ) + * S: size (min 1 d ) + * 0x01, \n: terminators + */ + /* AAA = "us", ie. where server normally talks to. */ + snprintf(buffer, sizeof(buffer), "%u %u", ntohl(newaddr.ip), port); + pr_debug("nf_nat_irc: inserting '%s' == %pI4, port %u\n", + buffer, &newaddr.ip, port); + + ret = nf_nat_mangle_tcp_packet(skb, ct, ctinfo, protoff, matchoff, + matchlen, buffer, strlen(buffer)); if (ret != NF_ACCEPT) { - nf_ct_helper_log(skb, exp->master, "cannot mangle packet"); + nf_ct_helper_log(skb, ct, "cannot mangle packet"); nf_ct_unexpect_related(exp); } + return ret; } diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c index c503ad6f610f..e8b5a0dfca21 100644 --- a/net/packet/af_packet.c +++ b/net/packet/af_packet.c @@ -237,6 +237,30 @@ struct packet_skb_cb { static void __fanout_unlink(struct sock *sk, struct packet_sock *po); static void __fanout_link(struct sock *sk, struct packet_sock *po); +static struct net_device *packet_cached_dev_get(struct packet_sock *po) +{ + struct net_device *dev; + + rcu_read_lock(); + dev = rcu_dereference(po->cached_dev); + if (likely(dev)) + dev_hold(dev); + rcu_read_unlock(); + + return dev; +} + +static void packet_cached_dev_assign(struct packet_sock *po, + struct net_device *dev) +{ + rcu_assign_pointer(po->cached_dev, dev); +} + +static void packet_cached_dev_reset(struct packet_sock *po) +{ + RCU_INIT_POINTER(po->cached_dev, NULL); +} + /* register_prot_hook must be invoked with the po->bind_lock held, * or from a context in which asynchronous accesses to the packet * socket is not possible (packet_create()). @@ -246,12 +270,10 @@ static void register_prot_hook(struct sock *sk) struct packet_sock *po = pkt_sk(sk); if (!po->running) { - if (po->fanout) { + if (po->fanout) __fanout_link(sk, po); - } else { + else dev_add_pack(&po->prot_hook); - rcu_assign_pointer(po->cached_dev, po->prot_hook.dev); - } sock_hold(sk); po->running = 1; @@ -270,12 +292,11 @@ static void __unregister_prot_hook(struct sock *sk, bool sync) struct packet_sock *po = pkt_sk(sk); po->running = 0; - if (po->fanout) { + + if (po->fanout) __fanout_unlink(sk, po); - } else { + else __dev_remove_pack(&po->prot_hook); - RCU_INIT_POINTER(po->cached_dev, NULL); - } __sock_put(sk); @@ -2048,19 +2069,6 @@ static int tpacket_fill_skb(struct packet_sock *po, struct sk_buff *skb, return tp_len; } -static struct net_device *packet_cached_dev_get(struct packet_sock *po) -{ - struct net_device *dev; - - rcu_read_lock(); - dev = rcu_dereference(po->cached_dev); - if (dev) - dev_hold(dev); - rcu_read_unlock(); - - return dev; -} - static int tpacket_snd(struct packet_sock *po, struct msghdr *msg) { struct sk_buff *skb; @@ -2077,7 +2085,7 @@ static int tpacket_snd(struct packet_sock *po, struct msghdr *msg) mutex_lock(&po->pg_vec_lock); - if (saddr == NULL) { + if (likely(saddr == NULL)) { dev = packet_cached_dev_get(po); proto = po->num; addr = NULL; @@ -2231,7 +2239,7 @@ static int packet_snd(struct socket *sock, * Get and verify the address. */ - if (saddr == NULL) { + if (likely(saddr == NULL)) { dev = packet_cached_dev_get(po); proto = po->num; addr = NULL; @@ -2440,6 +2448,8 @@ static int packet_release(struct socket *sock) spin_lock(&po->bind_lock); unregister_prot_hook(sk, false); + packet_cached_dev_reset(po); + if (po->prot_hook.dev) { dev_put(po->prot_hook.dev); po->prot_hook.dev = NULL; @@ -2495,14 +2505,17 @@ static int packet_do_bind(struct sock *sk, struct net_device *dev, __be16 protoc spin_lock(&po->bind_lock); unregister_prot_hook(sk, true); + po->num = protocol; po->prot_hook.type = protocol; if (po->prot_hook.dev) dev_put(po->prot_hook.dev); - po->prot_hook.dev = dev; + po->prot_hook.dev = dev; po->ifindex = dev ? dev->ifindex : 0; + packet_cached_dev_assign(po, dev); + if (protocol == 0) goto out_unlock; @@ -2615,7 +2628,8 @@ static int packet_create(struct net *net, struct socket *sock, int protocol, po = pkt_sk(sk); sk->sk_family = PF_PACKET; po->num = proto; - RCU_INIT_POINTER(po->cached_dev, NULL); + + packet_cached_dev_reset(po); sk->sk_destruct = packet_sock_destruct; sk_refcnt_debug_inc(sk); @@ -3369,6 +3383,7 @@ static int packet_notifier(struct notifier_block *this, unsigned long msg, void sk->sk_error_report(sk); } if (msg == NETDEV_UNREGISTER) { + packet_cached_dev_reset(po); po->ifindex = -1; if (po->prot_hook.dev) dev_put(po->prot_hook.dev); diff --git a/net/rds/ib.c b/net/rds/ib.c index b4c8b0022fee..ba2dffeff608 100644 --- a/net/rds/ib.c +++ b/net/rds/ib.c @@ -338,7 +338,8 @@ static int rds_ib_laddr_check(__be32 addr) ret = rdma_bind_addr(cm_id, (struct sockaddr *)&sin); /* due to this, we will claim to support iWARP devices unless we check node_type. */ - if (ret || cm_id->device->node_type != RDMA_NODE_IB_CA) + if (ret || !cm_id->device || + cm_id->device->node_type != RDMA_NODE_IB_CA) ret = -EADDRNOTAVAIL; rdsdebug("addr %pI4 ret %d node type %d\n", diff --git a/net/rds/ib_recv.c b/net/rds/ib_recv.c index 8eb9501e3d60..b7ebe23cdedf 100644 --- a/net/rds/ib_recv.c +++ b/net/rds/ib_recv.c @@ -421,8 +421,7 @@ static void rds_ib_recv_cache_put(struct list_head *new_item, struct rds_ib_refill_cache *cache) { unsigned long flags; - struct list_head *old; - struct list_head __percpu *chpfirst; + struct list_head *old, *chpfirst; local_irq_save(flags); @@ -432,7 +431,7 @@ static void rds_ib_recv_cache_put(struct list_head *new_item, else /* put on front */ list_add_tail(new_item, chpfirst); - __this_cpu_write(chpfirst, new_item); + __this_cpu_write(cache->percpu->first, new_item); __this_cpu_inc(cache->percpu->count); if (__this_cpu_read(cache->percpu->count) < RDS_IB_RECYCLE_BATCH_COUNT) @@ -452,7 +451,7 @@ static void rds_ib_recv_cache_put(struct list_head *new_item, } while (old); - __this_cpu_write(chpfirst, NULL); + __this_cpu_write(cache->percpu->first, NULL); __this_cpu_write(cache->percpu->count, 0); end: local_irq_restore(flags); diff --git a/net/rds/ib_send.c b/net/rds/ib_send.c index e59094981175..37be6e226d1b 100644 --- a/net/rds/ib_send.c +++ b/net/rds/ib_send.c @@ -552,9 +552,8 @@ int rds_ib_xmit(struct rds_connection *conn, struct rds_message *rm, && rm->m_inc.i_hdr.h_flags & RDS_FLAG_CONG_BITMAP) { rds_cong_map_updated(conn->c_fcong, ~(u64) 0); scat = &rm->data.op_sg[sg]; - ret = sizeof(struct rds_header) + RDS_CONG_MAP_BYTES; - ret = min_t(int, ret, scat->length - conn->c_xmit_data_off); - return ret; + ret = max_t(int, RDS_CONG_MAP_BYTES, scat->length); + return sizeof(struct rds_header) + ret; } /* FIXME we may overallocate here */ diff --git a/net/rose/af_rose.c b/net/rose/af_rose.c index abf0ad6311d0..27e6896705e6 100644 --- a/net/rose/af_rose.c +++ b/net/rose/af_rose.c @@ -1253,6 +1253,7 @@ static int rose_recvmsg(struct kiocb *iocb, struct socket *sock, if (msg->msg_name) { struct sockaddr_rose *srose; + struct full_sockaddr_rose *full_srose = msg->msg_name; memset(msg->msg_name, 0, sizeof(struct full_sockaddr_rose)); srose = msg->msg_name; @@ -1260,18 +1261,9 @@ static int rose_recvmsg(struct kiocb *iocb, struct socket *sock, srose->srose_addr = rose->dest_addr; srose->srose_call = rose->dest_call; srose->srose_ndigis = rose->dest_ndigis; - if (msg->msg_namelen >= sizeof(struct full_sockaddr_rose)) { - struct full_sockaddr_rose *full_srose = (struct full_sockaddr_rose *)msg->msg_name; - for (n = 0 ; n < rose->dest_ndigis ; n++) - full_srose->srose_digis[n] = rose->dest_digis[n]; - msg->msg_namelen = sizeof(struct full_sockaddr_rose); - } else { - if (rose->dest_ndigis >= 1) { - srose->srose_ndigis = 1; - srose->srose_digi = rose->dest_digis[0]; - } - msg->msg_namelen = sizeof(struct sockaddr_rose); - } + for (n = 0 ; n < rose->dest_ndigis ; n++) + full_srose->srose_digis[n] = rose->dest_digis[n]; + msg->msg_namelen = sizeof(struct full_sockaddr_rose); } skb_free_datagram(sk, skb); diff --git a/net/sctp/socket.c b/net/sctp/socket.c index 79bc251042ba..8554e5eebaeb 100644 --- a/net/sctp/socket.c +++ b/net/sctp/socket.c @@ -71,6 +71,7 @@ #include <linux/crypto.h> #include <linux/slab.h> #include <linux/file.h> +#include <linux/compat.h> #include <net/ip.h> #include <net/icmp.h> @@ -1384,11 +1385,19 @@ SCTP_STATIC int sctp_setsockopt_connectx(struct sock* sk, /* * New (hopefully final) interface for the API. * We use the sctp_getaddrs_old structure so that use-space library - * can avoid any unnecessary allocations. The only defferent part + * can avoid any unnecessary allocations. The only different part * is that we store the actual length of the address buffer into the - * addrs_num structure member. That way we can re-use the existing + * addrs_num structure member. That way we can re-use the existing * code. */ +#ifdef CONFIG_COMPAT +struct compat_sctp_getaddrs_old { + sctp_assoc_t assoc_id; + s32 addr_num; + compat_uptr_t addrs; /* struct sockaddr * */ +}; +#endif + SCTP_STATIC int sctp_getsockopt_connectx3(struct sock* sk, int len, char __user *optval, int __user *optlen) @@ -1397,16 +1406,30 @@ SCTP_STATIC int sctp_getsockopt_connectx3(struct sock* sk, int len, sctp_assoc_t assoc_id = 0; int err = 0; - if (len < sizeof(param)) - return -EINVAL; +#ifdef CONFIG_COMPAT + if (is_compat_task()) { + struct compat_sctp_getaddrs_old param32; - if (copy_from_user(¶m, optval, sizeof(param))) - return -EFAULT; + if (len < sizeof(param32)) + return -EINVAL; + if (copy_from_user(¶m32, optval, sizeof(param32))) + return -EFAULT; - err = __sctp_setsockopt_connectx(sk, - (struct sockaddr __user *)param.addrs, - param.addr_num, &assoc_id); + param.assoc_id = param32.assoc_id; + param.addr_num = param32.addr_num; + param.addrs = compat_ptr(param32.addrs); + } else +#endif + { + if (len < sizeof(param)) + return -EINVAL; + if (copy_from_user(¶m, optval, sizeof(param))) + return -EFAULT; + } + err = __sctp_setsockopt_connectx(sk, (struct sockaddr __user *) + param.addrs, param.addr_num, + &assoc_id); if (err == 0 || err == -EINPROGRESS) { if (copy_to_user(optval, &assoc_id, sizeof(assoc_id))) return -EFAULT; diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c index 5b1bf7b530f1..3524a8b50046 100644 --- a/net/sunrpc/clnt.c +++ b/net/sunrpc/clnt.c @@ -1402,9 +1402,13 @@ call_refreshresult(struct rpc_task *task) task->tk_action = call_refresh; switch (status) { case 0: - if (rpcauth_uptodatecred(task)) + if (rpcauth_uptodatecred(task)) { task->tk_action = call_allocate; - return; + return; + } + /* Use rate-limiting and a max number of retries if refresh + * had status 0 but failed to update the cred. + */ case -ETIMEDOUT: rpc_delay(task, 3*HZ); case -EAGAIN: diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c index 8a0e04d0928a..fc47165dc254 100644 --- a/net/sunrpc/xprtsock.c +++ b/net/sunrpc/xprtsock.c @@ -502,6 +502,7 @@ static int xs_nospace(struct rpc_task *task) struct rpc_rqst *req = task->tk_rqstp; struct rpc_xprt *xprt = req->rq_xprt; struct sock_xprt *transport = container_of(xprt, struct sock_xprt, xprt); + struct sock *sk = transport->inet; int ret = -EAGAIN; dprintk("RPC: %5u xmit incomplete (%u left of %u)\n", @@ -519,7 +520,7 @@ static int xs_nospace(struct rpc_task *task) * window size */ set_bit(SOCK_NOSPACE, &transport->sock->flags); - transport->inet->sk_write_pending++; + sk->sk_write_pending++; /* ...and wait for more buffer space */ xprt_wait_for_buffer_space(task, xs_nospace_callback); } @@ -529,6 +530,9 @@ static int xs_nospace(struct rpc_task *task) } spin_unlock_bh(&xprt->transport_lock); + + /* Race breaker in case memory is freed before above code is called */ + sk->sk_write_space(sk); return ret; } diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c index 6c66e8d4c715..f246812680d7 100644 --- a/net/unix/af_unix.c +++ b/net/unix/af_unix.c @@ -530,13 +530,17 @@ static int unix_seqpacket_sendmsg(struct kiocb *, struct socket *, static int unix_seqpacket_recvmsg(struct kiocb *, struct socket *, struct msghdr *, size_t, int); -static void unix_set_peek_off(struct sock *sk, int val) +static int unix_set_peek_off(struct sock *sk, int val) { struct unix_sock *u = unix_sk(sk); - mutex_lock(&u->readlock); + if (mutex_lock_interruptible(&u->readlock)) + return -EINTR; + sk->sk_peek_off = val; mutex_unlock(&u->readlock); + + return 0; } @@ -714,7 +718,9 @@ static int unix_autobind(struct socket *sock) int err; unsigned int retries = 0; - mutex_lock(&u->readlock); + err = mutex_lock_interruptible(&u->readlock); + if (err) + return err; err = 0; if (u->addr) @@ -873,7 +879,9 @@ static int unix_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len) goto out; addr_len = err; - mutex_lock(&u->readlock); + err = mutex_lock_interruptible(&u->readlock); + if (err) + goto out; err = -EINVAL; if (u->addr) diff --git a/net/wireless/radiotap.c b/net/wireless/radiotap.c index a271c27fac77..722da616438c 100644 --- a/net/wireless/radiotap.c +++ b/net/wireless/radiotap.c @@ -124,6 +124,10 @@ int ieee80211_radiotap_iterator_init( /* find payload start allowing for extended bitmap(s) */ if (iterator->_bitmap_shifter & (1<<IEEE80211_RADIOTAP_EXT)) { + if ((unsigned long)iterator->_arg - + (unsigned long)iterator->_rtheader + sizeof(uint32_t) > + (unsigned long)iterator->_max_length) + return -EINVAL; while (get_unaligned_le32(iterator->_arg) & (1 << IEEE80211_RADIOTAP_EXT)) { iterator->_arg += sizeof(uint32_t); diff --git a/scripts/mod/file2alias.c b/scripts/mod/file2alias.c index 45f9a3377dcd..4319a3824727 100644 --- a/scripts/mod/file2alias.c +++ b/scripts/mod/file2alias.c @@ -208,8 +208,8 @@ static void do_usb_entry(void *symval, range_lo < 0x9 ? "[%X-9" : "[%X", range_lo); sprintf(alias + strlen(alias), - range_hi > 0xA ? "a-%X]" : "%X]", - range_lo); + range_hi > 0xA ? "A-%X]" : "%X]", + range_hi); } } if (bcdDevice_initial_digits < (sizeof(bcdDevice_lo) * 2 - 1)) diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c index 11918d7ddb6e..b582c7d39aeb 100644 --- a/security/selinux/hooks.c +++ b/security/selinux/hooks.c @@ -53,6 +53,7 @@ #include <net/ip.h> /* for local_port_range[] */ #include <net/sock.h> #include <net/tcp.h> /* struct or_callable used in sock_rcv_skb */ +#include <net/inet_connection_sock.h> #include <net/net_namespace.h> #include <net/netlabel.h> #include <linux/uaccess.h> @@ -3799,7 +3800,7 @@ static int selinux_skb_peerlbl_sid(struct sk_buff *skb, u16 family, u32 *sid) u32 nlbl_sid; u32 nlbl_type; - selinux_skb_xfrm_sid(skb, &xfrm_sid); + selinux_xfrm_skb_sid(skb, &xfrm_sid); selinux_netlbl_skbuff_getsid(skb, family, &nlbl_type, &nlbl_sid); err = security_net_peersid_resolve(nlbl_sid, nlbl_type, xfrm_sid, sid); @@ -3813,6 +3814,30 @@ static int selinux_skb_peerlbl_sid(struct sk_buff *skb, u16 family, u32 *sid) return 0; } +/** + * selinux_conn_sid - Determine the child socket label for a connection + * @sk_sid: the parent socket's SID + * @skb_sid: the packet's SID + * @conn_sid: the resulting connection SID + * + * If @skb_sid is valid then the user:role:type information from @sk_sid is + * combined with the MLS information from @skb_sid in order to create + * @conn_sid. If @skb_sid is not valid then then @conn_sid is simply a copy + * of @sk_sid. Returns zero on success, negative values on failure. + * + */ +static int selinux_conn_sid(u32 sk_sid, u32 skb_sid, u32 *conn_sid) +{ + int err = 0; + + if (skb_sid != SECSID_NULL) + err = security_sid_mls_copy(sk_sid, skb_sid, conn_sid); + else + *conn_sid = sk_sid; + + return err; +} + /* socket security operations */ static int socket_sockcreate_sid(const struct task_security_struct *tsec, @@ -4280,8 +4305,10 @@ static int selinux_socket_sock_rcv_skb(struct sock *sk, struct sk_buff *skb) } err = avc_has_perm(sk_sid, peer_sid, SECCLASS_PEER, PEER__RECV, &ad); - if (err) + if (err) { selinux_netlbl_err(skb, err, 0); + return err; + } } if (secmark_active) { @@ -4419,7 +4446,7 @@ static int selinux_inet_conn_request(struct sock *sk, struct sk_buff *skb, struct sk_security_struct *sksec = sk->sk_security; int err; u16 family = sk->sk_family; - u32 newsid; + u32 connsid; u32 peersid; /* handle mapped IPv4 packets arriving via IPv6 sockets */ @@ -4429,16 +4456,11 @@ static int selinux_inet_conn_request(struct sock *sk, struct sk_buff *skb, err = selinux_skb_peerlbl_sid(skb, family, &peersid); if (err) return err; - if (peersid == SECSID_NULL) { - req->secid = sksec->sid; - req->peer_secid = SECSID_NULL; - } else { - err = security_sid_mls_copy(sksec->sid, peersid, &newsid); - if (err) - return err; - req->secid = newsid; - req->peer_secid = peersid; - } + err = selinux_conn_sid(sksec->sid, peersid, &connsid); + if (err) + return err; + req->secid = connsid; + req->peer_secid = peersid; return selinux_netlbl_inet_conn_request(req, family); } @@ -4698,6 +4720,7 @@ static unsigned int selinux_ipv6_forward(unsigned int hooknum, static unsigned int selinux_ip_output(struct sk_buff *skb, u16 family) { + struct sock *sk; u32 sid; if (!netlbl_enabled()) @@ -4706,8 +4729,27 @@ static unsigned int selinux_ip_output(struct sk_buff *skb, /* we do this in the LOCAL_OUT path and not the POST_ROUTING path * because we want to make sure we apply the necessary labeling * before IPsec is applied so we can leverage AH protection */ - if (skb->sk) { - struct sk_security_struct *sksec = skb->sk->sk_security; + sk = skb->sk; + if (sk) { + struct sk_security_struct *sksec; + + if (sk->sk_state == TCP_LISTEN) + /* if the socket is the listening state then this + * packet is a SYN-ACK packet which means it needs to + * be labeled based on the connection/request_sock and + * not the parent socket. unfortunately, we can't + * lookup the request_sock yet as it isn't queued on + * the parent socket until after the SYN-ACK is sent. + * the "solution" is to simply pass the packet as-is + * as any IP option based labeling should be copied + * from the initial connection request (in the IP + * layer). it is far from ideal, but until we get a + * security label in the packet itself