diff options
Diffstat (limited to 'arch/loongarch/include/asm/cmpxchg.h')
| -rw-r--r-- | arch/loongarch/include/asm/cmpxchg.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/loongarch/include/asm/cmpxchg.h b/arch/loongarch/include/asm/cmpxchg.h index 48613b872bc8..75b3a4478652 100644 --- a/arch/loongarch/include/asm/cmpxchg.h +++ b/arch/loongarch/include/asm/cmpxchg.h @@ -59,6 +59,7 @@ static inline unsigned long __xchg(volatile void *ptr, unsigned long x, " " st " $t0, %1 \n" \ " beq $zero, $t0, 1b \n" \ "2: \n" \ + __WEAK_LLSC_MB \ : "=&r" (__ret), "=ZB"(*m) \ : "ZB"(*m), "Jr" (old), "Jr" (new) \ : "t0", "memory"); \ |