From: Wanpeng Li <wanpeng.li@linux.intel.com>
To: Ingo Molnar <mingo@redhat.com>, Peter Zijlstra <peterz@infradead.org>
Cc: Juri Lelli <juri.lelli@arm.com>,
linux-kernel@vger.kernel.org,
Wanpeng Li <wanpeng.li@linux.intel.com>
Subject: [PATCH 5/6] sched/dl: reschedule if successfully pull earlier deadline task
Date: Mon, 27 Oct 2014 09:41:06 +0800 [thread overview]
Message-ID: <1414374067-7209-5-git-send-email-wanpeng.li@linux.intel.com> (raw)
In-Reply-To: <1414374067-7209-1-git-send-email-wanpeng.li@linux.intel.com>
Reschedule if successfully pull earlier deadline task.
Signed-off-by: Wanpeng Li <wanpeng.li@linux.intel.com>
---
kernel/sched/deadline.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/kernel/sched/deadline.c b/kernel/sched/deadline.c
index 97141e2..21de865 100644
--- a/kernel/sched/deadline.c
+++ b/kernel/sched/deadline.c
@@ -1583,8 +1583,8 @@ static void switched_from_dl(struct rq *rq, struct task_struct *p)
* this is the right place to try to pull some other one
* from an overloaded cpu, if any.
*/
- if (!rq->dl.dl_nr_running)
- pull_dl_task(rq);
+ if (!rq->dl.dl_nr_running && pull_dl_task(rq))
+ resched_curr(rq);
#endif
}
--
1.9.1
next prev parent reply other threads:[~2014-10-27 1:41 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-27 1:41 [PATCH 1/6] sched/rt: check if curr can be pushed/pulled somewhere else in advance Wanpeng Li
2014-10-27 1:41 ` [PATCH 2/6] sched/dl: fix yield task artificial overrun Wanpeng Li
2014-10-29 16:33 ` Juri Lelli
2014-10-29 22:49 ` Wanpeng Li
2014-10-30 10:04 ` Juri Lelli
2014-10-27 1:41 ` [PATCH 3/6] sched/dl: add deadline rq status print Wanpeng Li
2014-10-29 16:52 ` Juri Lelli
2014-10-29 22:52 ` Wanpeng Li
2014-10-27 1:41 ` [PATCH 4/6] sched/dl: push task away if the deadline is equal to curr during wakeup Wanpeng Li
2014-10-29 17:08 ` Juri Lelli
2014-10-27 1:41 ` Wanpeng Li [this message]
2014-10-29 22:59 ` [PATCH 5/6] sched/dl: reschedule if successfully pull earlier deadline task Wanpeng Li
2014-10-30 10:21 ` Juri Lelli
2014-10-30 13:12 ` Wanpeng Li
2014-10-30 14:42 ` Juri Lelli
2014-10-31 15:37 ` Peter Zijlstra
2014-10-27 1:41 ` [PATCH 6/6] sched/dl: don't check CONFIG_SMP in switched_from_dl Wanpeng Li
2014-10-30 10:29 ` Juri Lelli
2014-10-29 22:57 ` [PATCH 1/6] sched/rt: check if curr can be pushed/pulled somewhere else in advance Wanpeng Li
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