this is the + * best we can do. */ + return NF_ACCEPT; + + /* standard practice, label using the parent socket */ + sksec = sk->sk_security; sid = sksec->sid; } else sid = SECINITSID_KERNEL; @@ -4777,27 +4819,37 @@ static unsigned int selinux_ip_postroute(struct sk_buff *skb, int ifindex, * as fast and as clean as possible. */ if (!selinux_policycap_netpeer) return selinux_ip_postroute_compat(skb, ifindex, family); + + secmark_active = selinux_secmark_enabled(); + peerlbl_active = netlbl_enabled() || selinux_xfrm_enabled(); + if (!secmark_active && !peerlbl_active) + return NF_ACCEPT; + + sk = skb->sk; + #ifdef CONFIG_XFRM /* If skb->dst->xfrm is non-NULL then the packet is undergoing an IPsec * packet transformation so allow the packet to pass without any checks * since we'll have another chance to perform access control checks * when the packet is on it's final way out. * NOTE: there appear to be some IPv6 multicast cases where skb->dst - * is NULL, in this case go ahead and apply access control. */ - if (skb_dst(skb) != NULL && skb_dst(skb)->xfrm != NULL) + * is NULL, in this case go ahead and apply access control. + * is NULL, in this case go ahead and apply access control. + * NOTE: if this is a local socket (skb->sk != NULL) that is in the + * TCP listening state we cannot wait until the XFRM processing + * is done as we will miss out on the SA label if we do; + * unfortunately, this means more work, but it is only once per + * connection. */ + if (skb_dst(skb) != NULL && skb_dst(skb)->xfrm != NULL && + !(sk != NULL && sk->sk_state == TCP_LISTEN)) return NF_ACCEPT; #endif - secmark_active = selinux_secmark_enabled(); - peerlbl_active = netlbl_enabled() || selinux_xfrm_enabled(); - if (!secmark_active && !peerlbl_active) - return NF_ACCEPT; - /* if the packet is being forwarded then get the peer label from the - * packet itself; otherwise check to see if it is from a local - * application or the kernel, if from an application get the peer label - * from the sending socket, otherwise use the kernel's sid */ - sk = skb->sk; if (sk == NULL) { + /* Without an associated socket the packet is either coming + * from the kernel or it is being forwarded; check the packet + * to determine which and if the packet is being forwarded + * query the packet directly to determine the security label. */ if (skb->skb_iif) { secmark_perm = PACKET__FORWARD_OUT; if (selinux_skb_peerlbl_sid(skb, family, &peer_sid)) @@ -4806,7 +4858,45 @@ static unsigned int selinux_ip_postroute(struct sk_buff *skb, int ifindex, secmark_perm = PACKET__SEND; peer_sid = SECINITSID_KERNEL; } + } else if (sk->sk_state == TCP_LISTEN) { + /* Locally generated packet but the associated socket is in the + * listening state which means this is a SYN-ACK packet. In + * this particular case the correct security label is assigned + * to the connection/request_sock but unfortunately we can't + * query the request_sock as it isn't queued on the parent + * socket until after the SYN-ACK packet is sent; the only + * viable choice is to regenerate the label like we do in + * selinux_inet_conn_request(). See also selinux_ip_output() + * for similar problems. */ + u32 skb_sid; + struct sk_security_struct *sksec = sk->sk_security; + if (selinux_skb_peerlbl_sid(skb, family, &skb_sid)) + return NF_DROP; + /* At this point, if the returned skb peerlbl is SECSID_NULL + * and the packet has been through at least one XFRM + * transformation then we must be dealing with the "final" + * form of labeled IPsec packet; since we've already applied + * all of our access controls on this packet we can safely + * pass the packet. */ + if (skb_sid == SECSID_NULL) { + switch (family) { + case PF_INET: + if (IPCB(skb)->flags & IPSKB_XFRM_TRANSFORMED) + return NF_ACCEPT; + break; + case PF_INET6: + if (IP6CB(skb)->flags & IP6SKB_XFRM_TRANSFORMED) + return NF_ACCEPT; + default: + return NF_DROP_ERR(-ECONNREFUSED); + } + } + if (selinux_conn_sid(sksec->sid, skb_sid, &peer_sid)) + return NF_DROP; + secmark_perm = PACKET__SEND; } else { + /* Locally generated packet, fetch the security label from the + * associated socket. */ struct sk_security_struct *sksec = sk->sk_security; peer_sid = sksec->sid; secmark_perm = PACKET__SEND; @@ -5470,11 +5560,11 @@ static int selinux_setprocattr(struct task_struct *p, /* Check for ptracing, and update the task SID if ok. Otherwise, leave SID unchanged and fail. */ ptsid = 0; - task_lock(p); + rcu_read_lock(); tracer = ptrace_parent(p); if (tracer) ptsid = task_sid(tracer); - task_unlock(p); + rcu_read_unlock(); if (tracer) { error = avc_has_perm(ptsid, sid, SECCLASS_PROCESS, diff --git a/security/selinux/include/xfrm.h b/security/selinux/include/xfrm.h index 65f67cb0aefb..3ffdadc9960f 100644 --- a/security/selinux/include/xfrm.h +++ b/security/selinux/include/xfrm.h @@ -47,6 +47,7 @@ int selinux_xfrm_sock_rcv_skb(u32 sid, struct sk_buff *skb, int selinux_xfrm_postroute_last(u32 isec_sid, struct sk_buff *skb, struct common_audit_data *ad, u8 proto); int selinux_xfrm_decode_session(struct sk_buff *skb, u32 *sid, int ckall); +int selinux_xfrm_skb_sid(struct sk_buff *skb, u32 *sid); static inline void selinux_xfrm_notify_policyload(void) { @@ -80,12 +81,12 @@ static inline int selinux_xfrm_decode_session(struct sk_buff *skb, u32 *sid, int static inline void selinux_xfrm_notify_policyload(void) { } -#endif -static inline void selinux_skb_xfrm_sid(struct sk_buff *skb, u32 *sid) +static inline int selinux_xfrm_skb_sid(struct sk_buff *skb, u32 *sid) { - int err = selinux_xfrm_decode_session(skb, sid, 0); - BUG_ON(err); + *sid = SECSID_NULL; + return 0; } +#endif #endif /* _SELINUX_XFRM_H_ */ diff --git a/security/selinux/ss/policydb.c b/security/selinux/ss/policydb.c index 9cd9b7c661ec..bcdca73033f3 100644 --- a/security/selinux/ss/policydb.c +++ b/security/selinux/ss/policydb.c @@ -1941,7 +1941,19 @@ static int filename_trans_read(struct policydb *p, void *fp) if (rc) goto out; - hashtab_insert(p->filename_trans, ft, otype); + rc = hashtab_insert(p->filename_trans, ft, otype); + if (rc) { + /* + * Do not return -EEXIST to the caller, or the system + * will not boot. + */ + if (rc != -EEXIST) + goto out; + /* But free memory to avoid memory leak. */ + kfree(ft); + kfree(name); + kfree(otype); + } } hash_eval(p->filename_trans, "filenametr"); return 0; @@ -3246,10 +3258,10 @@ static int filename_write_helper(void *key, void *data, void *ptr) if (rc) return rc; - buf[0] = ft->stype; - buf[1] = ft->ttype; - buf[2] = ft->tclass; - buf[3] = otype->otype; + buf[0] = cpu_to_le32(ft->stype); + buf[1] = cpu_to_le32(ft->ttype); + buf[2] = cpu_to_le32(ft->tclass); + buf[3] = cpu_to_le32(otype->otype); rc = put_entry(buf, sizeof(u32), 4, fp); if (rc) diff --git a/security/selinux/xfrm.c b/security/selinux/xfrm.c index d03081886214..78504a18958a 100644 --- a/security/selinux/xfrm.c +++ b/security/selinux/xfrm.c @@ -152,21 +152,13 @@ int selinux_xfrm_state_pol_flow_match(struct xfrm_state *x, struct xfrm_policy * return rc; } -/* - * LSM hook implementation that checks and/or returns the xfrm sid for the - * incoming packet. - */ - -int selinux_xfrm_decode_session(struct sk_buff *skb, u32 *sid, int ckall) +static int selinux_xfrm_skb_sid_ingress(struct sk_buff *skb, + u32 *sid, int ckall) { - struct sec_path *sp; + struct sec_path *sp = skb->sp; *sid = SECSID_NULL; - if (skb == NULL) - return 0; - - sp = skb->sp; if (sp) { int i, sid_set = 0; @@ -190,6 +182,45 @@ int selinux_xfrm_decode_session(struct sk_buff *skb, u32 *sid, int ckall) return 0; } +static u32 selinux_xfrm_skb_sid_egress(struct sk_buff *skb) +{ + struct dst_entry *dst = skb_dst(skb); + struct xfrm_state *x; + + if (dst == NULL) + return SECSID_NULL; + x = dst->xfrm; + if (x == NULL || !selinux_authorizable_xfrm(x)) + return SECSID_NULL; + + return x->security->ctx_sid; +} + +/* + * LSM hook implementation that checks and/or returns the xfrm sid for the + * incoming packet. + */ + +int selinux_xfrm_decode_session(struct sk_buff *skb, u32 *sid, int ckall) +{ + if (skb == NULL) { + *sid = SECSID_NULL; + return 0; + } + return selinux_xfrm_skb_sid_ingress(skb, sid, ckall); +} + +int selinux_xfrm_skb_sid(struct sk_buff *skb, u32 *sid) +{ + int rc; + + rc = selinux_xfrm_skb_sid_ingress(skb, sid, 0); + if (rc == 0 && *sid == SECSID_NULL) + *sid = selinux_xfrm_skb_sid_egress(skb); + + return rc; +} + /* * Security blob allocation for xfrm_policy and xfrm_state * CTX does not have a meaningful value on input diff --git a/sound/core/pcm_lib.c b/sound/core/pcm_lib.c index 41b3dfe68698..3284940a4af2 100644 --- a/sound/core/pcm_lib.c +++ b/sound/core/pcm_lib.c @@ -1936,6 +1936,8 @@ static int wait_for_avail(struct snd_pcm_substream *substream, case SNDRV_PCM_STATE_DISCONNECTED: err = -EBADFD; goto _endloop; + case SNDRV_PCM_STATE_PAUSED: + continue; } if (!tout) { snd_printd("%s write error (DMA or IRQ trouble?)