diff options
| author |   Davidlohr Bueso <dave@stgolabs.net> | 2019-01-03 15:28:44 -0800 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2019-01-04 13:13:48 -0800 |
| commit | 3bb5f4ac55dd91d516e7e36b45c94bd57efbb068 (patch) | |
| tree | 10bdfc4075f94f2aae2cd48e81b4fc4dcede7556 /kernel | |
| parent | mm: select HAVE_MOVE_PMD on x86 for faster mremap (diff) | |
| download | linux-dev-3bb5f4ac55dd91d516e7e36b45c94bd57efbb068.tar.xz linux-dev-3bb5f4ac55dd91d516e7e36b45c94bd57efbb068.zip | |
kernel/locking/mutex.c: remove caller signal_pending branch predictions
This is already done for us internally by the signal machinery.
Link: http://lkml.kernel.org/r/20181116002713.8474-2-dave@stgolabs.net
Signed-off-by: Davidlohr Bueso <dave@stgolabs.net>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/locking/mutex.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/locking/mutex.c b/kernel/locking/mutex.c index 3f8a35104285..db578783dd36 100644 --- a/kernel/locking/mutex.c +++ b/kernel/locking/mutex.c @@ -987,7 +987,7 @@ __mutex_lock_common(struct mutex *lock, long state, unsigned int subclass, * wait_lock. This ensures the lock cancellation is ordered * against mutex_unlock() and wake-ups do not go missing. */ - if (unlikely(signal_pending_state(state, current))) { + if (signal_pending_state(state, current)) { ret = -EINTR; goto err; } |