Symbol: WITNESS_UPGRADE
sys/kern/kern_lock.c
1012
WITNESS_UPGRADE(&lk->lock_object, LOP_EXCLUSIVE |
sys/kern/kern_rwlock.c
1360
WITNESS_UPGRADE(&rw->lock_object, LOP_EXCLUSIVE | LOP_TRYLOCK,
sys/kern/kern_sx.c
457
WITNESS_UPGRADE(&sx->lock_object, LOP_EXCLUSIVE | LOP_TRYLOCK,