On Fri, Mar 27, 2015 at 09:32:10AM +0100, Roger Pau Monné wrote: > El 27/03/15 a les 0.33, Luis R. Rodriguez ha escrit: > > From: "Luis R. Rodriguez" <mcg...@suse.com> > > > > Commit 586ab6a by Roger disabled the main MTRR CPU feature > > on the cpuid when on pvh in order to avoid having MTRR code > > run on the OS on dom0. This missed the fact that not all CPUs > > use this cpuid to identify MTRR support, this complets that. > > > > This could in theory fix some potential issues where MTRR > > code was previously enabled, for instance running cat /proc/mtrr > > on a Linux system where MTRR was actually disabled. > > AFAICT we will never support PVH on those CPU types, so I'm not sure if > it's worth disabling it. AMD K6, Centaur and VIA chips don't have the > necessary hardware extensions to allow running PVH guests.
Great, should this be annotated? Luis _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel
