| Date | Tue, 2 Nov 2021 17:33:52 +0100 | From | Borislav Petkov <> | Subject | Re: [PATCH v6 13/42] x86/compressed: Register GHCB memory when SEV-SNP is active |
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On Fri, Oct 08, 2021 at 01:04:24PM -0500, Brijesh Singh wrote: > The SEV-SNP guest is required to perform GHCB GPA registration. This is
Let's write that out and make this more readable for outsiders too:
"... is required by the GHCB spec to register the GHCB's Guest Physical Address (GPA)."
> because the hypervisor may prefer that a guest use a consistent and/or > specific GPA for the GHCB associated with a vCPU. For more information, > see the GHCB specification.
Giving a section in that spec would be helpful.
Thx.
-- Regards/Gruss, Boris.
https://people.kernel.org/tglx/notes-about-netiquette
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