Messages in this thread | | | Date | Wed, 01 Dec 2010 00:52:22 +0800 | From | Xiao Guangrong <> | Subject | Re: [PATCH v3 2/3] KVM: MMU: fix accessed bit set on prefault path |
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On 11/30/2010 09:29 PM, Gleb Natapov wrote:
>> + if (!shadow_accessed_mask) >> + return; >> + > I don't get this. As far as I can see VMX inits shadow_accessed_mask to > be zero if ept is enabled. This line here means that we never prefault with ept > enabled. It is opposite from what it should be. >
Since it's no accessed bit on EPT, it's no way to distinguish between actually accessed translations and prefault.
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