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-rw-r--r--arch/arc/include/asm/sections.h1
-rw-r--r--arch/arc/kernel/head.S5
-rw-r--r--arch/arc/kernel/irq.c1
-rw-r--r--arch/arc/kernel/setup.c3
-rw-r--r--arch/arm/Kconfig39
-rw-r--r--arch/arm/boot/dts/sun7i-a20-cubieboard2.dts15
-rw-r--r--arch/arm/boot/dts/sun7i-a20-olinuxino-micro.dts15
-rw-r--r--arch/arm/boot/dts/sun7i-a20.dtsi27
-rw-r--r--arch/arm/lib/Makefile2
-rw-r--r--arch/arm/lib/xor-neon.c4
-rw-r--r--arch/arm/mach-ep93xx/core.c2
-rw-r--r--arch/arm/mach-shmobile/board-lager.c1
-rw-r--r--arch/arm/mach-shmobile/setup-r8a7779.c2
-rw-r--r--arch/arm/mach-versatile/include/mach/platform.h2
-rw-r--r--arch/arm/mach-versatile/pci.c47
-rw-r--r--arch/arm/mach-vexpress/Makefile2
-rw-r--r--arch/arm/plat-pxa/ssp.c18
-rw-r--r--arch/powerpc/include/asm/device.h3
-rw-r--r--arch/powerpc/include/asm/fsl_pamu_stash.h39
-rw-r--r--arch/powerpc/sysdev/fsl_pci.h5
-rw-r--r--arch/x86/kernel/cpu/perf_event_intel.c1
-rw-r--r--arch/x86/kernel/cpu/perf_event_intel_uncore.c6
-rw-r--r--arch/x86/kvm/mmu.c25
23 files changed, 208 insertions, 57 deletions
diff --git a/arch/arc/include/asm/sections.h b/arch/arc/include/asm/sections.h
index 6fc1159dfefe..764f1e3ba752 100644
--- a/arch/arc/include/asm/sections.h
+++ b/arch/arc/include/asm/sections.h
@@ -11,7 +11,6 @@
#include <asm-generic/sections.h>
-extern char _int_vec_base_lds[];
extern char __arc_dccm_base[];
extern char __dtb_start[];
diff --git a/arch/arc/kernel/head.S b/arch/arc/kernel/head.S
index 2a913f85a747..0f944f024513 100644
--- a/arch/arc/kernel/head.S
+++ b/arch/arc/kernel/head.S
@@ -34,6 +34,9 @@ stext:
; IDENTITY Reg [ 3 2 1 0 ]
; (cpu-id) ^^^ => Zero for UP ARC700
; => #Core-ID if SMP (Master 0)
+ ; Note that non-boot CPUs might not land here if halt-on-reset and
+ ; instead breath life from @first_lines_of_secondary, but we still
+ ; need to make sure only boot cpu takes this path.
GET_CPU_ID r5
cmp r5, 0
jnz arc_platform_smp_wait_to_boot
@@ -98,6 +101,8 @@ stext:
first_lines_of_secondary:
+ sr @_int_vec_base_lds, [AUX_INTR_VEC_BASE]
+
; setup per-cpu idle task as "current" on this CPU
ld r0, [@secondary_idle_tsk]
SET_CURR_TASK_ON_CPU r0, r1
diff --git a/arch/arc/kernel/irq.c b/arch/arc/kernel/irq.c
index 305b3f866aa7..5fc92455da36 100644
--- a/arch/arc/kernel/irq.c
+++ b/arch/arc/kernel/irq.c
@@ -24,7 +24,6 @@
* -Needed for each CPU (hence not foldable into init_IRQ)
*
* what it does ?
- * -setup Vector Table Base Reg - in case Linux not linked at 0x8000_0000
* -Disable all IRQs (on CPU side)
* -Optionally, setup the High priority Interrupts as Level 2 IRQs
*/
diff --git a/arch/arc/kernel/setup.c b/arch/arc/kernel/setup.c
index b011f8c164a1..2c68bc7e6a78 100644
--- a/arch/arc/kernel/setup.c
+++ b/arch/arc/kernel/setup.c
@@ -47,10 +47,7 @@ void read_arc_build_cfg_regs(void)
READ_BCR(AUX_IDENTITY, cpu->core);
cpu->timers = read_aux_reg(ARC_REG_TIMERS_BCR);
-
cpu->vec_base = read_aux_reg(AUX_INTR_VEC_BASE);
- if (cpu->vec_base == 0)
- cpu->vec_base = (unsigned int)_int_vec_base_lds;
READ_BCR(ARC_REG_D_UNCACH_BCR, uncached_space);
cpu->uncached_base = uncached_space.start << 24;
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index c8a916fcd54b..d13f6743df4b 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -3,20 +3,21 @@ config ARM
default y
select ARCH_BINFMT_ELF_RANDOMIZE_PIE
select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE
- select ARCH_HAVE_CUSTOM_GPIO_H
select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
+ select ARCH_HAVE_CUSTOM_GPIO_H
select ARCH_WANT_IPC_PARSE_VERSION
select BUILDTIME_EXTABLE_SORT if MMU
+ select CLONE_BACKWARDS
select CPU_PM if (SUSPEND || CPU_IDLE)
select DCACHE_WORD_ACCESS if (CPU_V6 || CPU_V6K || CPU_V7) && !CPU_BIG_ENDIAN && MMU
select GENERIC_ATOMIC64 if (CPU_V7M || CPU_V6 || !CPU_32v6K || !AEABI)
select GENERIC_CLOCKEVENTS_BROADCAST if SMP
+ select GENERIC_IDLE_POLL_SETUP
select GENERIC_IRQ_PROBE
select GENERIC_IRQ_SHOW
select GENERIC_PCI_IOMAP
select GENERIC_SCHED_CLOCK
select GENERIC_SMP_IDLE_THREAD
- select GENERIC_IDLE_POLL_SETUP
select GENERIC_STRNCPY_FROM_USER
select GENERIC_STRNLEN_USER
select HARDIRQS_SW_RESEND
@@ -25,6 +26,7 @@ config ARM
select HAVE_ARCH_SECCOMP_FILTER
select HAVE_ARCH_TRACEHOOK
select HAVE_BPF_JIT
+ select HAVE_CONTEXT_TRACKING
select HAVE_C_RECORDMCOUNT
select HAVE_DEBUG_KMEMLEAK
select HAVE_DMA_API_DEBUG
@@ -47,6 +49,7 @@ config ARM
select HAVE_KPROBES if !XIP_KERNEL
select HAVE_KRETPROBES if (HAVE_KPROBES)
select HAVE_MEMBLOCK
+ select HAVE_MOD_ARCH_SPECIFIC if ARM_UNWIND
select HAVE_OPROFILE if (HAVE_PERF_EVENTS)
select HAVE_PERF_EVENTS
select HAVE_REGS_AND_STACK_ACCESS_API
@@ -54,15 +57,14 @@ config ARM
select HAVE_UID16
select IRQ_FORCED_THREADING
select KTIME_SCALAR
+ select MODULES_USE_ELF_REL
+ select OLD_SIGACTION
+ select OLD_SIGSUSPEND3
select PERF_USE_VMALLOC
select RTC_LIB
select SYS_SUPPORTS_APM_EMULATION
- select HAVE_MOD_ARCH_SPECIFIC if ARM_UNWIND
- select MODULES_USE_ELF_REL
- select CLONE_BACKWARDS
- select OLD_SIGSUSPEND3
- select OLD_SIGACTION
- select HAVE_CONTEXT_TRACKING
+ # Above selects are sorted alphabetically; please add new ones
+ # according to that. Thanks.
help
The ARM series is a line of low-power-consumption RISC chip designs
licensed by ARM Ltd and targeted at embedded applications and
@@ -386,8 +388,8 @@ config ARCH_GEMINI
bool "Cortina Systems Gemini"
select ARCH_REQUIRE_GPIOLIB
select ARCH_USES_GETTIMEOFFSET
- select NEED_MACH_GPIO_H
select CPU_FA526
+ select NEED_MACH_GPIO_H
help
Support for the Cortina Systems Gemini family SoCs
@@ -487,8 +489,8 @@ config ARCH_IXP4XX
select GENERIC_CLOCKEVENTS
select MIGHT_HAVE_PCI
select NEED_MACH_IO_H
- select USB_EHCI_BIG_ENDIAN_MMIO
select USB_EHCI_BIG_ENDIAN_DESC
+ select USB_EHCI_BIG_ENDIAN_MMIO
help
Support for Intel's IXP4XX (XScale) family of processors.
