TTY_LOCK_SLAVE 404 drivers/tty/pty.c lockdep_set_subclass(&o_tty->termios_rwsem, TTY_LOCK_SLAVE); TTY_LOCK_SLAVE 603 drivers/tty/tty_buffer.c lockdep_set_subclass(&port->buf.lock, TTY_LOCK_SLAVE); TTY_LOCK_SLAVE 59 drivers/tty/tty_mutex.c lockdep_set_subclass(&tty->legacy_mutex, TTY_LOCK_SLAVE);