Re: nonboot cpu on SMP suspend

[chen gong]

Rafael J. Wysocki åé:
> On Wednesday 18 March 2009, 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.
>
> Because we need to enter the BIOS with one CPU on-line only.
You mean only one CPU can be supported by BIOS when suspend/resume ?
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