x86/intel_rdt: Enable CMT and MBM on new Skylake stepping
commit 1d9f3e20 upstream. New stepping of Skylake has fixes for cache occupancy and memory bandwidth monitoring. Update the code to enable these by default on newer steppings. Signed-off-by: Tony Luck <tony.luck@intel.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Fenghua Yu <fenghua.yu@intel.com> Cc: stable@vger.kernel.org # v4.14 Cc: Vikas Shivappa <vikas.shivappa@linux.intel.com> Link: https://lkml.kernel.org/r/20180608160732.9842-1-tony.luck@intel.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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