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| author | Xunlei Pang <pang.xunlei@linaro.org> | 2015-07-04 09:39:22 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2015-08-03 12:21:19 +0200 |
| commit | 8fd373548eed815858d7b5534971bdc64b4d8d2c (patch) | |
| tree | 71b7107ae6ee357c0a229414f543486b044dba64 /kernel/sched/rt.c | |
| parent | sched/fair: Avoid pulling all tasks in idle balancing (diff) | |
| download | linux-8fd373548eed815858d7b5534971bdc64b4d8d2c.tar.xz linux-8fd373548eed815858d7b5534971bdc64b4d8d2c.zip | |
sched/rt: Remove a redundant condition from task_woken_rt()
'p' has been already queued at this point, so "!task_running(rq, p)"
and "p->nr_cpus_allowed > 1" imply that "has_pushable_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/1435995563-3723-1-git-send-email-xlpang@126.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/sched/rt.c')
| -rw-r--r-- | kernel/sched/rt.c | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/kernel/sched/rt.c b/kernel/sched/rt.c index 0d193a243e96..00816eeaa308 100644 --- a/kernel/sched/rt.c +++ b/kernel/sched/rt.c @@ -2069,7 +2069,6 @@ static void task_woken_rt(struct rq *rq, struct task_struct *p) { if (!task_running(rq, p) && !test_tsk_need_resched(rq->curr) && - has_pushable_tasks(rq) && p->nr_cpus_allowed > 1 && (dl_task(rq->curr) || rt_task(rq->curr)) && (rq->curr->nr_cpus_allowed < 2 || |