Lock dependency engine debugging

configname: CONFIG_DEBUG_LOCKDEP

Linux Kernel Configuration
└─>Lock Debugging (spinlocks, mutexes, etc...)
└─>Lock dependency engine debugging
In linux kernel since version 2.6.18 (release Date: 2006-09-19)  
If you say Y here, the lock dependency engine will do
additional runtime checks to debug itself, at the price
of more runtime overhead.