On 21/03/16 16:51, Jan Beulich wrote: >>>> On 15.03.16 at 16:35, <andrew.coop...@citrix.com> wrote: >> + /* Fast-forward bits - Must be set. */ >> + if (ecx & cpufeat_mask(X86_FEATURE_XSAVE)) >> + ecx |= cpufeat_mask(X86_FEATURE_OSXSAVE); > Wouldn't you think it would be better to also handle PKU/OSPKE > here, just in case AMD decides to implement this? Because if they > do, we will expose the feature no matter that this code is not > ready for it. > > Either way, > Reviewed-by: Jan Beulich <jbeul...@suse.com>
OSPKE is in ecx. The AMD mask registers cover eax and ebx. ~Andrew _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel
