diff options
Diffstat (limited to 'arch')
25 files changed, 156 insertions, 103 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 2c71a8f3535a..5ebc5d922ea1 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -195,8 +195,7 @@ config VECTORS_BASE The base address of exception vectors. config ARM_PATCH_PHYS_VIRT - bool "Patch physical to virtual translations at runtime (EXPERIMENTAL)" - depends on EXPERIMENTAL + bool "Patch physical to virtual translations at runtime" depends on !XIP_KERNEL && MMU depends on !ARCH_REALVIEW || !SPARSEMEM help diff --git a/arch/arm/kernel/module.c b/arch/arm/kernel/module.c index 05b377616fd5..cc2020c2c709 100644 --- a/arch/arm/kernel/module.c +++ b/arch/arm/kernel/module.c @@ -323,7 +323,11 @@ int module_finalize(const Elf32_Ehdr *hdr, const Elf_Shdr *sechdrs, #endif s = find_mod_section(hdr, sechdrs, ".alt.smp.init"); if (s && !is_smp()) +#ifdef CONFIG_SMP_ON_UP fixup_smp((void *)s->sh_addr, s->sh_size); +#else + return -EINVAL; +#endif return 0; } diff --git a/arch/arm/mach-s3c64xx/mach-crag6410.c b/arch/arm/mach-s3c64xx/mach-crag6410.c index 9026249233ad..af0c2fe1ea37 100644 --- a/arch/arm/mach-s3c64xx/mach-crag6410.c +++ b/arch/arm/mach-s3c64xx/mach-crag6410.c @@ -65,7 +65,7 @@ #include <plat/iic.h> #include <plat/pm.h> -#include <sound/wm8915.h> +#include <sound/wm8996.h> #include <sound/wm8962.h> #include <sound/wm9081.h> @@ -614,7 +614,7 @@ static struct wm831x_pdata glenfarclas_pmic_pdata __initdata = { .disable_touch = true, }; -static struct wm8915_retune_mobile_config wm8915_retune[] = { +static struct wm8996_retune_mobile_config wm8996_retune[] = { { .name = "Sub LPF", .rate = 48000, @@ -635,12 +635,12 @@ static struct wm8915_retune_mobile_config wm8915_retune[] = { }, }; -static struct wm8915_pdata wm8915_pdata __initdata = { +static struct wm8996_pdata wm8996_pdata __initdata = { .ldo_ena = S3C64XX_GPN(7), .gpio_base = CODEC_GPIO_BASE, .micdet_def = 1, - .inl_mode = WM8915_DIFFERRENTIAL_1, - .inr_mode = WM8915_DIFFERRENTIAL_1, + .inl_mode = WM8996_DIFFERRENTIAL_1, + .inr_mode = WM8996_DIFFERRENTIAL_1, .irq_flags = IRQF_TRIGGER_RISING, @@ -652,8 +652,8 @@ static struct wm8915_pdata wm8915_pdata __initdata = { 0x020e, /* GPIO5 == CLKOUT */ }, - .retune_mobile_cfgs = wm8915_retune, - .num_retune_mobile_cfgs = ARRAY_SIZE(wm8915_retune), + .retune_mobile_cfgs = wm8996_retune, + .num_retune_mobile_cfgs = ARRAY_SIZE(wm8996_retune), }; static struct wm8962_pdata wm8962_pdata __initdata = { @@ -679,8 +679,8 @@ static struct i2c_board_info i2c_devs1[] __initdata = { .platform_data = &glenfarclas_pmic_pdata }, { I2C_BOARD_INFO("wm1250-ev1", 0x27) }, - { I2C_BOARD_INFO("wm8915", 0x1a), - .platform_data = &wm8915_pdata, + { I2C_BOARD_INFO("wm8996", 0x1a), + .platform_data = &wm8996_pdata, .irq = GLENFARCLAS_PMIC_IRQ_BASE + WM831X_IRQ_GPIO_2, }, { I2C_BOARD_INFO("wm9081", 0x6c), diff --git a/arch/arm/mm/alignment.c b/arch/arm/mm/alignment.c index be7c638b648b..cfbcf8b95599 100644 --- a/arch/arm/mm/alignment.c +++ b/arch/arm/mm/alignment.c @@ -22,6 +22,7 @@ #include <linux/sched.h> #include <linux/uaccess.h> +#include <asm/system.h> #include <asm/unaligned.h> #include "fault.h" @@ -95,6 +96,33 @@ static const char *usermode_action[] = { "signal+warn" }; +/* Return true if and only if the ARMv6 unaligned access model is in use. */ +static bool cpu_is_v6_unaligned(void) +{ + return cpu_architecture() >= CPU_ARCH_ARMv6 && (cr_alignment & CR_U); +} + +static int safe_usermode(int new_usermode, bool warn) +{ + /* + * ARMv6 and later CPUs can perform unaligned accesses for + * most single load and store instructions up to word size. + * LDM, STM, LDRD and STRD still need to be handled. + * + * Ignoring the alignment fault is not an option on these + * CPUs since we spin re-faulting the instruction without + * making any progress. + */ + if (cpu_is_v6_unaligned() && !(new_usermode & (UM_FIXUP | UM_SIGNAL))) { + new_usermode |= UM_FIXUP; + + if (warn) + printk(KERN_WARNING "alignment: ignoring faults is unsafe on this CPU. Defaulting to fixup mode.\n"); + } + + return new_usermode; +} + static int alignment_proc_show(struct seq_file *m, void *v) { seq_printf(m, "User:\t\t%lu\n", ai_user); @@ -125,7 +153,7 @@ static ssize_t alignment_proc_write(struct file *file, const char __user *buffer if (get_user(mode, buffer)) return -EFAULT; if (mode >= '0' && mode <= '5') - ai_usermode = mode - '0'; + ai_usermode = safe_usermode(mode - '0', true); } return count; } @@ -886,9 +914,16 @@ do_alignment(unsigned long addr, unsigned int fsr, struct pt_regs *regs) if (ai_usermode & UM_FIXUP) goto fixup; - if (ai_usermode & UM_SIGNAL) - force_sig(SIGBUS, current); - else { + if (ai_usermode & UM_SIGNAL) { + siginfo_t si; + + si.si_signo = SIGBUS; + si.si_errno = 0; + si.si_code = BUS_ADRALN; + si.si_addr = (void __user *)addr; + + force_sig_info(si.si_signo, &si, current); + } else { /* * We're about to disable the alignment trap and return to * user space. But if an interrupt occurs before actually @@ -926,20 +961,11 @@ static int __init alignment_init(void) return -ENOMEM; #endif - /* - * ARMv6 and later CPUs can perform unaligned accesses for - * most single load and store instructions up to word size. - * LDM, STM, LDRD and STRD still need to be handled. - * - * Ignoring the alignment fault is not an option on these - * CPUs since we spin re-faulting the instruction without - * making any progress. - */ - if (cpu_architecture() >= CPU_ARCH_ARMv6 && (cr_alignment & CR_U)) { + if (cpu_is_v6_unaligned()) { cr_alignment &= ~CR_A; cr_no_alignment &= ~CR_A; set_cr(cr_alignment); - ai_usermode = UM_FIXUP; + ai_usermode = safe_usermode(ai_usermode, false); } hook_fault_code(1, do_alignment, SIGBUS, BUS_ADRALN, diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c index 2fee782077c1..91bca355cd31 100644 --- a/arch/arm/mm/init.c +++ b/arch/arm/mm/init.c @@ -441,7 +441,7 @@ static inline int free_area(unsigned long pfn, unsigned long end, char *s) static inline void poison_init_mem(void *s, size_t count) { u32 *p = (u32 *)s; - while ((count = count - 4)) + for (; count != 0; count -= 4) *p++ = 0xe7fddef0; } diff --git