KVM: x86/mmu: Skip invalid pages during zapping iff root_count is zero

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Do not skip invalid shadow pages when zapping obsolete pages if the
pages' root_count has reached zero, in which case the page can be
immediately zapped and freed.

Update the comment accordingly.

Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

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Sean Christopherson 2019-09-12 19:46:12 -07:00 • committed by Paolo Bonzini

parent ca333add69

commit 9a5c034c9a

1 changed files with 5 additions and 4 deletions

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arch/x86/kvm/mmu.c

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