Re: [RFC PATCH 23/37] KVM: MMU: Move VM-level TDP MMU state to struct kvm

David Matlack
2022-12-09T17:57:57Z

On Fri, Dec 9, 2022 at 9:32 AM Oliver Upton <oliver.upton@linux.dev> wrote:
>
> Hey David,
>
> On Thu, Dec 08, 2022 at 11:38:43AM -0800, David Matlack wrote:
> > Move VM-level TDP MMU state to struct kvm so it can be accessed by
> > common code in a future commit.
> >
> > No functional change intended.
>
> Could you instead introduce a structure to hold all of the MMU state and
> stick that in struct kvm? If the goal is to eventually supersede all
> uses of the arm64 pgtable library we are going to need the ability to
> operate outside of a KVM VM context.

This patch does introduce a tdp_mmu struct to hold all of the TDP MMU
state. Did you have something else in mind?