diff options
| author | Dan Williams <dan.j.williams@intel.com> | 2009-09-08 17:55:54 -0700 |
|---|---|---|
| committer | Dan Williams <dan.j.williams@intel.com> | 2009-09-08 17:55:54 -0700 |
| commit | 9134d02bc0af4a8747d448d1f811ec5f8eb96df6 (patch) | |
| tree | 704c3e5dcc10f360815c4868a74711f82fb62e27 /include/linux/spinlock.h | |
| parent | bbb20089a3275a19e475dbc21320c3742e3ca423 (diff) | |
| parent | 80ffb3cceaefa405f2ecd46d66500ed8d53efe74 (diff) | |
Merge commit 'md/for-linus' into async-tx-next
Conflicts:
drivers/md/raid5.c
Diffstat (limited to 'include/linux/spinlock.h')
| -rw-r--r-- | include/linux/spinlock.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/spinlock.h b/include/linux/spinlock.h index 252b245cfcf..4be57ab0347 100644 --- a/include/linux/spinlock.h +++ b/include/linux/spinlock.h @@ -132,6 +132,11 @@ do { \ #endif /*__raw_spin_is_contended*/ #endif +/* The lock does not imply full memory barrier. */ +#ifndef ARCH_HAS_SMP_MB_AFTER_LOCK +static inline void smp_mb__after_lock(void) { smp_mb(); } +#endif + /** * spin_unlock_wait - wait until the spinlock gets unlocked * @lock: the spinlock in question. |