@@ -498,11 +500,11 @@ config ARCH_DOVE
select CPU_PJ4
select GENERIC_CLOCKEVENTS
select MIGHT_HAVE_PCI
+ select MVEBU_MBUS
select PINCTRL
select PINCTRL_DOVE
select PLAT_ORION_LEGACY
select USB_ARCH_HAS_EHCI
- select MVEBU_MBUS
help
Support for the Marvell Dove SoC 88AP510
@@ -512,12 +514,12 @@ config ARCH_KIRKWOOD
select ARCH_REQUIRE_GPIOLIB
select CPU_FEROCEON
select GENERIC_CLOCKEVENTS
+ select MVEBU_MBUS
select PCI
select PCI_QUIRKS
select PINCTRL
select PINCTRL_KIRKWOOD
select PLAT_ORION_LEGACY
- select MVEBU_MBUS
help
Support for the following Marvell Kirkwood series SoCs:
88F6180, 88F6192 and 88F6281.
@@ -527,9 +529,9 @@ config ARCH_MV78XX0
select ARCH_REQUIRE_GPIOLIB
select CPU_FEROCEON
select GENERIC_CLOCKEVENTS
+ select MVEBU_MBUS
select PCI
select PLAT_ORION_LEGACY
- select MVEBU_MBUS
help
Support for the following Marvell MV78xx0 series SoCs:
MV781x0, MV782x0.
@@ -540,9 +542,9 @@ config ARCH_ORION5X
select ARCH_REQUIRE_GPIOLIB
select CPU_FEROCEON
select GENERIC_CLOCKEVENTS
+ select MVEBU_MBUS
select PCI
select PLAT_ORION_LEGACY
- select MVEBU_MBUS
help
Support for the following Marvell Orion 5x series SoCs:
Orion-1 (5181), Orion-VoIP (5181L), Orion-NAS (5182),
@@ -758,8 +760,8 @@ config ARCH_S5P64X0
select HAVE_S3C2410_WATCHDOG if WATCHDOG
select HAVE_S3C_RTC if RTC_CLASS
select NEED_MACH_GPIO_H
- select SAMSUNG_WDT_RESET
select SAMSUNG_ATAGS
+ select SAMSUNG_WDT_RESET
help
Samsung S5P64X0 CPU based systems, such as the Samsung SMDK6440,
SMDK6450.
@@ -777,8 +779,8 @@ config ARCH_S5PC100
select HAVE_S3C2410_WATCHDOG if WATCHDOG
select HAVE_S3C_RTC if RTC_CLASS
select NEED_MACH_GPIO_H
- select SAMSUNG_WDT_RESET
select SAMSUNG_ATAGS
+ select SAMSUNG_WDT_RESET
help
Samsung S5PC100 series based systems
@@ -1619,9 +1621,10 @@ config HZ_FIXED
ARCH_S5PV210 || ARCH_EXYNOS4
default AT91_TIMER_HZ if ARCH_AT91
default SHMOBILE_TIMER_HZ if ARCH_SHMOBILE
+ default 0
choice
- depends on !HZ_FIXED
+ depends on HZ_FIXED = 0
prompt "Timer frequency"
config HZ_100
@@ -1646,7 +1649,7 @@ endchoice
config HZ
int
- default HZ_FIXED if HZ_FIXED
+ default HZ_FIXED if HZ_FIXED != 0
default 100 if HZ_100
default 200 if HZ_200
default 250 if HZ_250
diff --git a/arch/arm/boot/dts/sun7i-a20-cubieboard2.dts b/arch/arm/boot/dts/sun7i-a20-cubieboard2.dts
index 31b76f08b3ad..15e625eca312 100644
--- a/arch/arm/boot/dts/sun7i-a20-cubieboard2.dts
+++ b/arch/arm/boot/dts/sun7i-a20-cubieboard2.dts
@@ -19,6 +19,21 @@
compatible = "cubietech,cubieboard2", "allwinner,sun7i-a20";
soc@01c00000 {
+ emac: ethernet@01c0b000 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&emac_pins_a>;
+ phy = <&phy1>;
+ status = "okay";
+ };
+
+ mdio@01c0b080 {
+ status = "okay";
+
+ phy1: ethernet-phy@1 {
+ reg = <1>;
+ };
+ };
+
pinctrl@01c20800 {
led_pins_cubieboard2: led_pins@0 {
allwinner,pins = "PH20", "PH21";
diff --git a/arch/arm/boot/dts/sun7i-a20-olinuxino-micro.dts b/arch/arm/boot/dts/sun7i-a20-olinuxino-micro.dts
