Messages in this thread | | | Date | Wed, 12 Feb 2020 14:22:20 +0100 | From | Joerg Roedel <> | Subject | Re: [PATCH 50/62] x86/sev-es: Handle VMMCALL Events |
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On Tue, Feb 11, 2020 at 04:14:53PM -0800, Andy Lutomirski wrote: > > How about we just don’t do VMMCALL if we’re a SEV-ES guest? Otherwise > we add thousands of cycles of extra latency for no good reason.
True, but I left that as a future optimization for now, given the size the patch-set already has. The idea is to add an abstraction around VMMCALL for the support code of the various hypervisors and just do a VMGEXIT in that wrapper when in an SEV-ES guest. But again, that is a separate patch-set.
Regards,
Joerg
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