Re: [PATCH v5 00/28] KVM: combined patchset for MBEC/GMET support

Paolo Bonzini
2026-05-01T03:47:03Z

On Thu, Apr 30, 2026 at 9:17 PM Sean Christopherson <seanjc@google.com> wrote:
>
> On Thu, Apr 30, 2026, Paolo Bonzini wrote:
> > On 4/30/26 17:07, Paolo Bonzini wrote:
> > > I will once more send you to v3 (https://lore.kernel.org/kvm/20260408154217.458420-1-pbonzini@redhat.com/)
> > > for the description of the series.
> > >
> > > v4 incorrectly rebased onto 7.1 KVM and broke the case where L1 disables
> > > NPT. On top of that I made a few final touches on the patch split, and
> > > opted to use the XU bit unconditionally in the MMU even if MBEC is disabled.
> > > This is more consistent with the idea of reducing as much as possible
> > > the differences between mbec=0 and mbec=1 modes.
> >
> > I placed this also at branch kvm-mbec of
> > https://git.kernel.org/pub/scm/virt/kvm/kvm.git.
>
> A decent number of nits, but nothing that truly necessitates a respin or rewriting
> of history. I don't have a strong preference between doing fixups versus cleanups
> on top.

I'll definitely do fixups.

Paolo