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-rw-r--r--arch/Kconfig7
-rw-r--r--arch/alpha/Kconfig2
-rw-r--r--arch/arm/Kconfig3
-rw-r--r--arch/arm/boot/dts/dbx5x0.dtsi3
-rw-r--r--arch/arm/boot/dts/href.dtsi2
-rw-r--r--arch/arm/boot/dts/hrefv60plus.dts2
-rw-r--r--arch/arm/boot/dts/snowball.dts2
-rw-r--r--arch/arm/include/asm/xen/events.h25
-rw-r--r--arch/arm/kernel/smp.c2
-rw-r--r--arch/arm/lib/memset.S33
-rw-r--r--arch/arm/mach-at91/board-foxg20.c1
-rw-r--r--arch/arm/mach-at91/board-stamp9g20.c1
-rw-r--r--arch/arm/mach-ixp4xx/vulcan-setup.c1
-rw-r--r--arch/arm/mach-pxa/raumfeld.c1
-rw-r--r--arch/arm/mm/dma-mapping.c5
-rw-r--r--arch/avr32/Kconfig2
-rw-r--r--arch/blackfin/Kconfig2
-rw-r--r--arch/cris/Kconfig2
-rw-r--r--arch/frv/Kconfig2
-rw-r--r--arch/h8300/Kconfig2
-rw-r--r--arch/ia64/Kconfig2
-rw-r--r--arch/m32r/Kconfig2
-rw-r--r--arch/m32r/include/uapi/asm/stat.h4
-rw-r--r--arch/m68k/Kconfig2
-rw-r--r--arch/m68k/Kconfig.machine1
-rw-r--r--arch/m68k/include/asm/MC68328.h10
-rw-r--r--arch/m68k/kernel/setup_no.c3
-rw-r--r--arch/m68k/mm/init.c2
-rw-r--r--arch/m68k/platform/coldfire/m528x.c2
-rw-r--r--arch/microblaze/Kconfig2
-rw-r--r--arch/mips/Kconfig2
-rw-r--r--arch/mn10300/Kconfig2
-rw-r--r--arch/openrisc/Kconfig3
-rw-r--r--arch/parisc/Kconfig2
-rw-r--r--arch/powerpc/Kconfig3
-rw-r--r--arch/powerpc/include/asm/mmu-hash64.h128
-rw-r--r--arch/powerpc/kernel/cputable.c2
-rw-r--r--arch/powerpc/kernel/exceptions-64s.S34
-rw-r--r--arch/powerpc/kernel/prom_init.c14
-rw-r--r--arch/powerpc/kernel/ptrace.c1
-rw-r--r--arch/powerpc/kvm/book3s_64_mmu_host.c4
-rw-r--r--arch/powerpc/mm/hash_utils_64.c22
-rw-r--r--arch/powerpc/mm/mmu_context_hash64.c11
-rw-r--r--arch/powerpc/mm/pgtable_64.c2
-rw-r--r--arch/powerpc/mm/slb_low.S50
-rw-r--r--arch/powerpc/mm/tlb_hash64.c2
-rw-r--r--arch/powerpc/platforms/Kconfig.cputype6
-rw-r--r--arch/s390/Kconfig2
-rw-r--r--arch/s390/include/asm/cpu_mf.h1
-rw-r--r--arch/score/Kconfig2
-rw-r--r--arch/tile/Kconfig2
-rw-r--r--arch/um/drivers/chan.h2
-rw-r--r--arch/um/drivers/chan_kern.c4
-rw-r--r--arch/um/drivers/chan_user.c12
-rw-r--r--arch/um/drivers/chan_user.h6
-rw-r--r--arch/um/drivers/line.c42
-rw-r--r--arch/um/drivers/net_kern.c2
-rw-r--r--arch/um/drivers/ssl.c1
-rw-r--r--arch/um/drivers/stdio_console.c1
-rw-r--r--arch/um/os-Linux/signal.c2
-rw-r--r--arch/um/os-Linux/start_up.c2
-rw-r--r--arch/unicore32/Kconfig2
-rw-r--r--arch/x86/Kconfig2
-rw-r--r--arch/x86/kernel/cpu/perf_event_intel_ds.c10
-rw-r--r--arch/x86/power/cpu.c2
-rw-r--r--arch/xtensa/Kconfig2
66 files changed, 268 insertions, 249 deletions
diff --git a/arch/Kconfig b/arch/Kconfig
index 5a1779c93940..1455579791ec 100644
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -319,13 +319,6 @@ config ARCH_WANT_OLD_COMPAT_IPC
select ARCH_WANT_COMPAT_IPC_PARSE_VERSION
bool
-config HAVE_VIRT_TO_BUS
- bool
- help
- An architecture should select this if it implements the
- deprecated interface virt_to_bus(). All new architectures
- should probably not select this.
-
config HAVE_ARCH_SECCOMP_FILTER
bool
help
diff --git a/arch/alpha/Kconfig b/arch/alpha/Kconfig
index 5833aa441481..8a33ba01301f 100644
--- a/arch/alpha/Kconfig
+++ b/arch/alpha/Kconfig
@@ -9,7 +9,7 @@ config ALPHA
select HAVE_PERF_EVENTS
select HAVE_DMA_ATTRS
select HAVE_GENERIC_HARDIRQS
- select HAVE_VIRT_TO_BUS
+ select VIRT_TO_BUS
select GENERIC_IRQ_PROBE
select AUTO_IRQ_AFFINITY if SMP
select GENERIC_IRQ_SHOW
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 6d6e77c89691..13b739469c51 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -1886,8 +1886,9 @@ config XEN_DOM0
config XEN
bool "Xen guest support on ARM (EXPERIMENTAL)"
- depends on ARM && OF
+ depends on ARM && AEABI && OF
depends on CPU_V7 && !CPU_V6
+ depends on !GENERIC_ATOMIC64
help
Say Y if you want to run Linux in a Virtual Machine on Xen on ARM.
diff --git a/arch/arm/boot/dts/dbx5x0.dtsi b/arch/arm/boot/dts/dbx5x0.dtsi
index 69140ba99f46..9de93096601a 100644
--- a/arch/arm/boot/dts/dbx5x0.dtsi
+++ b/arch/arm/boot/dts/dbx5x0.dtsi
@@ -319,9 +319,8 @@
};
};
- ab8500@5 {
+ ab8500 {
compatible = "stericsson,ab8500";
- reg = <5>; /* mailbox 5 is i2c */
interrupt-parent = <&intc>;
interrupts = <0 40 0x4>;
interrupt-controller;
diff --git a/arch/arm/boot/dts/href.dtsi b/arch/arm/boot/dts/href.dtsi
index 592fb9dc35bd..379128eb9d98 100644
--- a/arch/arm/boot/dts/href.dtsi
+++ b/arch/arm/boot/dts/href.dtsi
@@ -221,7 +221,7 @@
};
};
- ab8500@5 {
+ ab8500 {
ab8500-regulators {
ab8500_ldo_aux1_reg: ab8500_ldo_aux1 {
regulator-name = "V-DISPLAY";
diff --git a/arch/arm/boot/dts/hrefv60plus.dts b/arch/arm/boot/dts/hrefv60plus.dts
index 55f4191a626e..2b587a74b813 100644
--- a/arch/arm/boot/dts/hrefv60plus.dts
+++ b/arch/arm/boot/dts/hrefv60plus.dts
@@ -158,7 +158,7 @@
};
};
- ab8500@5 {
+ ab8500 {
ab8500-regulators {
ab8500_ldo_aux1_reg: ab8500_ldo_aux1 {
regulator-name = "V-DISPLAY";
diff --git a/arch/arm/boot/dts/snowball.dts b/arch/arm/boot/dts/snowball.dts
index 27f31a5fa494..d3ec32f6b790 100644
--- a/arch/arm/boot/dts/snowball.dts
+++ b/arch/arm/boot/dts/snowball.dts
@@ -298,7 +298,7 @@
};
};
- ab8500@5 {
+ ab8500 {
ab8500-regulators {
ab8500_ldo_aux1_reg: ab8500_ldo_aux1 {
regulator-name = "V-DISPLAY";
diff --git a/arch/arm/include/asm/xen/events.h b/arch/arm/include/asm/xen/events.h
index 5c27696de14f..8b1f37bfeeec 100644
--- a/arch/arm/include/asm/xen/events.h
+++ b/arch/arm/include/asm/xen/events.h
@@ -2,6 +2,7 @@
#define _ASM_ARM_XEN_EVENTS_H
#include <asm/ptrace.h>
+#include <asm/atomic.h>
enum ipi_vector {
XEN_PLACEHOLDER_VECTOR,
@@ -15,26 +16,8 @@ static inline int xen_irqs_disabled(struct pt_regs *regs)
return raw_irqs_disabled_flags(regs->ARM_cpsr);
}
-/*
- * We cannot use xchg because it does not support 8-byte
- * values. However it is safe to use {ldr,dtd}exd directly because all
- * platforms which Xen can run on support those instructions.
