[GIT PULL] locktorture changes for v6.4

[Paul E. McKenney]

Hello, Linus,

Once the v6.4 merge window opens, please pull these locktorture changes
from:

  git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git tags/locktorture.2023.04.04a
  # HEAD: 5d65cf6ae6aea1a8d533d4499201a13d0068a0dc: locktorture: Add raw_spinlock* torture tests for PREEMPT_RT kernels (2023-03-07 10:13:57 -0800)

----------------------------------------------------------------
locktorture updates for v6.4

This update adds tests for nested locking and also adds support for
testing raw spinlocks in PREEMPT_RT kernels.

----------------------------------------------------------------
John Stultz (4):
      locktorture: Add nested_[un]lock() hooks and nlocks parameter
      locktorture: Add nested locking to mutex torture tests
      locktorture: Add nested locking to rtmutex torture tests
      locktorture: With nested locks, occasionally skip main lock

Zqiang (1):
      locktorture: Add raw_spinlock* torture tests for PREEMPT_RT kernels

 kernel/locking/locktorture.c                       | 188 +++++++++++++++++++--
 .../selftests/rcutorture/configs/lock/CFLIST       |   2 +
 .../selftests/rcutorture/configs/lock/LOCK08       |   6 +
 .../selftests/rcutorture/configs/lock/LOCK08.boot  |   1 +
 .../selftests/rcutorture/configs/lock/LOCK09       |   6 +
 .../selftests/rcutorture/configs/lock/LOCK09.boot  |   1 +
 6 files changed, 188 insertions(+), 16 deletions(-)
 create mode 100644 tools/testing/selftests/rcutorture/configs/lock/LOCK08
 create mode 100644 tools/testing/selftests/rcutorture/configs/lock/LOCK08.boot
 create mode 100644 tools/testing/selftests/rcutorture/configs/lock/LOCK09
 create mode 100644 tools/testing/selftests/rcutorture/configs/lock/LOCK09.boot