[edk2-devel] [PATCH v9 08/32] OvmfPkg/ResetVector: use SEV-SNP-validated CPUID values

[Gerd Hoffmann]

On Wed, Oct 13, 2021 at 11:56:49AM -0500, Brijesh Singh wrote:
> From: Michael Roth <michael.roth at amd.com>
> 
> CPUID instructions are issued during early boot to do things like probe
> for SEV support. Currently these are handled by a minimal #VC handler
> that uses the MSR-based GHCB protocol to fetch the CPUID values from
> the hypervisor. When SEV-SNP is enabled, use the firmware-validated
> CPUID values from the CPUID page instead [1].

Acked-by: Gerd Hoffmann <kraxel at redhat.com>



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