- */
-static inline xen_ulong_t xchg_xen_ulong(xen_ulong_t *ptr, xen_ulong_t val)
-{
- xen_ulong_t oldval;
- unsigned int tmp;
-
- wmb();
- asm volatile("@ xchg_xen_ulong\n"
- "1: ldrexd %0, %H0, [%3]\n"
- " strexd %1, %2, %H2, [%3]\n"
- " teq %1, #0\n"
- " bne 1b"
- : "=&r" (oldval), "=&r" (tmp)
- : "r" (val), "r" (ptr)
- : "memory", "cc");
- return oldval;
-}
+#define xchg_xen_ulong(ptr, val) atomic64_xchg(container_of((ptr), \
+ atomic64_t, \
+ counter), (val))
#endif /* _ASM_ARM_XEN_EVENTS_H */
diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c
index 31644f1978d5..79078edbb9bc 100644
--- a/arch/arm/kernel/smp.c
+++ b/arch/arm/kernel/smp.c
@@ -480,7 +480,7 @@ static void __cpuinit broadcast_timer_setup(struct clock_event_device *evt)
evt->features = CLOCK_EVT_FEAT_ONESHOT |
CLOCK_EVT_FEAT_PERIODIC |
CLOCK_EVT_FEAT_DUMMY;
- evt->rating = 400;
+ evt->rating = 100;
evt->mult = 1;
evt->set_mode = broadcast_timer_set_mode;
diff --git a/arch/arm/lib/memset.S b/arch/arm/lib/memset.S
index d912e7397ecc..94b0650ea98f 100644
--- a/arch/arm/lib/memset.S
+++ b/arch/arm/lib/memset.S
@@ -14,31 +14,15 @@
.text
.align 5
- .word 0
-
-1: subs r2, r2, #4 @ 1 do we have enough
- blt 5f @ 1 bytes to align with?
- cmp r3, #2 @ 1
- strltb r1, [ip], #1 @ 1
- strleb r1, [ip], #1 @ 1
- strb r1, [ip], #1 @ 1
- add r2, r2, r3 @ 1 (r2 = r2 - (4 - r3))
-/*
- * The pointer is now aligned and the length is adjusted. Try doing the
- * memset again.
- */
ENTRY(memset)
-/*
- * Preserve the contents of r0 for the return value.
- */
- mov ip, r0
- ands r3, ip, #3 @ 1 unaligned?
- bne 1b @ 1
+ ands r3, r0, #3 @ 1 unaligned?
+ mov ip, r0 @ preserve r0 as return value
+ bne 6f @ 1
/*
* we know that the pointer in ip is aligned to a word boundary.
*/
- orr r1, r1, r1, lsl #8
+1: orr r1, r1, r1, lsl #8
orr r1, r1, r1, lsl #16
mov r3, r1
cmp r2, #16
@@ -127,4 +111,13 @@ ENTRY(memset)
tst r2, #1
strneb r1, [ip], #1
mov pc, lr
+
+6: subs r2, r2, #4 @ 1 do we have enough
+ blt 5b @ 1 bytes to align with?
+ cmp r3, #2 @ 1
+ strltb r1, [ip], #1 @ 1
+ strleb r1, [ip], #1 @ 1
+ strb r1, [ip], #1 @ 1
+ add r2, r2, r3 @ 1 (r2 = r2 - (4 - r3))
+ b 1b
ENDPROC(memset)
diff --git a/arch/arm/mach-at91/board-foxg20.c b/arch/arm/mach-at91/board-foxg20.c
index 2ea7059b840b..c20a870ea9c9 100644
--- a/arch/arm/mach-at91/board-foxg20.c
+++ b/arch/arm/mach-at91/board-foxg20.c
@@ -176,6 +176,7 @@ static struct w1_gpio_platform_data w1_gpio_pdata = {
/* If you choose to use a pin other than PB16 it needs to be 3.3V */
.pin = AT91_PIN_PB16,
.is_open_drain = 1,
+ .ext_pullup_enable_pin = -EINVAL,
};
static struct platform_device w1_device = {
diff --git a/arch/arm/mach-at91/board-stamp9g20.c b/arch/arm/mach-at91/board-stamp9g20.c
index a033b8df9fb2..869cbecf00b7 100644
--- a/arch/arm/mach-at91/board-stamp9g20.c
+++ b/arch/arm/mach-at91/board-stamp9g20.c
@@ -188,6 +188,7 @@ static struct spi_board_info portuxg20_spi_devices[] = {
static struct w1_gpio_platform_data w1_gpio_pdata = {
.pin = AT91_PIN_PA29,
.is_open_drain = 1,
+ .ext_pullup_enable_pin = -EINVAL,
};
static struct platform_device w1_device = {
diff --git a/arch/arm/mach-ixp4xx/vulcan-setup.c b/arch/arm/mach-ixp4xx/vulcan-setup.c
index d42730a1d4ab..d599e354ca57 100644
--- a/arch/arm/mach-ixp4xx/vulcan-setup.c
+++ b/arch/arm/mach-ixp4xx/vulcan-setup.c
@@ -163,6 +163,7 @@ static struct platform_device vulcan_max6369 = {
static struct w1_gpio_platform_data vulcan_w1_gpio_pdata = {
.pin = 14,
+ .ext_pullup_enable_pin = -EINVAL,
};
static struct platform_device vulcan_w1_gpio = {
diff --git a/arch/arm/mach-pxa/raumfeld.c b/arch/arm/mach-pxa/raumfeld.c
index af41888acbd6..969b0ba7fa70 100644
--- a/arch/arm/mach-pxa/raumfeld.c
+++ b/arch/arm/mach-pxa/raumfeld.c
@@ -505,6 +505,7 @@ static struct w1_gpio_platform_data w1_gpio_platform_data = {
.pin = GPIO_ONE_WIRE,
.is_open_drain = 0,
.enable_external_pullup = w1_enable_external_pullup,
+ .ext_pullup_enable_pin = -EINVAL,
};
struct platform_device raumfeld_w1_gpio_device = {
diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c
index c7e3759f16d3..e9db6b4bf65a 100644
--- a/arch/arm/mm/dma-mapping.c
+++ b/arch/arm/mm/dma-mapping.c
@@ -342,6 +342,7 @@ static int __init atomic_pool_init(void)
{
struct dma_pool *pool = &atomic_pool;
pgprot_t prot = pgprot_dmacoherent(pgprot_kernel);
+ gfp_t gfp = GFP_KERNEL | GFP_DMA;
unsigned long nr_pages = pool->size >> PAGE_SHIFT;
unsigned long *bitmap;
struct page *page;
@@ -361,8 +362,8 @@ static int __init atomic_pool_init(void)
ptr = __alloc_from_contiguous(NULL, pool->size, prot, &page,
atomic_pool_init);
else
- ptr = __alloc_remap_buffer(NULL, pool->size, GFP_KERNEL, prot,
- &page, atomic_pool_init);
+ ptr = __alloc_remap_buffer(NULL, pool->size, gfp, prot, &page,
+ atomic_pool_init);
if (ptr) {
int i;
diff --git a/arch/avr32/Kconfig b/arch/avr32/Kconfig
index 9b89257b2cfd..c1a868d398bd 100644
--- a/arch/avr32/Kconfig
+++ b/arch/avr32/Kconfig
@@ -7,7 +7,7 @@ config AVR32
select HAVE_OPROFILE
select HAVE_KPROBES
select HAVE_GENERIC_HARDIRQS
- select HAVE_VIRT_TO_BUS
+ select VIRT_TO_BUS
select GENERIC_IRQ_PROBE
select GENERIC_ATOMIC64
select HARDIRQS_SW_RESEND
diff --git a/arch/blackfin/Kconfig b/arch/blackfin/Kconfig
index 600494c70e96..c3f2e0bc644a 100644
--- a/arch/blackfin/Kconfig
+++ b/arch/blackfin/Kconfig
@@ -33,7 +33,7 @@ config BLACKFIN
select ARCH_HAVE_CUSTOM_GPIO_H
select ARCH_WANT_OPTIONAL_GPIOLIB
select HAVE_UID16
- select HAVE_VIRT_TO_BUS
+ select VIRT_TO_BUS
select ARCH_WANT_IPC_PARSE_VERSION
select HAVE_GENERIC_HARDIRQS
select GENERIC_ATOMIC64
diff --git a/arch/cris/Kconfig b/arch/cris/Kconfig
index bb0ac66cf533..06dd026533e3 100644
--- a/arch/cris/Kconfig
+++ b/arch/cris/Kconfig
@@ -43,7 +43,7 @@ config CRIS
select GENERIC_ATOMIC64
select HAVE_GENERIC_HARDIRQS
select HAVE_UID16
- select HAVE_VIRT_TO_BUS
+ select VIRT_TO_BUS
select ARCH_WANT_IPC_PARSE_VERSION
select GENERIC_IRQ_SHOW
select GENERIC_IOMAP
diff --git a/arch/frv/Kconfig b/arch/frv/Kconfig
index 12369b194c7b..2ce731f9aa4d 100644
--- a/arch/frv/Kconfig
+++ b/arch/frv/Kconfig
@@ -6,7 +6,7 @@ config FRV
select HAVE_PERF_EVENTS
select HAVE_UID16
select HAVE_GENERIC_HARDIRQS
- select HAVE_VIRT_TO_BUS
+ select VIRT_TO_BUS
select GENERIC_IRQ_SHOW
select HAVE_DEBUG_BUGVERBOSE
select ARCH_HAVE_NMI_SAFE_CMPXCHG
diff --git a/arch/h8300/Kconfig b/arch/h8300/Kconfig
index ae8551eb3736..79250de1b12a 100644
--- a/arch/h8300/Kconfig
+++ b/arch/h8300/Kconfig
@@ -5,7 +5,7 @@ config H8300
select HAVE_GENERIC_HARDIRQS
select GENERIC_ATOMIC64
select HAVE_UID16
- select HAVE_VIRT_TO_BUS
+ select VIRT_TO_BUS
select ARCH_WANT_IPC_PARSE_VERSION
select GENERIC_IRQ_SHOW
select GENERIC_CPU_DEVICES
diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index 33f3fdc0b214..9a02f71c6b1f 100644