a/arch/arm/mm/proc-arm946.S b/arch/arm/mm/proc-arm946.S index f8f7ea34bfc5..683af3a182b7 100644 --- a/arch/arm/mm/proc-arm946.S +++ b/arch/arm/mm/proc-arm946.S @@ -410,6 +410,7 @@ __arm946_proc_info: .long 0x41009460 .long 0xff00fff0 .long 0 + .long 0 b __arm946_setup .long cpu_arch_name .long cpu_elf_name @@ -418,6 +419,6 @@ __arm946_proc_info: .long arm946_processor_functions .long 0 .long 0 - .long arm940_cache_fns + .long arm946_cache_fns .size __arm946_proc_info, . - __arm946_proc_info diff --git a/arch/powerpc/include/asm/jump_label.h b/arch/powerpc/include/asm/jump_label.h index 1f780b95c0f0..938986e412f1 100644 --- a/arch/powerpc/include/asm/jump_label.h +++ b/arch/powerpc/include/asm/jump_label.h @@ -22,7 +22,6 @@ static __always_inline bool arch_static_branch(struct jump_label_key *key) asm goto("1:\n\t" "nop\n\t" ".pushsection __jump_table, \"aw\"\n\t" - ".align 4\n\t" JUMP_ENTRY_TYPE "1b, %l[l_yes], %c0\n\t" ".popsection \n\t" : : "i" (key) : : l_yes); @@ -41,7 +40,6 @@ struct jump_entry { jump_label_t code; jump_label_t target; jump_label_t key; - jump_label_t pad; }; #endif /* _ASM_POWERPC_JUMP_LABEL_H */ diff --git a/arch/powerpc/include/asm/kdump.h b/arch/powerpc/include/asm/kdump.h index 6857af58b02e..bffd062adf79 100644 --- a/arch/powerpc/include/asm/kdump.h +++ b/arch/powerpc/include/asm/kdump.h @@ -3,17 +3,7 @@ #include <asm/page.h> -/* - * If CONFIG_RELOCATABLE is enabled we can place the kdump kernel anywhere. - * To keep enough space in the RMO for the first stage kernel on 64bit, we - * place it at 64MB. If CONFIG_RELOCATABLE is not enabled we must place - * the second stage at 32MB. - */ -#if defined(CONFIG_RELOCATABLE) && defined(CONFIG_PPC64) -#define KDUMP_KERNELBASE 0x4000000 -#else #define KDUMP_KERNELBASE 0x2000000 -#endif /* How many bytes to reserve at zero for kdump. The reserve limit should * be greater or equal to the trampoline's end address. diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h index e8aaf6fce38b..559da199edb5 100644 --- a/arch/powerpc/include/asm/reg.h +++ b/arch/powerpc/include/asm/reg.h @@ -1003,7 +1003,6 @@ #define PV_970 0x0039 #define PV_POWER5 0x003A #define PV_POWER5p 0x003B -#define PV_POWER7 0x003F #define PV_970FX 0x003C #define PV_POWER6 0x003E #define PV_POWER7 0x003F @@ -1024,13 +1023,16 @@ #define mtmsrd(v) __mtmsrd((v), 0) #define mtmsr(v) mtmsrd(v) #else -#define mtmsr(v) asm volatile("mtmsr %0" : : "r" (v) : "memory") +#define mtmsr(v) asm volatile("mtmsr %0" : \ + : "r" ((unsigned long)(v)) \ + : "memory") #endif #define mfspr(rn) ({unsigned long rval; \ asm volatile("mfspr %0," __stringify(rn) \ : "=r" (rval)); rval;}) -#define mtspr(rn, v) asm volatile("mtspr " __stringify(rn) ",%0" : : "r" (v)\ +#define mtspr(rn, v) asm volatile("mtspr " __stringify(rn) ",%0" : \ + : "r" ((unsigned long)(v)) \ : "memory") #ifdef __powerpc64__ diff --git a/arch/powerpc/kernel/cputable.c b/arch/powerpc/kernel/cputable.c index 9fb933248ab6..fa44ff538861 100644 --- a/arch/powerpc/kernel/cputable.c +++ b/arch/powerpc/kernel/cputable.c @@ -2051,7 +2051,8 @@ static struct cpu_spec __initdata cpu_specs[] = { static struct cpu_spec the_cpu_spec; -static void __init setup_cpu_spec(unsigned long offset, struct cpu_spec *s) +static struct cpu_spec * __init setup_cpu_spec(unsigned long offset, + struct cpu_spec *s) { struct cpu_spec *t = &the_cpu_spec; struct cpu_spec old; @@ -2114,6 +2115,8 @@ static void __init setup_cpu_spec(unsigned long offset, struct cpu_spec *s) t->cpu_setup(offset, t); } #endif /* CONFIG_PPC64 || CONFIG_BOOKE */ + + return t; } struct cpu_spec * __init identify_cpu(unsigned long offset, unsigned int pvr) @@ -2124,10 +2127,8 @@ struct cpu_spec * __init identify_cpu(unsigned long offset, unsigned int pvr) s = PTRRELOC(s); for (i = 0; i < ARRAY_SIZE(cpu_specs); i++,s++) { - if ((pvr & s->pvr_mask) == s->pvr_value) { - setup_cpu_spec(offset, s); - return s; - } + if ((pvr & s->pvr_mask) == s->pvr_value) + return setup_cpu_spec(offset, s); } BUG(); diff --git a/arch/powerpc/kernel/iomap.c b/arch/powerpc/kernel/iomap.c index 1577434f4088..b25f6325fc70 100644 --- a/arch/powerpc/kernel/iomap.c +++ b/arch/powerpc/kernel/iomap.c @@ -117,6 +117,7 @@ void ioport_unmap(void __iomem *addr) EXPORT_SYMBOL(ioport_map); EXPORT_SYMBOL(ioport_unmap); +#ifdef CONFIG_PCI void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long max) { resource_size_t start = pci_resource_start(dev, bar); @@ -146,3 +147,4 @@ void pci_iounmap(struct pci_dev *dev, void __iomem *addr) EXPORT_SYMBOL(pci_iomap); EXPORT_SYMBOL(pci_iounmap); +#endif /* CONFIG_PCI */ diff --git a/arch/powerpc/kernel/machine_kexec.c b/arch/powerpc/kernel/machine_kexec.c index 6658a1589955..9ce1672afb59 100644 --- a/arch/powerpc/kernel/machine_kexec.c +++ b/arch/powerpc/kernel/machine_kexec.c @@ -136,12 +136,16 @@ void __init reserve_crashkernel(void) crashk_res.start = KDUMP_KERNELBASE; #else if (!crashk_res.start) { +#ifdef CONFIG_PPC64 /* - * unspecified address, choose a region of specified size - * can overlap with initrd (ignoring corruption when retained) - * ppc64 requires kernel and some stacks to be in first segemnt + * On 64bit we split the RMO in half but cap it at half of + * a small SLB (128MB) since the crash kernel needs to place + * itself and some stacks to be in the first segment. */ + crashk_res.start = min(0x80000000ULL, (ppc64_rma_size / 2)); +#else crashk_res.start = KDUMP_KERNELBASE; +#endif } crash_base = PAGE_ALIGN(crashk_res.start); diff --git a/arch/powerpc/kernel/perf_callchain.c b/arch/powerpc/kernel/perf_callchain.c index d05ae4204bbf..564c1d8bdb5c 100644 --- a/arch/powerpc/kernel/perf_callchain.c +++ b/arch/powerpc/kernel/perf_callchain.c @@ -154,8 +154,12 @@ static int read_user_stack_64(unsigned long __user *ptr, unsigned long *ret) ((unsigned long)ptr & 7)) return -EFAULT; - if (!__get_user_inatomic(*ret, ptr)) + pagefault_disable(); + if (!__get_user_inatomic(*ret, ptr)) { + pagefault_enable(); return 0; + } + pagefault_enable(); return read_user_stack_slow(ptr, ret, 8); } @@ -166,8 +170,12 @@ static int read_user_stack_32(unsigned int __user *ptr, unsigned int *ret) ((unsigned long)ptr & 3)) return -EFAULT; - if (!