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-rw-r--r--kernel/trace/ftrace.c27
1 files changed, 4 insertions, 23 deletions
diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index 1fd4b9479210..4a54a25afa2f 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -4330,16 +4330,11 @@ static void ftrace_init_module(struct module *mod,
4330 ftrace_process_locs(mod, start, end); 4330 ftrace_process_locs(mod, start, end);
4331} 4331}
4332 4332
4333static int ftrace_module_notify_enter(struct notifier_block *self, 4333void ftrace_module_init(struct module *mod)
4334 unsigned long val, void *data)
4335{ 4334{
4336 struct module *mod = data; 4335 ftrace_init_module(mod, mod->ftrace_callsites,
4337 4336 mod->ftrace_callsites +
4338 if (val == MODULE_STATE_COMING) 4337 mod->num_ftrace_callsites);
4339 ftrace_init_module(mod, mod->ftrace_callsites,
4340 mod->ftrace_callsites +
4341 mod->num_ftrace_callsites);
4342 return 0;
4343} 4338}
4344 4339
4345static int ftrace_module_notify_exit(struct notifier_block *self, 4340static int ftrace_module_notify_exit(struct notifier_block *self,
@@ -4353,11 +4348,6 @@ static int ftrace_module_notify_exit(struct notifier_block *self,
4353 return 0; 4348 return 0;
4354} 4349}
4355#else 4350#else
4356static int ftrace_module_notify_enter(struct notifier_block *self,
4357 unsigned long val, void *data)
4358{
4359 return 0;
4360}
4361static int ftrace_module_notify_exit(struct notifier_block *self, 4351static int ftrace_module_notify_exit(struct notifier_block *self,
4362 unsigned long val, void *data) 4352 unsigned long val, void *data)
4363{ 4353{
@@ -4365,11 +4355,6 @@ static int ftrace_module_notify_exit(struct notifier_block *self,
4365} 4355}
4366#endif /* CONFIG_MODULES */ 4356#endif /* CONFIG_MODULES */
4367 4357
4368struct notifier_block ftrace_module_enter_nb = {
4369 .notifier_call = ftrace_module_notify_enter,
4370 .priority = INT_MAX, /* Run before anything that can use kprobes */
4371};
4372
4373struct notifier_block ftrace_module_exit_nb = { 4358struct notifier_block ftrace_module_exit_nb = {
4374 .notifier_call = ftrace_module_notify_exit, 4359 .notifier_call = ftrace_module_notify_exit,
4375 .priority = INT_MIN, /* Run after anything that can remove kprobes */ 4360 .priority = INT_MIN, /* Run after anything that can remove kprobes */
@@ -4403,10 +4388,6 @@ void __init ftrace_init(void)
4403 __start_mcount_loc, 4388 __start_mcount_loc,
4404 __stop_mcount_loc); 4389 __stop_mcount_loc);
4405 4390
4406 ret = register_module_notifier(&ftrace_module_enter_nb);
4407 if (ret)
4408 pr_warning("Failed to register trace ftrace module enter notifier\n");
4409
4410 ret = register_module_notifier(&ftrace_module_exit_nb); 4391 ret = register_module_notifier(&ftrace_module_exit_nb);
4411 if (ret) 4392 if (ret)
4412 pr_warning("Failed to register trace ftrace module exit notifier\n"); 4393 pr_warning("Failed to register trace ftrace module exit notifier\n");