Messages in this thread | | | From | Kyle Huey <> | Date | Thu, 15 Sep 2016 12:11:53 -0700 | Subject | Re: [Xen-devel] [PATCH v2 2/3] x86 Test and expose CPUID faulting capabilities in /proc/cpuinfo |
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On Thu, Sep 15, 2016 at 3:25 AM, Jan Beulich <JBeulich@suse.com> wrote: >>>> On 15.09.16 at 12:05, <david.vrabel@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
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