diff options
Diffstat (limited to 'arch/arm/kernel/entry-armv.S')
| -rw-r--r-- | arch/arm/kernel/entry-armv.S | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S index d2903e3bc861..6c5cf369183b 100644 --- a/arch/arm/kernel/entry-armv.S +++ b/arch/arm/kernel/entry-armv.S | |||
| @@ -957,9 +957,7 @@ kuser_cmpxchg_fixup: | |||
| 957 | 957 | ||
| 958 | #else | 958 | #else |
| 959 | 959 | ||
| 960 | #ifdef CONFIG_SMP | 960 | smp_dmb |
| 961 | mcr p15, 0, r0, c7, c10, 5 @ dmb | ||
| 962 | #endif | ||
| 963 | 1: ldrex r3, [r2] | 961 | 1: ldrex r3, [r2] |
| 964 | subs r3, r3, r0 | 962 | subs r3, r3, r0 |
| 965 | strexeq r3, r1, [r2] | 963 | strexeq r3, r1, [r2] |