Messages in this thread | | | Date | Tue, 24 Jan 2017 16:17:45 +0100 | From | Peter Zijlstra <> | Subject | Re: [PATCH] kernel/sched/rt: Add a rescheduling point |
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On Tue, Jan 24, 2017 at 03:43:54PM +0100, Sebastian Andrzej Siewior wrote: > 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.
Indeed.
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