1 files changed, 4 insertions, 0 deletions

diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index 490698590d6e..5d0266d94985 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -631,6 +631,9 @@ struct swevent_hlist {
         struct rcu_head         rcu_head;
 };
 
+#define PERF_ATTACH_CONTEXT     0x01
+#define PERF_ATTACH_GROUP       0x02
+
 /**
  * struct perf_event - performance event kernel representation:
  */
@@ -646,6 +649,7 @@ struct perf_event {
         const struct pmu                *pmu;
 
         enum perf_event_active_state    state;
+        unsigned int                    attach_state;
         atomic64_t                      count;
 
         /*