Re: [PATCH v6 5/5] x86/kvm: Avoid dynamic allocation of pvclock data when SEV is active

[Borislav Petkov]

On Tue, Sep 11, 2018 at 11:26:21AM +0200, Paolo Bonzini wrote:
> Usually the kvmclock structs are all the same, but there is support for
> old machines with inconsistent TSCs (across different sockets typically).

Would that be a problem, though? Sounds like an "improvement" to me. :-)

I mean, if we keep using the same TSC across all vCPUs, the guest will
actually see a single TSC and thus have stable and synchronized TSCs.
Unlike the host.

I.e., the guest will be better than the host! :-)

-- 
Regards/Gruss,
    Boris.

SUSE Linux GmbH, GF: Felix ImendÃrffer, Jane Smithard, Graham Norton, HRB 21284 (AG NÃrnberg)
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