\n", diff --git a/sound/pci/Kconfig b/sound/pci/Kconfig index fe6fa93a6262..daac7c7ebe9e 100644 --- a/sound/pci/Kconfig +++ b/sound/pci/Kconfig @@ -30,6 +30,7 @@ config SND_ALS300 select SND_PCM select SND_AC97_CODEC select SND_OPL3_LIB + select ZONE_DMA help Say 'Y' or 'M' to include support for Avance Logic ALS300/ALS300+ @@ -54,6 +55,7 @@ config SND_ALI5451 tristate "ALi M5451 PCI Audio Controller" select SND_MPU401_UART select SND_AC97_CODEC + select ZONE_DMA help Say Y here to include support for the integrated AC97 sound device on motherboards using the ALi M5451 Audio Controller @@ -158,6 +160,7 @@ config SND_AZT3328 select SND_PCM select SND_RAWMIDI select SND_AC97_CODEC + select ZONE_DMA help Say Y here to include support for Aztech AZF3328 (PCI168) soundcards. @@ -463,6 +466,7 @@ config SND_EMU10K1 select SND_HWDEP select SND_RAWMIDI select SND_AC97_CODEC + select ZONE_DMA help Say Y to include support for Sound Blaster PCI 512, Live!, Audigy and E-mu APS (partially supported) soundcards. @@ -478,6 +482,7 @@ config SND_EMU10K1X tristate "Emu10k1X (Dell OEM Version)" select SND_AC97_CODEC select SND_RAWMIDI + select ZONE_DMA help Say Y here to include support for the Dell OEM version of the Sound Blaster Live!. @@ -511,6 +516,7 @@ config SND_ES1938 select SND_OPL3_LIB select SND_MPU401_UART select SND_AC97_CODEC + select ZONE_DMA help Say Y here to include support for soundcards based on ESS Solo-1 (ES1938, ES1946, ES1969) chips. @@ -522,6 +528,7 @@ config SND_ES1968 tristate "ESS ES1968/1978 (Maestro-1/2/2E)" select SND_MPU401_UART select SND_AC97_CODEC + select ZONE_DMA help Say Y here to include support for soundcards based on ESS Maestro 1/2/2E chips. @@ -603,6 +610,7 @@ config SND_ICE1712 select SND_MPU401_UART select SND_AC97_CODEC select BITREVERSE + select ZONE_DMA help Say Y here to include support for soundcards based on the ICE1712 (Envy24) chip. @@ -690,6 +698,7 @@ config SND_LX6464ES config SND_MAESTRO3 tristate "ESS Allegro/Maestro3" select SND_AC97_CODEC + select ZONE_DMA help Say Y here to include support for soundcards based on ESS Maestro 3 (Allegro) chips. @@ -786,6 +795,7 @@ config SND_SIS7019 tristate "SiS 7019 Audio Accelerator" depends on X86 && !X86_64 select SND_AC97_CODEC + select ZONE_DMA help Say Y here to include support for the SiS 7019 Audio Accelerator. @@ -797,6 +807,7 @@ config SND_SONICVIBES select SND_OPL3_LIB select SND_MPU401_UART select SND_AC97_CODEC + select ZONE_DMA help Say Y here to include support for soundcards based on the S3 SonicVibes chip. @@ -808,6 +819,7 @@ config SND_TRIDENT tristate "Trident 4D-Wave DX/NX; SiS 7018" select SND_MPU401_UART select SND_AC97_CODEC + select ZONE_DMA help Say Y here to include support for soundcards based on Trident 4D-Wave DX/NX or SiS 7018 chips. diff --git a/sound/pci/hda/hda_generic.c b/sound/pci/hda/hda_generic.c index 7975031312cb..cb4d3700f330 100644 --- a/sound/pci/hda/hda_generic.c +++ b/sound/pci/hda/hda_generic.c @@ -468,6 +468,20 @@ static void invalidate_nid_path(struct hda_codec *codec, int idx) memset(path, 0, sizeof(*path)); } +/* return a DAC if paired to the given pin by codec driver */ +static hda_nid_t get_preferred_dac(struct hda_codec *codec, hda_nid_t pin) +{ + struct hda_gen_spec *spec = codec->spec; + const hda_nid_t *list = spec->preferred_dacs; + + if (!list) + return 0; + for (; *list; list += 2) + if (*list == pin) + return list[1]; + return 0; +} + /* look for an empty DAC slot */ static hda_nid_t look_for_dac(struct hda_codec *codec, hda_nid_t pin, bool is_digital) @@ -1134,7 +1148,14 @@ static int try_assign_dacs(struct hda_codec *codec, int num_outs, continue; } - dacs[i] = look_for_dac(codec, pin, false); + dacs[i] = get_preferred_dac(codec, pin); + if (dacs[i]) { + if (is_dac_already_used(codec, dacs[i])) + badness += bad->shared_primary; + } + + if (!dacs[i]) + dacs[i] = look_for_dac(codec, pin, false); if (!dacs[i] && !i) { /* try to steal the DAC of surrounds for the front */ for (j = 1; j < num_outs; j++) { @@ -2775,9 +2796,11 @@ static bool look_for_mix_leaf_ctls(struct hda_codec *codec, hda_nid_t mix_nid, if (num_conns < idx) return false; nid = list[idx]; - if (!*mix_val && nid_has_volume(codec, nid, HDA_OUTPUT)) + if (!*mix_val && nid_has_volume(codec, nid, HDA_OUTPUT) && + !is_ctl_associated(codec, nid, HDA_OUTPUT, 0, NID_PATH_VOL_CTL)) *mix_val = HDA_COMPOSE_AMP_VAL(nid, 3, 0, HDA_OUTPUT); - if (!*mute_val && nid_has_mute(codec, nid, HDA_OUTPUT)) + if (!*mute_val && nid_has_mute(codec, nid, HDA_OUTPUT) && + !is_ctl_associated(codec, nid, HDA_OUTPUT, 0, NID_PATH_MUTE_CTL)) *mute_val = HDA_COMPOSE_AMP_VAL(nid, 3, 0, HDA_OUTPUT); return *mix_val || *mute_val; @@ -4201,6 +4224,26 @@ static unsigned int snd_hda_gen_path_power_filter(struct hda_codec *codec, return AC_PWRST_D3; } +/* mute all aamix inputs initially; parse up to the first leaves */ +static void mute_all_mixer_nid(struct hda_codec *codec, hda_nid_t mix) +{ + int i, nums; + const hda_nid_t *conn; + bool has_amp; + + nums = snd_hda_get_conn_list(codec, mix, &conn); + has_amp = nid_has_mute(codec, mix, HDA_INPUT); + for (i = 0; i < nums; i++) { + if (has_amp) + snd_hda_codec_amp_stereo(codec, mix, + HDA_INPUT, i, + 0xff, HDA_AMP_MUTE); + else if (nid_has_volume(codec, conn[i], HDA_OUTPUT)) + snd_hda_codec_amp_stereo(codec, conn[i], + HDA_OUTPUT, 0, + 0xff, HDA_AMP_MUTE); + } +} /* * Parse the given BIOS configuration and set up the hda_gen_spec @@ -4339,6 +4382,10 @@ int snd_hda_gen_parse_auto_config(struct hda_codec *codec, } } + /* mute all aamix input initially */ + if (spec->mixer_nid) + mute_all_mixer_nid(codec, spec->mixer_nid); + dig_only: parse_digital(codec); diff --git a/sound/pci/hda/hda_generic.h b/sound/pci/hda/hda_generic.h index 76200314ee95..a18a1005002f 100644 --- a/sound/pci/hda/hda_generic.h +++ b/sound/pci/hda/hda_generic.h @@ -241,6 +241,9 @@ struct hda_gen_spec { const struct badness_table *main_out_badness; const struct badness_table *extra_out_badness; + /* preferred pin/DAC pairs; an array of paired NIDs */ + const hda_nid_t *preferred_dacs; + /* loopback mixing mode */ bool aamix_mode; diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index 5ebac87f18c7..30e7fd27471e 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -3707,6 +3707,10 @@ static void check_probe_mask(struct azx *chip, int dev) * white/black-list for enable_msi */ static struct snd_pci_quirk msi_black_list[] = { + SND_PCI_QUIRK(0x103c, 0x2191, "HP", 0), /* AMD Hudson */ + SND_PCI_QUIRK(0x103c, 0x2192, "HP", 0), /* AMD Hudson */ + SND_PCI_QUIRK(0x103c, 0x21f7, "HP", 0), /* AMD Hudson */ + SND_PCI_QUIRK(0x103c, 0x21fa, "HP", 0), /* AMD Hudson */ SND_PCI_QUIRK(0x1043, 0x81f2, "ASUS", 0), /* Athlon64 X2 + nvidia */ SND_PCI_QUIRK(0x1043, 0x81f6, "ASUS", 0), /* nvidia */ SND_PCI_QUIRK(0x1043, 0x822d, "ASUS", 0), /* Athlon64 X2 + nvidia MCP55 */ diff --git a/sound/pci/hda/patch_analog.c b/sound/pci/hda/patch_analog.c index e17b55a95bc5..5a6527668c07 100644 --- a/sound/pci/hda/patch_analog.c +++ b/sound/pci/hda/patch_analog.c @@ -1227,6 +1227,14 @@ static int ad1986a_parse_auto_config(struct hda_codec *codec) { int err; struct ad198x_spec *spec; + static hda_nid_t preferred_pairs[] = { + 0x1a, 0x03, + 0x1b, 0x03, + 0x1c, 0x04, + 0x1d, 0x05, + 0x1e, 0x03, + 0 + }; err = alloc_ad_spec(codec); if (err < 0) @@ -1247,6 +1255,8 @@ static int ad1986a_parse_auto_config(struct hda_codec *codec) * So, let's disable the shared stream. */ spec->gen.multiout.no_share_stream = 1; + /* give fixed DAC/pin pairs */ + spec->gen.preferred_dacs = preferred_pairs; snd_hda_pick_fixup(codec, NULL, ad1986a_fixup_tbl, ad1986a_fixups); snd_hda_apply_fixup(codec, HDA_FIXUP_ACT_PRE_PROBE); @@ -1670,6 +1680,7 @@ static int ad1983_parse_auto_config(struct hda_codec *codec) return err; spec = codec->spec; + spec->gen.mixer_nid = 0x0e; spec->gen.beep_nid = 0x10; set_beep_amp(spec, 0x10, 0, HDA_OUTPUT); err = ad198x_parse_auto_config(codec); diff --git a/sound/pci/hda/patch_ca0132.c b/sound/pci/hda/patch_ca0132.c index 90ff7a3f72df..01fefbe29e4a 100644 --- a/sound/pci/hda/patch_ca0132.c +++ b/sound/pci/hda/patch_ca0132.c @@ -2662,60 +2662,6 @@ static bool dspload_wait_loaded(struct hda_codec *codec) } /* - * PCM stuffs - */ -static void ca0132_setup_stream(struct hda_codec *codec, hda_nid_t nid, - u32 stream_tag, - int channel_id, int format) -{ - unsigned int oldval, newval; - - if (!nid) - return; - - snd_printdd( - "ca0132_setup_stream: NID=0x%x, stream=0x%x, " - "channel=%d, format=0x%x\n", - nid, stream_tag, channel_id, format); - - /* update the format-id if changed */ - oldval = snd_hda_codec_read(codec, nid, 0, - AC_VERB_GET_STREAM_FORMAT, - 0); - if (oldval != format) { - msleep(20); - snd_hda_codec_write(codec, nid, 0, - AC_VERB_SET_STREAM_FORMAT, - format); - } - - oldval = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONV, 0); - newval = (stream_tag << 4) | channel_id; - if (oldval != newval) { - snd_hda_codec_write(codec, nid, 0, - AC_VERB_SET_CHANNEL_STREAMID, - newval); - } -} - -static void ca0132_cleanup_stream(struct hda_codec *codec, hda_nid_t nid) -{ - unsigned int val; - - if (!nid) - return; - - snd_printdd(KERN_INFO "ca0132_cleanup_stream: NID=0x%x\n", nid); - - val = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONV, 0); - if (!val) - return; - - snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_STREAM_FORMAT, 0); - snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_CHANNEL_STREAMID, 0); -} - -/* * PCM callbacks */ static int ca0132_playback_pcm_prepare(struct hda_pcm_stream *hinfo, @@ -2726,7 +2672,7 @@ static int ca0132_playback_pcm_prepare(struct hda_pcm_stream *hinfo, { struct ca0132_spec *spec = codec->spec; - ca0132_setup_stream(codec, spec->dacs[0], stream_tag, 0, format); + snd_hda_codec_setup_stream(codec, spec->dacs[0], stream_tag, 0, format); return 0; } @@ -2745,7 +2691,7 @@ static int ca0132_playback_pcm_cleanup(struct hda_pcm_stream *hinfo, if (spec->effects_switch[PLAY_ENHANCEMENT - EFFECT_START_NID]) msleep(50); - ca0132_cleanup_stream(codec, spec->dacs[0]); + snd_hda_codec_cleanup_stream(codec, spec->dacs[0]); return 0; } @@ -2822,10 +2768,8 @@ static int ca0132_capture_pcm_prepare(struct hda_pcm_stream *hinfo, unsigned int format, struct snd_pcm_substream *substream) { - struct ca0132_spec *spec = codec->spec; - - ca0132_setup_stream(codec, spec->adcs[substream->number], - stream_tag, 0, format); + snd_hda_codec_setup_stream(codec, hinfo->nid, + stream_tag, 0, format); return 0; } @@ -2839,7 +2783,7 @@ static int ca0132_capture_pcm_cleanup(struct hda_pcm_stream *hinfo, if (spec->dsp_state == DSP_DOWNLOADING) return 0; - ca0132_cleanup_stream(codec, hinfo->nid); + snd_hda_codec_cleanup_stream(codec, hinfo->nid); return 0; } @@ -4742,6 +4686,8 @@ static int patch_ca0132(struct hda_codec *codec) return err; codec->patch_ops = ca0132_patch_ops; + codec->pcm_format_first = 1; + codec->no_sticky_stream = 1; return 0; } diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c index 81971cd9062f..5790d23d4927 100644 --- a/sound/pci/hda/patch_hdmi.c +++ b/sound/pci/hda/patch_hdmi.c @@ -91,6 +91,9 @@ struct hdmi_spec { unsigned int channels_max; /* max over all cvts */ struct hdmi_eld temp_eld; + + bool dyn_pin_out; + /* * Non-generic ATI/NVIDIA specific */ @@ -455,15 +458,25 @@ static void hdmi_write_dip_byte(struct hda_codec *codec, hda_nid_t pin_nid, static void hdmi_init_pin(struct hda_codec *codec, hda_nid_t pin_nid) { + struct hdmi_spec *spec = codec->spec; + int pin_out; + /* Unmute */ if (get_wcaps(codec, pin_nid) & AC_WCAP_OUT_AMP) snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_UNMUTE); - /* Enable pin out: some machines with GM965 gets broken output when - * the pin is disabled or changed while using with HDMI - */ + + if (spec->dyn_pin_out) + /* Disable pin out until stream is active */ + pin_out = 0; + else + /* Enable pin out: some machines with GM965 gets broken output + * when the pin is disabled or changed while using with HDMI + */ + pin_out = PIN_OUT; + snd_hda_codec_write(codec, pin_nid, 0, - AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT); + AC_VERB_SET_PIN_WIDGET_CONTROL, pin_out); } static int hdmi_get_channel_count(struct hda_codec *codec, hda_nid_t cvt_nid) @@ -1555,6 +1568,7 @@ static int generic_hdmi_playback_pcm_prepare(struct hda_pcm_stream *hinfo, struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx); hda_nid_t pin_nid = per_pin->pin_nid; bool non_pcm; + int pinctl; non_pcm = check_non_pcm_per_cvt(codec, cvt_nid); per_pin->channels = substream->runtime->channels; @@ -1588,6 +1602,14 @@ static int generic_hdmi_playback_pcm_prepare(struct hda_pcm_stream *hinfo, hdmi_setup_audio_infoframe(codec, per_pin, non_pcm); + if (spec->dyn_pin_out) { + pinctl = snd_hda_codec_read(codec, pin_nid, 0, + AC_VERB_GET_PIN_WIDGET_CONTROL, 0); + snd_hda_codec_write(codec, pin_nid, 0, + AC_VERB_SET_PIN_WIDGET_CONTROL, + pinctl | PIN_OUT); + } + return hdmi_setup_stream(codec, cvt_nid, pin_nid, stream_tag, format); } @@ -1607,6 +1629,7 @@ static int hdmi_pcm_close(struct hda_pcm_stream *hinfo, int cvt_idx, pin_idx; struct hdmi_spec_per_cvt *per_cvt; struct hdmi_spec_per_pin *per_pin; + int pinctl; if (hinfo->nid) { cvt_idx = cvt_nid_to_cvt_index(spec, hinfo->nid); @@ -1623,6 +1646,14 @@ static int hdmi_pcm_close(struct hda_pcm_stream *hinfo, return -EINVAL; per_pin = get_pin(spec, pin_idx); + if (spec->dyn_pin_out) { + pinctl = snd_hda_codec_read(codec, per_pin->pin_nid, 0, + AC_VERB_GET_PIN_WIDGET_CONTROL, 0); + snd_hda_codec_write(codec, per_pin->pin_nid, 0, + AC_VERB_SET_PIN_WIDGET_CONTROL, + pinctl & ~PIN_OUT); + } + snd_hda_spdif_ctls_unassign(codec, pin_idx); per_pin->chmap_set = false; memset(per_pin->chmap, 0, sizeof(per_pin->chmap)); @@ -2135,8 +2166,9 @@ static int simple_playback_build_controls(struct hda_codec *codec) int err; per_cvt = get_cvt(spec, 0); - err = snd_hda_create_spdif_out_ctls(codec, per_cvt->cvt_nid, - per_cvt->cvt_nid); + err = snd_hda_create_dig_out_ctls(codec, per_cvt->cvt_nid, + per_cvt->cvt_nid, + HDA_PCM_TYPE_HDMI); if (err < 0) return err; return simple_hdmi_build_jack(codec, 0); @@ -2609,6 +2641,21 @@ static int patch_nvhdmi_8ch_7x(struct hda_codec *codec) return 0; } +static int patch_nvhdmi(struct hda_codec *codec) +{ + struct hdmi_spec *spec; + int err; + + err = patch_generic_hdmi(codec); + if (err) + return err; + + spec = codec->spec; + spec->dyn_pin_out = true; + + return 0; +} + /* * ATI-specific implementations * @@ -2681,34 +2728,34 @@ static const struct hda_codec_preset snd_hda_preset_hdmi[] = { { .id = 0x10de0005, .name = "MCP77/78 HDMI", .patch = patch_nvhdmi_8ch_7x }, { .id = 0x10de0006, .name = "MCP77/78 HDMI", .patch = patch_nvhdmi_8ch_7x }, { .id = 0x10de0007, .name = "MCP79/7A HDMI", .patch = patch_nvhdmi_8ch_7x }, -{ .id = 0x10de000a, .name = "GPU 0a HDMI/DP", .patch = patch_generic_hdmi }, -{ .id = 0x10de000b, .name = "GPU 0b HDMI/DP", .patch = patch_generic_hdmi }, -{ .id = 0x10de000c, .name = "MCP89 HDMI", .patch = patch_generic_hdmi }, -{ .id = 0x10de000d, .name = "GPU 0d HDMI/DP", .patch = patch_generic_hdmi }, -{ .id = 0x10de0010, .name = "GPU 10 HDMI/DP", .patch = patch_generic_hdmi }, -{ .id = 0x10de0011, .name = "GPU 11 HDMI/DP", .patch = patch_generic_hdmi }, -{ .id = 0x10de0012, .name = "GPU 12 HDMI/DP", .patch = patch_generic_hdmi }, -{ .id = 0x10de0013, .name = "GPU 13 HDMI/DP", .patch = patch_generic_hdmi }, -{ .id = 0x10de0014, .name = "GPU 14 HDMI/DP", .patch = patch_generic_hdmi }, -{ .id = 0x10de0015, .name = "GPU 15 HDMI/DP", .patch = patch_generic_hdmi }, -{ .id = 0x10de0016, .name = "GPU 16 HDMI/DP", .patch = patch_generic_hdmi }, +{ .id = 0x10de000a, .name = "GPU 0a HDMI/DP", .patch = patch_nvhdmi }, +{ .id = 0x10de000b, .name = "GPU 0b HDMI/DP", .patch = patch_nvhdmi }, +{ .id = 0x10de000c, .name = "MCP89 HDMI", .patch = patch_nvhdmi }, +{ .id = 0x10de000d, .name = "GPU 0d HDMI/DP", .patch = patch_nvhdmi }, +{ .id = 0x10de0010, .name = "GPU 10 HDMI/DP", .patch = patch_nvhdmi }, +{ .id = 0x10de0011, .name = "GPU 11 HDMI/DP", .patch = patch_nvhdmi }, +{ .id = 0x10de0012, .name = "GPU 12 HDMI/DP", .patch = patch_nvhdmi }, +{ .id = 0x10de0013, .name = "GPU 13 HDMI/DP", .patch = patch_nvhdmi }, +{ .id = 0x10de0014, .name = "GPU 14 HDMI/DP", .patch = patch_nvhdmi }, +{ .id = 0x10de0015, .name = "GPU 15 HDMI/DP", .patch = patch_nvhdmi }, +{ .id = 0x10de0016, .name = "GPU 16 HDMI/DP", .patch = patch_nvhdmi }, /* 17 is known to be absent */ -{ .id = 0x10de0018, .name = "GPU 18 HDMI/DP", .patch = patch_generic_hdmi }, -{ .id = 0x10de0019, .name = "GPU 19 HDMI/DP", .patch = patch_generic_hdmi }, -{ .id = 0x10de001a, .name = "GPU 1a HDMI/DP", .patch = patch_generic_hdmi }, -{ .id = 0x10de001b, .name = "GPU 1b HDMI/DP", .patch = patch_generic_hdmi }, -{ .id = 0x10de001c, .name = "GPU 1c HDMI/DP", .patch = patch_generic_hdmi }, +{ .id = 0x10de0018, .name = "GPU 18 HDMI/DP", .patch = patch_nvhdmi}, +{ .id = 0x10de0019, .name = "GPU 19 HDMI/DP", .patch = patch_nvhdmi}, +{ .id = 0x10de001a, .name = "GPU 1a HDMI/DP", .patch = patch_nvhdmi}, +{ .id = 0x10de001b, .name = "GPU 1b HDMI/DP", .patch = patch_nvhdmi}, +{ .id = 0x10de001c, .name = "GPU 1c HDMI/DP", .patch = patch_nvhdmi}, { .id = 0x10de0020, .name = "Tegra30 HDMI", .patch = patch_generic_hdmi }, { .id = 0x10de0022, .name = "Tegra35 HDMI", .patch = patch_generic_hdmi }, { .id = 0x10de002a, .name = "Tegra14x HDMI", .patch = patch_generic_hdmi }, { .id = 0x10de0028, .name = "Tegra12x HDMI", .patch = patch_generic_hdmi }, -{ .id = 0x10de0040, .name = "GPU 40 HDMI/DP", .patch = patch_generic_hdmi }, -{ .id = 0x10de0041, .name = "GPU 41 HDMI/DP", .patch = patch_generic_hdmi }, -{ .id = 0x10de0042, .name = "GPU 42 HDMI/DP", .patch = patch_generic_hdmi }, -{ .id = 0x10de0043, .name = "GPU 43 HDMI/DP", .patch = patch_generic_hdmi }, -{ .id = 0x10de0044, .name = "GPU 44 HDMI/DP", .patch = patch_generic_hdmi }, -{ .id = 0x10de0051, .name = "GPU 51 HDMI/DP", .patch = patch_generic_hdmi }, -{ .id = 0x10de0060, .name = "GPU 60 HDMI/DP", .patch = patch_generic_hdmi }, +{ .id = 0x10de0040, .name = "GPU 40 HDMI/DP", .patch = patch_nvhdmi}, +{ .id = 0x10de0041, .name = "GPU 41 HDMI/DP", .patch = patch_nvhdmi}, +{ .id = 0x10de0042, .name = "GPU 42 HDMI/DP", .patch = patch_nvhdmi}, +{ .id = 0x10de0043, .name = "GPU 43 HDMI/DP", .patch = patch_nvhdmi}, +{ .id = 0x10de0044, .name = "GPU 44 HDMI/DP", .patch = patch_nvhdmi}, +{ .id = 0x10de0051, .name = "GPU 51 HDMI/DP", .patch = patch_nvhdmi}, +{ .id = 0x10de0060, .name = "GPU 60 HDMI/DP", .patch = patch_nvhdmi}, { .id = 0x10de0067, .name = "MCP67 HDMI", .patch = patch_nvhdmi_2ch }, { .id = 0x10de8001, .name = "MCP73 HDMI", .patch = patch_nvhdmi_2ch }, { .id = 0x11069f80, .name = "VX900 HDMI/DP", .patch = patch_via_hdmi }, diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index 937079a5265a..e0bdcb3ecf0e 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -1763,7 +1763,9 @@ enum { ALC889_FIXUP_DAC_ROUTE, ALC889_FIXUP_MBP_VREF, ALC889_FIXUP_IMAC91_VREF, + ALC889_FIXUP_MBA11_VREF, ALC889_FIXUP_MBA21_VREF, + ALC889_FIXUP_MP11_VREF, ALC882_FIXUP_INV_DMIC, ALC882_FIXUP_NO_PRIMARY_HP, ALC887_FIXUP_ASUS_BASS, @@ -1892,6 +1894,16 @@ static void alc889_fixup_imac91_vref(struct hda_codec *codec, alc889_fixup_mac_pins(codec, nids, ARRAY_SIZE(nids)); } +/* Set VREF on speaker pins on mba11 */ +static void alc889_fixup_mba11_vref(struct hda_codec *codec, + const struct hda_fixup *fix, int action) +{ + static hda_nid_t nids[1] = { 0x18 }; + + if (action == HDA_FIXUP_ACT_INIT) + alc889_fixup_mac_pins(codec, nids, ARRAY_SIZE(nids)); +} + /* Set VREF on speaker pins on mba21 */ static void alc889_fixup_mba21_vref(struct hda_codec *codec, const struct hda_fixup *fix, int action) @@ -2096,12 +2108,24 @@ static const struct hda_fixup alc882_fixups[] = { .chained = true, .chain_id = ALC882_FIXUP_GPIO1, }, + [ALC889_FIXUP_MBA11_VREF] = { + .type = HDA_FIXUP_FUNC, + .v.func = alc889_fixup_mba11_vref, + .chained = true, + .chain_id = ALC889_FIXUP_MBP_VREF, + }, [ALC889_FIXUP_MBA21_VREF] = { .type = HDA_FIXUP_FUNC, .v.func = alc889_fixup_mba21_vref, .chained = true, .chain_id = ALC889_FIXUP_MBP_VREF, }, + [ALC889_FIXUP_MP11_VREF] = { + .type = HDA_FIXUP_FUNC, + .v.func = alc889_fixup_mba11_vref, + .chained = true, + .chain_id = ALC885_FIXUP_MACPRO_GPIO, + }, [ALC882_FIXUP_INV_DMIC] = { .type = HDA_FIXUP_FUNC, .v.func = alc_fixup_inv_dmic_0x12, @@ -2159,13 +2183,13 @@ static const struct snd_pci_quirk alc882_fixup_tbl[] = { SND_PCI_QUIRK(0x106b, 0x00a0, "MacBookPro 3,1", ALC889_FIXUP_MBP_VREF), SND_PCI_QUIRK(0x106b, 0x00a1, "Macbook", ALC889_FIXUP_MBP_VREF), SND_PCI_QUIRK(0x106b, 0x00a4, "MacbookPro 4,1", ALC889_FIXUP_MBP_VREF), - SND_PCI_QUIRK(0x106b, 0x0c00, "Mac Pro", ALC885_FIXUP_MACPRO_GPIO), + SND_PCI_QUIRK(0x106b, 0x0c00, "Mac Pro", ALC889_FIXUP_MP11_VREF), SND_PCI_QUIRK(0x106b, 0x1000, "iMac 24", ALC885_FIXUP_MACPRO_GPIO), SND_PCI_QUIRK(0x106b, 0x2800, "AppleTV", ALC885_FIXUP_MACPRO_GPIO), SND_PCI_QUIRK(0x106b, 0x2c00, "MacbookPro rev3", ALC889_FIXUP_MBP_VREF), SND_PCI_QUIRK(0x106b, 0x3000, "iMac", ALC889_FIXUP_MBP_VREF), SND_PCI_QUIRK(0x106b, 0x3200, "iMac 7,1 Aluminum", ALC882_FIXUP_EAPD), - SND_PCI_QUIRK(0x106b, 0x3400, "MacBookAir 1,1", ALC889_FIXUP_MBP_VREF), + SND_PCI_QUIRK(0x106b, 0x3400, "MacBookAir 1,1", ALC889_FIXUP_MBA11_VREF), SND_PCI_QUIRK(0x106b, 0x3500, "MacBookAir 2,1", ALC889_FIXUP_MBA21_VREF), SND_PCI_QUIRK(0x106b, 0x3600, "Macbook 3,1", ALC889_FIXUP_MBP_VREF), SND_PCI_QUIRK(0x106b, 0x3800, "MacbookPro 4,1", ALC889_FIXUP_MBP_VREF), @@ -3676,6 +3700,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x1043, 0x8398, "ASUS P1005", ALC269_FIXUP_STEREO_DMIC), SND_PCI_QUIRK(0x1043, 0x83ce, "ASUS P1005", ALC269_FIXUP_STEREO_DMIC), SND_PCI_QUIRK(0x1043, 0x8516, "ASUS X101CH", ALC269_FIXUP_ASUS_X101), + SND_PCI_QUIRK(0x104d, 0x90b5, "Sony VAIO Pro 11", ALC286_FIXUP_SONY_MIC_NO_PRESENCE), SND_PCI_QUIRK(0x104d, 0x90b6, "Sony VAIO Pro 13", ALC286_FIXUP_SONY_MIC_NO_PRESENCE), SND_PCI_QUIRK(0x104d, 0x9073, "Sony VAIO", ALC275_FIXUP_SONY_VAIO_GPIO2), SND_PCI_QUIRK(0x104d, 0x907b, "Sony VAIO", ALC275_FIXUP_SONY_HWEQ), diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c index dc4833f47a2b..0c521b7752b2 100644 --- a/sound/pci/hda/patch_sigmatel.c +++ b/sound/pci/hda/patch_sigmatel.c @@ -83,6 +83,7 @@ enum { STAC_DELL_M6_BOTH, STAC_DELL_EQ, STAC_ALIENWARE_M17X, + STAC_92HD89XX_HP_FRONT_JACK, STAC_92HD73XX_MODELS }; @@ -97,6 +98,7 @@ enum { STAC_92HD83XXX_HP_LED, STAC_92HD83XXX_HP_INV_LED, STAC_92HD83XXX_HP_MIC_LED, + STAC_HP_LED_GPIO10, STAC_92HD83XXX_HEADSET_JACK, STAC_92HD83XXX_HP, STAC_HP_ENVY_BASS, @@ -1775,6 +1777,12 @@ static const struct hda_pintbl intel_dg45id_pin_configs[] = { {} }; +static const struct hda_pintbl stac92hd89xx_hp_front_jack_pin_configs[] = { + { 0x0a, 0x02214030 }, + { 0x0b, 0x02A19010 }, + {} +}; + static void stac92hd73xx_fixup_ref(struct hda_codec *codec, const struct hda_fixup *fix, int action) { @@ -1893,6 +1901,10 @@ static const struct hda_fixup stac92hd73xx_fixups[] = { [STAC_92HD73XX_NO_JD] = { .type = HDA_FIXUP_FUNC, .v.func = stac92hd73xx_fixup_no_jd, + }, + [STAC_92HD89XX_HP_FRONT_JACK] = { + .type = HDA_FIXUP_PINS, + .v.pins = stac92hd89xx_hp_front_jack_pin_configs, } }; @@ -1953,6 +1965,8 @@ static const struct snd_pci_quirk stac92hd73xx_fixup_tbl[] = { "Alienware M17x", STAC_ALIENWARE_M17X), SND_PCI_QUIRK(PCI_VENDOR_ID_DELL, 0x0490, "Alienware M17x R3", STAC_DELL_EQ), + SND_PCI_QUIRK(PCI_VENDOR_ID_HP, 0x2b17, + "unknown HP", STAC_92HD89XX_HP_FRONT_JACK), {} /* terminator */ }; @@ -2094,6 +2108,17 @@ static void stac92hd83xxx_fixup_hp_mic_led(struct hda_codec *codec, spec->mic_mute_led_gpio = 0x08; /* GPIO3 */ } +static void stac92hd83xxx_fixup_hp_led_gpio10(struct hda_codec *codec, + const struct hda_fixup *fix, int action) +{ + struct sigmatel_spec *spec = codec->spec; + + if (action == HDA_FIXUP_ACT_PRE_PROBE) { + spec->gpio_led = 0x10; /* GPIO4 */ + spec->default_polarity = 0; + } +} + static void stac92hd83xxx_fixup_headset_jack(struct hda_codec *codec, const struct hda_fixup *fix, int action) { @@ -2160,6 +2185,12 @@ static const struct hda_fixup stac92hd83xxx_fixups[] = { .chained = true, .chain_id = STAC_92HD83XXX_HP, }, + [STAC_HP_LED_GPIO10] = { + .type = HDA_FIXUP_FUNC, + .v.func = stac92hd83xxx_fixup_hp_led_gpio10, + .chained = true, + .chain_id = STAC_92HD83XXX_HP, + }, [STAC_92HD83XXX_HEADSET_JACK] = { .type = HDA_FIXUP_FUNC, .v.func = stac92hd83xxx_fixup_headset_jack, @@ -2231,6 +2262,8 @@ static const struct snd_pci_quirk stac92hd83xxx_fixup_tbl[] = { "HP", STAC_92HD83XXX_HP_cNB11_INTQUAD), SND_PCI_QUIRK(PCI_VENDOR_ID_HP, 0x1888, "HP Envy Spectre", STAC_HP_ENVY_BASS), + SND_PCI_QUIRK(PCI_VENDOR_ID_HP, 0x1899, + "HP Folio 13", STAC_HP_LED_GPIO10), SND_PCI_QUIRK(PCI_VENDOR_ID_HP, 0x18df, "HP Folio", STAC_92HD83XXX_HP_MIC_LED), SND_PCI_QUIRK_MASK(PCI_VENDOR_ID_HP, 0xff00, 0x1900, diff --git a/sound/pci/rme9652/rme9652.c b/sound/pci/rme9652/rme9652.c index 773a67fff4cd..431bf6897dd6 100644 --- a/sound/pci/rme9652/rme9652.c +++ b/sound/pci/rme9652/rme9652.c @@ -285,7 +285,7 @@ static char channel_map_9636_ds[26] = { /* ADAT channels are remapped */ 1, 3, 5, 7, 9, 11, 13, 15, /* channels 8 and 9 are S/PDIF */ - 24, 25 + 24, 25, /* others don't exist */ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }; diff --git a/sound/soc/codecs/adau1701.c b/sound/soc/codecs/adau1701.c index dafdbe87edeb..0c499c638692 100644 --- a/sound/soc/codecs/adau1701.c +++ b/sound/soc/codecs/adau1701.c @@ -64,7 +64,7 @@ #define ADAU1701_SEROCTL_WORD_LEN_24 0x0000 #define ADAU1701_SEROCTL_WORD_LEN_20 0x0001 -#define ADAU1701_SEROCTL_WORD_LEN_16 0x0010 +#define ADAU1701_SEROCTL_WORD_LEN_16 0x0002 #define ADAU1701_SEROCTL_WORD_LEN_MASK 0x0003 #define ADAU1701_AUXNPOW_VBPD 0x40 diff --git a/sound/soc/codecs/da732x.c b/sound/soc/codecs/da732x.c index dc0284dc9e6f..76fdf0a598bc 100644 --- a/sound/soc/codecs/da732x.c +++ b/sound/soc/codecs/da732x.c @@ -1268,11 +1268,23 @@ static struct snd_soc_dai_driver da732x_dai[] = { }, }; +static bool da732x_volatile(struct device *dev, unsigned int reg) +{ + switch (reg) { + case DA732X_REG_HPL_DAC_OFF_CNTL: + case DA732X_REG_HPR_DAC_OFF_CNTL: + return true; + default: + return false; + } +} + static const struct regmap_config da732x_regmap = { .reg_bits = 8, .val_bits = 8, .max_register = DA732X_MAX_REG, + .volatile_reg = da732x_volatile, .reg_defaults = da732x_reg_cache, .num_reg_defaults = ARRAY_SIZE(da732x_reg_cache), .cache_type = REGCACHE_RBTREE, diff --git a/sound/soc/codecs/max98090.c b/sound/soc/codecs/max98090.c index 5e353853cc13..db65db932c4e 100644 --- a/sound/soc/codecs/max98090.c +++ b/sound/soc/codecs/max98090.c @@ -2520,6 +2520,16 @@ static int