register_ftrace_function_nolock
static int register_ftrace_function_nolock(struct ftrace_ops *ops);
err = register_ftrace_function_nolock(ops);
err = register_ftrace_function_nolock(&tmp_ops);
err = register_ftrace_function_nolock(ops);
err = register_ftrace_function_nolock(&tmp_ops);
ret = register_ftrace_function_nolock(ops);