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -26,7 +26,7 @@ config IA64
select HAVE_MEMBLOCK
select HAVE_MEMBLOCK_NODE_MAP
select HAVE_VIRT_CPU_ACCOUNTING
- select HAVE_VIRT_TO_BUS
+ select VIRT_TO_BUS
select ARCH_DISCARD_MEMBLOCK
select GENERIC_IRQ_PROBE
select GENERIC_PENDING_IRQ if SMP
diff --git a/arch/m32r/Kconfig b/arch/m32r/Kconfig
index 92623818a1fe..bcd17b206571 100644
--- a/arch/m32r/Kconfig
+++ b/arch/m32r/Kconfig
@@ -10,7 +10,7 @@ config M32R
select ARCH_WANT_IPC_PARSE_VERSION
select HAVE_DEBUG_BUGVERBOSE
select HAVE_GENERIC_HARDIRQS
- select HAVE_VIRT_TO_BUS
+ select VIRT_TO_BUS
select GENERIC_IRQ_PROBE
select GENERIC_IRQ_SHOW
select GENERIC_ATOMIC64
diff --git a/arch/m32r/include/uapi/asm/stat.h b/arch/m32r/include/uapi/asm/stat.h
index da4518f82d6d..98470fe483b6 100644
--- a/arch/m32r/include/uapi/asm/stat.h
+++ b/arch/m32r/include/uapi/asm/stat.h
@@ -63,10 +63,10 @@ struct stat64 {
long long st_size;
unsigned long st_blksize;
-#if defined(__BIG_ENDIAN)
+#if defined(__BYTE_ORDER) ? __BYTE_ORDER == __BIG_ENDIAN : defined(__BIG_ENDIAN)
unsigned long __pad4; /* future possible st_blocks high bits */
unsigned long st_blocks; /* Number 512-byte blocks allocated. */
-#elif defined(__LITTLE_ENDIAN)
+#elif defined(__BYTE_ORDER) ? __BYTE_ORDER == __LITTLE_ENDIAN : defined(__LITTLE_ENDIAN)
unsigned long st_blocks; /* Number 512-byte blocks allocated. */
unsigned long __pad4; /* future possible st_blocks high bits */
#else
diff --git a/arch/m68k/Kconfig b/arch/m68k/Kconfig
index 0e708c78e01c..6de813370b8c 100644
--- a/arch/m68k/Kconfig
+++ b/arch/m68k/Kconfig
@@ -8,7 +8,7 @@ config M68K
select GENERIC_IRQ_SHOW
select GENERIC_ATOMIC64
select HAVE_UID16
- select HAVE_VIRT_TO_BUS
+ select VIRT_TO_BUS
select ARCH_HAVE_NMI_SAFE_CMPXCHG if RMW_INSNS
select GENERIC_CPU_DEVICES
select GENERIC_STRNCPY_FROM_USER if MMU
diff --git a/arch/m68k/Kconfig.machine b/arch/m68k/Kconfig.machine
index 7cdf6b010381..7240584d3439 100644
--- a/arch/m68k/Kconfig.machine
+++ b/arch/m68k/Kconfig.machine
@@ -310,7 +310,6 @@ config COBRA5282
config SOM5282EM
bool "EMAC.Inc SOM5282EM board support"
depends on M528x
- select EMAC_INC
help
Support for the EMAC.Inc SOM5282EM module.
diff --git a/arch/m68k/include/asm/MC68328.h b/arch/m68k/include/asm/MC68328.h
index a337e56d09bf..4ebf098b8a1f 100644
--- a/arch/m68k/include/asm/MC68328.h
+++ b/arch/m68k/include/asm/MC68328.h
@@ -293,7 +293,7 @@
/*
* Here go the bitmasks themselves
*/
-#define IMR_MSPIM (1 << SPIM _IRQ_NUM) /* Mask SPI Master interrupt */
+#define IMR_MSPIM (1 << SPIM_IRQ_NUM) /* Mask SPI Master interrupt */
#define IMR_MTMR2 (1 << TMR2_IRQ_NUM) /* Mask Timer 2 interrupt */
#define IMR_MUART (1 << UART_IRQ_NUM) /* Mask UART interrupt */
#define IMR_MWDT (1 << WDT_IRQ_NUM) /* Mask Watchdog Timer interrupt */
@@ -327,7 +327,7 @@
#define IWR_ADDR 0xfffff308
#define IWR LONG_REF(IWR_ADDR)
-#define IWR_SPIM (1 << SPIM _IRQ_NUM) /* SPI Master interrupt */
+#define IWR_SPIM (1 << SPIM_IRQ_NUM) /* SPI Master interrupt */
#define IWR_TMR2 (1 << TMR2_IRQ_NUM) /* Timer 2 interrupt */
#define IWR_UART (1 << UART_IRQ_NUM) /* UART interrupt */
#define IWR_WDT (1 << WDT_IRQ_NUM) /* Watchdog Timer interrupt */
@@ -357,7 +357,7 @@
#define ISR_ADDR 0xfffff30c
#define ISR LONG_REF(ISR_ADDR)
-#define ISR_SPIM (1 << SPIM _IRQ_NUM) /* SPI Master interrupt */
+#define ISR_SPIM (1 << SPIM_IRQ_NUM) /* SPI Master interrupt */
#define ISR_TMR2 (1 << TMR2_IRQ_NUM) /* Timer 2 interrupt */
#define ISR_UART (1 << UART_IRQ_NUM) /* UART interrupt */
#define ISR_WDT (1 << WDT_IRQ_NUM) /* Watchdog Timer interrupt */
@@ -391,7 +391,7 @@
#define IPR_ADDR 0xfffff310
#define IPR LONG_REF(IPR_ADDR)
-#define IPR_SPIM (1 << SPIM _IRQ_NUM) /* SPI Master interrupt */
+#define IPR_SPIM (1 << SPIM_IRQ_NUM) /* SPI Master interrupt */
#define IPR_TMR2 (1 << TMR2_IRQ_NUM) /* Timer 2 interrupt */
#define IPR_UART (1 << UART_IRQ_NUM) /* UART interrupt */
#define IPR_WDT (1 << WDT_IRQ_NUM) /* Watchdog Timer interrupt */
@@ -757,7 +757,7 @@
/* 'EZ328-compatible definitions */
#define TCN_ADDR TCN1_ADDR
-#define TCN TCN
+#define TCN TCN1
/*
* Timer Unit 1 and 2 Status Registers
diff --git a/arch/m68k/kernel/setup_no.c b/arch/m68k/kernel/setup_no.c
index 71fb29938dba..911ba472e6c4 100644
--- a/arch/m68k/kernel/setup_no.c
+++ b/arch/m68k/kernel/setup_no.c
@@ -57,6 +57,9 @@ void (*mach_reset)(void);
void (*mach_halt)(void);
void (*mach_power_off)(void);
+#ifdef CONFIG_M68000
+#define CPU_NAME "MC68000"
+#endif
#ifdef CONFIG_M68328
#define CPU_NAME "MC68328"
#endif
diff --git a/arch/m68k/mm/init.c b/arch/m68k/mm/init.c
index afd8106fd83b..519aad8fa812 100644
--- a/arch/m68k/mm/init.c
+++ b/arch/m68k/mm/init.c
@@ -188,7 +188,7 @@ void __init mem_init(void)
}
}
-#if !defined(CONFIG_SUN3) && !defined(CONFIG_COLDFIRE)
+#if defined(CONFIG_MMU) && !defined(CONFIG_SUN3) && !defined(CONFIG_COLDFIRE)
/* insert pointer tables allocated so far into the tablelist */
init_pointer_table((unsigned long)kernel_pg_dir);
for (i = 0; i < PTRS_PER_PGD; i++) {
diff --git a/arch/m68k/platform/coldfire/m528x.c b/arch/m68k/platform/coldfire/m528x.c
index 83b7dad7a84e..b03a9d271837 100644
--- a/arch/m68k/platform/coldfire/m528x.c
+++ b/arch/m68k/platform/coldfire/m528x.c
@@ -69,7 +69,7 @@ static void __init m528x_uarts_init(void)
u8 port;
/* make sure PUAPAR is set for UART0 and UART1 */
- port = readb(MCF5282_GPIO_PUAPAR);
+ port = readb(MCFGPIO_PUAPAR);
port |= 0x03 | (0x03 << 2);
writeb(port, MCFGPIO_PUAPAR);
}
diff --git a/arch/microblaze/Kconfig b/arch/microblaze/Kconfig
index 7843d11156e6..1323fa2530eb 100644
--- a/arch/microblaze/Kconfig
+++ b/arch/microblaze/Kconfig
@@ -19,7 +19,7 @@ config MICROBLAZE
select HAVE_DEBUG_KMEMLEAK
select IRQ_DOMAIN
select HAVE_GENERIC_HARDIRQS
- select HAVE_VIRT_TO_BUS
+ select VIRT_TO_BUS
select GENERIC_IRQ_PROBE
select GENERIC_IRQ_SHOW
select GENERIC_PCI_IOMAP
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index ae9c716c46bb..cd2e21ff562a 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -38,7 +38,7 @@ config MIPS
select GENERIC_CLOCKEVENTS
select GENERIC_CMOS_UPDATE
select HAVE_MOD_ARCH_SPECIFIC
- select HAVE_VIRT_TO_BUS
+ select VIRT_TO_BUS
select MODULES_USE_ELF_REL if MODULES
select MODULES_USE_ELF_RELA if MODULES && 64BIT
select CLONE_BACKWARDS
diff --git a/arch/mn10300/Kconfig b/arch/mn10300/Kconfig
index b06c7360b1c6..428da175d073 100644
--- a/arch/mn10300/Kconfig
+++ b/arch/mn10300/Kconfig
@@ -8,7 +8,7 @@ config MN10300
select HAVE_ARCH_KGDB
select GENERIC_ATOMIC64
select HAVE_NMI_WATCHDOG if MN10300_WD_TIMER
- select HAVE_VIRT_TO_BUS
+ select VIRT_TO_BUS
select GENERIC_CLOCKEVENTS
select MODULES_USE_ELF_RELA
select OLD_SIGSUSPEND3
diff --git a/arch/openrisc/Kconfig b/arch/openrisc/Kconfig
index 014a6482ed4c..9ab3bf2eca8d 100644
