Re: [PATCH v4 0/7] x86: BSP or CPU0 online/offline

[Ingo Molnar]

* Srivatsa S. Bhat <srivatsa.bhat@xxxxxxxxxxxxxxxxxx> wrote:

> > But the hibernation angle should be considered. Hibernation 
> > already has to deal with the case where someone physically 
> > unplugs a CPU and then resumes from the disk image, right? 
> > How does the hibernation code handle that case currently?
> 
> Oh, wait a minute. Are we talking about physical CPU Hotplug 
> in between hibernation and restore? AFAIK, currently we don't 
> handle that at all. [...]

Well, not hotplug, but plain old-fashioned: 'hibernate the box, 
take out a CPU physically and thaw' kind of hardware change.

How will the hibernation code handle this case?

Thanks,

	Ingo
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