040000 tree 14e870b54217931893b3c029b41f539d5950ceaf	cmpxchg-local
040000 tree dd40ac13e4e3455d41c5bf68c168204f80685228	lockdep
040000 tree d46bd038c94a962e8e836c63709e1e20800aa1b8	queued-rwlocks
040000 tree 3ac501e8d9a4b77bc312416bf1fbab1cdc540a2b	queued-spinlocks
040000 tree 9cb6483aa4e775e1450e5ec3861f12b19c5021de	rwsem-optimized