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    SubjectRe: [PATCH v2 1/7] KVM: MMU: optimize pte write path if don't have protected sp
    On Mon, May 16, 2011 at 02:25:02PM +0300, Avi Kivity wrote:
    > On 05/15/2011 06:20 PM, Xiao Guangrong wrote:
    > >Simply return from kvm_mmu_pte_write path if no shadow page is
    > >write-protected, then we can avoid to walk all shadow pages and hold
    > >mmu-lock
    >
    > Patchset looks like a very good cleanup (plus the nice optimization
    > in patch 1).

    What case is patch 1 optimizing for?



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