On Wed, Dec 01, 2010 at 12:52:22AM +0800, Xiao Guangrong wrote: > 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. Why is this a problem? We do what this page to not be evicted again since we expect it to be accessed. -- Gleb. -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
