tag	line	file	source code
routine	866	drivers/char/keyboard.c	bh_base[KEYBOARD_BH].routine = kbd_bh;
routine	2010	drivers/char/serial.c	bh_base[SERIAL_BH].routine = do_softint;
routine	1816	drivers/char/tty_io.c	bh_base[TTY_BH].routine = tty_bh_routine;
routine	6	include/linux/interrupt.h	void (*routine)(void *);
routine	103	kernel/irq.c	fn = bh->routine;
routine	336	kernel/irq.c	bh_base[i].routine = NULL;
routine	805	kernel/sched.c	bh_base[TIMER_BH].routine = timer_bh;
routine	1885	net/inet/sock.c	bh_base[INET_BH].routine = inet_bh;