On Thu, Sep 15, 2016 at 3:25 AM, Jan Beulich <jbeul...@suse.com> wrote: >>>> On 15.09.16 at 12:05, <david.vra...@citrix.com> wrote: >> On 14/09/16 22:01, Kyle Huey wrote: >>> Xen advertises the underlying support for CPUID faulting but not does pass >>> through writes to the relevant MSR, nor does it virtualize it, so it does >>> not actually work. For now mask off the relevant bit on MSR_PLATFORM_INFO. >> >> Could you clarify in the commit message that it is PV guests that are >> affected. > > What makes you think HVM ones aren't?
Testing on EC2, HVM guests are affected as well. Not sure what to do about that. - Kyle
