Messages in this thread | | | Date | Wed, 29 Mar 2017 17:32:53 +0200 | From | Borislav Petkov <> | Subject | Re: [RFC PATCH v2 16/32] x86: kvm: Provide support to create Guest and HV shared per-CPU variables |
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On Wed, Mar 29, 2017 at 05:21:13PM +0200, Paolo Bonzini wrote: > The GHCB would have to be allocated much earlier, possibly even by > firmware depending on how things will be designed.
How about a statically allocated page like we do with the early pagetable pages in head_64.S?
> I think it's premature to consider SEV-ES requirements.
My only concern is not to have to redo a lot when SEV-ES gets enabled. So it would be prudent to design with SEV-ES in the back of our minds.
-- Regards/Gruss, Boris.
SUSE Linux GmbH, GF: Felix Imendörffer, Jane Smithard, Graham Norton, HRB 21284 (AG Nürnberg) --
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