Re: [GIT PULL rcu/next] RCU commits for 5.3

From: Paul E. McKenney
Date: Wed Jun 19 2019 - 08:55:53 EST

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On Tue, Jun 18, 2019 at 11:07:42AM -0700, Paul E. McKenney wrote:
> Hello, Ingo,
>
> This pull request contains the following changes:

Gah!!! This one has some duplicated commits, so please ignore.
I will send an updated pull request early next week.

It is functionally correct, but...

One of those weeks, I guess. :-/

Thanx, Paul

> 1. Yet another round of flavor-consolidation cleanups.
>
> http://lkml.kernel.org/r/20190530145204.GA28526@xxxxxxxxxxxxx
>
> 2. Documentation updates.
>
> http://lkml.kernel.org/r/20190530145504.GA29820@xxxxxxxxxxxxx
>
> 3. Miscellaneous fixes.
>
> http://lkml.kernel.org/r/20190530145942.GA30318@xxxxxxxxxxxxx
>
> 4. SRCU updates.
>
> http://lkml.kernel.org/r/20190530150347.GA31311@xxxxxxxxxxxxx
>
> 5. RCU-sync updates.
>
> http://lkml.kernel.org/r/20190530150816.GA32130@xxxxxxxxxxxxx
>
> 6. Torture-test updates.
>
> http://lkml.kernel.org/r/20190530151650.GA422@xxxxxxxxxxxxx
>
> This pull request does not contain LKMM updates, which will be the
> subject of a later pull request. (Apologies for the hassle, but there
> is still work in progress on handling plain assignment statements.)
>
> All of these changes have been subjected to 0day Test Robot and -next
> testing, and are available in the Git repository at:
>
> git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git for-mingo
>
> for you to fetch changes up to 8bec773060bd068bddc1014d25a7d16ac84c4fd4:
>
> Merge branches 'consolidate.2019.05.28a', 'doc.2019.05.28a', 'fixes.2019.06.13a', 'fixes.2019.05.28a', 'srcu.2019.05.28a', 'sync.2019.05.28a' and 'torture.2019.05.28a' into HEAD (2019-06-13 15:39:55 -0700)
>
> ----------------------------------------------------------------
> Andrea Parri (2):
> rcu: Don't return a value from rcu_assign_pointer()
> rcu: Don't return a value from rcu_assign_pointer()
>
> Jiang Biao (2):
> rcu: Remove unused rdp local from synchronize_rcu_expedited()
> rcu: Make __call_srcu static
>
> Joel Fernandes (Google) (7):
> lockdep: Add assertion to check if in an interrupt
> rcu: Add checks for dynticks counters in rcu_is_cpu_rrupt_from_idle()
> doc/rcuref: Document real world examples in kernel
> srcu: Remove unused vmlinux srcu linker entries
> module: Make srcu_struct ptr array as read-only
> rcutorture: Select from only online CPUs
> rcutorture: Add cpu0 to the set of CPUs to add jitter
>
> Neeraj Upadhyay (2):
> rcu: Dump specified number of blocked tasks
> rcu: Correctly unlock root node in rcu_check_gp_start_stall()
>
> Oleg Nesterov (4):
> rcu/sync: Kill rcu_sync_type/gp_type
> uprobes: Use DEFINE_STATIC_PERCPU_RWSEM() to initialize dup_mmap_sem
> locking/percpu-rwsem: Add DEFINE_PERCPU_RWSEM(), use it to initialize cgroup_threadgroup_rwsem
> rcu/sync: Simplify the state machine
>
> Paul E. McKenney (35):
> rcu: Check for wakeup-safe conditions in rcu_read_unlock_special()
> rcu: Only do rcu_read_unlock_special() wakeups if expedited
> rcu: Allow rcu_read_unlock_special() to raise_softirq() if in_irq()
> rcu: Use irq_work to get scheduler's attention in clean context
> rcu: Inline invoke_rcu_callbacks() into its sole remaining caller
> rcu: Avoid self-IPI in sync_rcu_exp_select_node_cpus()
> rcu: Avoid self-IPI in sync_sched_exp_online_cleanup()
> rcu: Rename rcu_data's ->deferred_qs to ->exp_deferred_qs
> rcu: Upgrade sync_exp_work_done() to smp_mb()
> rcu: Make kfree_rcu() ignore NULL pointers
> rcu: Fix irritating whitespace error in rcu_assign_pointer()
> rcu: Set a maximum limit for back-to-back callback invocation
