Il 20/01/2014 23:13, Andreas Färber ha scritto: > I don't like the argument that we can put arbitrary stuff in our model > definitions and rely on TCG not having implemented it to make it > correct. Is x2apic something that TCG can never implement for some > reason? Then that needs a better explanation. Otherwise, is there no > criteria we can add this flag for when kvm_enabled()?
We already do that for other bits (e.g. XSAVE/OSXSAVE), and in fact it is the same that we do for KVM: the KVM_GET_SUPPORTED_CPUID result is used to trim the generic feature bits. Paolo
