On Tue, Oct 06, 2015 at 09:45:14AM -0700, Paul E. McKenney wrote: > Hello! > > This series contains performance improvements and locktorture testing > for percpu-rwsem: > > 1. Add rtmutex torturing to locktorture, courtesy of Davidlohr Bueso. > > 2. Add exports to allow locktorture to be built as a module. > > 3. Add torture tests for percpu-rwsem. > > 4. Consolidate cond_resched_rcu_qs() into stutter_wait(). > > 5. Create rcu_sync infrastructure, courtesy of Oleg Nesterov. > > 6. Simplify rcu_sync using new rcu_sync_ops structure, courtesy > of Oleg Nesterov. > > 7. Add CONFIG_PROVE_RCU checks for rcu_sync, courtesy of Oleg Nesterov. > > 8. Introduce rcu_sync_dtor(), courtesy of Oleg Nesterov. > > 9. Make percpu_free_rwsem() after kzalloc() safe, courtesy of Oleg > Nesterov. > > 10. Make percpu-rwsem make use of rcu_sync, courtesy of Oleg Nesterov. > > 11. Fix the comments outdated by rcu_sync, courtesy of Oleg Nesterov. > > 12. Clean up the lockdep annotations in percpu_down_read(), courtesy > Peter Zijlstra and of Oleg Nesterov. > > 13. Cleanup the CONFIG_PROVE_RCU checks, courtesy of Oleg Nesterov.
For all 13: Reviewed-by: Josh Triplett <[email protected]> Regarding the rcu_sync infrastructure: odd that an atomic read on the reader proves ligher weight than rcu_read_lock()/rcu_read_unlock(). -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
