Messages in this thread | | | Date | Mon, 13 Nov 2017 08:13:37 +0100 | From | Ingo Molnar <> | Subject | [GIT PULL] RCU updates for v4.15 |
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Linus,
Please pull the latest core-rcu-for-linus git tree from:
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git core-rcu-for-linus
# HEAD: 72bc286b81d21404cdfecddf76b64c7163aac764 Merge branch 'for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu into core/rcu
The main changes in this cycle are:
- Documentation updates - RCU CPU stall-warning updates - Torture-test updates - Miscellaneous fixes
Size wise the biggest updates are to documentation. Excluding documentation the diffstat becomes:
18 files changed, 205 insertions(+), 79 deletions(-)
... and most of the code increase comes from a single commit which expands debugging:
9b9500da8150: rcu: Make RCU CPU stall warnings check for irq-disabled CPUs
Thanks,
Ingo
------------------> Alan Stern (1): memory-barriers: Rework multicopy-atomicity section
Guilherme G. Piccoli (1): doc: Rewrite confusing statement about memory barriers
Neeraj Upadhyay (1): rcu: Fix up pending cbs check in rcu_prepare_for_idle
Paul E. McKenney (18): documentation: RCU grace-period memory ordering guarantees documentation: Long-running irq handlers can stall RCU grace periods documentation: Slow systems can stall RCU grace periods documentation: Update RCU CPU stall warning messages memory-barriers: Replace uses of "transitive" rcu: Create call_rcu_tasks() kthread at boot time irq_work: Map irq_work_on_queue() to irq_work_on() in !SMP sched: Make resched_cpu() unconditional sched,rcu: Make cond_resched() provide RCU quiescent state rcu: Make RCU CPU stall warnings check for irq-disabled CPUs rcu: Turn off tracing before dumping trace rcu: Suppress RCU CPU stall warnings while dumping trace rcutorture: Add interrupt-disable capability to stall-warning tests rcutorture: Dump writer stack if stalled torture: Provide TMPDIR environment variable to specify tmpdir rcu: Suppress lockdep false-positive ->boost_mtx complaints rcu: Add extended-quiescent-state testing advice srcu: Add parameters to SRCU docbook comments
Scott Tsai (1): memory-barriers.txt: Fix typo in pairing example
Sebastian Andrzej Siewior (2): rcu: Do not include rtmutex_common.h unconditionally rcu/segcblist: Include rcupdate.h
.../Design/Memory-Ordering/Tree-RCU-Diagram.html | 9 + .../Memory-Ordering/Tree-RCU-Memory-Ordering.html | 707 +++ .../TreeRCU-callback-invocation.svg | 486 ++ .../Memory-Ordering/TreeRCU-callback-registry.svg | 655 +++ .../RCU/Design/Memory-Ordering/TreeRCU-dyntick.svg | 700 +++ .../Design/Memory-Ordering/TreeRCU-gp-cleanup.svg | 1126 +++++ .../RCU/Design/Memory-Ordering/TreeRCU-gp-fqs.svg | 1309 +++++ .../Design/Memory-Ordering/TreeRCU-gp-init-1.svg | 656 +++ .../Design/Memory-Ordering/TreeRCU-gp-init-2.svg | 656 +++ .../Design/Memory-Ordering/TreeRCU-gp-init-3.svg | 632 +++ .../RCU/Design/Memory-Ordering/TreeRCU-gp.svg | 5135 ++++++++++++++++++++ .../RCU/Design/Memory-Ordering/TreeRCU-hotplug.svg | 775 +++ .../RCU/Design/Memory-Ordering/TreeRCU-qs.svg | 1095 +++++ .../RCU/Design/Memory-Ordering/rcu_node-lock.svg | 229 + Documentation/RCU/stallwarn.txt | 200 +- Documentation/admin-guide/kernel-parameters.txt | 3 + Documentation/memory-barriers.txt | 197 +- include/linux/irq_work.h | 3 - kernel/irq_work.c | 9 +- kernel/rcu/rcu.h | 21 +- kernel/rcu/rcu_segcblist.c | 1 + kernel/rcu/rcutorture.c | 24 +- kernel/rcu/tree.c | 159 +- kernel/rcu/tree.h | 5 + kernel/rcu/tree_plugin.h | 14 +- kernel/rcu/update.c | 25 +- kernel/sched/core.c | 5 +- .../selftests/rcutorture/bin/config_override.sh | 2 +- .../selftests/rcutorture/bin/configcheck.sh | 2 +- .../testing/selftests/rcutorture/bin/configinit.sh | 2 +- .../testing/selftests/rcutorture/bin/kvm-build.sh | 2 +- .../selftests/rcutorture/bin/kvm-test-1-run.sh | 2 +- tools/testing/selftests/rcutorture/bin/kvm.sh | 4 +- .../selftests/rcutorture/bin/parse-build.sh | 2 +- .../selftests/rcutorture/bin/parse-torture.sh | 2 +- 35 files changed, 14598 insertions(+), 256 deletions(-) create mode 100644 Documentation/RCU/Design/Memory-Ordering/Tree-RCU-Diagram.html create mode 100644 Documentation/RCU/Design/Memory-Ordering/Tree-RCU-Memory-Ordering.html create mode 100644 Documentation/RCU/Design/Memory-Ordering/TreeRCU-callback-invocation.svg create mode 100644 Documentation/RCU/Design/Memory-Ordering/TreeRCU-callback-registry.svg create mode 100644 Documentation/RCU/Design/Memory-Ordering/TreeRCU-dyntick.svg create mode 100644 Documentation/RCU/Design/Memory-Ordering/TreeRCU-gp-cleanup.svg create mode 100644 Documentation/RCU/Design/Memory-Ordering/TreeRCU-gp-fqs.svg create mode 100644 Documentation/RCU/Design/Memory-Ordering/TreeRCU-gp-init-1.svg create mode 100644 Documentation/RCU/Design/Memory-Ordering/TreeRCU-gp-init-2.svg create mode 100644 Documentation/RCU/Design/Memory-Ordering/TreeRCU-gp-init-3.svg create mode 100644 Documentation/RCU/Design/Memory-Ordering/TreeRCU-gp.svg create mode 100644 Documentation/RCU/Design/Memory-Ordering/TreeRCU-hotplug.svg create mode 100644 Documentation/RCU/Design/Memory-Ordering/TreeRCU-qs.svg create mode 100644 Documentation/RCU/Design/Memory-Ordering/rcu_node-lock.svg
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