__get_user_inatomic(*ret, ptr)) + pagefault_disable(); + if (!__get_user_inatomic(*ret, ptr)) { + pagefault_enable(); return 0; + } + pagefault_enable(); return read_user_stack_slow(ptr, ret, 4); } @@ -294,11 +302,17 @@ static inline int current_is_64bit(void) */ static int read_user_stack_32(unsigned int __user *ptr, unsigned int *ret) { + int rc; + if ((unsigned long)ptr > TASK_SIZE - sizeof(unsigned int) || ((unsigned long)ptr & 3)) return -EFAULT; - return __get_user_inatomic(*ret, ptr); + pagefault_disable(); + rc = __get_user_inatomic(*ret, ptr); + pagefault_enable(); + + return rc; } static inline void perf_callchain_user_64(struct perf_callchain_entry *entry, diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c index c016033ba78d..a909f4e9343b 100644 --- a/arch/powerpc/kernel/prom_init.c +++ b/arch/powerpc/kernel/prom_init.c @@ -1020,7 +1020,7 @@ static unsigned long __init alloc_up(unsigned long size, unsigned long align) } if (addr == 0) return 0; - RELOC(alloc_bottom) = addr; + RELOC(alloc_bottom) = addr + size; prom_debug(" -> %x\n", addr); prom_debug(" alloc_bottom : %x\n", RELOC(alloc_bottom)); @@ -1830,11 +1830,13 @@ static void __init *make_room(unsigned long *mem_start, unsigned long *mem_end, if (room > DEVTREE_CHUNK_SIZE) room = DEVTREE_CHUNK_SIZE; if (room < PAGE_SIZE) - prom_panic("No memory for flatten_device_tree (no room)"); + prom_panic("No memory for flatten_device_tree " + "(no room)\n"); chunk = alloc_up(room, 0); if (chunk == 0) - prom_panic("No memory for flatten_device_tree (claim failed)"); - *mem_end = RELOC(alloc_top); + prom_panic("No memory for flatten_device_tree " + "(claim failed)\n"); + *mem_end = chunk + room; } ret = (void *)*mem_start; @@ -2042,7 +2044,7 @@ static void __init flatten_device_tree(void) /* * Check how much room we have between alloc top & bottom (+/- a - * few pages), crop to 4Mb, as this is our "chuck" size + * few pages), crop to 1MB, as this is our "chunk" size */ room = RELOC(alloc_top) - RELOC(alloc_bottom) - 0x4000; if (room > DEVTREE_CHUNK_SIZE) @@ -2053,7 +2055,7 @@ static void __init flatten_device_tree(void) mem_start = (unsigned long)alloc_up(room, PAGE_SIZE); if (mem_start == 0) prom_panic("Can't allocate initial device-tree chunk\n"); - mem_end = RELOC(alloc_top); + mem_end = mem_start + room; /* Get root of tree */ root = call_prom("peer", 1, 1, (phandle)0); diff --git a/arch/powerpc/kvm/book3s_hv_rmhandlers.S b/arch/powerpc/kvm/book3s_hv_rmhandlers.S index 6dd33581a228..de2950135e6e 100644 --- a/arch/powerpc/kvm/book3s_hv_rmhandlers.S +++ b/arch/powerpc/kvm/book3s_hv_rmhandlers.S @@ -1251,7 +1251,7 @@ BEGIN_FTR_SECTION reg = 0 .rept 32 li r6,reg*16+VCPU_VSRS - stxvd2x reg,r6,r3 + STXVD2X(reg,r6,r3) reg = reg + 1 .endr FTR_SECTION_ELSE @@ -1313,7 +1313,7 @@ BEGIN_FTR_SECTION reg = 0 .rept 32 li r7,reg*16+VCPU_VSRS - lxvd2x reg,r7,r4 + LXVD2X(reg,r7,r4) reg = reg + 1 .endr FTR_SECTION_ELSE diff --git a/arch/powerpc/platforms/Kconfig b/arch/powerpc/platforms/Kconfig index d0af7fb2f344..b9ba86191aed 