Re: [PATCH 5/6] sched/dl: reschedule if successfully pull earlier deadline task

From: Wanpeng Li
Date: Wed Oct 29 2014 - 18:59:24 EST


Hi Juri, could you review 5/6 and 6/6? 5/6 is the same behavior as rt class. ;-)
2014/10/27 9:41, Wanpeng Li:
Reschedule if successfully pull earlier deadline task.

Signed-off-by: Wanpeng Li <wanpeng.li@xxxxxxxxxxxxxxx>
---
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
}

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