tag	line	file	source code
REALLY_SLOW_IO	61	kernel/blk_drv/floppy.c	#define REALLY_SLOW_IO
REALLY_SLOW_IO	33	kernel/blk_drv/hd.c	#define REALLY_SLOW_IO
REALLY_SLOW_IO	38	kernel/chr_drv/keyboard.c	#define REALLY_SLOW_IO