KVM: x86/mmu: Avoid multiple hash lookups in kvm_get_mmu_page()

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Refactor for_each_valid_sp() to take the list of shadow pages instead of
retrieving it from a gfn to avoid doing the gfn->list hash and lookup
multiple times during kvm_get_mmu_page().

Cc: Peter Feiner <pfeiner@google.com>
Cc: Jon Cargille <jcargill@google.com>
Cc: Jim Mattson <jmattson@google.com>
Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
Message-Id: <20200623194027.23135-2-sean.j.christopherson@intel.com>
Reviewed-By: Jon Cargille <jcargill@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

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Sean Christopherson 2020-06-23 12:40:26 -07:00 • committed by Paolo Bonzini

parent 4cb5b77eec

commit ac101b7cb1

1 changed files with 9 additions and 8 deletions

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arch/x86/kvm/mmu/mmu.c

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