diff options
Diffstat (limited to 'arch/mips/include/asm/cmpxchg.h')
| -rw-r--r-- | arch/mips/include/asm/cmpxchg.h | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/arch/mips/include/asm/cmpxchg.h b/arch/mips/include/asm/cmpxchg.h index 815a438..2d28017 100644 --- a/arch/mips/include/asm/cmpxchg.h +++ b/arch/mips/include/asm/cmpxchg.h @@ -16,7 +16,7 @@ ({ \ __typeof(*(m)) __ret; \ \ - if (kernel_uses_llsc && R10000_LLSC_WAR) { \ + if (kernel_uses_llsc && R10000_LLSC_WAR) { \ __asm__ __volatile__( \ " .set push \n" \ " .set noat \n" \ @@ -72,14 +72,14 @@ */ extern void __cmpxchg_called_with_bad_pointer(void); -#define __cmpxchg(ptr, old, new, barrier) \ +#define __cmpxchg(ptr, old, new, pre_barrier, post_barrier) \ ({ \ __typeof__(ptr) __ptr = (ptr); \ __typeof__(*(ptr)) __old = (old); \ __typeof__(*(ptr)) __new = (new); \ __typeof__(*(ptr)) __res = 0; \ \ - barrier; \ + pre_barrier; \ \ switch (sizeof(*(__ptr))) { \ case 4: \ @@ -96,13 +96,13 @@ extern void __cmpxchg_called_with_bad_pointer(void); break; \ } \ \ - barrier; \ + post_barrier; \ \ __res; \ }) -#define cmpxchg(ptr, old, new) __cmpxchg(ptr, old, new, smp_llsc_mb()) -#define cmpxchg_local(ptr, old, new) __cmpxchg(ptr, old, new, ) +#define cmpxchg(ptr, old, new) __cmpxchg(ptr, old, new, smp_mb__before_llsc(), smp_llsc_mb()) +#define cmpxchg_local(ptr, old, new) __cmpxchg(ptr, old, new, , ) #define cmpxchg64(ptr, o, n) \ ({ \ |
