Re: [PATCH v2] kthread_worker: re-set CPU affinities if CPU come online

From: Thomas Gleixner
Date: Wed Oct 28 2020 - 18:41:34 EST


On Wed, Oct 28 2020 at 15:30, qiang zhang wrote:
> From: Zqiang <qiang.zhang@xxxxxxxxxxxxx>
>
> When someone CPU offlined, the 'kthread_worker' which bind this CPU,
> will run anywhere, if this CPU online, recovery of 'kthread_worker'
> affinity by cpuhp notifiers.
>
> Signed-off-by: Zqiang <qiang.zhang@xxxxxxxxxxxxx>
> ---
> v1->v2:
> rename variable kworker_online to kthread_worker_online.
> add 'cpuhp_node' and 'bind_cpu' init in KTHREAD_WORKER_INIT.
> add a comment explaining for WARN_ON_ONCE.

How is that addressing any of the comments I made on V1 of this?

Thanks,

tglx