max98090_set_bias_level(struct snd_soc_codec *codec, break; case SND_SOC_BIAS_STANDBY: + if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) { + ret = snd_soc_cache_sync(codec); + if (ret != 0) { + dev_err(codec->dev, + "Failed to sync cache: %d\n", ret); + return ret; + } + } + break; + case SND_SOC_BIAS_OFF: snd_soc_update_bits(codec, M98090_REG_3E_PWR_EN_IN, M98090_PWR_MBEN_MASK, 0); diff --git a/sound/soc/codecs/sta32x.c b/sound/soc/codecs/sta32x.c index cfb55fe35e98..8517e70bc24b 100644 --- a/sound/soc/codecs/sta32x.c +++ b/sound/soc/codecs/sta32x.c @@ -187,42 +187,42 @@ static const unsigned int sta32x_limiter_drc_release_tlv[] = { 13, 16, TLV_DB_SCALE_ITEM(-1500, 300, 0), }; -static const struct soc_enum sta32x_drc_ac_enum = - SOC_ENUM_SINGLE(STA32X_CONFD, STA32X_CONFD_DRC_SHIFT, - 2, sta32x_drc_ac); -static const struct soc_enum sta32x_auto_eq_enum = - SOC_ENUM_SINGLE(STA32X_AUTO1, STA32X_AUTO1_AMEQ_SHIFT, - 3, sta32x_auto_eq_mode); -static const struct soc_enum sta32x_auto_gc_enum = - SOC_ENUM_SINGLE(STA32X_AUTO1, STA32X_AUTO1_AMGC_SHIFT, - 4, sta32x_auto_gc_mode); -static const struct soc_enum sta32x_auto_xo_enum = - SOC_ENUM_SINGLE(STA32X_AUTO2, STA32X_AUTO2_XO_SHIFT, - 16, sta32x_auto_xo_mode); -static const struct soc_enum sta32x_preset_eq_enum = - SOC_ENUM_SINGLE(STA32X_AUTO3, STA32X_AUTO3_PEQ_SHIFT, - 32, sta32x_preset_eq_mode); -static const struct soc_enum sta32x_limiter_ch1_enum = - SOC_ENUM_SINGLE(STA32X_C1CFG, STA32X_CxCFG_LS_SHIFT, - 3, sta32x_limiter_select); -static const struct soc_enum sta32x_limiter_ch2_enum = - SOC_ENUM_SINGLE(STA32X_C2CFG, STA32X_CxCFG_LS_SHIFT, - 3, sta32x_limiter_select); -static const struct soc_enum sta32x_limiter_ch3_enum = - SOC_ENUM_SINGLE(STA32X_C3CFG, STA32X_CxCFG_LS_SHIFT, - 3, sta32x_limiter_select); -static const struct soc_enum sta32x_limiter1_attack_rate_enum = - SOC_ENUM_SINGLE(STA32X_L1AR, STA32X_LxA_SHIFT, - 16, sta32x_limiter_attack_rate); -static const struct soc_enum sta32x_limiter2_attack_rate_enum = - SOC_ENUM_SINGLE(STA32X_L2AR, STA32X_LxA_SHIFT, - 16, sta32x_limiter_attack_rate); -static const struct soc_enum sta32x_limiter1_release_rate_enum = - SOC_ENUM_SINGLE(STA32X_L1AR, STA32X_LxR_SHIFT, - 16, sta32x_limiter_release_rate); -static const struct soc_enum sta32x_limiter2_release_rate_enum = - SOC_ENUM_SINGLE(STA32X_L2AR, STA32X_LxR_SHIFT, - 16, sta32x_limiter_release_rate); +static SOC_ENUM_SINGLE_DECL(sta32x_drc_ac_enum, + STA32X_CONFD, STA32X_CONFD_DRC_SHIFT, + sta32x_drc_ac); +static SOC_ENUM_SINGLE_DECL(sta32x_auto_eq_enum, + STA32X_AUTO1, STA32X_AUTO1_AMEQ_SHIFT, + sta32x_auto_eq_mode); +static SOC_ENUM_SINGLE_DECL(sta32x_auto_gc_enum, + STA32X_AUTO1, STA32X_AUTO1_AMGC_SHIFT, + sta32x_auto_gc_mode); +static SOC_ENUM_SINGLE_DECL(sta32x_auto_xo_enum, + STA32X_AUTO2, STA32X_AUTO2_XO_SHIFT, + sta32x_auto_xo_mode); +static SOC_ENUM_SINGLE_DECL(sta32x_preset_eq_enum, + STA32X_AUTO3, STA32X_AUTO3_PEQ_SHIFT, + sta32x_preset_eq_mode); +static SOC_ENUM_SINGLE_DECL(sta32x_limiter_ch1_enum, + STA32X_C1CFG, STA32X_CxCFG_LS_SHIFT, + sta32x_limiter_select); +static SOC_ENUM_SINGLE_DECL(sta32x_limiter_ch2_enum, + STA32X_C2CFG, STA32X_CxCFG_LS_SHIFT, + sta32x_limiter_select); +static SOC_ENUM_SINGLE_DECL(sta32x_limiter_ch3_enum, + STA32X_C3CFG, STA32X_CxCFG_LS_SHIFT, + sta32x_limiter_select); +static SOC_ENUM_SINGLE_DECL(sta32x_limiter1_attack_rate_enum, + STA32X_L1AR, STA32X_LxA_SHIFT, + sta32x_limiter_attack_rate); +static SOC_ENUM_SINGLE_DECL(sta32x_limiter2_attack_rate_enum, + STA32X_L2AR, STA32X_LxA_SHIFT, + sta32x_limiter_attack_rate); +static SOC_ENUM_SINGLE_DECL(sta32x_limiter1_release_rate_enum, + STA32X_L1AR, STA32X_LxR_SHIFT, + sta32x_limiter_release_rate); +static SOC_ENUM_SINGLE_DECL(sta32x_limiter2_release_rate_enum, + STA32X_L2AR, STA32X_LxR_SHIFT, + sta32x_limiter_release_rate); /* byte array controls for setting biquad, mixer, scaling coefficients; * for biquads all five coefficients need to be set in one go, @@ -331,7 +331,7 @@ static int sta32x_sync_coef_shadow(struct snd_soc_codec *codec) static int sta32x_cache_sync(struct snd_soc_codec *codec) { - struct sta32x_priv *sta32x = codec->control_data; + struct sta32x_priv *sta32x = snd_soc_codec_get_drvdata(codec); unsigned int mute; int rc; @@ -432,7 +432,7 @@ SOC_SINGLE_TLV("Treble Tone Control", STA32X_TONE, STA32X_TONE_TTC_SHIFT, 15, 0, SOC_ENUM("Limiter1 Attack Rate (dB/ms)", sta32x_limiter1_attack_rate_enum), SOC_ENUM("Limiter2 Attack Rate (dB/ms)", sta32x_limiter2_attack_rate_enum), SOC_ENUM("Limiter1 Release Rate (dB/ms)", sta32x_limiter1_release_rate_enum), -SOC_ENUM("Limiter2 Release Rate (dB/ms)", sta32x_limiter1_release_rate_enum), +SOC_ENUM("Limiter2 Release Rate (dB/ms)", sta32x_limiter2_release_rate_enum), /* depending on mode, the attack/release thresholds have * two different enum definitions; provide both diff --git a/sound/soc/codecs/wm5110.c b/sound/soc/codecs/wm5110.c index cd6ed88409d7..3775394c9c8b 100644 --- a/sound/soc/codecs/wm5110.c +++ b/sound/soc/codecs/wm5110.c @@ -43,6 +43,54 @@ static const struct reg_default wm5110_sysclk_revd_patch[] = { { 0x3133, 0x1201 }, { 0x3183, 0x1501 }, { 0x31D3, 0x1401 }, + { 0x0049, 0x01ea }, + { 0x004a, 0x01f2 }, + { 0x0057, 0x01e7 }, + { 0x0058, 0x01fb }, + { 0x33ce, 0xc4f5 }, + { 0x33cf, 0x1361 }, + { 0x33d0, 0x0402 }, + { 0x33d1, 0x4700 }, + { 0x33d2, 0x026d }, + { 0x33d3, 0xff00 }, + { 0x33d4, 0x026d }, + { 0x33d5, 0x0101 }, + { 0x33d6, 0xc4f5 }, + { 0x33d7, 0x0361 }, + { 0x33d8, 0x0402 }, + { 0x33d9, 0x6701 }, + { 0x33da, 0xc4f5 }, + { 0x33db, 0x136f }, + { 0x33dc, 0xc4f5 }, + { 0x33dd, 0x134f }, + { 0x33de, 0xc4f5 }, + { 0x33df, 0x131f }, + { 0x33e0, 0x026d }, + { 0x33e1, 0x4f01 }, + { 0x33e2, 0x026d }, + { 0x33e3, 0xf100 }, + { 0x33e4, 0x026d }, + { 0x33e5, 0x0001 }, + { 0x33e6, 0xc4f5 }, + { 0x33e7, 0x0361 }, + { 0x33e8, 0x0402 }, + { 0x33e9, 0x6601 }, + { 0x33ea, 0xc4f5 }, + { 0x33eb, 0x136f }, + { 0x33ec, 0xc4f5 }, + { 0x33ed, 0x134f }, + { 0x33ee, 0xc4f5 }, + { 0x33ef, 0x131f }, + { 0x33f0, 0x026d }, + { 0x33f1, 0x4e01 }, + { 0x33f2, 0x026d }, + { 0x33f3, 0xf000 }, + { 0x33f6, 0xc4f5 }, + { 0x33f7, 0x1361 }, + { 0x33f8, 0x0402 }, + { 0x33f9, 0x4600 }, + { 0x33fa, 0x026d }, + { 0x33fb, 0xfe00 }, }; static int wm5110_sysclk_ev(struct snd_soc_dapm_widget *w, @@ -897,7 +945,7 @@ static const struct snd_soc_dapm_route wm5110_dapm_routes[] = { { "HPOUT2R", NULL, "OUT2R" }, { "HPOUT3L", NULL, "OUT3L" }, - { "HPOUT3R", NULL, "OUT3L" }, + { "HPOUT3R", NULL, "OUT3R" }, { "SPKOUTLN", NULL, "OUT4L" }, { "SPKOUTLP", NULL, "OUT4L" }, diff --git a/sound/soc/codecs/wm8770.c b/sound/soc/codecs/wm8770.c index 89a18d82f303..5bce21013485 100644 --- a/sound/soc/codecs/wm8770.c +++ b/sound/soc/codecs/wm8770.c @@ -196,8 +196,8 @@ static const char *ain_text[] = { "AIN5", "AIN6", "AIN7", "AIN8" }; -static const struct soc_enum ain_enum = - SOC_ENUM_DOUBLE(WM8770_ADCMUX, 0, 4, 8, ain_text); +static SOC_ENUM_DOUBLE_DECL(ain_enum, + WM8770_ADCMUX, 0, 4, ain_text); static const struct snd_kcontrol_new ain_mux = SOC_DAPM_ENUM("Capture Mux", ain_enum); diff --git a/sound/soc/codecs/wm8904.c b/sound/soc/codecs/wm8904.c index 3ff195c541db..af62f843a691 100644 --- a/sound/soc/codecs/wm8904.c +++ b/sound/soc/codecs/wm8904.c @@ -1449,7 +1449,7 @@ static int wm8904_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { case SND_SOC_DAIFMT_DSP_B: - aif1 |= WM8904_AIF_LRCLK_INV; + aif1 |= 0x3 | WM8904_AIF_LRCLK_INV; case SND_SOC_DAIFMT_DSP_A: aif1 |= 0x3; break; diff --git a/sound/soc/codecs/wm8958-dsp2.c b/sound/soc/codecs/wm8958-dsp2.c index b0710d817a65..754f88e1fdab 100644 --- a/sound/soc/codecs/wm8958-dsp2.c +++ b/sound/soc/codecs/wm8958-dsp2.c @@ -153,7 +153,7 @@ static int wm8958_dsp2_fw(struct snd_soc_codec *codec, const char *name, data32 &= 0xffffff; - wm8994_bulk_write(codec->control_data, + wm8994_bulk_write(wm8994->wm8994, data32 & 0xffffff, block_len / 2, (void *)(data + 8)); diff --git a/sound/soc/codecs/wm_adsp.c b/sound/soc/codecs/wm_adsp.c index 3470b649c0b2..6dbb17d050c9 100644 --- a/sound/soc/codecs/wm_adsp.c +++ b/sound/soc/codecs/wm_adsp.c @@ -1073,13 +1073,17 @@ static int wm_adsp2_ena(struct wm_adsp *dsp) return ret; /* Wait for the RAM to start, should be near instantaneous */ - count = 0; - do { + for (count = 0; count < 10; ++count) { ret = regmap_read(dsp->regmap, dsp->base + ADSP2_STATUS1, &val); if (ret != 0) return ret; - } while (!(val & ADSP2_RAM_RDY) && ++count < 10); + + if (val & ADSP2_RAM_RDY) + break; + + msleep(1); + } if (!