Messages in this thread | | | Date | Wed, 6 Jan 2021 16:32:47 +0100 | From | Peter Zijlstra <> | Subject | Re: [PATCH 2/3] sched/fair: don't set LBF_ALL_PINNED unnecessarily |
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On Wed, Jan 06, 2021 at 04:20:55PM +0100, Vincent Guittot wrote:
> This case here is : > we have 2 tasks TA and TB on the rq. > The waiting one TB can't migrate for a reason other than the pinned case. > We decide to start the active migration on the running TA task but TA > is pinned. > In this case we are not in the all pinned case.
But then can_migrate_task(TB) should clear ALL_PINNED, no?
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