removed_sources:
  userspace-rcu-0.6.7.tar.bz2: ff77001c7063c40e28a65840584740803b34730b
  userspace-rcu-0.8.1.tar.bz2: d927520727a103f86aa2f87c76b1ca0df90fbfed
  userspace-rcu-0.8.6.tar.bz2: f10e9bf812557cd0c2a35a277e04010ec278d25d
sources:
  userspace-rcu-0.9.1.tar.bz2: ca1b603655c3c5bf5d5b6254117999e3ae5f6751