--- a/arch/openrisc/Kconfig
+++ b/arch/openrisc/Kconfig
@@ -9,10 +9,9 @@ config OPENRISC
select OF_EARLY_FLATTREE
select IRQ_DOMAIN
select HAVE_MEMBLOCK
- select ARCH_WANT_OPTIONAL_GPIOLIB
+ select ARCH_REQUIRE_GPIOLIB
select HAVE_ARCH_TRACEHOOK
select HAVE_GENERIC_HARDIRQS
- select HAVE_VIRT_TO_BUS
select GENERIC_IRQ_CHIP
select GENERIC_IRQ_PROBE
select GENERIC_IRQ_SHOW
diff --git a/arch/parisc/Kconfig b/arch/parisc/Kconfig
index a9ff712a2864..0339181bf3ac 100644
--- a/arch/parisc/Kconfig
+++ b/arch/parisc/Kconfig
@@ -21,7 +21,7 @@ config PARISC
select GENERIC_STRNCPY_FROM_USER
select SYSCTL_ARCH_UNALIGN_ALLOW
select HAVE_MOD_ARCH_SPECIFIC
- select HAVE_VIRT_TO_BUS
+ select VIRT_TO_BUS
select MODULES_USE_ELF_RELA
select CLONE_BACKWARDS
select TTY # Needed for pdc_cons.c
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index b89d7eb730a2..ea5bb045983a 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -90,6 +90,7 @@ config GENERIC_GPIO
config PPC
bool
default y
+ select BINFMT_ELF
select OF
select OF_EARLY_FLATTREE
select HAVE_FTRACE_MCOUNT_RECORD
@@ -98,7 +99,7 @@ config PPC
select HAVE_FUNCTION_GRAPH_TRACER
select SYSCTL_EXCEPTION_TRACE
select ARCH_WANT_OPTIONAL_GPIOLIB
- select HAVE_VIRT_TO_BUS if !PPC64
+ select VIRT_TO_BUS if !PPC64
select HAVE_IDE
select HAVE_IOREMAP_PROT
select HAVE_EFFICIENT_UNALIGNED_ACCESS
diff --git a/arch/powerpc/include/asm/mmu-hash64.h b/arch/powerpc/include/asm/mmu-hash64.h
index 2fdb47a19efd..b59e06f507ea 100644
--- a/arch/powerpc/include/asm/mmu-hash64.h
+++ b/arch/powerpc/include/asm/mmu-hash64.h
@@ -343,17 +343,16 @@ extern void slb_set_size(u16 size);
/*
* VSID allocation (256MB segment)
*
- * We first generate a 38-bit "proto-VSID". For kernel addresses this
- * is equal to the ESID | 1 << 37, for user addresses it is:
- * (context << USER_ESID_BITS) | (esid & ((1U << USER_ESID_BITS) - 1)
+ * We first generate a 37-bit "proto-VSID". Proto-VSIDs are generated
+ * from mmu context id and effective segment id of the address.
*
- * This splits the proto-VSID into the below range
- * 0 - (2^(CONTEXT_BITS + USER_ESID_BITS) - 1) : User proto-VSID range
- * 2^(CONTEXT_BITS + USER_ESID_BITS) - 2^(VSID_BITS) : Kernel proto-VSID range
- *
- * We also have CONTEXT_BITS + USER_ESID_BITS = VSID_BITS - 1
- * That is, we assign half of the space to user processes and half
- * to the kernel.
+ * For user processes max context id is limited to ((1ul << 19) - 5)
+ * for kernel space, we use the top 4 context ids to map address as below
+ * NOTE: each context only support 64TB now.
+ * 0x7fffc - [ 0xc000000000000000 - 0xc0003fffffffffff ]
+ * 0x7fffd - [ 0xd000000000000000 - 0xd0003fffffffffff ]
+ * 0x7fffe - [ 0xe000000000000000 - 0xe0003fffffffffff ]
+ * 0x7ffff - [ 0xf000000000000000 - 0xf0003fffffffffff ]
*
* The proto-VSIDs are then scrambled into real VSIDs with the
* multiplicative hash:
@@ -363,41 +362,49 @@ extern void slb_set_size(u16 size);
* VSID_MULTIPLIER is prime, so in particular it is
* co-prime to VSID_MODULUS, making this a 1:1 scrambling function.
* Because the modulus is 2^n-1 we can compute it efficiently without
- * a divide or extra multiply (see below).
- *
- * This scheme has several advantages over older methods:
- *
- * - We have VSIDs allocated for every kernel address
- * (i.e. everything above 0xC000000000000000), except the very top
- * segment, which simplifies several things.
+ * a divide or extra multiply (see below). The scramble function gives
+ * robust scattering in the hash table (at least based on some initial
+ * results).
*
- * - We allow for USER_ESID_BITS significant bits of ESID and
- * CONTEXT_BITS bits of context for user addresses.
- * i.e. 64T (46 bits) of address space for up to half a million contexts.
+ * We also consider VSID 0 special. We use VSID 0 for slb entries mapping
+ * bad address. This enables us to consolidate bad address handling in
+ * hash_page.
*
- * - The scramble function gives robust scattering in the hash
- * table (at least based on some initial results). The previous
- * method was more susceptible to pathological cases giving excessive
- * hash collisions.
+ * We also need to avoid the last segment of the last context, because that
+ * would give a protovsid of 0x1fffffffff. That will result in a VSID 0
+ * because of the modulo operation in vsid scramble. But the vmemmap
+ * (which is what uses region 0xf) will never be close to 64TB in size
+ * (it's 56 bytes per page of system memory).
*/
+#define CONTEXT_BITS 19
+#define ESID_BITS 18
+#define ESID_BITS_1T 6
+
+/*
+ * 256MB segment
+ * The proto-VSID space has 2^(CONTEX_BITS + ESID_BITS) - 1 segments
+ * available for user + kernel mapping. The top 4 contexts are used for
+ * kernel mapping. Each segment contains 2^28 bytes. Each
+ * context maps 2^46 bytes (64TB) so we can support 2^19-1 contexts
+ * (19 == 37 + 28 - 46).
+ */
+#define MAX_USER_CONTEXT ((ASM_CONST(1) << CONTEXT_BITS) - 5)
+
/*
* This should be computed such that protovosid * vsid_mulitplier
* doesn't overflow 64 bits. It should also be co-prime to vsid_modulus
*/
#define VSID_MULTIPLIER_256M ASM_CONST(12538073) /* 24-bit prime */
-#define VSID_BITS_256M 38
+#define VSID_BITS_256M (CONTEXT_BITS + ESID_BITS)
#define VSID_MODULUS_256M ((1UL<<VSID_BITS_256M)-1)
#define VSID_MULTIPLIER_1T ASM_CONST(12538073) /* 24-bit prime */
-#define VSID_BITS_1T 26
+#define VSID_BITS_1T (CONTEXT_BITS + ESID_BITS_1T)
#define VSID_MODULUS_1T ((1UL<<VSID_BITS_1T)-1)
-#define CONTEXT_BITS 19
-#define USER_ESID_BITS 18
-#define USER_ESID_BITS_1T 6
-#define USER_VSID_RANGE (1UL << (USER_ESID_BITS + SID_SHIFT))
+#define USER_VSID_RANGE (1UL << (ESID_BITS + SID_SHIFT))
/*
* This macro generates asm code to compute the VSID scramble
@@ -421,7 +428,8 @@ extern void slb_set_size(u16 size);
srdi rx,rt,VSID_BITS_##size; \
clrldi rt,rt,(64-VSID_BITS_##size); \
add rt,rt,rx; /* add high and low bits */ \
- /* Now, r3 == VSID (mod 2^36-1), and lies between 0 and \
+ /* NOTE: explanation based on VSID_BITS_##size = 36 \
+ * Now, r3 == VSID (mod 2^36-1), and lies between 0 and \
* 2^36-1+2^28-1. That in particular means that if r3 >= \
* 2^36-1, then r3+1 has the 2^36 bit set. So, if r3+1 has \
* the bit clear, r3 already has the answer we want, if it \
@@ -513,34 +521,6 @@ typedef struct {
})
#endif /* 1 */
-/*
- * This is only valid for addresses >= PAGE_OFFSET
- * The proto-VSID space is divided into two class
- * User: 0 to 2^(CONTEXT_BITS + USER_ESID_BITS) -1
- * kernel: 2^(CONTEXT_BITS + USER_ESID_BITS) to 2^(VSID_BITS) - 1
- *
- * With KERNEL_START at 0xc000000000000000, the proto vsid for
- * the kernel ends up with 0xc00000000 (36 bits). With 64TB
- * support we need to have kernel proto-VSID in the
- * [2^37 to 2^38 - 1] range due to the increased USER_ESID_BITS.