(val & ADSP2_RAM_RDY)) { adsp_err(dsp, "Failed to start DSP RAM\n"); diff --git a/sound/soc/tegra/tegra20_i2s.c b/sound/soc/tegra/tegra20_i2s.c index 920d88768a49..e1f5a2e189cc 100644 --- a/sound/soc/tegra/tegra20_i2s.c +++ b/sound/soc/tegra/tegra20_i2s.c @@ -73,7 +73,7 @@ static int tegra20_i2s_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) { struct tegra20_i2s *i2s = snd_soc_dai_get_drvdata(dai); - unsigned int mask, val; + unsigned int mask = 0, val = 0; switch (fmt & SND_SOC_DAIFMT_INV_MASK) { case SND_SOC_DAIFMT_NB_NF: @@ -82,10 +82,10 @@ static int tegra20_i2s_set_fmt(struct snd_soc_dai *dai, return -EINVAL; } - mask = TEGRA20_I2S_CTRL_MASTER_ENABLE; + mask |= TEGRA20_I2S_CTRL_MASTER_ENABLE; switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { case SND_SOC_DAIFMT_CBS_CFS: - val = TEGRA20_I2S_CTRL_MASTER_ENABLE; + val |= TEGRA20_I2S_CTRL_MASTER_ENABLE; break; case SND_SOC_DAIFMT_CBM_CFM: break; diff --git a/sound/soc/tegra/tegra20_spdif.c b/sound/soc/tegra/tegra20_spdif.c index 61c755b00a86..1994d210faae 100644 --- a/sound/soc/tegra/tegra20_spdif.c +++ b/sound/soc/tegra/tegra20_spdif.c @@ -67,16 +67,16 @@ static int tegra20_spdif_hw_params(struct snd_pcm_substream *substream, { struct device *dev = dai->dev; struct tegra20_spdif *spdif = snd_soc_dai_get_drvdata(dai); - unsigned int mask, val; + unsigned int mask = 0, val = 0; int ret, srate, spdifclock; u32 ch_sta[2] = {0, 0}; - mask = TEGRA20_SPDIF_CTRL_PACK | - TEGRA20_SPDIF_CTRL_BIT_MODE_MASK; + mask |= TEGRA20_SPDIF_CTRL_PACK | + TEGRA20_SPDIF_CTRL_BIT_MODE_MASK; switch (params_format(params)) { case SNDRV_PCM_FORMAT_S16_LE: - val = TEGRA20_SPDIF_CTRL_PACK | - TEGRA20_SPDIF_CTRL_BIT_MODE_16BIT; + val |= TEGRA20_SPDIF_CTRL_PACK | + TEGRA20_SPDIF_CTRL_BIT_MODE_16BIT; break; default: return -EINVAL; diff --git a/sound/soc/tegra/tegra30_i2s.c b/sound/soc/tegra/tegra30_i2s.c index d6705bb0abd3..0a7c385b0f5a 100644 --- a/sound/soc/tegra/tegra30_i2s.c +++ b/sound/soc/tegra/tegra30_i2s.c @@ -163,7 +163,7 @@ static int tegra30_i2s_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) { struct tegra30_i2s *i2s = snd_soc_dai_get_drvdata(dai); - unsigned int mask, val; + unsigned int mask = 0, val = 0; mask = TEGRA30_I2S_CH_CTRL_EGDE_CTRL_MASK | TEGRA30_I2S_CH_CTRL_HIGHZ_CTRL_MASK; @@ -188,10 +188,10 @@ static int tegra30_i2s_set_fmt(struct snd_soc_dai *dai, } regmap_update_bits(i2s->regmap, TEGRA30_I2S_CH_CTRL, mask, val); - mask = TEGRA30_I2S_CTRL_MASTER_ENABLE; + mask |= TEGRA30_I2S_CTRL_MASTER_ENABLE; switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { case SND_SOC_DAIFMT_CBS_CFS: - val = TEGRA30_I2S_CTRL_MASTER_ENABLE; + val |= TEGRA30_I2S_CTRL_MASTER_ENABLE; break; case SND_SOC_DAIFMT_CBM_CFM: val = 0; diff --git a/sound/usb/Kconfig b/sound/usb/Kconfig index 225dfd737265..ba2664200d14 100644 --- a/sound/usb/Kconfig +++ b/sound/usb/Kconfig @@ -14,6 +14,7 @@ config SND_USB_AUDIO select SND_HWDEP select SND_RAWMIDI select SND_PCM + select BITREVERSE help Say Y here to include support for USB audio and USB MIDI devices. diff --git a/sound/usb/mixer_maps.c b/sound/usb/mixer_maps.c index cc2dd1f0decb..0339d464791a 100644 --- a/sound/usb/mixer_maps.c +++ b/sound/usb/mixer_maps.c @@ -322,6 +322,11 @@ static struct usbmix_name_map hercules_usb51_map[] = { { 0 } /* terminator */ }; +static const struct usbmix_name_map kef_x300a_map[] = { + { 10, NULL }, /* firmware locks up (?) when we try to access this FU */ + { 0 } +}; + /* * Control map entries */ @@ -409,6 +414,10 @@ static struct usbmix_ctl_map usbmix_ctl_maps[] = { .id = USB_ID(0x200c, 0x1018), .map = ebox44_map, }, + { + .id = USB_ID(0x27ac, 0x1000), + .map = kef_x300a_map, + }, { 0 } /* terminator */ }; diff --git a/tools/perf/util/scripting-engines/trace-event-perl.c b/tools/perf/util/scripting-engines/trace-event-perl.c index eacec859f299..b4741b027a8f 100644 --- a/tools/perf/util/scripting-engines/trace-event-perl.c +++ b/tools/perf/util/scripting-engines/trace-event-perl.c @@ -282,7 +282,7 @@ static void perl_process_tracepoint(union perf_event *perf_event __maybe_unused, event = find_cache_event(evsel); if (!event) - die("ug! no event found for type %" PRIu64, evsel->attr.config); + die("ug! no event found for type %" PRIu64, (u64)evsel->attr.config); pid = raw_field_value(event, "common_pid", data); diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c index cf1fe01b7e89..e392202b96bc 100644 --- a/tools/perf/util/session.c +++ b/tools/perf/util/session.c @@ -811,6 +811,7 @@ static struct machine * union perf_event *event) { const u8 cpumode = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK; + struct machine *machine; if (perf_guest && ((cpumode == PERF_RECORD_MISC_GUEST_KERNEL) || @@ -822,7 +823,11 @@ static struct machine * else pid = event->ip.pid; - return perf_session__findnew_machine(session, pid); + machine = perf_session__find_machine(session, pid); + if (!machine) + machine = perf_session__findnew_machine(session, + DEFAULT_GUEST_KERNEL_ID); + return machine; } return &session->machines.host; diff --git a/tools/power/cpupower/utils/cpupower-set.c b/tools/power/cpupower/utils/cpupower-set.c index dc4de3762111..bcf1d2f0b791 100644 --- a/tools/power/cpupower/utils/cpupower-set.c +++ b/tools/power/cpupower/utils/cpupower-set.c @@ -18,9 +18,9 @@ #include "helpers/bitmask.h" static struct option set_opts[] = { - { .name = "perf-bias", .has_arg = optional_argument, .flag = NULL, .val = 'b'}, - { .name = "sched-mc", .has_arg = optional_argument, .flag = NULL, .val = 'm'}, - { .name = "sched-smt", .has_arg = optional_argument, .flag = NULL, .val = 's'}, + { .name = "perf-bias", .has_arg = required_argument, .flag = NULL, .val = 'b'}, + { .name = "sched-mc", .has_arg = required_argument, .flag = NULL, .val = 'm'}, + { .name = "sched-smt", .has_arg = required_argument, .flag = NULL, .val = 's'}, { }, }; diff --git a/tools/power/x86/turbostat/Makefile b/tools/power/x86/turbostat/Makefile index f09641da40d4..d1b3a361e526 100644 --- a/tools/power/x86/turbostat/Makefile +++ b/tools/power/x86/turbostat/Makefile @@ -5,7 +5,7 @@ DESTDIR := turbostat : turbostat.c CFLAGS += -Wall -CFLAGS += -I../../../../arch/x86/include/uapi/ +CFLAGS += -DMSRHEADER='"../../../../arch/x86/include/uapi/asm/msr-index.h"' %: %.c @mkdir -p $(BUILD_OUTPUT) diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c index fe702076ca46..6a7ee5f21c9b 100644 --- a/tools/power/x86/turbostat/turbostat.c +++ b/tools/power/x86/turbostat/turbostat.c @@ -20,7 +20,7 @@ */ #define _GNU_SOURCE -#include <asm/msr.h> +#include MSRHEADER #include <stdio.h> #include <unistd.h> #include <sys/types.h> @@ -35,6 +35,7 @@ #include <string.h> #include <ctype.h> #include <sched.h> +#include <cpuid.h> char *proc_stat = "/proc/stat"; unsigned int interval_sec = 5; /* set with -i interval_sec */ @@ -1894,7 +1895,7 @@ void check_cpuid() eax = ebx = ecx = edx = 0; - asm("cpuid" : "=a" (max_level), "=b" (ebx), "=c" (ecx), "=d" (edx) : "a" (0)); + __get_cpuid(0, &max_level, &ebx, &ecx, &edx); if (ebx == 0x756e6547 && edx == 0x49656e69 && ecx == 0x6c65746e) genuine_intel = 1; @@ -1903,7 +1904,7 @@ void check_cpuid() fprintf(stderr, "CPUID(0): %.4s%.4s%.4s ", (char *)&ebx, (char *)&edx, (char *)&ecx); - asm("cpuid" : "=a" (fms), "=c" (ecx), "=d" (edx) : "a" (1) : "ebx"); + __get_cpuid(1, &fms, &ebx, &ecx, &edx); family = (fms >> 8) & 0xf; model = (fms >> 4) & 0xf; stepping = fms & 0xf; @@ -1925,7 +1926,7 @@ void check_cpuid() * This check is valid for both Intel and AMD. */ ebx = ecx = edx = 0; - asm("cpuid" : "=a" (max_level), "=b" (ebx), "=c" (ecx), "=d" (edx) : "a" (0x80000000)); + __get_cpuid(0x80000000, &max_level, &ebx, &ecx, &edx); if (max_level < 0x80000007) { fprintf(stderr, "CPUID: no invariant TSC (max_level 0x%x)\n", max_level); @@ -1936,7 +1937,7 @@ void check_cpuid() * Non-Stop TSC is advertised by CPUID.EAX=0x80000007: EDX.bit8 * this check is valid for both Intel and AMD */ - asm("cpuid" : "=a" (eax), "=b" (ebx), "=c" (ecx), "=d" (edx) : "a" (0x80000007)); + __get_cpuid(0x80000007, &eax, &ebx, &ecx, &edx); has_invariant_tsc = edx & (1 << 8); if (!has_invariant_tsc) { @@ -1949,7 +1950,7 @@ void check_cpuid() * this check is valid for both Intel and AMD */ - asm("cpuid" : "=a" (eax), "=b" (ebx), "=c" (ecx), "=d" (edx) : "a" (0x6)); + __get_cpuid(0x6, &eax, &ebx, &ecx, &edx); has_aperf = ecx & (1 << 0); do_dts = eax & (1 << 0); do_ptm = eax & (1 << 6); diff --git a/virt/kvm/coalesced_mmio.c b/virt/kvm/coalesced_mmio.c index 88b2fe3ddf42..00d86427af0f 100644 --- a/virt/kvm/coalesced_mmio.c +++ b/virt/kvm/coalesced_mmio.c @@ -154,17 +154,13 @@ int kvm_vm_ioctl_register_coalesced_mmio(struct kvm *kvm, list_add_tail(&dev->list, &kvm->coalesced_zones); mutex_unlock(&kvm->slots_lock); - return ret; + return 0; out_free_dev: mutex_unlock(&kvm->slots_lock); - kfree(dev); - if (dev == NULL) - return -ENXIO; - - return 0; + return ret; } int kvm_vm_ioctl_unregister_coalesced_mmio(struct kvm *kvm, diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index 302681c4aa44..eb99458f5b68 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -1904,6 +1904,9 @@ static int kvm_vm_ioctl_create_vcpu(struct kvm *kvm, u32 id) int r; struct kvm_vcpu *vcpu, *v; + if (id >= KVM_MAX_VCPUS) + return -EINVAL; + vcpu = kvm_arch_vcpu_create(kvm, id); if (IS_ERR(vcpu)) return PTR_ERR(vcpu); |