Re: [PATCH v5 38/75] x86/sev-es: Add SEV-ES Feature Detection

From: Kees Cook
Date: Fri Jul 24 2020 - 13:54:42 EST

On Fri, Jul 24, 2020 at 06:02:59PM +0200, Joerg Roedel wrote:
> From: Joerg Roedel <jroedel@xxxxxxx>
> Add the sev_es_active function for checking whether SEV-ES is enabled.
> Also cache the value of MSR_AMD64_SEV at boot to speed up the feature
> checking in the running code.
> Signed-off-by: Joerg Roedel <jroedel@xxxxxxx>

Reviewed-by: Kees Cook <keescook@xxxxxxxxxxxx>

Kees Cook