linux-kernel - [PATCH] sched/dl: Do update_rq_clock() in yield_task

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Message-ID: <1423040972.18770.10.camel@tkhai>
Date:	Wed, 4 Feb 2015 12:09:32 +0300
From:	Kirill Tkhai <ktkhai@...allels.com>
To:	<linux-kernel@...r.kernel.org>
CC:	Peter Zijlstra <peterz@...radead.org>,
	Juri Lelli <juri.lelli@...il.com>,
	Ingo Molnar <mingo@...hat.com>, Kirill Tkhai <tkhai@...dex.ru>
Subject: [PATCH] sched/dl: Do update_rq_clock() in yield_task_dl()


update_curr_dl() needs actual rq clock.

Signed-off-by: Kirill Tkhai <ktkhai@...allels.com>
---
 kernel/sched/deadline.c |    1 +
 1 file changed, 1 insertion(+)

diff --git a/kernel/sched/deadline.c b/kernel/sched/deadline.c
index e7b2722..f4dbedd 100644
--- a/kernel/sched/deadline.c
+++ b/kernel/sched/deadline.c
@@ -898,6 +898,7 @@ static void yield_task_dl(struct rq *rq)
 		rq->curr->dl.dl_yielded = 1;
 		p->dl.runtime = 0;
 	}
+	update_rq_clock(rq);
 	update_curr_dl(rq);
 }
 



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