100644 --- a/arch/powerpc/platforms/Kconfig +++ b/arch/powerpc/platforms/Kconfig @@ -24,7 +24,7 @@ source "arch/powerpc/platforms/wsp/Kconfig" config KVM_GUEST bool "KVM Guest support" - default y + default n ---help--- This option enables various optimizations for running under the KVM hypervisor. Overhead for the kernel when not running inside KVM should diff --git a/arch/powerpc/platforms/pseries/dtl.c b/arch/powerpc/platforms/pseries/dtl.c index e9190073bb97..0e8656370063 100644 --- a/arch/powerpc/platforms/pseries/dtl.c +++ b/arch/powerpc/platforms/pseries/dtl.c @@ -181,7 +181,7 @@ static void dtl_stop(struct dtl *dtl) lppaca_of(dtl->cpu).dtl_enable_mask = 0x0; - unregister_dtl(hwcpu, __pa(dtl->buf)); + unregister_dtl(hwcpu); } static u64 dtl_current_index(struct dtl *dtl) diff --git a/arch/powerpc/platforms/pseries/hotplug-cpu.c b/arch/powerpc/platforms/pseries/hotplug-cpu.c index bc0288501f17..83a3ca2fd282 100644 --- a/arch/powerpc/platforms/pseries/hotplug-cpu.c +++ b/arch/powerpc/platforms/pseries/hotplug-cpu.c @@ -135,7 +135,7 @@ static void pseries_mach_cpu_die(void) get_lppaca()->idle = 0; if (get_preferred_offline_state(cpu) == CPU_STATE_ONLINE) { - unregister_slb_shadow(hwcpu, __pa(get_slb_shadow())); + unregister_slb_shadow(hwcpu); /* * Call to start_secondary_resume() will not return. @@ -150,7 +150,7 @@ static void pseries_mach_cpu_die(void) WARN_ON(get_preferred_offline_state(cpu) != CPU_STATE_OFFLINE); set_cpu_current_state(cpu, CPU_STATE_OFFLINE); - unregister_slb_shadow(hwcpu, __pa(get_slb_shadow())); + unregister_slb_shadow(hwcpu); rtas_stop_self(); /* Should never get here... */ diff --git a/arch/powerpc/platforms/pseries/io_event_irq.c b/arch/powerpc/platforms/pseries/io_event_irq.c index c829e6067d54..2c4dd1fb8333 100644 --- a/arch/powerpc/platforms/pseries/io_event_irq.c +++ b/arch/powerpc/platforms/pseries/io_event_irq.c @@ -212,17 +212,15 @@ static int __init ioei_init(void) struct device_node *np; ioei_check_exception_token = rtas_token("check-exception"); - if (ioei_check_exception_token == RTAS_UNKNOWN_SERVICE) { - pr_warning("IO Event IRQ not supported on this system !\n"); + if (ioei_check_exception_token == RTAS_UNKNOWN_SERVICE) return -ENODEV; - } + np = of_find_node_by_path("/event-sources/ibm,io-events"); if (np) { request_event_sources_irqs(np, ioei_interrupt, "IO_EVENT"); + pr_info("IBM I/O event interrupts enabled\n"); of_node_put(np); } else { - pr_err("io_event_irq: No ibm,io-events on system! " - "IO Event interrupt disabled.\n"); return -ENODEV; } return 0; diff --git a/arch/powerpc/platforms/pseries/kexec.c b/arch/powerpc/platforms/pseries/kexec.c index 54cf3a4aa16b..7d94bdc63d50 100644 --- a/arch/powerpc/platforms/pseries/kexec.c +++ b/arch/powerpc/platforms/pseries/kexec.c @@ -25,20 +25,30 @@ static void pseries_kexec_cpu_down(int crash_shutdown, int secondary) { /* Don't risk a hypervisor call if we're crashing */ if (firmware_has_feature(FW_FEATURE_SPLPAR) && !crash_shutdown) { - unsigned long addr; + int ret; + int cpu = smp_processor_id(); + int hwcpu = hard_smp_processor_id(); - addr = __pa(get_slb_shadow()); - if (unregister_slb_shadow(hard_smp_processor_id(), addr)) - printk("SLB shadow buffer deregistration of " - "cpu %u (hw_cpu_id %d) failed\n", - smp_processor_id(), - hard_smp_processor_id()); + if (get_lppaca()->dtl_enable_mask) { + ret = unregister_dtl(hwcpu); + if (ret) { + pr_err("WARNING: DTL deregistration for cpu " + "%d (hw %d) failed with %d\n", + cpu, hwcpu, ret); + } + } + + ret = unregister_slb_shadow(hwcpu); + if (ret) { + pr_err("WARNING: SLB shadow buffer deregistration " + "for cpu %d (hw %d) failed with %d\n", + cpu, hwcpu, ret); + } - addr = __pa(get_lppaca()); - if (unregister_vpa(hard_smp_processor_id(), addr)) { - printk("VPA deregistration of cpu %u (hw_cpu_id %d) " - "failed\n", smp_processor_id(), - hard_smp_processor_id()); + ret = unregister_vpa(hwcpu); + if (ret) { + pr_err("WARNING: VPA deregistration for cpu %d " + "(hw %d) failed with %d\n", cpu, hwcpu, ret); } } } diff --git a/arch/powerpc/platforms/pseries/lpar.c b/arch/powerpc/platforms/pseries/lpar.c index f7205d344efd..c9a29dae8c05 100644 --- a/arch/powerpc/platforms/pseries/lpar.c +++ b/arch/powerpc/platforms/pseries/lpar.c @@ -67,9 +67,8 @@ void vpa_init(int cpu) ret = register_vpa(hwcpu, addr); if (ret) { - printk(KERN_ERR "WARNING: vpa_init: VPA registration for " - "cpu %d (hw %d) of area %lx returns %ld\n", - cpu, hwcpu, addr, ret); + pr_err("WARNING: VPA registration for cpu %d (hw %d) of area " + "%lx failed with %ld\n", cpu, hwcpu, addr, ret); return; } /* @@ -80,10 +79,9 @@ void vpa_init(int cpu) if (firmware_has_feature(FW_FEATURE_SPLPAR)) { ret = register_slb_shadow(hwcpu, addr); if (ret) - printk(KERN_ERR - "WARNING: vpa_init: SLB shadow buffer " - "registration for cpu %d (hw %d) of area %lx " - "returns %ld\n", cpu, hwcpu, addr, ret); + pr_err("WARNING: SLB shadow buffer registration for " + "cpu %d (hw %d) of area %lx failed with %ld\n", + cpu, hwcpu, addr, ret); } /* @@ -100,8 +98,9 @@ void vpa_init(int cpu) dtl->enqueue_to_dispatch_time = DISPATCH_LOG_BYTES; ret = register_dtl(hwcpu, __pa(dtl)); if (ret) - pr_warn("DTL registration failed for cpu %d (%ld)\n", - cpu, ret); + pr_err("WARNING: DTL registration of cpu %d (hw %d) " + "failed with %ld\n", smp_processor_id(), + hwcpu, ret); lppaca_of(cpu).dtl_enable_mask = 2; } } @@ -204,7 +203,7 @@ static void pSeries_lpar_hptab_clear(void) unsigned long ptel; } ptes[4]; long lpar_rc; - int i, j; + unsigned long i, j; /* Read in batches of 4, * invalidate only valid entries not in the VRMA diff --git a/arch/powerpc/platforms/pseries/plpar_wrappers.h b/arch/powerpc/platforms/pseries/plpar_wrappers.h index 4bf21207d7d3..41c24c146d6a 100644 --- a/arch/powerpc/platforms/pseries/plpar_wrappers.h +++ b/arch/powerpc/platforms/pseries/plpar_wrappers.h @@ -53,9 +53,9 @@ static inline long vpa_call(unsigned long flags, unsigned long cpu, return plpar_hcall_norets(H_REGISTER_VPA, flags, cpu, vpa); } -static inline long unregister_vpa(unsigned long cpu, unsigned long vpa) +static inline long unregister_vpa(unsigned long cpu) { - return