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Diffstat (limited to 'include/asm-x86/local.h')
-rw-r--r--include/asm-x86/local.h105
1 files changed, 50 insertions, 55 deletions
diff --git a/include/asm-x86/local.h b/include/asm-x86/local.h
index f852c62..330a724 100644
--- a/include/asm-x86/local.h
+++ b/include/asm-x86/local.h
@@ -18,32 +18,28 @@ typedef struct {
static inline void local_inc(local_t *l)
{
- __asm__ __volatile__(
- _ASM_INC "%0"
- :"+m" (l->a.counter));
+ asm volatile(_ASM_INC "%0"
+ : "+m" (l->a.counter));
}
static inline void local_dec(local_t *l)
{
- __asm__ __volatile__(
- _ASM_DEC "%0"
- :"+m" (l->a.counter));
+ asm volatile(_ASM_DEC "%0"
+ : "+m" (l->a.counter));
}
static inline void local_add(long i, local_t *l)
{
- __asm__ __volatile__(
- _ASM_ADD "%1,%0"
- :"+m" (l->a.counter)
- :"ir" (i));
+ asm volatile(_ASM_ADD "%1,%0"
+ : "+m" (l->a.counter)
+ : "ir" (i));
}
static inline void local_sub(long i, local_t *l)
{
- __asm__ __volatile__(
- _ASM_SUB "%1,%0"
- :"+m" (l->a.counter)
- :"ir" (i));
+ asm volatile(_ASM_SUB "%1,%0"
+ : "+m" (l->a.counter)
+ : "ir" (i));
}
/**
@@ -59,10 +55,9 @@ static inline int local_sub_and_test(long i, local_t *l)
{
unsigned char c;
- __asm__ __volatile__(
- _ASM_SUB "%2,%0; sete %1"
- :"+m" (l->a.counter), "=qm" (c)
- :"ir" (i) : "memory");
+ asm volatile(_ASM_SUB "%2,%0; sete %1"
+ : "+m" (l->a.counter), "=qm" (c)
+ : "ir" (i) : "memory");
return c;
}
@@ -78,10 +73,9 @@ static inline int local_dec_and_test(local_t *l)
{
unsigned char c;
- __asm__ __volatile__(
- _ASM_DEC "%0; sete %1"
- :"+m" (l->a.counter), "=qm" (c)
- : : "memory");
+ asm volatile(_ASM_DEC "%0; sete %1"
+ : "+m" (l->a.counter), "=qm" (c)
+ : : "memory");
return c != 0;
}
@@ -97,10 +91,9 @@ static inline int local_inc_and_test(local_t *l)
{
unsigned char c;
- __asm__ __volatile__(
- _ASM_INC "%0; sete %1"
- :"+m" (l->a.counter), "=qm" (c)
- : : "memory");
+ asm volatile(_ASM_INC "%0; sete %1"
+ : "+m" (l->a.counter), "=qm" (c)
+ : : "memory");
return c != 0;
}
@@ -117,10 +110,9 @@ static inline int local_add_negative(long i, local_t *l)
{
unsigned char c;
- __asm__ __volatile__(
- _ASM_ADD "%2,%0; sets %1"
- :"+m" (l->a.counter), "=qm" (c)
- :"ir" (i) : "memory");
+ asm volatile(_ASM_ADD "%2,%0; sets %1"
+ : "+m" (l->a.counter), "=qm" (c)
+ : "ir" (i) : "memory");
return c;
}
@@ -141,10 +133,9 @@ static inline long local_add_return(long i, local_t *l)
#endif
/* Modern 486+ processor */
__i = i;
- __asm__ __volatile__(
- _ASM_XADD "%0, %1;"
- :"+r" (i), "+m" (l->a.counter)
- : : "memory");
+ asm volatile(_ASM_XADD "%0, %1;"
+ : "+r" (i), "+m" (l->a.counter)
+ : : "memory");
return i + __i;
#ifdef CONFIG_M386
@@ -182,11 +173,11 @@ static inline long local_sub_return(long i, local_t *l)
#define local_add_unless(l, a, u) \
({ \
long c, old; \
- c = local_read(l); \
+ c = local_read((l)); \
for (;;) { \
if (unlikely(c == (u))) \
break; \
- old = local_cmpxchg((l), c, c + (a)); \
+ old = local_cmpxchg((l), c, c + (a)); \
if (likely(old == c)) \
break; \
c = old; \
@@ -214,26 +205,30 @@ static inline long local_sub_return(long i, local_t *l)
/* Need to disable preemption for the cpu local counters otherwise we could
still access a variable of a previous CPU in a non atomic way. */
-#define cpu_local_wrap_v(l) \
- ({ local_t res__; \
- preempt_disable(); \
- res__ = (l); \
- preempt_enable(); \
- res__; })
+#define cpu_local_wrap_v(l) \
+({ \
+ local_t res__; \
+ preempt_disable(); \
+ res__ = (l); \
+ preempt_enable(); \
+ res__; \
+})
#define cpu_local_wrap(l) \
- ({ preempt_disable(); \
- l; \
- preempt_enable(); }) \
-
-#define cpu_local_read(l) cpu_local_wrap_v(local_read(&__get_cpu_var(l)))
-#define cpu_local_set(l, i) cpu_local_wrap(local_set(&__get_cpu_var(l), (i)))
-#define cpu_local_inc(l) cpu_local_wrap(local_inc(&__get_cpu_var(l)))
-#define cpu_local_dec(l) cpu_local_wrap(local_dec(&__get_cpu_var(l)))
-#define cpu_local_add(i, l) cpu_local_wrap(local_add((i), &__get_cpu_var(l)))
-#define cpu_local_sub(i, l) cpu_local_wrap(local_sub((i), &__get_cpu_var(l)))
-
-#define __cpu_local_inc(l) cpu_local_inc(l)
-#define __cpu_local_dec(l) cpu_local_dec(l)
+({ \
+ preempt_disable(); \
+ (l); \
+ preempt_enable(); \
+}) \
+
+#define cpu_local_read(l) cpu_local_wrap_v(local_read(&__get_cpu_var((l))))
+#define cpu_local_set(l, i) cpu_local_wrap(local_set(&__get_cpu_var((l)), (i)))
+#define cpu_local_inc(l) cpu_local_wrap(local_inc(&__get_cpu_var((l))))
+#define cpu_local_dec(l) cpu_local_wrap(local_dec(&__get_cpu_var((l))))
+#define cpu_local_add(i, l) cpu_local_wrap(local_add((i), &__get_cpu_var((l))))
+#define cpu_local_sub(i, l) cpu_local_wrap(local_sub((i), &__get_cpu_var((l))))
+
+#define __cpu_local_inc(l) cpu_local_inc((l))
+#define __cpu_local_dec(l) cpu_local_dec((l))
#define __cpu_local_add(i, l) cpu_local_add((i), (l))
#define __cpu_local_sub(i, l) cpu_local_sub((i), (l))
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