1. 32cf7c3 locking: Move the percpu-rwsem code to kernel/locking/ by Peter Zijlstra · 11 years ago[Renamed from lib/percpu-rwsem.c]
  2. 8ebe347 percpu_rw_semaphore: add lockdep annotations by Oleg Nesterov · 12 years ago
  3. 9390ef0 percpu_rw_semaphore: kill ->writer_mutex, add ->write_ctr by Oleg Nesterov · 12 years ago
  4. a1fd3e2 percpu_rw_semaphore: reimplement to not block the readers unnecessarily by Oleg Nesterov · 12 years ago