Messages in this thread Patch in this message | | | From | Davidlohr Bueso <> | Subject | [PATCH 1/6] locking/mutex: Remove caller signal_pending branch predictions | Date | Thu, 15 Nov 2018 16:27:08 -0800 |
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This is already done for us internally by the signal machinery.
Cc: peterz@infradead.org Cc: mingo@kernel.org Signed-off-by: Davidlohr Bueso <dave@stgolabs.net> --- kernel/locking/mutex.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
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; } -- 2.16.4
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