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
