Messages in this thread | | | Date | Tue, 24 Jan 2017 15:43:54 +0100 | From | Sebastian Andrzej Siewior <> | Subject | Re: [PATCH] kernel/sched/rt: Add a rescheduling point |
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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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