- */
-static inline unsigned long get_kernel_vsid(unsigned long ea, int ssize)
-{
- unsigned long proto_vsid;
- /*
- * We need to make sure proto_vsid for the kernel is
- * >= 2^(CONTEXT_BITS + USER_ESID_BITS[_1T])
- */
- if (ssize == MMU_SEGSIZE_256M) {
- proto_vsid = ea >> SID_SHIFT;
- proto_vsid |= (1UL << (CONTEXT_BITS + USER_ESID_BITS));
- return vsid_scramble(proto_vsid, 256M);
- }
- proto_vsid = ea >> SID_SHIFT_1T;
- proto_vsid |= (1UL << (CONTEXT_BITS + USER_ESID_BITS_1T));
- return vsid_scramble(proto_vsid, 1T);
-}
-
/* Returns the segment size indicator for a user address */
static inline int user_segment_size(unsigned long addr)
{
@@ -550,17 +530,41 @@ static inline int user_segment_size(unsigned long addr)
return MMU_SEGSIZE_256M;
}
-/* This is only valid for user addresses (which are below 2^44) */
static inline unsigned long get_vsid(unsigned long context, unsigned long ea,
int ssize)
{
+ /*
+ * Bad address. We return VSID 0 for that
+ */
+ if ((ea & ~REGION_MASK) >= PGTABLE_RANGE)
+ return 0;
+
if (ssize == MMU_SEGSIZE_256M)
- return vsid_scramble((context << USER_ESID_BITS)
+ return vsid_scramble((context << ESID_BITS)
| (ea >> SID_SHIFT), 256M);
- return vsid_scramble((context << USER_ESID_BITS_1T)
+ return vsid_scramble((context << ESID_BITS_1T)
| (ea >> SID_SHIFT_1T), 1T);
}
+/*
+ * This is only valid for addresses >= PAGE_OFFSET
+ *
+ * For kernel space, we use the top 4 context ids to map address as below
+ * 0x7fffc - [ 0xc000000000000000 - 0xc0003fffffffffff ]
+ * 0x7fffd - [ 0xd000000000000000 - 0xd0003fffffffffff ]
+ * 0x7fffe - [ 0xe000000000000000 - 0xe0003fffffffffff ]
+ * 0x7ffff - [ 0xf000000000000000 - 0xf0003fffffffffff ]
+ */
+static inline unsigned long get_kernel_vsid(unsigned long ea, int ssize)
+{
+ unsigned long context;
+
+ /*
+ * kernel take the top 4 context from the available range
+ */
+ context = (MAX_USER_CONTEXT) + ((ea >> 60) - 0xc) + 1;
+ return get_vsid(context, ea, ssize);
+}
#endif /* __ASSEMBLY__ */
#endif /* _ASM_POWERPC_MMU_HASH64_H_ */
diff --git a/arch/powerpc/kernel/cputable.c b/arch/powerpc/kernel/cputable.c
index 75a3d71b895d..19599ef352bc 100644
--- a/arch/powerpc/kernel/cputable.c
+++ b/arch/powerpc/kernel/cputable.c
@@ -275,7 +275,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
.cpu_features = CPU_FTRS_PPC970,
.cpu_user_features = COMMON_USER_POWER4 |
PPC_FEATURE_HAS_ALTIVEC_COMP,
- .mmu_features = MMU_FTR_HPTE_TABLE,
+ .mmu_features = MMU_FTRS_PPC970,
.icache_bsize = 128,
.dcache_bsize = 128,
.num_pmcs = 8,
diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S
index 87ef8f5ee5bc..200afa5bcfb7 100644
--- a/arch/powerpc/kernel/exceptions-64s.S
+++ b/arch/powerpc/kernel/exceptions-64s.S
@@ -1452,20 +1452,36 @@ do_ste_alloc:
_GLOBAL(do_stab_bolted)
stw r9,PACA_EXSLB+EX_CCR(r13) /* save CR in exc. frame */
std r11,PACA_EXSLB+EX_SRR0(r13) /* save SRR0 in exc. frame */
+ mfspr r11,SPRN_DAR /* ea */
+ /*
+ * check for bad kernel/user address
+ * (ea & ~REGION_MASK) >= PGTABLE_RANGE
+ */
+ rldicr. r9,r11,4,(63 - 46 - 4)
+ li r9,0 /* VSID = 0 for bad address */
+ bne- 0f
+
+ /*
+ * Calculate VSID:
+ * This is the kernel vsid, we take the top for context from
+ * the range. context = (MAX_USER_CONTEXT) + ((ea >> 60) - 0xc) + 1
+ * Here we know that (ea >> 60) == 0xc
+ */
+ lis r9,(MAX_USER_CONTEXT + 1)@ha
+ addi r9,r9,(MAX_USER_CONTEXT + 1)@l
+
+ srdi r10,r11,SID_SHIFT
+ rldimi r10,r9,ESID_BITS,0 /* proto vsid */
+ ASM_VSID_SCRAMBLE(r10, r9, 256M)
+ rldic r9,r10,12,16 /* r9 = vsid << 12 */
+
+0:
/* Hash to the primary group */
ld r10,PACASTABVIRT(r13)
- mfspr r11,SPRN_DAR
- srdi r11,r11,28
+ srdi r11,r11,SID_SHIFT
rldimi r10,r11,7,52 /* r10 = first ste of the group */
- /* Calculate VSID */
- /* This is a kernel address, so protovsid = ESID | 1 << 37 */
- li r9,0x1
- rldimi r11,r9,(CONTEXT_BITS + USER_ESID_BITS),0
- ASM_VSID_SCRAMBLE(r11, r9, 256M)
- rldic r9,r11,12,16 /* r9 = vsid << 12 */
-
/* Search the primary group for a free entry */
1: ld r11,0(r10) /* Test valid bit of the current ste */
andi. r11,r11,0x80
diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c
index 7f7fb7fd991b..13f8d168b3f1 100644
--- a/arch/powerpc/kernel/prom_init.c
+++ b/arch/powerpc/kernel/prom_init.c
@@ -2832,11 +2832,13 @@ static void unreloc_toc(void)
{
}
#else
-static void __reloc_toc(void *tocstart, unsigned long offset,
- unsigned long nr_entries)
+static void __reloc_toc(unsigned long offset, unsigned long nr_entries)
{
unsigned long i;
- unsigned long *toc_entry = (unsigned long *)tocstart;
+ unsigned long *toc_entry;
+
+ /* Get the start of the TOC by using r2 directly. */
+ asm volatile("addi %0,2,-0x8000" : "=b" (toc_entry));
for (i = 0; i < nr_entries; i++) {
*toc_entry = *toc_entry + offset;
@@ -2850,8 +2852,7 @@ static void reloc_toc(void)
unsigned long nr_entries =
(__prom_init_toc_end - __prom_init_toc_start) / sizeof(long);
- /* Need to add offset to get at __prom_init_toc_start */
- __reloc_toc(__prom_init_toc_start + offset, offset, nr_entries);
+ __reloc_toc(offset, nr_entries);
mb();
}
@@ -2864,8 +2865,7 @@ static void unreloc_toc(void)
mb();
- /* __prom_init_toc_start has been relocated, no need to add offset */
- __reloc_toc(__prom_init_toc_start, -offset, nr_entries);
+ __reloc_toc(-offset, nr_entries);
}
#endif
#endif
diff --git a/arch/powerpc/kernel/ptrace.c b/arch/powerpc/kernel/ptrace.c
index 245c1b6a0858..f9b30c68ba47 100644
--- a/arch/powerpc/kernel/ptrace.c
+++ b/arch/powerpc/kernel/ptrace.c
@@ -1428,6 +1428,7 @@ static long ppc_set_hwdebug(struct task_struct *child,
brk.address = bp_info->addr & ~7UL;
brk.type = HW_BRK_TYPE_TRANSLATE;
+ brk.len = 8;
if (bp_info->trigger_type & PPC_BREAKPOINT_TRIGGER_READ)
brk.type |= HW_BRK_TYPE_READ;
if (bp_info->trigger_type & PPC_BREAKPOINT_TRIGGER_WRITE)
diff --git a/arch/powerpc/kvm/book3s_64_mmu_host.c b/arch/powerpc/kvm/book3s_64_mmu_host.c
index ead58e317294..5d7d29a313eb 100644
--- a/arch/powerpc/kvm/book3s_64_mmu_host.c
+++ b/arch/powerpc/kvm/book3s_64_mmu_host.c
@@ -326,8 +326,8 @@ int kvmppc_mmu_init(struct kvm_vcpu *vcpu)
vcpu3s->context_id[0] = err;
vcpu3s->proto_vsid_max = ((vcpu3s->context_id[0] + 1)
- << USER_ESID_BITS) - 1;
- vcpu3s->proto_vsid_first = vcpu3s->context_id[0] << USER_ESID_BITS;
+ << ESID_BITS) - 1;
+ vcpu3s->proto_vsid_first = vcpu3s->context_id[0] << ESID_BITS;
vcpu3s->proto_vsid_next = vcpu3s->proto_vsid_first;
kvmppc_mmu_hpte_init(vcpu);
diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c
index 1b6e1271719f..f410c3e12c1e 100644
--- a/arch/powerpc/mm/hash_utils_64.c
+++ b/arch/powerpc/mm/hash_utils_64.c
@@ -195,6 +195,11 @@ int htab_bolt_mapping(unsigned long vstart, unsigned long vend,
unsigned long vpn = hpt_vpn(vaddr, vsid, ssize);
unsigned long tprot = prot;
+ /*
+ * If we hit a bad address return error.
+ */
+ if (!vsid)
+ return -1;
/* Make kernel text executable */
if (overlaps_kernel_text(vaddr, vaddr + step))
tprot &= ~HPTE_R_N;
@@ -759,6 +764,8 @@ void __init early_init_mmu(void)
/* Initialize stab / SLB management */
if (mmu_has_feature(MMU_FTR_SLB))
slb_initialize();
+ else
+ stab_initialize(get_paca()->stab_real);
}
#ifdef CONFIG_SMP
@@ -922,11 +929,6 @@ int hash_page(unsigned long ea, unsigned long access, unsigned long trap)
DBG_LOW("hash_page(ea=%016lx, access=%lx, trap=%lx\n",
ea, access, trap);
- if ((ea & ~REGION_MASK) >= PGTABLE_RANGE) {
- DBG_LOW(" out of pgtable range !\n");
- return 1;
- }
-
/* Get region & vsid */
switch (REGION_ID(ea)) {
case USER_REGION_ID:
@@ -957,6 +959,11 @@ int hash_page(unsigned long ea, unsigned long access, unsigned long trap)
}
DBG_LOW(" mm=%p, mm->pgdir=%p, vsid=%016lx\n", mm, mm->pgd, vsid);
+ /* Bad address. */
+ if (!vsid) {
+ DBG_LOW("Bad address!\n");
+ return 1;
+ }
/* Get pgdir */
pgdir = mm->pgd;
if (pgdir == NULL)
@@ -1126,6 +1133,8 @@ void hash_preload(struct mm_struct *mm, unsigned long ea,
/* Get VSID */
ssize = user_segment_size(ea);
vsid = get_vsid(mm->context.id, ea, ssize);
+ if (!vsid)
+ return;
/* Hash doesn't like irqs */
local_irq_save(flags);
@@ -1233,6 +1242,9 @@ static void kernel_map_linear_page(unsigned long vaddr, unsigned long lmi)
hash = hpt_hash(vpn, PAGE_SHIFT, mmu_kernel_ssize);
hpteg = ((hash & htab_hash_mask) * HPTES_PER_GROUP);
+ /* Don't create HPTE entries for bad address */
+ if (!vsid)
+ return;
ret = ppc_md.hpte_insert(hpteg, vpn, __pa(vaddr),
mode, HPTE_V_BOLTED,
mmu_linear_psize, mmu_kernel_ssize);
diff --git a/arch/powerpc/mm/mmu_context_hash64.c b/arch/powerpc/mm/mmu_context_hash64.c
index 40bc5b0ace54..d1d1b92c5b99 100644
--- a/arch/powerpc/mm/mmu_context_hash64.c
+++ b/arch/powerpc/mm/mmu_context_hash64.c
@@ -29,15 +29,6 @@
static DEFINE_SPINLOCK(mmu_context_lock);
static DEFINE_IDA(mmu_context_ida);
-/*
- * 256MB segment
- * The proto-VSID space has 2^(CONTEX_BITS + USER_ESID_BITS) - 1 segments
- * available for user mappings. Each segment contains 2^28 bytes. Each
- * context maps 2^46 bytes (64TB) so we can support 2^19-1 contexts
- * (19 == 37 + 28 - 46).
- */
-#define MAX_CONTEXT ((1UL << CONTEXT_BITS) - 1)
-
int __init_new_context(void)
{
int index;
@@ -56,7 +47,7 @@ again:
else if (err)
return err;
- if (index > MAX_CONTEXT) {
+ if (index > MAX_USER_CONTEXT) {
spin_lock(&mmu_context_lock);
ida_remove(&mmu_context_ida, index);
spin_unlock(&mmu_context_lock);
diff --git a/arch/powerpc/mm/pgtable_64.c b/arch/powerpc/mm/pgtable_64.c
index e212a271c7a4..654258f165ae 100644
--- a/arch/powerpc/mm/pgtable_64.c
+++ b/arch/powerpc/mm/pgtable_64.c
@@ -61,7 +61,7 @@
#endif
#ifdef CONFIG_PPC_STD_MMU_64
-#if TASK_SIZE_USER64 > (1UL << (USER_ESID_BITS + SID_SHIFT))
+#if TASK_SIZE_USER64 > (1UL << (ESID_BITS + SID_SHIFT))
#error TASK_SIZE_USER64 exceeds user VSID range
#endif
#endif
diff --git a/arch/powerpc/mm/slb_low.S b/arch/powerpc/mm/slb_low.S
index 1a16ca227757..17aa6dfceb34 100644
--- a/arch/powerpc/mm/slb_low.S
+++ b/arch/powerpc/mm/slb_low.S
@@ -31,10 +31,15 @@
* No other registers are examined or changed.
*/
_GLOBAL(slb_allocate_realmode)
- /* r3 = faulting address */
+ /*
+ * check for bad kernel/user address
+ * (ea & ~REGION_MASK) >= PGTABLE_RANGE
+ */
+ rldicr. r9,r3,4,(63 - 46 - 4)
+ bne- 8f
srdi r9,r3,60 /* get region */
- srdi r10,r3,28 /* get esid */
+ srdi r10,r3,SID_SHIFT /* get esid */
cmpldi cr7,r9,0xc /* cmp PAGE_OFFSET for later use */
/* r3 = address, r10 = esid, cr7 = <> PAGE_OFFSET */
@@ -56,12 +61,14 @@ _GLOBAL(slb_allocate_realmode)
*/
_GLOBAL(slb_miss_kernel_load_linear)
li r11,0
- li r9,0x1
/*
- * for 1T we shift 12 bits more. slb_finish_load_1T will do
- * the necessary adjustment
+ * context = (MAX_USER_CONTEXT) + ((ea >> 60) - 0xc) + 1
+ * r9 = region id.
*/
- rldimi r10,r9,(CONTEXT_BITS + USER_ESID_BITS),0
+ addis r9,r9,(MAX_USER_CONTEXT - 0xc + 1)@ha
+ addi r9,r9,(MAX_USER_CONTEXT - 0xc + 1)@l
+
+
BEGIN_FTR_SECTION
b slb_finish_load
END_MMU_FTR_SECTION_IFCLR(MMU_FTR_1T_SEGMENT)
@@ -91,24 +98,19 @@ _GLOBAL(slb_miss_kernel_load_vmemmap)
_GLOBAL(slb_miss_kernel_load_io)
li r11,0
6:
- li r9,0x1
/*
- * for 1T we shift 12 bits more. slb_finish_load_1T will do
- * the necessary adjustment
+ * context = (MAX_USER_CONTEXT) + ((ea >> 60) - 0xc) + 1
+ * r9 = region id.
*/
- rldimi r10,r9,(CONTEXT_BITS + USER_ESID_BITS),0
+ addis r9,r9,(MAX_USER_CONTEXT - 0xc + 1)@ha
+ addi r9,r9,(MAX_USER_CONTEXT - 0xc + 1)@l
+
BEGIN_FTR_SECTION
b slb_finish_load
END_MMU_FTR_SECTION_IFCLR(MMU_FTR_1T_SEGMENT)
b slb_finish_load_1T
-0: /* user address: proto-VSID = context << 15 | ESID. First check
- * if the address is within the boundaries of the user region
- */
- srdi. r9,r10,USER_ESID_BITS
- bne- 8f /* invalid ea bits set */
-
-
+0:
/* when using slices, we extract the psize off the slice bitmaps
* and then we need to get the sllp encoding off the mmu_psize_defs
* array.
@@ -164,15 +166,13 @@ END_MMU_FTR_SECTION_IFCLR(MMU_FTR_1T_SEGMENT)
ld r9,PACACONTEXTID(r13)
BEGIN_FTR_SECTION
cmpldi r10,0x1000
-END_MMU_FTR_SECTION_IFSET(MMU_FTR_1T_SEGMENT)
- rldimi r10,r9,USER_ESID_BITS,0
-BEGIN_FTR_SECTION
bge slb_finish_load_1T
END_MMU_FTR_SECTION_IFSET(MMU_FTR_1T_SEGMENT)
b slb_finish_load
8: /* invalid EA */
li r10,0 /* BAD_VSID */
+ li r9,0 /* BAD_VSID */
li r11,SLB_VSID_USER /* flags don't much matter */
b slb_finish_load
@@ -221,8 +221,6 @@ _GLOBAL(slb_allocate_user)
/* get context to calculate proto-VSID */
ld r9,PACACONTEXTID(r13)
- rldimi r10,r9,USER_ESID_BITS,0
-
/* fall through slb_finish_load */
#endif /* __DISABLED__ */
@@ -231,9 +229,10 @@ _GLOBAL(slb_allocate_user)
/*
* Finish loading of an SLB entry and return
*
- * r3 = EA, r10 = proto-VSID, r11 = flags, clobbers r9, cr7 = <> PAGE_OFFSET
+ * r3 = EA, r9 = context, r10 = ESID, r11 = flags, clobbers r9, cr7 = <> PAGE_OFFSET
*/
slb_finish_load:
+ rldimi r10,r9,ESID_BITS,0
ASM_VSID_SCRAMBLE(r10,r9,256M)
/*
* bits above VSID_BITS_256M need to be ignored from r10
@@ -298,10 +297,11 @@ _GLOBAL(slb_compare_rr_to_size)
/*
* Finish loading of a 1T SLB entry (for the kernel linear mapping) and return.
*
- * r3 = EA, r10 = proto-VSID, r11 = flags, clobbers r9
+ * r3 = EA, r9 = context, r10 = ESID(256MB), r11 = flags, clobbers r9
*/
slb_finish_load_1T:
- srdi r10,r10,40-28 /* get 1T ESID */
+ srdi r10,r10,(SID_SHIFT_1T - SID_SHIFT) /* get 1T ESID */
+ rldimi r10,r9,ESID_BITS_1T,0
ASM_VSID_SCRAMBLE(r10,r9,1T)
/*
* bits above VSID_BITS_1T need to be ignored from r10
diff --git a/arch/powerpc/mm/tlb_hash64.c b/arch/powerpc/mm/tlb_hash64.c
index 0d82ef50dc3f..023ec8a13f38 100644
--- a/arch/powerpc/mm/tlb_hash64.c
+++ b/arch/powerpc/mm/tlb_hash64.c
@@ -82,11 +82,11 @@ void hpte_need_flush(struct mm_struct *mm, unsigned long addr,
if (!is_kernel_addr(addr)) {
ssize = user_segment_size(addr);
vsid = get_vsid(mm->context.id, addr, ssize);
- WARN_ON(vsid == 0);
} else {
vsid = get_kernel_vsid(addr, mmu_kernel_ssize);
ssize = mmu_kernel_ssize;
}
+ WARN_ON(vsid == 0);
vpn = hpt_vpn(addr, vsid, ssize);
rpte = __real_pte(__pte(pte), ptep);
diff --git a/arch/powerpc/platforms/Kconfig.cputype b/arch/powerpc/platforms/Kconfig.cputype
index cea2f09c4241..18e3b76c78d7 100644
--- a/arch/powerpc/platforms/Kconfig.cputype
+++ b/arch/powerpc/platforms/Kconfig.cputype
@@ -124,9 +124,8 @@ config 6xx
select PPC_HAVE_PMU_SUPPORT
config POWER3
- bool
depends on PPC64 && PPC_BOOK3S
- default y if !POWER4_ONLY
+ def_bool y
config POWER4
depends on PPC64 && PPC_BOOK3S
@@ -145,8 +144,7 @@ config TUNE_CELL
but somewhat slower on other machines. This option only changes
the scheduling of instructions, not the selection of instructions
itself, so the resulting kernel will keep running on all other
- machines. When building a kernel that is supposed to run only
- on Cell, you should also select the POWER4_ONLY option.
+ machines.
# this is temp to handle compat with arch=ppc
config 8xx
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index 4b505370a1d5..eb8fb629f00b 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -134,7 +134,7 @@ config S390
select HAVE_SYSCALL_WRAPPERS
select HAVE_UID16 if 32BIT
select HAVE_VIRT_CPU_ACCOUNTING
- select HAVE_VIRT_TO_BUS
+ select VIRT_TO_BUS
select INIT_ALL_POSSIBLE
select KTIME_SCALAR if 32BIT
select MODULES_USE_ELF_RELA
diff --git a/arch/s390/include/asm/cpu_mf.h b/arch/s390/include/asm/cpu_mf.h
index f1eddd150dd7..c879fad404c8 100644
--- a/arch/s390/include/asm/cpu_mf.h
+++ b/arch/s390/include/asm/cpu_mf.h
@@ -12,6 +12,7 @@
#ifndef _ASM_S390_CPU_MF_H
#define _ASM_S390_CPU_MF_H
+#include <linux/errno.h>
#include <asm/facility.h>
#define CPU_MF_INT_SF_IAE (1 << 31) /* invalid entry address */
diff --git a/arch/score/Kconfig b/arch/score/Kconfig
index e569aa1fd2ba..c8def8bc9020 100644
--- a/arch/score/Kconfig
+++ b/arch/score/Kconfig
@@ -12,7 +12,7 @@ config SCORE
select GENERIC_CPU_DEVICES
select GENERIC_CLOCKEVENTS
select HAVE_MOD_ARCH_SPECIFIC
- select HAVE_VIRT_TO_BUS
+ select VIRT_TO_BUS
select MODULES_USE_ELF_REL
select CLONE_BACKWARDS
diff --git a/arch/tile/Kconfig b/arch/tile/Kconfig
index ff496ab1e794..25877aebc685 100644
--- a/arch/tile/Kconfig
+++ b/arch/tile/Kconfig
@@ -17,7 +17,7 @@ config TILE
select GENERIC_IRQ_SHOW
select HAVE_DEBUG_BUGVERBOSE
select HAVE_SYSCALL_WRAPPERS if TILEGX
- select HAVE_VIRT_TO_BUS
+ select VIRT_TO_BUS
select SYS_HYPERVISOR
select ARCH_HAVE_NMI_SAFE_CMPXCHG
select GENERIC_CLOCKEVENTS
diff --git a/arch/um/drivers/chan.h b/arch/um/drivers/chan.h
index 78f1b8999964..c512b0306dd4 100644
--- a/arch/um/drivers/chan.h
+++ b/arch/um/drivers/chan.h
@@ -37,7 +37,7 @@ extern int console_write_chan(struct chan *chan, const char *buf,
extern int console_open_chan(struct line *line, struct console *co);
extern void deactivate_chan(struct chan *chan, int irq);
extern void reactivate_chan(struct chan *chan, int irq);
-extern void chan_enable_winch(struct chan *chan, struct tty_struct *tty);
+extern void chan_enable_winch(struct chan *chan, struct tty_port *port);
extern int enable_chan(struct line *line);
extern void close_chan(struct line *line);
extern int chan_window_size(struct line *line,
diff --git a/arch/um/drivers/chan_kern.c b/arch/um/drivers/chan_kern.c
index 15c553c239a1..80b47cb71e0a 100644
--- a/arch/um/drivers/chan_kern.c
+++ b/arch/um/drivers/chan_kern.c
@@ -122,10 +122,10 @@ static int open_chan(struct list_head *chans)
return err;
}
-void chan_enable_winch(struct chan *chan, struct tty_struct *tty)
+void chan_enable_winch(struct chan *chan, struct tty_port *port)
{
if (chan && chan->primary && chan->ops->winch)
- register_winch(chan->fd, tty);
+ register_winch(chan->fd, port);
}
static void line_timer_cb(struct work_struct *work)
diff --git a/arch/um/drivers/chan_user.c b/arch/um/drivers/chan_user.c
index 9be670ad23b5..3fd7c3efdb18 100644
--- a/arch/um/drivers/chan_user.c
+++ b/arch/um/drivers/chan_user.c
@@ -216,7 +216,7 @@ static int winch_thread(void *arg)
}
}
-static int winch_tramp(int fd, struct tty_struct *tty, int *fd_out,
+static int winch_tramp(int fd, struct tty_port *port, int *fd_out,
unsigned long *stack_out)
{
struct winch_data data;
@@ -271,7 +271,7 @@ static int winch_tramp(int fd, struct tty_struct *tty, int *fd_out,
return err;
}
-void register_winch(int fd, struct tty_struct *tty)
+void register_winch(int fd, struct tty_port *port)
{
unsigned long stack;
int pid, thread, count, thread_fd = -1;
@@ -281,17 +281,17 @@ void register_winch(int fd, struct tty_struct *tty)
return;
pid = tcgetpgrp(fd);
- if (is_skas_winch(pid, fd, tty)) {
- register_winch_irq(-1, fd, -1, tty, 0);
+ if (is_skas_winch(pid, fd, port)) {
+ register_winch_irq(-1, fd, -1, port, 0);
return;
}
if (pid == -1) {
- thread = winch_tramp(fd, tty, &thread_fd, &stack);
+ thread = winch_tramp(fd, port, &thread_fd, &stack);
if (thread < 0)
return;
- register_winch_irq(thread_fd, fd, thread, tty, stack);
+ register_winch_irq(thread_fd, fd, thread, port, stack);
count = write(thread_fd, &c, sizeof(c));
if (count != sizeof(c))
diff --git a/arch/um/drivers/chan_user.h b/arch/um/drivers/chan_user.h
index dc693298eb8f..03f1b565c5f9 100644
--- a/arch/um/drivers/chan_user.h
+++ b/arch/um/drivers/chan_user.h
@@ -38,10 +38,10 @@ extern int generic_window_size(int fd, void *unused, unsigned short *rows_out,
unsigned short *cols_out);
extern void generic_free(void *data);
-struct tty_struct;
-extern void register_winch(int fd, struct tty_struct *tty);
+struct tty_port;
+extern void register_winch(int fd, struct tty_port *port);
extern void register_winch_irq(int fd, int tty_fd, int pid,
- struct tty_struct *tty, unsigned long stack);
+ struct tty_port *port, unsigned long stack);
#define __channel_help(fn, prefix) \
__uml_help(fn, prefix "[0-9]*=<channel description>\n" \
diff --git a/arch/um/drivers/line.c b/arch/um/drivers/line.c
index f1b38571f94e..be541cf69fd2 100644
--- a/arch/um/drivers/line.c
+++ b/arch/um/drivers/line.c
@@ -305,7 +305,7 @@ static int line_activate(struct tty_port *port, struct tty_struct *tty)
return ret;
if (!line->sigio) {
- chan_enable_winch(line->chan_out, tty);
+ chan_enable_winch(line->chan_out, port);
line->sigio = 1;
}
