diff options
Diffstat (limited to 'arch/tile/include/asm/cmpxchg.h')
| -rw-r--r-- | arch/tile/include/asm/cmpxchg.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/tile/include/asm/cmpxchg.h b/arch/tile/include/asm/cmpxchg.h index 276f067e3640..1da5bfbd8c61 100644 --- a/arch/tile/include/asm/cmpxchg.h +++ b/arch/tile/include/asm/cmpxchg.h @@ -68,6 +68,12 @@ extern unsigned long __cmpxchg_called_with_bad_pointer(void); #define tas(ptr) (xchg((ptr), 1)) +#define cmpxchg64(ptr, o, n) \ +({ \ + BUILD_BUG_ON(sizeof(*(ptr)) != 8); \ + cmpxchg((ptr), (o), (n)); \ +}) + #endif /* __ASSEMBLY__ */ #endif /* _ASM_TILE_CMPXCHG_H */ |