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@xxxxxxx> 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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