perf/x86: Use common PMU interrupt disabled code
Make the x86 perf code use the new common PMU interrupt disabled code. Typically most x86 machines have working PMU interrupts, although some older p6-class machines had this problem. Signed-off-by: NVince Weaver <vincent.weaver@maine.edu> Signed-off-by: NPeter Zijlstra <peterz@infradead.org> Cc: Arnaldo Carvalho de Melo <acme@kernel.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Link: http://lkml.kernel.org/r/alpine.DEB.2.10.1405161715560.11099@vincent-weaver-1.umelst.maine.eduSigned-off-by: NIngo Molnar <mingo@kernel.org>
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