Messages in this thread Patch in this message | | | Date | Tue, 3 Jul 2018 11:49:15 -0400 | From | Steven Rostedt <> | Subject | Re: [BUG] Caused by: sched/deadline: Move CPU frequency selection triggering points |
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On Tue, 3 Jul 2018 11:31:20 -0400 Steven Rostedt <rostedt@goodmis.org> wrote:
> On Tue, 3 Jul 2018 17:07:11 +0200 > Juri Lelli <juri.lelli@redhat.com> wrote: > > > This got into tip quite recently > > > > ecda2b66e263 ("sched/deadline: Fix missing clock update") > > > > could you please double check that you have that in your stack? > > > > Unfortunately, I just tested it out, and it still locks up with this > patch. >
It appears that the below patch fixes the issue for me.
Is this a correct usage?
-- Steve
diff --git a/kernel/sched/deadline.c b/kernel/sched/deadline.c index fbfc3f1d368a..90b6e9df79b2 100644 --- a/kernel/sched/deadline.c +++ b/kernel/sched/deadline.c @@ -2085,6 +2085,8 @@ static int push_dl_task(struct rq *rq) goto retry; } + update_rq_clock(later_rq); + deactivate_task(rq, next_task, 0); sub_running_bw(&next_task->dl, &rq->dl); sub_rq_bw(&next_task->dl, &rq->dl);
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