On 27/09/2016 17:31, Peter Feiner wrote: > > I'm reworking this function in a fix for nested bug exposed by PML. > When PML is on, EPT A/D is enabled in the vmcs02 EPTP regardless of > the vmcs12's EPTP value. The problem is that enabling A/D changes the > behavior of L2's x86 page table walks as seen by L1. With A/D enabled, > x86 page table walks are always treated as EPT writes. The EPT test in > kvm-unit-tests's x86/vmx.c shows this failure. Is PML required actually? Just eptad=1 I think (my machine doesn't have PML but shows the bug). Thanks for the review by the way. :) Paolo -- 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
