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 Fix the comments outdated by rcu_sync, courtesy of Oleg Nesterov.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.
Thanx, Paul
------------------------------------------------------------------------
b/Documentation/locking/locktorture.txt | 3
b/include/linux/percpu-rwsem.h | 3
b/include/linux/rcu_sync.h | 168 ++++--
b/kernel/locking/locktorture.c | 158 +++++
b/kernel/locking/percpu-rwsem.c | 90 +--
b/kernel/rcu/Makefile | 2
b/kernel/rcu/rcutorture.c | 2
b/kernel/rcu/sync.c | 269 +++++++++-
b/kernel/torture.c | 1
b/tools/testing/selftests/rcutorture/configs/lock/CFLIST | 4
b/tools/testing/selftests/rcutorture/configs/lock/LOCK05 | 6
b/tools/testing/selftests/rcutorture/configs/lock/LOCK05.boot | 1
b/tools/testing/selftests/rcutorture/configs/lock/LOCK06 | 6
b/tools/testing/selftests/rcutorture/configs/lock/LOCK06.boot | 1
14 files changed, 588 insertions(+), 126 deletions(-)
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