Re: Reworking suspend-resume sequence (was: Re: PCI PM: Restore standard config registers of all devices early)

Pavel Machek
2009-03-05T08:16:45Z

On Thu 2009-03-05 10:25:04, Benjamin Herrenschmidt wrote:
>
> > As long as we claim to support cpu hotplug, suspending the cpus early
> > should work. User might have unplugged the cpu manually...
> >
> > If something is broken in acpi, we may need to disable cpu*/onlone on
> > affected systems.
>
> You seem to miss some context here... it seems that ACPI mandates that
> CPUs are suspended after devices and you know that we can't just start
> blacklisting half of the machines out there just because we happen not
> to do the same as what Windows does...

I did not see that ACPI mandate... where is it?

That would interfere with user's ability to online/offline cpus,
badly.

Are you saying that we should online all the CPUs before starting
suspend to stay on the "safe side"?
Pavel
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