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| author | Xunlei Pang <pang.xunlei@linaro.org> | 2015-07-04 15:39:23 +0800 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2015-08-03 12:21:20 +0200 |
| commit | 3fe33bcdd358dd8c641cf4d92c9d2d9972ca94dd (patch) | |
| tree | 6894d6ade36cab085d109f67ba9d667eda262552 | |
| parent | 8fd373548eed815858d7b5534971bdc64b4d8d2c (diff) | |
| download | op-kernel-dev-3fe33bcdd358dd8c641cf4d92c9d2d9972ca94dd.zip op-kernel-dev-3fe33bcdd358dd8c641cf4d92c9d2d9972ca94dd.tar.gz | |
sched/deadline: Remove a redundant condition from task_woken_dl()
'p' has been already queued at this point, so "!task_running(rq, p)"
and "p->nr_cpus_allowed > 1" imply that "has_pushable_dl_tasks(rq)"
is true, so it can be removed.
Signed-off-by: Xunlei Pang <pang.xunlei@linaro.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Steven Rostedt <rostedt@goodmis.org>
Cc: Juri Lelli <juri.lelli@gmail.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/1435995563-3723-2-git-send-email-xlpang@126.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
| -rw-r--r-- | kernel/sched/deadline.c | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/kernel/sched/deadline.c b/kernel/sched/deadline.c index 0a17af35..20772ee 100644 --- a/kernel/sched/deadline.c +++ b/kernel/sched/deadline.c @@ -1657,7 +1657,6 @@ static void task_woken_dl(struct rq *rq, struct task_struct *p) { if (!task_running(rq, p) && !test_tsk_need_resched(rq->curr) && - has_pushable_dl_tasks(rq) && p->nr_cpus_allowed > 1 && dl_task(rq->curr) && (rq->curr->nr_cpus_allowed < 2 || |
