diff options
| author |   Peter Zijlstra <peterz@infradead.org> | 2016-02-25 15:01:49 +0100 |
|---|---|---|
| committer |   Ingo Molnar <mingo@kernel.org> | 2016-02-29 09:53:11 +0100 |
| commit | 801ccdbf018ca5dbd478756ece55cd6c7726ed5b (patch) | |
| tree | a6c0fcfae7857957416637e1300ebee17add0511 /kernel | |
| parent | sched/debug: Fix preempt_disable_ip recording for preempt_disable() (diff) | |
| download | linux-dev-801ccdbf018ca5dbd478756ece55cd6c7726ed5b.tar.xz linux-dev-801ccdbf018ca5dbd478756ece55cd6c7726ed5b.zip | |
sched/deadline: Remove superfluous call to switched_to_dl()
if (A || B) {
} else if (A && !B) {
}
If A we'll take the first branch, if !A we will not satisfy the second.
Therefore the second branch will never be taken.
Reported-by: luca abeni <luca.abeni@unitn.it>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Juri Lelli <juri.lelli@arm.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/20160225140149.GK6357@twins.programming.kicks-ass.net
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/sched/deadline.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/kernel/sched/deadline.c b/kernel/sched/deadline.c index 04a569cdd613..15abf04bf0b8 100644 --- a/kernel/sched/deadline.c +++ b/kernel/sched/deadline.c @@ -1772,8 +1772,7 @@ static void prio_changed_dl(struct rq *rq, struct task_struct *p, */ resched_curr(rq); #endif /* CONFIG_SMP */ - } else - switched_to_dl(rq, p); + } } const struct sched_class dl_sched_class = { |