diff options
Diffstat (limited to 'include/asm-alpha/atomic.h')
-rw-r--r-- | include/asm-alpha/atomic.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/asm-alpha/atomic.h b/include/asm-alpha/atomic.h index 20ac3d95ecd9..a6660809a879 100644 --- a/include/asm-alpha/atomic.h +++ b/include/asm-alpha/atomic.h @@ -177,6 +177,8 @@ static __inline__ long atomic64_sub_return(long i, atomic64_t * v) return result; } +#define atomic_cmpxchg(v, o, n) ((int)cmpxchg(&((v)->counter), (o), (n))) + #define atomic_dec_return(v) atomic_sub_return(1,(v)) #define atomic64_dec_return(v) atomic64_sub_return(1,(v)) |