x86/intel_rdt: Enable CMT and MBM on new Skylake stepping
authorTony Luck <tony.luck@intel.com>
Fri, 8 Jun 2018 16:07:32 +0000 (09:07 -0700)
committerThomas Gleixner <tglx@linutronix.de>
Sat, 9 Jun 2018 14:04:34 +0000 (16:04 +0200)
commit1d9f3e20a56d33e55748552aeec597f58542f92d
treed04fb94c7aa63b502938e7a33d2b6fc200b56a83
parenta07771ac6a78860777a9da5d9bc38830ec993fe7
x86/intel_rdt: Enable CMT and MBM on new Skylake stepping

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.com
arch/x86/kernel/cpu/intel_rdt.c