perf/core, x86: Remove duplicate perf_event_mask variable
The same information is stored also in x86_pmu.intel_ctrl. This patch removes perf_event_mask and instead uses x86_pmu.intel_ctrl directly. Signed-off-by: NRobert Richter <robert.richter@amd.com> Cc: Stephane Eranian <eranian@google.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> LKML-Reference: <1268826553-19518-5-git-send-email-robert.richter@amd.com> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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