Hello! This series provides updates to the locktorture test suite: 1. Add nested_[un]lock() hooks and nlocks parameter, courtesy of John Stultz. 2. Add nested locking to mutex torture tests, courtesy of John Stultz. 3. Add nested locking to rtmutex torture tests, courtesy of John Stultz. 4. With nested locks, occasionally skip main lock, courtesy of John Stultz. 5. Add raw_spinlock* torture tests for PREEMPT_RT kernels, courtesy of Zqiang. Thanx, Paul ------------------------------------------------------------------------ b/kernel/locking/locktorture.c | 23 + b/tools/testing/selftests/rcutorture/configs/lock/CFLIST | 1 b/tools/testing/selftests/rcutorture/configs/lock/LOCK08 | 6 b/tools/testing/selftests/rcutorture/configs/lock/LOCK08.boot | 1 b/tools/testing/selftests/rcutorture/configs/lock/LOCK09 | 6 b/tools/testing/selftests/rcutorture/configs/lock/LOCK09.boot | 1 kernel/locking/locktorture.c | 163 +++++++++- tools/testing/selftests/rcutorture/configs/lock/CFLIST | 1 8 files changed, 187 insertions(+), 15 deletions(-)