ftrace: Add missing comment for FTRACE_OPS_FL_RCU

All the enum flags for FTRACE_OPS has a comment except for the RCU one. Add the comment for that. Signed-off-by: Steven Rostedt (VMware) <[email protected]>
CamonZ · Jun 21, 2017 · d0ba52f · d0ba52f
1 parent 681bec0
commit d0ba52f
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h
@@ -119,6 +119,7 @@ ftrace_func_t ftrace_ops_get_func(struct ftrace_ops *ops);
  *            for any of the functions that this ops will be registered for, then
  *            this ops will fail to register or set_filter_ip.
  * PID     - Is affected by set_ftrace_pid (allows filtering on those pids)
+ * RCU     - Set when the ops can only be called when RCU is watching.
  */
 enum {
 	FTRACE_OPS_FL_ENABLED			= 1 << 0,