Messages in this thread | | | From | Chen Yu <> | Date | Sat, 24 Oct 2020 00:28:40 +0800 | Subject | Re: [PATCH v2] sched/fair: check for idle core |
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On Fri, Oct 23, 2020 at 1:32 AM Julia Lawall <Julia.Lawall@inria.fr> wrote: > [cut] > diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c > index aa4c6227cd6d..9b23dad883ee 100644 > --- a/kernel/sched/fair.c > +++ b/kernel/sched/fair.c > @@ -5804,6 +5804,9 @@ wake_affine_idle(int this_cpu, int prev_cpu, int sync) > if (sync && cpu_rq(this_cpu)->nr_running == 1) > return this_cpu; > > + if (available_idle_cpu(prev_cpu)) How about also taking sched_idle_cpu(prev_cpu) into consideration? if (available_idle_cpu(prev_cpu) || sched_idle_cpu(prev_cpu))
Thanks, Chenyu
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