Re: [PATCH] hotplug: Optimize {get,put}_online_cpus()

From: Peter Zijlstra
Date: Wed Sep 25 2013 - 11:35:57 EST

On Wed, Sep 25, 2013 at 05:16:42PM +0200, Oleg Nesterov wrote:
> Yes, but my point was, this can only happen in recursive fast path.

Right, I understood.

> And in this case (I think) we do not care, we are already in the critical
> section.

I tend to agree, however paranoia..

> OK, please forget. I guess I will never understand this ;)

It might just be I'm less certain about there not being any avenue of
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