index 34a6c02a7c72..9e778557fadb 100644
--- a/arch/arm/boot/dts/sun7i-a20-olinuxino-micro.dts
+++ b/arch/arm/boot/dts/sun7i-a20-olinuxino-micro.dts
@@ -19,6 +19,21 @@
compatible = "olimex,a20-olinuxino-micro", "allwinner,sun7i-a20";
soc@01c00000 {
+ emac: ethernet@01c0b000 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&emac_pins_a>;
+ phy = <&phy1>;
+ status = "okay";
+ };
+
+ mdio@01c0b080 {
+ status = "okay";
+
+ phy1: ethernet-phy@1 {
+ reg = <1>;
+ };
+ };
+
pinctrl@01c20800 {
led_pins_olinuxino: led_pins@0 {
allwinner,pins = "PH2";
diff --git a/arch/arm/boot/dts/sun7i-a20.dtsi b/arch/arm/boot/dts/sun7i-a20.dtsi
index 999ff45cb77e..80559cbdbc87 100644
--- a/arch/arm/boot/dts/sun7i-a20.dtsi
+++ b/arch/arm/boot/dts/sun7i-a20.dtsi
@@ -167,6 +167,22 @@
#size-cells = <1>;
ranges;
+ emac: ethernet@01c0b000 {
+ compatible = "allwinner,sun4i-emac";
+ reg = <0x01c0b000 0x1000>;
+ interrupts = <0 55 1>;
+ clocks = <&ahb_gates 17>;
+ status = "disabled";
+ };
+
+ mdio@01c0b080 {
+ compatible = "allwinner,sun4i-mdio";
+ reg = <0x01c0b080 0x14>;
+ status = "disabled";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+
pio: pinctrl@01c20800 {
compatible = "allwinner,sun7i-a20-pinctrl";
reg = <0x01c20800 0x400>;
@@ -198,6 +214,17 @@
allwinner,drive = <0>;
allwinner,pull = <0>;
};
+
+ emac_pins_a: emac0@0 {
+ allwinner,pins = "PA0", "PA1", "PA2",
+ "PA3", "PA4", "PA5", "PA6",
+ "PA7", "PA8", "PA9", "PA10",
+ "PA11", "PA12", "PA13", "PA14",
+ "PA15", "PA16";
+ allwinner,function = "emac";
+ allwinner,drive = <0>;
+ allwinner,pull = <0>;
+ };
};
timer@01c20c00 {
diff --git a/arch/arm/lib/Makefile b/arch/arm/lib/Makefile
index aaf3a8731136..bd454b09133e 100644
--- a/arch/arm/lib/Makefile
+++ b/arch/arm/lib/Makefile
@@ -49,5 +49,5 @@ $(obj)/csumpartialcopyuser.o: $(obj)/csumpartialcopygeneric.S
ifeq ($(CONFIG_KERNEL_MODE_NEON),y)
NEON_FLAGS := -mfloat-abi=softfp -mfpu=neon
CFLAGS_xor-neon.o += $(NEON_FLAGS)
- lib-$(CONFIG_XOR_BLOCKS) += xor-neon.o
+ obj-$(CONFIG_XOR_BLOCKS) += xor-neon.o
endif
diff --git a/arch/arm/lib/xor-neon.c b/arch/arm/lib/xor-neon.c
index f485e5a2af4b..2c40aeab3eaa 100644
--- a/arch/arm/lib/xor-neon.c
+++ b/arch/arm/lib/xor-neon.c
@@ -9,6 +9,9 @@
*/
#include <linux/raid/xor.h>
+#include <linux/module.h>
+
+MODULE_LICENSE("GPL");
#ifndef __ARM_NEON__
#error You should compile this file with '-mfloat-abi=softfp -mfpu=neon'
@@ -40,3 +43,4 @@ struct xor_block_template const xor_block_neon_inner = {
.do_4 = xor_8regs_4,
.do_5 = xor_8regs_5,
};
+EXPORT_SYMBOL(xor_block_neon_inner);
diff --git a/arch/arm/mach-ep93xx/core.c b/arch/arm/mach-ep93xx/core.c
index df8612fbbc9c..3f12b885c083 100644
--- a/arch/arm/mach-ep93xx/core.c
+++ b/arch/arm/mach-ep93xx/core.c
@@ -281,7 +281,7 @@ static AMBA_APB_DEVICE(uart1, "apb:uart1", 0x00041010, EP93XX_UART1_PHYS_BASE,
{ IRQ_EP93XX_UART1 }, &ep93xx_uart_data);
