From: Xunlei Pang <xlpang@126.com>
To: linux-kernel@vger.kernel.org
Cc: Peter Zijlstra <peterz@infradead.org>,
Steven Rostedt <rostedt@goodmis.org>,
Juri Lelli <juri.lelli@gmail.com>, Ingo Molnar <mingo@redhat.com>,
Xunlei Pang <pang.xunlei@linaro.org>
Subject: [PATCH v3 4/4] sched/deadline: Remove redundant conditions from task_woken_dl()
Date: Tue, 12 May 2015 22:46:44 +0800 [thread overview]
Message-ID: <1431442004-18716-4-git-send-email-xlpang@126.com> (raw)
In-Reply-To: <1431442004-18716-1-git-send-email-xlpang@126.com>
From: Xunlei Pang <pang.xunlei@linaro.org>
Sync up the same behaviour as that of RT:
Remove "has_pushable_dl_tasks(rq)" and "!test_tsk_need_resched(rq->curr)".
Signed-off-by: Xunlei Pang <pang.xunlei@linaro.org>
---
kernel/sched/deadline.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/kernel/sched/deadline.c b/kernel/sched/deadline.c
index 968612b..38c08c4 100644
--- a/kernel/sched/deadline.c
+++ b/kernel/sched/deadline.c
@@ -1564,8 +1564,6 @@ static void post_schedule_dl(struct rq *rq)
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 ||
--
1.9.1
next prev parent reply other threads:[~2015-05-12 14:48 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-12 14:46 [PATCH v3 1/4] sched/rt: Check to push the task away after its affinity was changed Xunlei Pang
2015-05-12 14:46 ` [PATCH v3 2/4] sched/deadline: " Xunlei Pang
2015-05-12 14:46 ` [PATCH v3 3/4] sched/rt: Remove redundant conditions from task_woken_rt() Xunlei Pang
2015-05-12 14:46 ` Xunlei Pang [this message]
2015-05-29 13:16 ` [PATCH v3 1/4] sched/rt: Check to push the task away after its affinity was changed Peter Zijlstra
[not found] ` <OF8BB81194.1A32A464-ON48257E54.004C068A-48257E54.004D51E2@zte.com.cn>
2015-05-30 8:20 ` Peter Zijlstra
2015-05-30 10:54 ` Peter Zijlstra
2015-05-30 16:30 ` Steven Rostedt
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