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    SubjectRe: [PATCH v7 00/10] KVM: MMU: fast page fault
    On Wed, Jun 20, 2012 at 03:56:29PM +0800, Xiao Guangrong wrote:
    > Changlog:
    > - always atomicly update the spte if it can be updated out of mmu-lock
    > - rename spte_can_be_writable() to spte_is_locklessly_modifiable()
    > - cleanup and comment spte_write_protect()
    >
    > Performance result:
    > (The benchmark can be found at: http://www.spinics.net/lists/kvm/msg73011.html)
    >
    > before after
    > Run 10 times, Avg time: 538233957 ns. 249809853 ns. +53.6%

    Looks fine to me.



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