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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

kernel/trace/ftrace.c

+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);

kernel/trace/trace.h

+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);