vpa_call(0x5, cpu, vpa); + return vpa_call(0x5, cpu, 0); } static inline long register_vpa(unsigned long cpu, unsigned long vpa) @@ -63,9 +63,9 @@ static inline long register_vpa(unsigned long cpu, unsigned long vpa) return vpa_call(0x1, cpu, vpa); } -static inline long unregister_slb_shadow(unsigned long cpu, unsigned long vpa) +static inline long unregister_slb_shadow(unsigned long cpu) { - return vpa_call(0x7, cpu, vpa); + return vpa_call(0x7, cpu, 0); } static inline long register_slb_shadow(unsigned long cpu, unsigned long vpa) @@ -73,9 +73,9 @@ static inline long register_slb_shadow(unsigned long cpu, unsigned long vpa) return vpa_call(0x3, cpu, vpa); } -static inline long unregister_dtl(unsigned long cpu, unsigned long vpa) +static inline long unregister_dtl(unsigned long cpu) { - return vpa_call(0x6, cpu, vpa); + return vpa_call(0x6, cpu, 0); } static inline long register_dtl(unsigned long cpu, unsigned long vpa) diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c index d00e52926b71..0969fd98c4fa 100644 --- a/arch/powerpc/platforms/pseries/setup.c +++ b/arch/powerpc/platforms/pseries/setup.c @@ -324,8 +324,9 @@ static int alloc_dispatch_logs(void) dtl->enqueue_to_dispatch_time = DISPATCH_LOG_BYTES; ret = register_dtl(hard_smp_processor_id(), __pa(dtl)); if (ret) - pr_warn("DTL registration failed for boot cpu %d (%d)\n", - smp_processor_id(), ret); + pr_err("WARNING: DTL registration of cpu %d (hw %d) failed " + "with %d\n", smp_processor_id(), + hard_smp_processor_id(), ret); get_paca()->lppaca_ptr->dtl_enable_mask = 2; return 0; diff --git a/arch/powerpc/sysdev/ppc4xx_pci.c b/arch/powerpc/sysdev/ppc4xx_pci.c index a59ba96d2c21..dbfe96bc878a 100644 --- a/arch/powerpc/sysdev/ppc4xx_pci.c +++ b/arch/powerpc/sysdev/ppc4xx_pci.c @@ -655,8 +655,6 @@ struct ppc4xx_pciex_hwops static struct ppc4xx_pciex_hwops *ppc4xx_pciex_hwops; -#ifdef CONFIG_44x - static int __init ppc4xx_pciex_wait_on_sdr(struct ppc4xx_pciex_port *port, unsigned int sdr_offset, unsigned int mask, @@ -688,6 +686,7 @@ static int __init ppc4xx_pciex_port_reset_sdr(struct ppc4xx_pciex_port *port) return 0; } + static void __init ppc4xx_pciex_check_link_sdr(struct ppc4xx_pciex_port *port) { printk(KERN_INFO "PCIE%d: Checking link...\n", port->index); @@ -718,6 +717,8 @@ static void __init ppc4xx_pciex_check_link_sdr(struct ppc4xx_pciex_port *port) printk(KERN_INFO "PCIE%d: No device detected.\n", port->index); } +#ifdef CONFIG_44x + /* Check various reset bits of the 440SPe PCIe core */ static int __init ppc440spe_pciex_check_reset(struct device_node *np) { diff --git a/arch/x86/kernel/cpu/perf_event_intel.c b/arch/x86/kernel/cpu/perf_event_intel.c index 45fbb8f7f549..f88af2c2a561 100644 --- a/arch/x86/kernel/cpu/perf_event_intel.c +++ b/arch/x86/kernel/cpu/perf_event_intel.c @@ -1590,6 +1590,7 @@ static __init int intel_pmu_init(void) break; case 42: /* SandyBridge */ + case 45: /* SandyBridge, "Romely-EP" */ memcpy(hw_cache_event_ids, snb_hw_cache_event_ids, sizeof(hw_cache_event_ids)); 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