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

From: Sean Christopherson
Date: Wed Jul 15 2020 - 00:41:33 EST


On Tue, Jul 14, 2020 at 05:39:30AM +0000, Andersen, John wrote:
> With regards to FSGSBASE, are we open to validating and adding that to the
> DEFAULT set as a part of a separate patchset? This patchset is focused on
> replicating the functionality we already have natively.

Kees added FSGSBASE pinning in commit a13b9d0b97211 ("x86/cpu: Use pinning
mask for CR4 bits needing to be 0"), so I believe it's a done deal already.