Re: [PATCH v2 2/3] Mutually exclude cpu online andsuspend/hibernate

From: Tejun Heo
Date: Mon Oct 10 2011 - 13:00:35 EST


Hello,

On Mon, Oct 10, 2011 at 06:15:20PM +0530, Srivatsa S. Bhat wrote:
> Would it be better to hook into the suspend/hibernate notifiers and
> use them to exclude cpu hotplug from suspend/hibernate, instead of
> trying to take pm_mutex lock like this?

If this change is determined to be necessary, I think it would be
better to make it explicit. Exclusion through callbacks often makes
the locking just more obscure.

Thanks.

--
tejun
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