diff options
| -rw-r--r-- | include/asm-alpha/bitops.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/asm-alpha/bitops.h b/include/asm-alpha/bitops.h index ca667d12189..f1bbe6cf0e8 100644 --- a/include/asm-alpha/bitops.h +++ b/include/asm-alpha/bitops.h @@ -117,6 +117,9 @@ test_and_set_bit(unsigned long nr, volatile void *addr) int *m = ((int *) addr) + (nr >> 5); __asm__ __volatile__( +#ifdef CONFIG_SMP + " mb\n" +#endif "1: ldl_l %0,%4\n" " and %0,%3,%2\n" " bne %2,2f\n" @@ -158,6 +161,9 @@ test_and_clear_bit(unsigned long nr, volatile void * addr) int *m = ((int *) addr) + (nr >> 5); __asm__ __volatile__( +#ifdef CONFIG_SMP + " mb\n" +#endif "1: ldl_l %0,%4\n" " and %0,%3,%2\n" " beq %2,2f\n" @@ -199,6 +205,9 @@ test_and_change_bit(unsigned long nr, volatile void * addr) int *m = ((int *) addr) + (nr >> 5); __asm__ __volatile__( +#ifdef CONFIG_SMP + " mb\n" +#endif "1: ldl_l %0,%4\n" " and %0,%3,%2\n" " xor %0,%3,%0\n" |