Re: [PATCH 2/4] KVM: x86: Introduce paravirt feature CR0/CR4 pinning

From: Dave Hansen
Date: Thu Jul 09 2020 - 11:56:49 EST


On 7/9/20 8:44 AM, Andersen, John wrote:
>
> Bits which are allowed to be pinned default to WP for CR0 and SMEP,
> SMAP, and UMIP for CR4.

I think it also makes sense to have FSGSBASE in this set.

I know it hasn't been tested, but I think we should do the legwork to
test it. If not in this set, can we agree that it's a logical next step?