提交 bd4bde14 编写于 作者: W Wanpeng Li 提交者: Ingo Molnar

sched/deadline: Avoid a superfluous check

Since commit 40767b0d ("sched/deadline: Fix deadline parameter
modification handling") we clear the thottled state when switching
from a dl task, therefore we should never find it set in switching to
a dl task.
Signed-off-by: NWanpeng Li <wanpeng.li@linux.intel.com>
[ Improved the changelog. ]
Signed-off-by: NPeter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: NJuri Lelli <juri.lelli@arm.com>
Link: http://lkml.kernel.org/r/1426590931-4639-1-git-send-email-wanpeng.li@linux.intel.comSigned-off-by: NIngo Molnar <mingo@kernel.org>
上级 d4573c3e
......@@ -1665,14 +1665,6 @@ static void switched_to_dl(struct rq *rq, struct task_struct *p)
{
int check_resched = 1;
/*
* If p is throttled, don't consider the possibility
* of preempting rq->curr, the check will be done right
* after its runtime will get replenished.
*/
if (unlikely(p->dl.dl_throttled))
return;
if (task_on_rq_queued(p) && rq->curr != p) {
#ifdef CONFIG_SMP
if (p->nr_cpus_allowed > 1 && rq->dl.overloaded &&
......
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