040000 tree 671d289f7c9761d23f7ea5370cffd47eb88c3f2a	cmpxchg-local
040000 tree 7d11b81315cf7c24ab85551aab8fae45872a3a63	lockdep
040000 tree 3ad876e6ba972227f492d9b9d14355d4beeafe8b	queued-rwlocks
040000 tree df1b3002b1d2a28b9db7a4f1f73b17d3e38d8385	queued-spinlocks