[PATCH] sched/dl: Do update_rq_clock() in yield_task_dl()

[PATCH] sched/dl: Do update_rq_clock() in yield_task_dl()

[Kirill Tkhai]

update_curr_dl() needs actual rq clock.

Signed-off-by: Kirill Tkhai <ktkhai@parallels.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);
 }
 

Re: [PATCH] sched/dl: Do update_rq_clock() in yield_task_dl()

[Peter Zijlstra]

On Wed, Feb 04, 2015 at 12:09:32PM +0300, Kirill Tkhai wrote:
> 
> update_curr_dl() needs actual rq clock.

It does indeed. Thanks

[tip:sched/core] sched/dl: Do update_rq_clock() in yield_task_dl( )

[tip-bot for Kirill Tkhai]

Commit-ID:  6f1607f1bdb4f9991a8123675a03c1764b2932fe
Gitweb:     http://git.kernel.org/tip/6f1607f1bdb4f9991a8123675a03c1764b2932fe
Author:     Kirill Tkhai <ktkhai@parallels.com>
AuthorDate: Wed, 4 Feb 2015 12:09:32 +0300
Committer:  Ingo Molnar <mingo@kernel.org>
CommitDate: Wed, 18 Feb 2015 16:17:12 +0100

sched/dl: Do update_rq_clock() in yield_task_dl()

update_curr_dl() needs actual rq clock.

Signed-off-by: Kirill Tkhai <ktkhai@parallels.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Link: http://lkml.kernel.org/r/1423040972.18770.10.camel@tkhai
Signed-off-by: Ingo Molnar <mingo@kernel.org>
---
 kernel/sched/deadline.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/kernel/sched/deadline.c b/kernel/sched/deadline.c
index 9908c95..3fa8fa6 100644
--- a/kernel/sched/deadline.c
+++ b/kernel/sched/deadline.c
@@ -912,6 +912,7 @@ 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);
 }