Messages in this thread |  | | Date | Thu, 29 Jul 2021 18:16:52 +0000 | From | Sean Christopherson <> | Subject | Re: [PATCH v2 1/3] KVM: x86/mmu: Remove redundant spte present check in mmu_set_spte |
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On Mon, Jul 26, 2021, Mingwei Zhang wrote: > Drop an unnecessary is_shadow_present_pte() check when updating the rmaps > after installing a non-MMIO SPTE. set_spte() is used only to create > shadow-present SPTEs, e.g. MMIO SPTEs are handled early on, mmu_set_spte() > runs with mmu_lock held for write, i.e. the SPTE can't be zapped between > writing the SPTE and updating the rmaps. > > Opportunistically combine the "new SPTE" logic for large pages and rmaps. > > No functional change intended. > > Suggested-by: Ben Gardon <bgardon@google.com> > Signed-off-by: Mingwei Zhang <mizhang@google.com> > ---
Reviewed-by: Sean Christopherson <seanjc@google.com>
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