---

yaml
---
r: 300293
b: refs/heads/master
c: 9b63776
h: refs/heads/master
i:
  300291: d43241f
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 20d23aaa31da295378abff4272716e3dfc72baf0
+refs/heads/master: 9b63776fa3ca96c4ecda76f6fa947b7b0add66ac

trunk/include/linux/ftrace_event.h

@@ -179,6 +179,7 @@ enum {
 	TRACE_EVENT_FL_RECORDED_CMD_BIT,
 	TRACE_EVENT_FL_CAP_ANY_BIT,
 	TRACE_EVENT_FL_NO_SET_FILTER_BIT,
+	TRACE_EVENT_FL_IGNORE_ENABLE_BIT,
 };
 
 enum {
@@ -187,6 +188,7 @@ enum {
 	TRACE_EVENT_FL_RECORDED_CMD	= (1 << TRACE_EVENT_FL_RECORDED_CMD_BIT),
 	TRACE_EVENT_FL_CAP_ANY		= (1 << TRACE_EVENT_FL_CAP_ANY_BIT),
 	TRACE_EVENT_FL_NO_SET_FILTER	= (1 << TRACE_EVENT_FL_NO_SET_FILTER_BIT),
+	TRACE_EVENT_FL_IGNORE_ENABLE	= (1 << TRACE_EVENT_FL_IGNORE_ENABLE_BIT),
 };
 
 struct ftrace_event_call {

trunk/kernel/trace/trace_events.c

@@ -294,6 +294,9 @@ static int __ftrace_set_clr_event(const char *match, const char *sub,
 		if (!call->name || !call->class || !call->class->reg)
 			continue;
 
+		if (call->flags & TRACE_EVENT_FL_IGNORE_ENABLE)
+			continue;
+
 		if (match &&
 		    strcmp(match, call->name) != 0 &&
 		    strcmp(match, call->class->system) != 0)
@@ -1164,7 +1167,7 @@ event_create_dir(struct ftrace_event_call *call, struct dentry *d_events,
 		return -1;
 	}
 
-	if (call->class->reg)
+	if (call->class->reg && !(call->flags & TRACE_EVENT_FL_IGNORE_ENABLE))
 		trace_create_file("enable", 0644, call->dir, call,
 				  enable);
 

trunk/kernel/trace/trace_export.c

@@ -180,6 +180,7 @@ struct ftrace_event_call __used event_##call = {			\
 	.event.type		= etype,				\
 	.class			= &event_class_ftrace_##call,		\
 	.print_fmt		= print,				\
+	.flags			= TRACE_EVENT_FL_IGNORE_ENABLE,		\
 };									\
 struct ftrace_event_call __used						\
 __attribute__((section("_ftrace_events"))) *__event_##call = &event_##call;