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SubjectRe: nonboot cpu on SMP suspend
Rafael J. Wysocki 写道:
> 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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