[PATCH rcu 0/12] Torture-test updates for v5.20

From: Paul E. McKenney
Date: Mon Jun 20 2022 - 19:00:05 EST


Hello!

This series provides torture-test updates, both C-language and scripting:

1. Make kvm-remote.sh announce which system is being waited on.

2. Change order of warning and trace dump, courtesy of Anna-Maria
Behnsen.

3. Simplify rcu_torture_read_exit_child() loop.

4. Fix memory leak in rcu_test_debug_objects(), courtesy of Zqiang.

5. Adjust to again produce debugging information.

6. Make failure indication note reader-batch overflow.

7. Fix smp_processor_id()-in-preemptible warnings, courtesy of
Zqiang.

8. Create kvm-check-branches.sh output in proper location.

9. Fix ksoftirqd boosting timing and iteration, courtesy of Frederic
Weisbecker.

10. Handle failure of memory allocation functions, courtesy of
Li Qiong.

11. Flush printk() buffers before powering off.

12. Convert test_lock spinlock to raw_spinlock, courtesy of Zqiang.

Thanx, Paul

------------------------------------------------------------------------

b/kernel/rcu/rcuscale.c | 1
b/kernel/rcu/rcutorture.c | 3
b/kernel/rcu/refscale.c | 18 +-
b/kernel/torture.c | 1
b/tools/testing/selftests/rcutorture/bin/kvm-check-branches.sh | 11 -
b/tools/testing/selftests/rcutorture/bin/kvm-remote.sh | 1
b/tools/testing/selftests/rcutorture/bin/kvm.sh | 6
kernel/rcu/rcutorture.c | 88 +++++-----
8 files changed, 65 insertions(+), 64 deletions(-)