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Subject[PATCH tip/core/rcu 0/18] Torture-test updates for v5.7
Hello!

This series contains torture-test updates.

1. Suppress forward-progress complaints during early boot.

2. Make results-directory date format completion-friendly.

3. Refrain from callback flooding during boot.

4. Forgive -EBUSY from boottime CPU-hotplug operations.

5. Allow boottime stall warnings to be suppressed.

6. Suppress boottime bad-sequence warnings.

7. Allow disabling of boottime CPU-hotplug torture operations.

8. Add 100-CPU configuration.

9. Summarize summary of build and run results.

10. Make kvm-find-errors.sh abort on bad directory.

11. Fix rcu_torture_one_read()/rcu_torture_writer() data race.

12. Fix stray access to rcu_fwd_cb_nodelay.

13. Add READ_ONCE() to rcu_torture_count and rcu_torture_batch.

14. Annotation lockless accesses to rcu_torture_current.

15. Measure memory footprint during kfree_rcu() test.

16. Make rcu_torture_barrier_cbs() post from corresponding CPU.

17. Manually clean up after rcu_barrier() failure.

18. Set KCSAN Kconfig options to detect more data races.

Thanx, Paul

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

Documentation/admin-guide/kernel-parameters.txt | 10 +
include/linux/rcutiny.h | 1
include/linux/rcutree.h | 1
kernel/rcu/rcu.h | 17 +++
kernel/rcu/rcuperf.c | 14 ++
kernel/rcu/rcutorture.c | 73 ++++++++++----
kernel/rcu/tree_exp.h | 9 +
kernel/rcu/tree_stall.h | 6 -
kernel/rcu/update.c | 20 +++
kernel/torture.c | 29 ++++-
tools/testing/selftests/rcutorture/bin/kvm-find-errors.sh | 2
tools/testing/selftests/rcutorture/bin/kvm-recheck.sh | 17 +++
tools/testing/selftests/rcutorture/bin/kvm.sh | 2
tools/testing/selftests/rcutorture/configs/rcu/CFcommon | 2
tools/testing/selftests/rcutorture/configs/rcu/TREE10 | 18 +++
15 files changed, 187 insertions(+), 34 deletions(-)

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