KVM: x86/mmu: Speed up slot_rmap_walk_next for sparsely populated rmaps

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Avoid calling handlers on empty rmap entries and skip to the next non
empty rmap entry.

Empty rmap entries are noop in handlers.

Signed-off-by: Vipin Sharma <vipinsh@google.com>
Suggested-by: Sean Christopherson <seanjc@google.com>
Message-Id: <20220502220347.174664-1-vipinsh@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

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Vipin Sharma 2022-05-02 22:03:47 +00:00 • committed by Paolo Bonzini

parent 3c5c32457d

commit 6ba1e04fa6

1 changed files with 4 additions and 2 deletions

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arch/x86/kvm/mmu/mmu.c

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