diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/s390/lib/spinlock.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/s390/lib/spinlock.c b/arch/s390/lib/spinlock.c index d6c9991f7797..427aa44b3505 100644 --- a/arch/s390/lib/spinlock.c +++ b/arch/s390/lib/spinlock.c @@ -197,7 +197,7 @@ void _raw_write_lock_wait(arch_rwlock_t *rw, unsigned int prev) } old = ACCESS_ONCE(rw->lock); owner = ACCESS_ONCE(rw->owner); - smp_rmb(); + smp_mb(); if ((int) old >= 0) { prev = __RAW_LOCK(&rw->lock, 0x80000000, __RAW_OP_OR); old = prev; @@ -231,7 +231,7 @@ void _raw_write_lock_wait(arch_rwlock_t *rw) _raw_compare_and_swap(&rw->lock, old, old | 0x80000000)) prev = old; else - smp_rmb(); + smp_mb(); if ((old & 0x7fffffff) == 0 && (int) prev >= 0) break; if (MACHINE_HAS_CAD) |