diff options
Diffstat (limited to 'arch/arm/include/asm/mutex.h')
| -rw-r--r-- | arch/arm/include/asm/mutex.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/arm/include/asm/mutex.h b/arch/arm/include/asm/mutex.h index 93226cf23ae0..5c3ede822a6e 100644 --- a/arch/arm/include/asm/mutex.h +++ b/arch/arm/include/asm/mutex.h @@ -111,8 +111,11 @@ __mutex_fastpath_trylock(atomic_t *count, int (*fail_fn)(atomic_t *)) "1: ldrex %0, [%3] \n\t" "subs %1, %0, #1 \n\t" + "it eq\n\t" "strexeq %2, %1, [%3] \n\t" + "it lt\n\t" "movlt %0, #0 \n\t" + "it eq\n\t" "cmpeq %2, #0 \n\t" "bgt 1b " |