Re: [PATCH v2 22/28] KVM: VMX: Clear controls obsoleted by EPT at runtime, not setup

[Jim Mattson]

On Wed, Jun 29, 2022 at 8:07 AM Vitaly Kuznetsov <vkuznets@xxxxxxxxxx> wrote:
>
> From: Sean Christopherson <seanjc@xxxxxxxxxx>
>
> Clear the CR3 and INVLPG interception controls at runtime based on
> whether or not EPT is being _used_, as opposed to clearing the bits at
> setup if EPT is _supported_ in hardware, and then restoring them when EPT
> is not used.  Not mucking with the base config will allow using the base
> config as the starting point for emulating the VMX capability MSRs.
>
> Signed-off-by: Sean Christopherson <seanjc@xxxxxxxxxx>
> Signed-off-by: Vitaly Kuznetsov <vkuznets@xxxxxxxxxx>
Nit: These controls aren't "obsoleted" by EPT; they're just no longer required.

Reviewed-by: Jim Mattson <jmattson@xxxxxxxxxx>