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KVM: x86/mmu: Speed up slot_rmap_walk_next for sparsely populated rmaps
authorVipin Sharma <vipinsh@google.com>
Mon, 2 May 2022 22:03:47 +0000 (22:03 +0000)
committerPaolo Bonzini <pbonzini@redhat.com>
Thu, 12 May 2022 13:51:45 +0000 (09:51 -0400)
commit6ba1e04fa60787ced4c9049cf7bd6cd0f1b80764
tree3b0ff5e8cb74eb99f0e4f306666c05cb6a68ab0etree | snapshot
parent3c5c32457d7da76d077effc08176d3ad2e7536f9commit | diff
KVM: x86/mmu: Speed up slot_rmap_walk_next for sparsely populated rmaps

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>
arch/x86/kvm/mmu/mmu.c diff | blob | history
ep93xx device tree rework repo: git://git.maquefel.me/linux.git