static AMBA_APB_DEVICE(uart2, "apb:uart2", 0x00041010, EP93XX_UART2_PHYS_BASE,
- { IRQ_EP93XX_UART2 }, &ep93xx_uart_data);
+ { IRQ_EP93XX_UART2 }, NULL);
static AMBA_APB_DEVICE(uart3, "apb:uart3", 0x00041010, EP93XX_UART3_PHYS_BASE,
{ IRQ_EP93XX_UART3 }, &ep93xx_uart_data);
diff --git a/arch/arm/mach-shmobile/board-lager.c b/arch/arm/mach-shmobile/board-lager.c
index 4872939cdba2..ffb6f0ac7606 100644
--- a/arch/arm/mach-shmobile/board-lager.c
+++ b/arch/arm/mach-shmobile/board-lager.c
@@ -96,7 +96,6 @@ static struct resource mmcif1_resources[] __initdata = {
static struct sh_eth_plat_data ether_pdata __initdata = {
.phy = 0x1,
.edmac_endian = EDMAC_LITTLE_ENDIAN,
- .register_type = SH_ETH_REG_FAST_RCAR,
.phy_interface = PHY_INTERFACE_MODE_RMII,
.ether_link_active_low = 1,
};
diff --git a/arch/arm/mach-shmobile/setup-r8a7779.c b/arch/arm/mach-shmobile/setup-r8a7779.c
index b5b2f787da2e..ecd0148ee1e1 100644
--- a/arch/arm/mach-shmobile/setup-r8a7779.c
+++ b/arch/arm/mach-shmobile/setup-r8a7779.c
@@ -691,8 +691,8 @@ void __init __weak r8a7779_register_twd(void) { }
void __init r8a7779_earlytimer_init(void)
{
r8a7779_clock_init();
- shmobile_earlytimer_init();
r8a7779_register_twd();
+ shmobile_earlytimer_init();
}
void __init r8a7779_add_early_devices(void)
diff --git a/arch/arm/mach-versatile/include/mach/platform.h b/arch/arm/mach-versatile/include/mach/platform.h
index ec087407b163..6f938ccb0c54 100644
--- a/arch/arm/mach-versatile/include/mach/platform.h
+++ b/arch/arm/mach-versatile/include/mach/platform.h
@@ -231,12 +231,14 @@
/* PCI space */
#define VERSATILE_PCI_BASE 0x41000000 /* PCI Interface */
#define VERSATILE_PCI_CFG_BASE 0x42000000
+#define VERSATILE_PCI_IO_BASE 0x43000000
#define VERSATILE_PCI_MEM_BASE0 0x44000000
#define VERSATILE_PCI_MEM_BASE1 0x50000000
#define VERSATILE_PCI_MEM_BASE2 0x60000000
/* Sizes of above maps */
#define VERSATILE_PCI_BASE_SIZE 0x01000000
#define VERSATILE_PCI_CFG_BASE_SIZE 0x02000000
+#define VERSATILE_PCI_IO_BASE_SIZE 0x01000000
#define VERSATILE_PCI_MEM_BASE0_SIZE 0x0c000000 /* 32Mb */
#define VERSATILE_PCI_MEM_BASE1_SIZE 0x10000000 /* 256Mb */
#define VERSATILE_PCI_MEM_BASE2_SIZE 0x10000000 /* 256Mb */
diff --git a/arch/arm/mach-versatile/pci.c b/arch/arm/mach-versatile/pci.c
index e92e5e0705bc..c97be4ea76d2 100644
--- a/arch/arm/mach-versatile/pci.c
+++ b/arch/arm/mach-versatile/pci.c
@@ -43,9 +43,9 @@
#define PCI_IMAP0 __IO_ADDRESS(VERSATILE_PCI_CORE_BASE+0x0)
#define PCI_IMAP1 __IO_ADDRESS(VERSATILE_PCI_CORE_BASE+0x4)
#define PCI_IMAP2 __IO_ADDRESS(VERSATILE_PCI_CORE_BASE+0x8)
-#define PCI_SMAP0 __IO_ADDRESS(VERSATILE_PCI_CORE_BASE+0x10)
-#define PCI_SMAP1 __IO_ADDRESS(VERSATILE_PCI_CORE_BASE+0x14)
-#define PCI_SMAP2 __IO_ADDRESS(VERSATILE_PCI_CORE_BASE+0x18)
+#define PCI_SMAP0 __IO_ADDRESS(VERSATILE_PCI_CORE_BASE+0x14)
+#define PCI_SMAP1 __IO_ADDRESS(VERSATILE_PCI_CORE_BASE+0x18)
