| Date | Thu, 1 Oct 2020 18:12:30 +0100 | From | Vincent Donnefort <> | Subject | Re: [PATCH 5/9] sched/hotplug: Consolidate task migration on CPU unplug |
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On Mon, Sep 21, 2020 at 06:36:02PM +0200, Peter Zijlstra wrote:
[...]
> + > + [CPUHP_AP_SCHED_WAIT_EMPTY] = { > + .name = "sched:waitempty", > + .startup.single = NULL, > + .teardown.single = sched_cpu_wait_empty, > + }, > + > /* Handle smpboot threads park/unpark */
Unless I missed something, now that the wait has its own HP step, this patch can probably also get rid of the balance_hotplug_wait() in sched_cpu_deactivate() introduced by:
[PATCH 4/9] sched/core: Wait for tasks being pushed away on hotplug
-- Vincent
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