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SubjectRe: [PATCH 4/5] KVM: x86/mmu: Don't install TDP MMU SPTE if SP has unexpected level
On Mon, Dec 12, 2022 at 7:30 PM Sean Christopherson <> wrote:
> Don't install a leaf TDP MMU SPTE if the parent page's level doesn't
> match the target level of the fault, and instead have the vCPU retry the
> faulting instruction after warning. Continuing on is completely
> unnecessary as the absolute worst case scenario of retrying is DoSing
> the vCPU, whereas continuing on all but guarantees bigger explosions, e.g.

Would it make sense to kill the VM instead via KVM_BUG()?

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