1 files changed, 8 insertions, 6 deletions

diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index d7e8ea690864..ae6fa6050925 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -808,6 +808,12 @@ struct perf_event_context {
         struct rcu_head                 rcu_head;
 };
 
+/*
+ * Number of contexts where an event can trigger:
+ *      task, softirq, hardirq, nmi.
+ */
+#define PERF_NR_CONTEXTS        4
+
 /**
  * struct perf_event_cpu_context - per cpu event context structure
  */
@@ -821,12 +827,8 @@ struct perf_cpu_context {
         struct mutex                    hlist_mutex;
         int                             hlist_refcount;
 
-        /*
-         * Recursion avoidance:
-         *
-         * task, softirq, irq, nmi context
-         */
-        int                             recursion[4];
+        /* Recursion avoidance in each contexts */
+        int                             recursion[PERF_NR_CONTEXTS];
 };
 
 struct perf_output_handle {