+#define PCI_SMAP2 __IO_ADDRESS(VERSATILE_PCI_CORE_BASE+0x1c)
#define PCI_SELFID __IO_ADDRESS(VERSATILE_PCI_CORE_BASE+0xc)
#define DEVICE_ID_OFFSET 0x00
@@ -170,8 +170,8 @@ static struct pci_ops pci_versatile_ops = {
.write = versatile_write_config,
};
-static struct resource io_mem = {
- .name = "PCI I/O space",
+static struct resource unused_mem = {
+ .name = "PCI unused",
.start = VERSATILE_PCI_MEM_BASE0,
.end = VERSATILE_PCI_MEM_BASE0+VERSATILE_PCI_MEM_BASE0_SIZE-1,
.flags = IORESOURCE_MEM,
@@ -195,9 +195,9 @@ static int __init pci_versatile_setup_resources(struct pci_sys_data *sys)
{
int ret = 0;
- ret = request_resource(&iomem_resource, &io_mem);
+ ret = request_resource(&iomem_resource, &unused_mem);
if (ret) {
- printk(KERN_ERR "PCI: unable to allocate I/O "
+ printk(KERN_ERR "PCI: unable to allocate unused "
"memory region (%d)\n", ret);
goto out;
}
@@ -205,7 +205,7 @@ static int __init pci_versatile_setup_resources(struct pci_sys_data *sys)
if (ret) {
printk(KERN_ERR "PCI: unable to allocate non-prefetchable "
"memory region (%d)\n", ret);
- goto release_io_mem;
+ goto release_unused_mem;
}
ret = request_resource(&iomem_resource, &pre_mem);
if (ret) {
@@ -225,8 +225,8 @@ static int __init pci_versatile_setup_resources(struct pci_sys_data *sys)
release_non_mem:
release_resource(&non_mem);
- release_io_mem:
- release_resource(&io_mem);
+ release_unused_mem:
+ release_resource(&unused_mem);
out:
return ret;
}
@@ -246,7 +246,7 @@ int __init pci_versatile_setup(int nr, struct pci_sys_data *sys)
goto out;
}
- ret = pci_ioremap_io(0, VERSATILE_PCI_MEM_BASE0);
+ ret = pci_ioremap_io(0, VERSATILE_PCI_IO_BASE);
if (ret)
goto out;
@@ -295,6 +295,19 @@ int __init pci_versatile_setup(int nr, struct pci_sys_data *sys)
__raw_writel(PHYS_OFFSET, local_pci_cfg_base + PCI_BASE_ADDRESS_2);
/*
+ * For many years the kernel and QEMU were symbiotically buggy
+ * in that they both assumed the same broken IRQ mapping.
+ * QEMU therefore attempts to auto-detect old broken kernels
+ * so that they still work on newer QEMU as they did on old
+ * QEMU. Since we now use the correct (ie matching-hardware)
+ * IRQ mapping we write a definitely different value to a
+ * PCI_INTERRUPT_LINE register to tell QEMU that we expect
+ * real hardware behaviour and it need not be backwards
+ * compatible for us. This write is harmless on real hardware.
+ */
+ __raw_writel(0, VERSATILE_PCI_VIRT_BASE+PCI_INTERRUPT_LINE);
+
+ /*
* Do not to map Versatile FPGA PCI device into memory space
*/
pci_slot_ignore |= (1 << myslot);
@@ -327,13 +340,13 @@ static int __init versatile_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
{
int irq;
- /* slot, pin, irq
- * 24 1 IRQ_SIC_PCI0
- * 25 1 IRQ_SIC_PCI1
- * 26 1 IRQ_SIC_PCI2
- * 27 1 IRQ_SIC_PCI3
+ /*
+ * Slot INTA INTB INTC INTD
+ * 31 PCI1 PCI2 PCI3 PCI0
+ * 30 PCI0 PCI1 PCI2 PCI3
+ * 29 PCI3 PCI0 PCI1 PCI2
*/
