diff options
Diffstat (limited to 'arch/mips/include/asm/system.h')
| -rw-r--r-- | arch/mips/include/asm/system.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/mips/include/asm/system.h b/arch/mips/include/asm/system.h index 83b5509e09e..bb937ccfba1 100644 --- a/arch/mips/include/asm/system.h +++ b/arch/mips/include/asm/system.h @@ -95,6 +95,8 @@ static inline unsigned long __xchg_u32(volatile int * m, unsigned int val) { __u32 retval; + smp_mb__before_llsc(); + if (kernel_uses_llsc && R10000_LLSC_WAR) { unsigned long dummy; @@ -147,6 +149,8 @@ static inline __u64 __xchg_u64(volatile __u64 * m, __u64 val) { __u64 retval; + smp_mb__before_llsc(); + if (kernel_uses_llsc && R10000_LLSC_WAR) { unsigned long dummy; |