Re: [EXTERNAL][PATCH v16 8/8] x86/smpboot: Allow parallel bringup for SEV-ES

David Woodhouse
2023-03-23T22:31:13Z

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On Thu, 2023-03-23 at 23:13 +0100, Borislav Petkov wrote:
> On March 23, 2023 7:28:38 PM GMT+01:00, Tom Lendacky
> <thomas.lendacky@amd.com> wrote:
> >
> > I agree. But once it's there, someone somewhere in the future may
> > look and go, oh, I can call this. So I think it either needs a nice
> > comment above it about how it is currently used/called and what to
> > do if it needs to be called from someplace other than head_64.S or
> > the MSR needs to be saved/restored.
>
> Or it could be __init and get discarded when the system is up.

Not if we have CPU hotplug. Or system suspend.

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