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Groups > linux.kernel > #1565909
| From | Sebastian Andrzej Siewior <bigeasy@linutronix.de> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH] kernel/sched/rt: Add a rescheduling point |
| Date | 2017-01-24 15:50 +0100 |
| Message-ID | <t3aA2-5wk-19@gated-at.bofh.it> (permalink) |
| References | <t3aA2-5wk-21@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On 2017-01-24 15:40:06 [+0100], To Peter Zijlstra wrote:
> Since the change in commit fd7a4bed1835 ("sched, rt: Convert
> switched_{from, to}_rt() / prio_changed_rt() to balance callbacks") we
> don't reschedule a task under certain circumstances:
|switched_to_dl()
|{
|…
| if (rq->curr != p) {
| #ifdef CONFIG_SMP
| if (tsk_nr_cpus_allowed(p) > 1 && rq->dl.overloaded)
| queue_push_tasks(rq);
| #else
| if (dl_task(rq->curr))
| check_preempt_curr_dl(rq, p, 0);
| else
| resched_curr(rq);
| #endif
| }
| }
This looks like it asks for a similar change.
Sebastian
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Re: [PATCH] kernel/sched/rt: Add a rescheduling point Sebastian Andrzej Siewior <bigeasy@linutronix.de> - 2017-01-24 15:50 +0100 Re: [PATCH] kernel/sched/rt: Add a rescheduling point Peter Zijlstra <peterz@infradead.org> - 2017-01-24 16:20 +0100
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