]> xenbits.xensource.com Git - xen.git/commit
VMX: fix PAT value seen by guest
authorJan Beulich <jbeulich@suse.com>
Tue, 1 Apr 2014 14:49:18 +0000 (16:49 +0200)
committerJan Beulich <jbeulich@suse.com>
Tue, 1 Apr 2014 14:49:18 +0000 (16:49 +0200)
commitfce79f8ce91dc45f3a4d699ee67c49e6cbeb1197
treea3aa2bf86c44ab61352609a909324f0b2f11baeb
parent66c6349265d6536d0b77cd958ee3e5074e86233a
VMX: fix PAT value seen by guest

The XSA-60 fixes introduced a window during which the guest PAT gets
forced to all zeros. This shouldn't be visible to the guest. Therefore
we need to intercept PAT MSR accesses during that time period.

Signed-off-by: Jan Beulich <jbeulich@suse.com>
Reviewed-by: Liu Jinsong <jinsong.liu@intel.com>
xen/arch/x86/hvm/vmx/vmx.c