Hello,
kernel test robot noticed "WARNING:possible_recursive_locking_detected" on:
commit: bb043828b2d487832c946751ffcc4ebd80d2a624 ("[RFC PATCH]
locking/ww_mutex: Adjust to lockdep nest_lock requirements")
url:
https://github.com/intel-lab-lkp/linux/commits/Thom
When using mutex_acquire_nest() with a nest_lock, lockdep refcounts the
number of acquired lockdep_maps of mutexes of the same class, and also
keeps a pointer to the first acquired lockdep_map of a class. That pointer
is then used for various comparison-, printing- and checking purposes,
but there
