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SubjectRe: [PATCH 0/4] KVM: x86/mmu: Bug fixes and cleanups in get_mmio_spte()
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On 18/12/20 01:31, Sean Christopherson wrote:
> Two fixes for bugs that were introduced along with the TDP MMU (though I
> strongly suspect only the one reported by Richard, fixed in patch 2/4, is
> hittable in practice). Two additional cleanup on top to try and make the
> code a bit more readable and shave a few cycles.
>
> Sean Christopherson (4):
> KVM: x86/mmu: Use -1 to flag an undefined spte in get_mmio_spte()
> KVM: x86/mmu: Get root level from walkers when retrieving MMIO SPTE
> KVM: x86/mmu: Use raw level to index into MMIO walks' sptes array
> KVM: x86/mmu: Optimize not-present/MMIO SPTE check in get_mmio_spte()
>
> arch/x86/kvm/mmu/mmu.c | 53 +++++++++++++++++++++-----------------
> arch/x86/kvm/mmu/tdp_mmu.c | 9 ++++---
> arch/x86/kvm/mmu/tdp_mmu.h | 4 ++-
> 3 files changed, 39 insertions(+), 27 deletions(-)
>

Queued, thanks (and thanks for Ccing stable on the first two already :)).

Paolo

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