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Check only the terminal leaf for a "!PRESENT || MMIO" SPTE when looking for reserved bits on valid, non-MMIO SPTEs. The get_walk() helpers terminate their walks if a not-present or MMIO SPTE is encountered, i.e. the non-terminal SPTEs have already been verified to be regular SPTEs. This eliminates an extra check-and-branch in a relatively hot loop. Signed-off-by: Sean Christopherson <seanjc@google.com> Message-Id: <20201218003139.2167891-5-seanjc@google.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> |
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.. | ||
mmu_audit.c | ||
mmu_internal.h | ||
mmu.c | ||
mmutrace.h | ||
page_track.c | ||
paging_tmpl.h | ||
spte.c | ||
spte.h | ||
tdp_iter.c | ||
tdp_iter.h | ||
tdp_mmu.c | ||
tdp_mmu.h |