CONFIG_HARDLOCKUP_DETECTOR (not configurable)

modulename: watchdog.ko

and/or

watchdog_hld.ko

configname: CONFIG_HARDLOCKUP_DETECTOR

Linux Kernel Configuration
└─>HARDLOCKUP_DETECTOR
In linux kernel since version 2.6.36 (release Date: 2010-10-20)  
selects

CONFIG_LOCKUP_DETECTOR
CONFIG_HARDLOCKUP_DETECTOR_PERF
CONFIG_HARDLOCKUP_DETECTOR_ARCH