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

[Peter Zijlstra]

On Mon, 2011-10-10 at 10:00 -0700, Tejun Heo wrote:

> 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.

Agreed.

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