lkml.org 
[lkml]   [2022]   [Jul]   [1]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
Date
SubjectRe: [PATCH v2 22/28] KVM: VMX: Clear controls obsoleted by EPT at runtime, not setup
On Wed, Jun 29, 2022 at 8:07 AM Vitaly Kuznetsov <vkuznets@redhat.com> wrote:
>
> From: Sean Christopherson <seanjc@google.com>
>
> 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@google.com>
> Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Nit: These controls aren't "obsoleted" by EPT; they're just no longer required.

Reviewed-by: Jim Mattson <jmattson@google.com>

\
 
 \ /
  Last update: 2022-07-01 18:15    [W:0.239 / U:0.208 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site