Re: [PATCH v5 00/10] KVM: x86: nSVM: Improve PAT virtualization

[Sean Christopherson]

On Mon, 23 Feb 2026 16:54:38 -0800, Jim Mattson wrote:
> Currently, KVM's implementation of nested SVM treats the PAT MSR the same
> way whether or not nested NPT is enabled: L1 and L2 share a single
> PAT. However, the APM specifies that when nested NPT is enabled, the host
> (L1) and the guest (L2) should have independent PATs: hPAT for L1 and gPAT
> for L2. This patch series implements the architectural specification in
> KVM.
> 
> [...]

Applied patch 1 to kvm-x86 nested.  I'll wait for a new version for the gPAT
stuff.

[01/10] KVM: x86: SVM: Remove vmcb_is_dirty()
        https://github.com/kvm-x86/linux/commit/66b207f175f1

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https://github.com/kvm-x86/linux/tree/next