X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=src%2Fbin%2Flttng-sessiond%2Ftrace-ust.c;h=339148ae9cdb8fa8da1121bd39d335b5f2b89141;hb=4da703adb0f81a257f97f37008d39e89fd400902;hp=1f6fd52736abe4f8abde125fdc092601d491ec46;hpb=a9e410447d26fdc9aba52718b4f9d698f9867fc6;p=lttng-tools.git

diff --git a/src/bin/lttng-sessiond/trace-ust.c b/src/bin/lttng-sessiond/trace-ust.c
index 1f6fd5273..339148ae9 100644
--- a/src/bin/lttng-sessiond/trace-ust.c
+++ b/src/bin/lttng-sessiond/trace-ust.c
@@ -202,6 +202,9 @@ error:
 /*
  * Lookup an agent in the session agents hash table by domain type and return
  * the object if found else NULL.
+ *
+ * RCU read side lock must be acquired before calling and only released
+ * once the agent is no longer in scope or being used.
  */
 struct agent *trace_ust_find_agent(struct ltt_ust_session *session,
 		enum lttng_domain_type domain_type)