On 21/01/16 13:17, Andrew Cooper wrote: > > As we see with the Protection Key feature, newer hardware feature start > using bits which were previously software available, and we absolutely > don't want to be in a position where our ABI prevents us from ever > supporting a new feature.
I don't see a problem in not supporting new features in /PV/ guests. I think we should document the PV ABI as-is. i.e., that these two PTE bits are not available for PV guest use. David _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel