Messages in this thread | | | Date | Mon, 15 Nov 2010 13:34:24 +0800 | From | Xiao Guangrong <> | Subject | Re: [PATCH 1/4] KVM: MMU: don't drop spte if overwrite it from W to RO |
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On 11/14/2010 06:52 PM, Avi Kivity wrote: > On 11/12/2010 12:30 PM, Xiao Guangrong wrote: >> We just need flush tlb if overwrite a writable spte with a read-only one >> > > What are the advantages? Avoid playing with rmap, and avoid a window > where the spte is missing? >
Both, but only the first was in my mind when i'm making the patch :-)
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