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SubjectRe: [PATCH v6 13/42] x86/compressed: Register GHCB memory when SEV-SNP is active
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.



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