1 files changed, 2 insertions, 0 deletions

diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index 13a1eb3a2a2d..f936a1e51f29 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -176,6 +176,7 @@ struct perf_event;
 #define PERF_PMU_CAP_NO_NMI                     0x02
 #define PERF_PMU_CAP_AUX_NO_SG                  0x04
 #define PERF_PMU_CAP_AUX_SW_DOUBLEBUF           0x08
+#define PERF_PMU_CAP_EXCLUSIVE                  0x10
 
 /**
  * struct pmu - generic performance monitoring unit
@@ -196,6 +197,7 @@ struct pmu {
 
         int * __percpu                  pmu_disable_count;
         struct perf_cpu_context * __percpu pmu_cpu_context;
+        atomic_t                        exclusive_cnt; /* < 0: cpu; > 0: tsk */
         int                             task_ctx_nr;
         int                             hrtimer_interval_ms;