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Message-ID: <20171113071337.lvoqa2idj7rtgv7n@gmail.com>
Date: Mon, 13 Nov 2017 08:13:37 +0100
From: Ingo Molnar <mingo@...nel.org>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: linux-kernel@...r.kernel.org,
"Paul E. McKenney" <paulmck@...ibm.com>,
Peter Zijlstra <a.p.zijlstra@...llo.nl>,
Thomas Gleixner <tglx@...utronix.de>,
Andrew Morton <akpm@...ux-foundation.org>
Subject: [GIT PULL] RCU updates for v4.15
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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