[tip/core/rcu,0/5] Realtime-related RCU updates for v5.13
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Message ID 20210304002919.GA24003@paulmck-ThinkPad-P72
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  • Realtime-related RCU updates for v5.13
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Paul E. McKenney March 4, 2021, 12:29 a.m. UTC

These commits are related to RCU's realtime support, including better
testing preemption, improving testing of RCU priority boosting, and
ensuring that at least one rcutorture scenario tests use_softirq=0.

1.	Expedite deboost in case of deferred quiescent state.

2.	Make TREE03 use real-time tree.use_softirq setting.

3.	Fix testing of RCU priority boosting.

4.	Make rcu_read_unlock_special() expedite strict grace periods.

5.	Make jitter.sh handle large systems.

						Thanx, Paul


 kernel/rcu/rcutorture.c                                    |   36 +++++++------
 kernel/rcu/tree_plugin.h                                   |   27 +++++----
 tools/testing/selftests/rcutorture/bin/jitter.sh           |    8 +-
 tools/testing/selftests/rcutorture/configs/rcu/TREE03.boot |    1 
 4 files changed, 42 insertions(+), 30 deletions(-)