xiaomi-sm8450/android_kernel_xiaomi_sm8450
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Merge branch 'devel-stable' into for-next

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Conflicts:
	arch/arm/include/asm/atomic.h
	arch/arm/include/asm/hardirq.h
	arch/arm/kernel/smp.c
This commit is contained in:
Russell King
2013-11-12 10:58:59 +00:00
parent ec1e20a02f 70d4212687
commit df762eccba
80 changed files with 7571 additions and 245 deletions
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32
arch/arm/include/asm/atomic.h
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@@ -12,6 +12,7 @@
#define __ASM_ARM_ATOMIC_H
#include <linux/compiler.h>
#include <linux/prefetch.h>
#include <linux/types.h>
#include <linux/irqflags.h>
#include <asm/barrier.h>
@@ -41,6 +42,7 @@ static inline void atomic_add(int i, atomic_t *v)
unsigned long tmp;
int result;
prefetchw(&v->counter);
__asm__ __volatile__("@ atomic_add\n"
"1: ldrex %0, [%3]\n"
" add %0, %0, %4\n"
@@ -79,6 +81,7 @@ static inline void atomic_sub(int i, atomic_t *v)
unsigned long tmp;
int result;
prefetchw(&v->counter);
__asm__ __volatile__("@ atomic_sub\n"
"1: ldrex %0, [%3]\n"
" sub %0, %0, %4\n"
@@ -260,6 +263,7 @@ static inline void atomic64_set(atomic64_t *v, long long i)
{
long long tmp;
prefetchw(&v->counter);
__asm__ __volatile__("@ atomic64_set\n"
"1: ldrexd %0, %H0, [%2]\n"
" strexd %0, %3, %H3, [%2]\n"
@@ -276,10 +280,11 @@ static inline void atomic64_add(long long i, atomic64_t *v)
long long result;
unsigned long tmp;
prefetchw(&v->counter);
__asm__ __volatile__("@ atomic64_add\n"
"1: ldrexd %0, %H0, [%3]\n"
" adds %0, %0, %4\n"
" adc %H0, %H0, %H4\n"
" adds %Q0, %Q0, %Q4\n"
" adc %R0, %R0, %R4\n"
" strexd %1, %0, %H0, [%3]\n"
" teq %1, #0\n"
" bne 1b"
@@ -297,8 +302,8 @@ static inline long long atomic64_add_return(long long i, atomic64_t *v)
__asm__ __volatile__("@ atomic64_add_return\n"
"1: ldrexd %0, %H0, [%3]\n"
" adds %0, %0, %4\n"
" adc %H0, %H0, %H4\n"
" adds %Q0, %Q0, %Q4\n"
" adc %R0, %R0, %R4\n"
" strexd %1, %0, %H0, [%3]\n"
" teq %1, #0\n"
" bne 1b"
@@ -316,10 +321,11 @@ static inline void atomic64_sub(long long i, atomic64_t *v)
long long result;
unsigned long tmp;
prefetchw(&v->counter);
__asm__ __volatile__("@ atomic64_sub\n"
"1: ldrexd %0, %H0, [%3]\n"
" subs %0, %0, %4\n"
" sbc %H0, %H0, %H4\n"
" subs %Q0, %Q0, %Q4\n"
" sbc %R0, %R0, %R4\n"
" strexd %1, %0, %H0, [%3]\n"
" teq %1, #0\n"
" bne 1b"
@@ -337,8 +343,8 @@ static inline long long atomic64_sub_return(long long i, atomic64_t *v)
__asm__ __volatile__("@ atomic64_sub_return\n"
"1: ldrexd %0, %H0, [%3]\n"
" subs %0, %0, %4\n"
" sbc %H0, %H0, %H4\n"
" subs %Q0, %Q0, %Q4\n"
" sbc %R0, %R0, %R4\n"
" strexd %1, %0, %H0, [%3]\n"
" teq %1, #0\n"
" bne 1b"
@@ -406,9 +412,9 @@ static inline long long atomic64_dec_if_positive(atomic64_t *v)
__asm__ __volatile__("@ atomic64_dec_if_positive\n"
"1: ldrexd %0, %H0, [%3]\n"
" subs %0, %0, #1\n"
" sbc %H0, %H0, #0\n"
" teq %H0, #0\n"
" subs %Q0, %Q0, #1\n"
" sbc %R0, %R0, #0\n"
" teq %R0, #0\n"
" bmi 2f\n"
" strexd %1, %0, %H0, [%3]\n"
" teq %1, #0\n"
@@ -437,8 +443,8 @@ static inline int atomic64_add_unless(atomic64_t *v, long long a, long long u)
" teqeq %H0, %H5\n"
" moveq %1, #0\n"
" beq 2f\n"
" adds %0, %0, %6\n"
" adc %H0, %H0, %H6\n"
" adds %Q0, %Q0, %Q6\n"
" adc %R0, %R0, %R6\n"
" strexd %2, %0, %H0, [%4]\n"
" teq %2, #0\n"
" bne 1b\n"