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Commit 0fe7e7e3 authored by Steven Rostedt (VMware)'s avatar Steven Rostedt (VMware)
Browse files

ftrace: Remove unused unregister_ftrace_function_probe() function



Nothing calls unregister_ftrace_function_probe(). Remove it as well as the
flag PROBE_TEST_DATA, as this function was the only one to set it.

Signed-off-by: default avatarSteven Rostedt (VMware) <rostedt@goodmis.org>
parent fe014e24
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+3 −15
Original line number Diff line number Diff line
@@ -4061,12 +4061,11 @@ register_ftrace_function_probe(char *glob, struct ftrace_probe_ops *ops,

enum {
	PROBE_TEST_FUNC		= 1,
	PROBE_TEST_DATA		= 2
};

static void
__unregister_ftrace_function_probe(char *glob, struct ftrace_probe_ops *ops,
				  void *data, int flags)
				   int flags)
{
	struct ftrace_ops_hash old_hash_ops;
	struct ftrace_func_entry *rec_entry;
@@ -4119,9 +4118,6 @@ __unregister_ftrace_function_probe(char *glob, struct ftrace_probe_ops *ops,
			if ((flags & PROBE_TEST_FUNC) && entry->ops != ops)
				continue;

			if ((flags & PROBE_TEST_DATA) && entry->data != data)
				continue;

			/* do this last, since it is the most expensive */
			if (func_g.search) {
				kallsyms_lookup(entry->ip, NULL, NULL,
@@ -4166,23 +4162,15 @@ __unregister_ftrace_function_probe(char *glob, struct ftrace_probe_ops *ops,
	free_ftrace_hash(hash);
}

void
unregister_ftrace_function_probe(char *glob, struct ftrace_probe_ops *ops,
				void *data)
{
	__unregister_ftrace_function_probe(glob, ops, data,
					  PROBE_TEST_FUNC | PROBE_TEST_DATA);
}

void
unregister_ftrace_function_probe_func(char *glob, struct ftrace_probe_ops *ops)
{
	__unregister_ftrace_function_probe(glob, ops, NULL, PROBE_TEST_FUNC);
	__unregister_ftrace_function_probe(glob, ops, PROBE_TEST_FUNC);
}

void unregister_ftrace_function_probe_all(char *glob)
{
	__unregister_ftrace_function_probe(glob, NULL, NULL, 0);
	__unregister_ftrace_function_probe(glob, NULL, 0);
}

static LIST_HEAD(ftrace_commands);
+0 −3
Original line number Diff line number Diff line
@@ -964,9 +964,6 @@ extern int
register_ftrace_function_probe(char *glob, struct ftrace_probe_ops *ops,
			      void *data);
extern void
unregister_ftrace_function_probe(char *glob, struct ftrace_probe_ops *ops,
				void *data);
extern void
unregister_ftrace_function_probe_func(char *glob, struct ftrace_probe_ops *ops);
extern void unregister_ftrace_function_probe_all(char *glob);