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ftrace: Remove unused unregister_ftrace_function_probe() function

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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: Steven Rostedt (VMware) <rostedt@goodmis.org>
This commit is contained in:
Steven Rostedt (VMware) 2017-04-04 09:56:26 -04:00
parent fe014e24b6
commit 0fe7e7e3f8
2 changed files with 3 additions and 18 deletions
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18
kernel/trace/ftrace.c
View File

@ -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);

3
kernel/trace/trace.h
View File

@ -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);