ftrace_update_ops
ret = ftrace_update_ops(ops, filter_hash, notrace_hash);
ret = ftrace_update_ops(ops, filter_hash, notrace_hash);
ret = ftrace_update_ops(ops, filter_hash, notrace_hash);
err = ftrace_update_ops(ops, new_filter_hash, EMPTY_HASH);
err = ftrace_update_ops(ops, new_filter_hash, EMPTY_HASH);