Re: [PATCH v2] CPU hotplug, freezer: Fix bugs in CPU hotplug callpath

[Peter Zijlstra]

On Sat, 2011-10-08 at 02:26 +0530, Srivatsa S. Bhat wrote:
> 
> So, we should mutually exclude cpu hotplugging and freezing/thawing to
> ensure that during the entire duration that the callbacks for the notified
> event are running, the state introduced by that event holds good. 

Yes we should, but I'd rather see that done on a more fundamental level,
and not frob yet another mutex in the already complex hotplug system.



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