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    SubjectRe: [PATCH 3/6] KVM MMU: optimize/cleanup for marking parent unsync
    On Mon, Apr 12, 2010 at 04:02:24PM +0800, Xiao Guangrong wrote:
    > - 'vcpu' is not used while mark parent unsync, so remove it
    > - if it has alread marked unsync, no need to walk it's parent
    >
    > Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>

    Xiao,

    Did you actually see this codepath as being performance sensitive?

    I'd prefer to not touch it.



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