@@ -315,8 +315,22 @@ static int line_activate(struct tty_port *port, struct tty_struct *tty)
return 0;
}
+static void unregister_winch(struct tty_struct *tty);
+
+static void line_destruct(struct tty_port *port)
+{
+ struct tty_struct *tty = tty_port_tty_get(port);
+ struct line *line = tty->driver_data;
+
+ if (line->sigio) {
+ unregister_winch(tty);
+ line->sigio = 0;
+ }
+}
+
static const struct tty_port_operations line_port_ops = {
.activate = line_activate,
+ .destruct = line_destruct,
};
int line_open(struct tty_struct *tty, struct file *filp)
@@ -340,18 +354,6 @@ int line_install(struct tty_driver *driver, struct tty_struct *tty,
return 0;
}
-static void unregister_winch(struct tty_struct *tty);
-
-void line_cleanup(struct tty_struct *tty)
-{
- struct line *line = tty->driver_data;
-
- if (line->sigio) {
- unregister_winch(tty);
- line->sigio = 0;
- }
-}
-
void line_close(struct tty_struct *tty, struct file * filp)
{
struct line *line = tty->driver_data;
@@ -601,7 +603,7 @@ struct winch {
int fd;
int tty_fd;
int pid;
- struct tty_struct *tty;
+ struct tty_port *port;
unsigned long stack;
struct work_struct work;
};
@@ -655,7 +657,7 @@ static irqreturn_t winch_interrupt(int irq, void *data)
goto out;
}
}
- tty = winch->tty;
+ tty = tty_port_tty_get(winch->port);
if (tty != NULL) {
line = tty->driver_data;
if (line != NULL) {
@@ -663,6 +665,7 @@ static irqreturn_t winch_interrupt(int irq, void *data)
&tty->winsize.ws_col);
kill_pgrp(tty->pgrp, SIGWINCH, 1);
}
+ tty_kref_put(tty);
}
out:
if (winch->fd != -1)
@@ -670,7 +673,7 @@ static irqreturn_t winch_interrupt(int irq, void *data)
return IRQ_HANDLED;
}
-void register_winch_irq(int fd, int tty_fd, int pid, struct tty_struct *tty,
+void register_winch_irq(int fd, int tty_fd, int pid, struct tty_port *port,
unsigned long stack)
{
struct winch *winch;
@@ -685,7 +688,7 @@ void register_winch_irq(int fd, int tty_fd, int pid, struct tty_struct *tty,
.fd = fd,
.tty_fd = tty_fd,
.pid = pid,
- .tty = tty,
+ .port = port,
.stack = stack });
if (um_request_irq(WINCH_IRQ, fd, IRQ_READ, winch_interrupt,
@@ -714,15 +717,18 @@ static void unregister_winch(struct tty_struct *tty)
{
struct list_head *ele, *next;
struct winch *winch;
+ struct tty_struct *wtty;
spin_lock(&winch_handler_lock);
list_for_each_safe(ele, next, &winch_handlers) {
winch = list_entry(ele, struct winch, list);
- if (winch->tty == tty) {
+ wtty = tty_port_tty_get(winch->port);
+ if (wtty == tty) {
free_winch(winch);
break;
}
+ tty_kref_put(wtty);
}
spin_unlock(&winch_handler_lock);
}
diff --git a/arch/um/drivers/net_kern.c b/arch/um/drivers/net_kern.c
index d8926c303629..39f186252e02 100644
--- a/arch/um/drivers/net_kern.c
+++ b/arch/um/drivers/net_kern.c
@@ -218,6 +218,7 @@ static int uml_net_start_xmit(struct sk_buff *skb, struct net_device *dev)
spin_lock_irqsave(&lp->lock, flags);
len = (*lp->write)(lp->fd, skb, lp);
+ skb_tx_timestamp(skb);
if (len == skb->len) {
dev->stats.tx_packets++;
@@ -281,6 +282,7 @@ static void uml_net_get_drvinfo(struct net_device *dev,
static const struct ethtool_ops uml_net_ethtool_ops = {
.get_drvinfo = uml_net_get_drvinfo,
.get_link = ethtool_op_get_link,
+ .get_ts_info = ethtool_op_get_ts_info,
};
static void uml_net_user_timer_expire(unsigned long _conn)
diff --git a/arch/um/drivers/ssl.c b/arch/um/drivers/ssl.c
index 16fdd0a0f9d6..b8d14fa52059 100644
--- a/arch/um/drivers/ssl.c
+++ b/arch/um/drivers/ssl.c
@@ -105,7 +105,6 @@ static const struct tty_operations ssl_ops = {
.throttle = line_throttle,
.unthrottle = line_unthrottle,
.install = ssl_install,
- .cleanup = line_cleanup,
.hangup = line_hangup,
};
diff --git a/arch/um/drivers/stdio_console.c b/arch/um/drivers/stdio_console.c
index 827777af3f6d..7b361f36ca96 100644
--- a/arch/um/drivers/stdio_console.c
+++ b/arch/um/drivers/stdio_console.c
@@ -110,7 +110,6 @@ static const struct tty_operations console_ops = {
.set_termios = line_set_termios,
.throttle = line_throttle,
.unthrottle = line_unthrottle,
- .cleanup = line_cleanup,
.hangup = line_hangup,
};
diff --git a/arch/um/os-Linux/signal.c b/arch/um/os-Linux/signal.c
index b1469fe93295..9d9f1b4bf826 100644
--- a/arch/um/os-Linux/signal.c
+++ b/arch/um/os-Linux/signal.c
@@ -15,7 +15,7 @@
#include <sysdep/mcontext.h>
#include "internal.h"
-void (*sig_info[NSIG])(int, siginfo_t *, struct uml_pt_regs *) = {
+void (*sig_info[NSIG])(int, struct siginfo *, struct uml_pt_regs *) = {
[SIGTRAP] = relay_signal,
[SIGFPE] = relay_signal,
[SIGILL] = relay_signal,
diff --git a/arch/um/os-Linux/start_up.c b/arch/um/os-Linux/start_up.c
index da4b9e9999fd..337518c5042a 100644
--- a/arch/um/os-Linux/start_up.c
+++ b/arch/um/os-Linux/start_up.c
@@ -15,6 +15,8 @@
#include <sys/mman.h>
#include <sys/stat.h>
#include <sys/wait.h>
+#include <sys/time.h>
+#include <sys/resource.h>
#include <asm/unistd.h>
#include <init.h>
#include <os.h>
diff --git a/arch/unicore32/Kconfig b/arch/unicore32/Kconfig
index dc50b157fc83..2943e3acdf0c 100644
--- a/arch/unicore32/Kconfig
+++ b/arch/unicore32/Kconfig
@@ -9,7 +9,7 @@ config UNICORE32
select GENERIC_ATOMIC64
select HAVE_KERNEL_LZO
select HAVE_KERNEL_LZMA
- select HAVE_VIRT_TO_BUS
+ select VIRT_TO_BUS
select ARCH_HAVE_CUSTOM_GPIO_H
select GENERIC_FIND_FIRST_BIT
select GENERIC_IRQ_PROBE
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index a4f24f5b1218..70c0f3da0476 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -112,7 +112,7 @@ config X86
select GENERIC_STRNLEN_USER
select HAVE_CONTEXT_TRACKING if X86_64
select HAVE_IRQ_TIME_ACCOUNTING
- select HAVE_VIRT_TO_BUS
+ select VIRT_TO_BUS
select MODULES_USE_ELF_REL if X86_32
select MODULES_USE_ELF_RELA if X86_64
select CLONE_BACKWARDS if X86_32
diff --git a/arch/x86/kernel/cpu/perf_event_intel_ds.c b/arch/x86/kernel/cpu/perf_event_intel_ds.c
index 826054a4f2ee..b05a575d56f4 100644
--- a/arch/x86/kernel/cpu/perf_event_intel_ds.c
+++ b/arch/x86/kernel/cpu/perf_event_intel_ds.c
@@ -729,3 +729,13 @@ void intel_ds_init(void)
}
}
}
+
+void perf_restore_debug_store(void)
+{
+ struct debug_store *ds = __this_cpu_read(cpu_hw_events.ds);
+
+ if (!x86_pmu.bts && !x86_pmu.pebs)
+ return;
+
+ wrmsrl(MSR_IA32_DS_AREA, (unsigned long)ds);
+}
diff --git a/arch/x86/power/cpu.c b/arch/x86/power/cpu.c
index 120cee1c3f8d..3c68768d7a75 100644
--- a/arch/x86/power/cpu.c
+++ b/arch/x86/power/cpu.c
@@ -11,6 +11,7 @@
#include <linux/suspend.h>
#include <linux/export.h>
#include <linux/smp.h>
+#include <linux/perf_event.h>
#include <asm/pgtable.h>
#include <asm/proto.h>
@@ -228,6 +229,7 @@ static void __restore_processor_state(struct saved_context *ctxt)
do_fpu_end();
x86_platform.restore_sched_clock_state();
mtrr_bp_restore();
+ perf_restore_debug_store();
}
/* Needed by apm.c */
diff --git a/arch/xtensa/Kconfig b/arch/xtensa/Kconfig
index 35876ffac11d..b09de49dbec5 100644
--- a/arch/xtensa/Kconfig
+++ b/arch/xtensa/Kconfig
@@ -9,7 +9,7 @@ config XTENSA
select HAVE_IDE
select GENERIC_ATOMIC64
select HAVE_GENERIC_HARDIRQS
- select HAVE_VIRT_TO_BUS
+ select VIRT_TO_BUS
select GENERIC_IRQ_SHOW
select GENERIC_CPU_DEVICES
select MODULES_USE_ELF_RELA