Re: [PATCH 50/62] x86/sev-es: Handle VMMCALL Events

[Joerg Roedel]

On Tue, Feb 11, 2020 at 04:14:53PM -0800, Andy Lutomirski wrote:
> 
> How about we just donât do VMMCALL if weâre 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