xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

kernel/sched/: remove caller signal_pending branch predictions

Browse Source 
This is already done for us internally by the signal machinery.

Link: http://lkml.kernel.org/r/20181116002713.8474-3-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>
This commit is contained in:
Davidlohr Bueso
2019-01-03 15:28:48 -08:00
committed by Linus Torvalds
parent 3bb5f4ac55
commit 34ec35ad8f
3 changed files with 3 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
kernel/sched/wait.c
View File

@@ -264,7 +264,7 @@ long prepare_to_wait_event(struct wait_queue_head *wq_head, struct wait_queue_en
long ret = 0;
spin_lock_irqsave(&wq_head->lock, flags);
if (unlikely(signal_pending_state(state, current))) {
if (signal_pending_state(state, current)) {
/*
* Exclusive waiter must not fail if it was selected by wakeup,
* it should "consume" the condition we were waiting for.