Messages in this thread | | | Date | Tue, 12 May 2015 15:57:53 -0700 | From | "Paul E. McKenney" <> | Subject | [PATCH tip/core/rcu 0/13] Torture-test updates for 4.2 |
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Hello!
This series contains torture-test updates:
1. Use correct locking primitive, thus avoiding deadlock, courtesy of Alexey Kodanev.
2. Exchange TREE03 and TREE04 geometries in order to improve bug-location rates.
3. Exchange TREE03 and TREE08 NR_CPUS, speed up CPU hotplug to further improve bug-location rates.
4. Allow negative values of nreaders to in order to oversubscribe the CPUs, again to improve bug-location rates.
5. Change longdelay_us to longdelay_ms in order to better reflect reality. (Not that gcc cares, but people reading the code just might.)
6. Replace open-coded memory barriers with the shiny new smp_store_release() and smp_load_acquire() primitives.
7. Test SRCU cleanup code path in order to improve test coverage.
8. Avoid explicitly setting CONFIG_TASKS_RCU, given that it is now set implicitly based on other configuration options.
9. Update configuration fragments from CONFIG_RCU_FANOUT_EXACT to the new rcutree.rcu_fanout_exact= boot parameter.
10. Make rcutorture scripts force RCU_EXPERT so that they can still build the needed kernel configurations.
11. Update TREE_RCU-kconfig.txt to describe new kernel-parameter setup.
12. Make torture scripts display "make oldconfig" errors
13. Allow repetition factors in Kconfig-fragment lists. Because typing 48 repetitions of "TINY02" is getting old.
Thanx, Paul
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b/kernel/locking/locktorture.c | 14 - b/kernel/rcu/rcutorture.c | 103 ++++++---- b/tools/testing/selftests/rcutorture/bin/configinit.sh | 2 b/tools/testing/selftests/rcutorture/bin/kvm-recheck.sh | 4 b/tools/testing/selftests/rcutorture/bin/kvm.sh | 25 +- b/tools/testing/selftests/rcutorture/configs/rcu/SRCU-N | 1 b/tools/testing/selftests/rcutorture/configs/rcu/SRCU-P | 1 b/tools/testing/selftests/rcutorture/configs/rcu/SRCU-P.boot | 2 b/tools/testing/selftests/rcutorture/configs/rcu/TASKS01 | 5 b/tools/testing/selftests/rcutorture/configs/rcu/TASKS02 | 1 b/tools/testing/selftests/rcutorture/configs/rcu/TASKS03 | 2 b/tools/testing/selftests/rcutorture/configs/rcu/TINY02 | 2 b/tools/testing/selftests/rcutorture/configs/rcu/TREE01 | 1 b/tools/testing/selftests/rcutorture/configs/rcu/TREE02 | 2 b/tools/testing/selftests/rcutorture/configs/rcu/TREE02-T | 1 b/tools/testing/selftests/rcutorture/configs/rcu/TREE03 | 8 b/tools/testing/selftests/rcutorture/configs/rcu/TREE03.boot | 1 b/tools/testing/selftests/rcutorture/configs/rcu/TREE04 | 8 b/tools/testing/selftests/rcutorture/configs/rcu/TREE05 | 4 b/tools/testing/selftests/rcutorture/configs/rcu/TREE06 | 4 b/tools/testing/selftests/rcutorture/configs/rcu/TREE06.boot | 1 b/tools/testing/selftests/rcutorture/configs/rcu/TREE07 | 4 b/tools/testing/selftests/rcutorture/configs/rcu/TREE08 | 6 b/tools/testing/selftests/rcutorture/configs/rcu/TREE08-T | 1 b/tools/testing/selftests/rcutorture/configs/rcu/TREE08-T.boot | 1 b/tools/testing/selftests/rcutorture/configs/rcu/TREE08.boot | 1 b/tools/testing/selftests/rcutorture/configs/rcu/TREE09 | 1 b/tools/testing/selftests/rcutorture/doc/TREE_RCU-kconfig.txt | 36 +-- 28 files changed, 148 insertions(+), 94 deletions(-)
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