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: default avatarSteven Rostedt (VMware) <rostedt@goodmis.org>
parent 681bec03
...@@ -119,6 +119,7 @@ ftrace_func_t ftrace_ops_get_func(struct ftrace_ops *ops); ...@@ -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 * for any of the functions that this ops will be registered for, then
* this ops will fail to register or set_filter_ip. * this ops will fail to register or set_filter_ip.
* PID - Is affected by set_ftrace_pid (allows filtering on those pids) * 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 { enum {
FTRACE_OPS_FL_ENABLED = 1 << 0, FTRACE_OPS_FL_ENABLED = 1 << 0,
......
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