diff options
| author | Davidlohr Bueso <dave@stgolabs.net> | 2018-12-11 14:01:52 +1100 |
|---|---|---|
| committer | Stephen Rothwell <sfr@canb.auug.org.au> | 2018-12-12 16:59:41 +1100 |
| commit | 80b7375a42f2ddb5ea763f46e66a306779081201 (patch) | |
| tree | 39a29901eb3c1858cae5fa558d52198e4e49f774 | |
| parent | 803a2c53cff9ae86258243250a0ae6edd6676b5c (diff) | |
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: Stephen Rothwell <sfr@canb.auug.org.au>
| -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; } |