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| author | Ingo Molnar <mingo@elte.hu> | 2011-08-04 11:09:27 +0400 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2011-08-04 11:09:27 +0400 |
| commit | d7619fe39d9769b4d4545cc511c891deea18ae08 (patch) | |
| tree | 0a902533414001075b2245825e145cc2e35ce985 /arch/m32r/include/asm/atomic.h | |
| parent | 9ea71503a8ed9184d2d0b8ccc4d269d05f7940ae (diff) | |
| parent | ed8f37370d83e695c0a4fa5d5fc7a83ecb947526 (diff) | |
| download | linux-d7619fe39d9769b4d4545cc511c891deea18ae08.tar.xz | |
Merge branch 'linus' into core/urgent
Diffstat (limited to 'arch/m32r/include/asm/atomic.h')
| -rw-r--r-- | arch/m32r/include/asm/atomic.h | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/arch/m32r/include/asm/atomic.h b/arch/m32r/include/asm/atomic.h index d44a51e5271b..1e7f29fb21f2 100644 --- a/arch/m32r/include/asm/atomic.h +++ b/arch/m32r/include/asm/atomic.h @@ -239,15 +239,15 @@ static __inline__ int atomic_dec_return(atomic_t *v) #define atomic_xchg(v, new) (xchg(&((v)->counter), new)) /** - * atomic_add_unless - add unless the number is a given value + * __atomic_add_unless - add unless the number is a given value * @v: pointer of type atomic_t * @a: the amount to add to v... * @u: ...unless v is equal to u. * * Atomically adds @a to @v, so long as it was not @u. - * Returns non-zero if @v was not @u, and zero otherwise. + * Returns the old value of @v. */ -static __inline__ int atomic_add_unless(atomic_t *v, int a, int u) +static __inline__ int __atomic_add_unless(atomic_t *v, int a, int u) { int c, old; c = atomic_read(v); @@ -259,10 +259,9 @@ static __inline__ int atomic_add_unless(atomic_t *v, int a, int u) break; c = old; } - return c != (u); + return c; } -#define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0) static __inline__ void atomic_clear_mask(unsigned long mask, atomic_t *addr) { @@ -314,5 +313,4 @@ static __inline__ void atomic_set_mask(unsigned long mask, atomic_t *addr) #define smp_mb__before_atomic_inc() barrier() #define smp_mb__after_atomic_inc() barrier() -#include <asm-generic/atomic-long.h> #endif /* _ASM_M32R_ATOMIC_H */ |