Re: [PATCH v2 0/3] Freezer, CPU hotplug, x86 Microcode: Fix taskfreezing failures

[Pavel Machek]

Hi!

> > > The seems like entirely the wrong way to go about solving this problem.
> > > 
> > > The kernel shouldn't be responsible for making hotplug stress tests 
> > > exclusive with system sleep.  Whoever is running those tests should be 
> > > smart enough to realize what's wrong if system sleep interferes with a 
> > > test.
> 
> Yes, agreed. And more: I'm still trying to understand why a test case
> like that is relevant and needs to be fixed at all. Let me re-formulate
> the question: what real world scenario(s) does the case of hibernating
> _while_ off- and onlining cores cover? Or are you simply doing kernel
> resiliency testing and thought that offlining cores while hibernating
> might make sense?

Some people want to do hibernate on battery low / UPS fail. That can
happen any time...

-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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