1. 04dce7d spinlock: Add missing __raw_spin_lock_flags() stub for UP by Benjamin Herrenschmidt · 15 years ago
  2. 95c354f spinlock: lockbreak cleanup by Nick Piggin · 17 years ago
  3. 8a25d5d [PATCH] lockdep: prove spinlock rwlock locking correctness by Ingo Molnar · 18 years ago
  4. fb1c8f9 [PATCH] spinlock consolidation by Ingo Molnar · 19 years ago