diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/include/asm/cmpxchg.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/arch/x86/include/asm/cmpxchg.h b/arch/x86/include/asm/cmpxchg.h index fb961db51a2a..d90296d061e8 100644 --- a/arch/x86/include/asm/cmpxchg.h +++ b/arch/x86/include/asm/cmpxchg.h @@ -212,8 +212,9 @@ extern void __add_wrong_size(void) default: \ __cmpxchg_wrong_size(); \ } \ - *_old = __old; \ - success; \ + if (unlikely(!success)) \ + *_old = __old; \ + likely(success); \ }) #define __try_cmpxchg(ptr, pold, new, size) \ |