x86/intel_rdt: Disable PMU access
Peter is objecting to the direct PMU access in RDT. Right now the PMU usage is broken anyway as it is not coordinated with perf. Until this discussion settled, disable the PMU mechanics by simply rejecting the type '2' measurement in the resctrl file. Reported-by:Peter Zijlstra <peterz@infradead.org> Signed-off-by:
Thomas Gleixner <tglx@linutronix.de> Cc: Reinette Chatre <reinette.chatre@intel.com> Cc: Dave Hansen <dave.hansen@intel.com> Cc: fenghua.yu@intel.com Cc: tony.luck@intel.com Cc: vikas.shivappa@linux.intel.com CC: gavin.hindman@intel.com Cc: jithu.joseph@intel.com Cc: hpa@zytor.com
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