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KVM: x86/mmu: Skip invalid pages during zapping iff root_count is zero
authorSean Christopherson <sean.j.christopherson@intel.com>
Fri, 13 Sep 2019 02:46:12 +0000 (19:46 -0700)
committerPaolo Bonzini <pbonzini@redhat.com>
Tue, 24 Sep 2019 12:36:06 +0000 (14:36 +0200)
commit9a5c034c9abaef81ad9df0221638785a088942b5
tree12f8134e59e817a5b575a22ae63cb93151ca87cctree | snapshot
parentca333add6933ad9732ba2c6671f133d7367ad96ccommit | diff
KVM: x86/mmu: Skip invalid pages during zapping iff root_count is zero

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>
arch/x86/kvm/mmu.c diff | blob | blame | history
Linux 6.x block layer and io_uring tree(s)