diff options
Diffstat (limited to 'arch/tile/include/asm/atomic_64.h')
| -rw-r--r-- | arch/tile/include/asm/atomic_64.h | 17 |
1 files changed, 2 insertions, 15 deletions
diff --git a/arch/tile/include/asm/atomic_64.h b/arch/tile/include/asm/atomic_64.h index 3217052..1c1e60d 100644 --- a/arch/tile/include/asm/atomic_64.h +++ b/arch/tile/include/asm/atomic_64.h @@ -148,21 +148,8 @@ static inline long atomic64_add_unless(atomic64_t *v, long a, long u) #define smp_mb__before_atomic_inc() smp_mb() #define smp_mb__after_atomic_inc() smp_mb() -#define xchg(ptr, x) \ - ((typeof(*(ptr))) \ - ((sizeof(*(ptr)) == sizeof(atomic_t)) ? \ - atomic_xchg((atomic_t *)(ptr), (long)(x)) : \ - (sizeof(*(ptr)) == sizeof(atomic_long_t)) ? \ - atomic_long_xchg((atomic_long_t *)(ptr), (long)(x)) : \ - __xchg_called_with_bad_pointer())) - -#define cmpxchg(ptr, o, n) \ - ((typeof(*(ptr))) \ - ((sizeof(*(ptr)) == sizeof(atomic_t)) ? \ - atomic_cmpxchg((atomic_t *)(ptr), (long)(o), (long)(n)) : \ - (sizeof(*(ptr)) == sizeof(atomic_long_t)) ? \ - atomic_long_cmpxchg((atomic_long_t *)(ptr), (long)(o), (long)(n)) : \ - __cmpxchg_called_with_bad_pointer())) +/* Define this to indicate that cmpxchg is an efficient operation. */ +#define __HAVE_ARCH_CMPXCHG #endif /* !__ASSEMBLY__ */ |