https://bugzilla.tianocore.org/show_bug.cgi?id=674 Add CPUID check to see if the CPU supports the Machine Check Architecture before accessing the Machine Check Architecture related MSRs. Cc: Eric Dong <eric.dong@intel.com> Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Michael Kinney <michael.d.kinney@intel.com> Reviewed-by: Eric Dong <eric.dong@intel.com>