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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2019-01-27 11:52:50 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2019-01-27 11:52:50 -0800 |
| commit | 9881051828375a872964f91bf985b8a35e4fbaef (patch) | |
| tree | a7e8a0503ecdb19bdcd5cf2bf5696143f2c4900b /kernel/exit.c | |
| parent | 0d484375d73ad2ec39a395365449a70c200645b1 (diff) | |
| parent | e158488be27b157802753a59b336142dc0eb0380 (diff) | |
| download | linux-9881051828375a872964f91bf985b8a35e4fbaef.tar.gz linux-9881051828375a872964f91bf985b8a35e4fbaef.zip | |
Merge branch 'locking-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull locking fixes from Thomas Gleixner:
"A small series of fixes which all address possible missed wakeups:
- Document and fix the wakeup ordering of wake_q
- Add the missing barrier in rcuwait_wake_up(), which was documented
in the comment but missing in the code
- Fix the possible missed wakeups in the rwsem and futex code"
* 'locking-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
locking/rwsem: Fix (possible) missed wakeup
futex: Fix (possible) missed wakeup
sched/wake_q: Fix wakeup ordering for wake_q
sched/wake_q: Document wake_q_add()
sched/wait: Fix rcuwait_wake_up() ordering
Diffstat (limited to 'kernel/exit.c')
| -rw-r--r-- | kernel/exit.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/exit.c b/kernel/exit.c index 284f2fe9a293..3fb7be001964 100644 --- a/kernel/exit.c +++ b/kernel/exit.c @@ -307,7 +307,7 @@ void rcuwait_wake_up(struct rcuwait *w) * MB (A) MB (B) * [L] cond [L] tsk */ - smp_rmb(); /* (B) */ + smp_mb(); /* (B) */ /* * Avoid using task_rcu_dereference() magic as long as we are careful, |