KGDB_KDB: keyboard as input device

modulename: kdb_keyboard.ko

configname: CONFIG_KDB_KEYBOARD

Linux Kernel Configuration
└─>Kernel hacking
└─>Generic Kernel Debugging Instruments
└─>KGDB: kernel debugger
└─>KGDB_KDB: keyboard as input device
In linux kernel since version 2.6.35 (release Date: 2010-08-01)  
KDB can use a PS/2 type keyboard for an input device

source code: