Re: [PATCH] sched/cpuset/pm: Fix cpuset vs suspend-resume

From: Tejun Heo
Date: Thu Sep 07 2017 - 16:38:18 EST


Hello,

On Thu, Sep 07, 2017 at 11:26:16AM +0200, Peter Zijlstra wrote:
> TJ, I _think_ it was commit:
>
> deb7aa308ea2 ("cpuset: reorganize CPU / memory hotplug handling")

Heh, that's a while ago.

> That wrecked things, but there's been so much changes in this area it is
> really hard to tell. Note how before that commit it would
> unconditionally rebuild the domains, and you 'optimized' that ;-)
>
> That commit also introduced the work to do the async rebuild and failed
> to do that flush on resume.
>
> In any case, I think we should put a fixes tag on this commit such that
> it gets picked up into stable kernels. Not sure anybody will try and
> backport it into 4 year old kernels, but who knows.

I see & sounds good to me. I see that the patch already got applied
but FWIW,

Acked-by: Tejun Heo <tj@xxxxxxxxxx>

Thanks!

--
tejun