Re: [PATCH v6 00/76] x86: SEV-ES Guest Support

Joerg Roedel
2020-08-25T06:24:33Z

Hi Mike,

On Tue, Aug 25, 2020 at 12:21:03AM +0000, Mike Stunes wrote:
> Thanks for the new update! I still see the same FSGSBASE behavior on our platform.
>
> That is, APs come up offline; masking out either FSGSBASE or RDPID from the
> guest's CPUID results in all CPUs online.
>
> Is that still expected with this patch set? (As you mentioned in an earlier reply,
> I’m testing on a Rome system.)

The RDPID fix (removing RDPID usage from paranoid_entry) is probably not
yet merged into the base you have been using. But removing RDPID from
CPUID should make things work until the fix is merged.

Regards,

Joerg