- irq = IRQ_SIC_PCI0 + ((slot - 24 + pin - 1) & 3);
+ irq = IRQ_SIC_PCI0 + ((slot + 2 + pin - 1) & 3);
return irq;
}
diff --git a/arch/arm/mach-vexpress/Makefile b/arch/arm/mach-vexpress/Makefile
index 36ea8247123a..505e64ab3eae 100644
--- a/arch/arm/mach-vexpress/Makefile
+++ b/arch/arm/mach-vexpress/Makefile
@@ -7,6 +7,8 @@ ccflags-$(CONFIG_ARCH_MULTIPLATFORM) := -I$(srctree)/$(src)/include \
obj-y := v2m.o
obj-$(CONFIG_ARCH_VEXPRESS_CA9X4) += ct-ca9x4.o
obj-$(CONFIG_ARCH_VEXPRESS_DCSCB) += dcscb.o dcscb_setup.o
+CFLAGS_dcscb.o += -march=armv7-a
obj-$(CONFIG_ARCH_VEXPRESS_TC2_PM) += tc2_pm.o spc.o
+CFLAGS_tc2_pm.o += -march=armv7-a
obj-$(CONFIG_SMP) += platsmp.o
obj-$(CONFIG_HOTPLUG_CPU) += hotplug.o
diff --git a/arch/arm/plat-pxa/ssp.c b/arch/arm/plat-pxa/ssp.c
index c83f27b6bdda..3ea02903d75a 100644
--- a/arch/arm/plat-pxa/ssp.c
+++ b/arch/arm/plat-pxa/ssp.c
@@ -132,6 +132,7 @@ static int pxa_ssp_probe(struct platform_device *pdev)
if (dev->of_node) {
struct of_phandle_args dma_spec;
struct device_node *np = dev->of_node;
+ int ret;
/*
* FIXME: we should allocate the DMA channel from this
@@ -140,14 +141,23 @@ static int pxa_ssp_probe(struct platform_device *pdev)
*/
/* rx */
- of_parse_phandle_with_args(np, "dmas", "#dma-cells",
- 0, &dma_spec);
+ ret = of_parse_phandle_with_args(np, "dmas", "#dma-cells",
+ 0, &dma_spec);
+
+ if (ret) {
+ dev_err(dev, "Can't parse dmas property\n");
+ return -ENODEV;
+ }
ssp->drcmr_rx = dma_spec.args[0];
of_node_put(dma_spec.np);
/* tx */
- of_parse_phandle_with_args(np, "dmas", "#dma-cells",
- 1, &dma_spec);
+ ret = of_parse_phandle_with_args(np, "dmas", "#dma-cells",
+ 1, &dma_spec);
+ if (ret) {
+ dev_err(dev, "Can't parse dmas property\n");
+ return -ENODEV;
+ }
ssp->drcmr_tx = dma_spec.args[0];
of_node_put(dma_spec.np);
} else {
diff --git a/arch/powerpc/include/asm/device.h b/arch/powerpc/include/asm/device.h
index 77e97dd0c15d..38faeded7d59 100644
--- a/arch/powerpc/include/asm/device.h
+++ b/arch/powerpc/include/asm/device.h
@@ -28,6 +28,9 @@ struct dev_archdata {
void *iommu_table_base;
} dma_data;
+#ifdef CONFIG_IOMMU_API
+ void *iommu_domain;
+#endif
#ifdef CONFIG_SWIOTLB
dma_addr_t max_direct_dma_addr;
#endif
diff --git a/arch/powerpc/include/asm/fsl_pamu_stash.h b/arch/powerpc/include/asm/fsl_pamu_stash.h
new file mode 100644
index 000000000000..caa1b21c25cd
--- /dev/null
+++ b/arch/powerpc/include/asm/fsl_pamu_stash.h
@@ -0,0 +1,39 @@
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License, version 2, as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * Copyright (C) 2013 Freescale Semiconductor, Inc.
+ *
+ */
+
+#ifndef __FSL_PAMU_STASH_H
+#define __FSL_PAMU_STASH_H
+
+/* cache stash targets */
+enum pamu_stash_target {
+ PAMU_ATTR_CACHE_L1 = 1,
+ PAMU_ATTR_CACHE_L2,
+ PAMU_ATTR_CACHE_L3,
+};
+
+/*
+ * This attribute allows configuring stashig specific parameters
+ * in the PAMU hardware.
