Re: nonboot cpu on SMP suspend

From: Pavel Machek
Date: Fri Mar 20 2009 - 14:59:21 EST


On Wed 2009-03-18 14:25:32, Li Yang wrote:
> Hi all,
>
> I'm curious why we need to un-plug all the nonboot cpus before suspend
> and start them all over again after the suspend(ACPI sleep)?  I mean
> if we can bring the booting cpu back to the exact state as before
> suspend, why can't we just do the same for non-booting cpus?  And that
> will be much faster. Any thought?  Thanks.

Why do you think it will be faster?
Pavel
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