+ */
+
+struct pamu_stash_attribute {
+ u32 cpu; /* cpu number */
+ u32 cache; /* cache to stash to: L1,L2,L3 */
+};
+
+#endif /* __FSL_PAMU_STASH_H */
diff --git a/arch/powerpc/sysdev/fsl_pci.h b/arch/powerpc/sysdev/fsl_pci.h
index defc422a375f..8d455df58471 100644
--- a/arch/powerpc/sysdev/fsl_pci.h
+++ b/arch/powerpc/sysdev/fsl_pci.h
@@ -16,6 +16,11 @@
struct platform_device;
+
+/* FSL PCI controller BRR1 register */
+#define PCI_FSL_BRR1 0xbf8
+#define PCI_FSL_BRR1_VER 0xffff
+
#define PCIE_LTSSM 0x0404 /* PCIE Link Training and Status */
#define PCIE_LTSSM_L0 0x16 /* L0 state */
#define PCIE_IP_REV_2_2 0x02080202 /* PCIE IP block version Rev2.2 */
diff --git a/arch/x86/kernel/cpu/perf_event_intel.c b/arch/x86/kernel/cpu/perf_event_intel.c
index 0abf6742a8b0..c62d88396ad5 100644
--- a/arch/x86/kernel/cpu/perf_event_intel.c
+++ b/arch/x86/kernel/cpu/perf_event_intel.c
@@ -124,6 +124,7 @@ static struct event_constraint intel_ivb_event_constraints[] __read_mostly =
INTEL_UEVENT_CONSTRAINT(0x0148, 0x4), /* L1D_PEND_MISS.PENDING */
INTEL_UEVENT_CONSTRAINT(0x0279, 0xf), /* IDQ.EMTPY */
INTEL_UEVENT_CONSTRAINT(0x019c, 0xf), /* IDQ_UOPS_NOT_DELIVERED.CORE */
+ INTEL_UEVENT_CONSTRAINT(0x02a3, 0xf), /* CYCLE_ACTIVITY.CYCLES_LDM_PENDING */
INTEL_UEVENT_CONSTRAINT(0x04a3, 0xf), /* CYCLE_ACTIVITY.CYCLES_NO_EXECUTE */
INTEL_UEVENT_CONSTRAINT(0x05a3, 0xf), /* CYCLE_ACTIVITY.STALLS_L2_PENDING */
INTEL_UEVENT_CONSTRAINT(0x06a3, 0xf), /* CYCLE_ACTIVITY.STALLS_LDM_PENDING */
diff --git a/arch/x86/kernel/cpu/perf_event_intel_uncore.c b/arch/x86/kernel/cpu/perf_event_intel_uncore.c
index fd8011ed4dcd..8ed44589b0e4 100644
--- a/arch/x86/kernel/cpu/perf_event_intel_uncore.c
+++ b/arch/x86/kernel/cpu/perf_event_intel_uncore.c
@@ -2808,7 +2808,7 @@ uncore_get_event_constraint(struct intel_uncore_box *box, struct perf_event *eve
return c;
}
- if (event->hw.config == ~0ULL)
+ if (event->attr.config == UNCORE_FIXED_EVENT)
return &constraint_fixed;
if (type->constraints) {
@@ -3112,7 +3112,9 @@ static int uncore_pmu_event_init(struct perf_event *event)
*/
if (pmu->type->single_fixed && pmu->pmu_idx > 0)
return -EINVAL;
- hwc->config = ~0ULL;
+
+ /* fixed counters have event field hardcoded to zero */
+ hwc->config = 0ULL;
} else {
hwc->config = event->attr.config & pmu->type->event_mask;
if (pmu->type->ops->hw_config) {
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index 6e2d2c8f230b..dce0df8150df 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -4421,13 +4421,12 @@ void kvm_mmu_invalidate_mmio_sptes(struct kvm *kvm)
}
}
-static int mmu_shrink(struct shrinker *shrink, struct shrink_control *sc)
+static unsigned long
+mmu_shrink_scan(struct shrinker *shrink, struct shrink_control *sc)
{
struct kvm *kvm;
int nr_to_scan = sc->nr_to_scan;
-
- if (nr_to_scan == 0)
- goto out;
+ unsigned long freed = 0;
raw_spin_lock(&kvm_lock);
@@ -4462,25 +4461,37 @@ static int mmu_shrink(struct shrinker *shrink, struct shrink_control *sc)
goto unlock;
}
- prepare_zap_oldest_mmu_page(kvm, &invalid_list);
+ if (prepare_zap_oldest_mmu_page(kvm, &invalid_list))
+ freed++;
kvm_mmu_commit_zap_page(kvm, &invalid_list);
unlock:
spin_unlock(&kvm->mmu_lock);
srcu_read_unlock(&kvm->srcu, idx);
+ /*
+ * unfair on small ones
+ * per-vm shrinkers cry out
+ * sadness comes quickly
+ */
list_move_tail(&kvm->vm_list, &vm_list);
break;
}
raw_spin_unlock(&kvm_lock);
+ return freed;
-out:
+}
+
+static unsigned long
+mmu_shrink_count(struct shrinker *shrink, struct shrink_control *sc)
+{
return percpu_counter_read_positive(&kvm_total_used_mmu_pages);
}
static struct shrinker mmu_shrinker = {
- .shrink = mmu_shrink,
+ .count_objects = mmu_shrink_count,
+ .scan_objects = mmu_shrink_scan,
.seeks = DEFAULT_SEEKS * 10,
};