> doc: Remove ".vnet" from paulmck email addresses
> srcu: Allocate per-CPU data for DEFINE_SRCU() in modules
> rcutorture: Add cond_resched() to forward-progress free-up loop
> rcutorture: Fix stutter_wait() return value and freelist checks
> torture: Allow inter-stutter interval to be specified
> torture: Make kvm-find-errors.sh and kvm-recheck.sh provide exit status
> rcutorture: Provide rudimentary Makefile
> rcutorture: Exempt tasks RCU from timely draining of grace periods
> rcutorture: Exempt TREE01 from forward-progress testing
> rcutorture: Give the scheduler a chance on PREEMPT && NO_HZ_FULL kernels
> rcutorture: Halt forward-progress checks at end of run
> rcutorture: Add trivial RCU implementation
> torture: Capture qemu output
> torture: Add function graph-tracing cheat sheet
> torture: Run kernel build in source directory
> torture: Make --cpus override idleness calculations
> torture: Add --trust-make to suppress "make clean"
> rcutorture: Dump trace buffer for callback pipe drain failures
> torture: Suppress propagating trace_printk() warning
> rcutorture: Upper case solves the case of the vanishing NULL pointer
> rcu: Upgrade sync_exp_work_done() to smp_mb()
> rcu: Fix irritating whitespace error in rcu_assign_pointer()
> Merge branches 'consolidate.2019.05.28a', 'doc.2019.05.28a', 'fixes.2019.06.13a', 'fixes.2019.05.28a', 'srcu.2019.05.28a', 'sync.2019.05.28a' and 'torture.2019.05.28a' into HEAD
>
> Sebastian Andrzej Siewior (2):
> rcu: Enable elimination of Tree-RCU softirq processing
> rcutorture: Tweak kvm options
>
> Waiman Long (2):
> rcu: Force inlining of rcu_read_lock()
> rcu: Force inlining of rcu_read_lock()
>
> Zhenzhong Duan (1):
> doc: Fixup definition of rcupdate.rcu_task_stall_timeout
>
> Documentation/RCU/rcuref.txt | 21 +-
> Documentation/RCU/stallwarn.txt | 2 +-
> Documentation/RCU/whatisRCU.txt | 8 +-
> Documentation/admin-guide/kernel-parameters.txt | 6 +
> Documentation/core-api/circular-buffers.rst | 2 +-
> Documentation/memory-barriers.txt | 2 +-
> .../translations/ko_KR/memory-barriers.txt | 2 +-
> include/linux/lockdep.h | 7 +
> include/linux/module.h | 5 +
> include/linux/percpu-rwsem.h | 10 +-
> include/linux/rcu_sync.h | 40 ++--
> include/linux/rcupdate.h | 21 +-
> include/linux/sched.h | 2 +-
> include/linux/srcutree.h | 14 +-
> include/linux/torture.h | 2 +-
> kernel/cgroup/cgroup.c | 3 +-
> kernel/events/uprobes.c | 4 +-
> kernel/locking/locktorture.c | 2 +-
> kernel/locking/percpu-rwsem.c | 2 +-
> kernel/module.c | 5 +
> kernel/rcu/rcu.h | 5 +
> kernel/rcu/rcutorture.c | 96 +++++++--
> kernel/rcu/srcutree.c | 69 ++++++-
> kernel/rcu/sync.c | 214 ++++++++++-----------
> kernel/rcu/tree.c | 164 +++++++++++++---
> kernel/rcu/tree.h | 6 +-
> kernel/rcu/tree_exp.h | 53 +++--
> kernel/rcu/tree_plugin.h | 195 ++++++-------------
> kernel/rcu/tree_stall.h | 4 +-
> kernel/rcu/update.c | 13 ++
> kernel/torture.c | 23 ++-
> tools/include/linux/rcu.h | 4 +-
> tools/testing/radix-tree/linux/rcupdate.h | 2 +-
> tools/testing/selftests/rcutorture/Makefile | 3 +
> .../testing/selftests/rcutorture/bin/configinit.sh | 39 ++--
> tools/testing/selftests/rcutorture/bin/cpus2use.sh | 5 +
> .../testing/selftests/rcutorture/bin/functions.sh | 13 +-
> tools/testing/selftests/rcutorture/bin/jitter.sh | 13 +-
> .../testing/selftests/rcutorture/bin/kvm-build.sh | 9 +-
> .../selftests/rcutorture/bin/kvm-find-errors.sh | 3 +
> .../selftests/rcutorture/bin/kvm-recheck.sh | 13 +-
> .../selftests/rcutorture/bin/kvm-test-1-run.sh | 23 +--
> tools/testing/selftests/rcutorture/bin/kvm.sh | 14 +-
> .../selftests/rcutorture/bin/parse-build.sh | 2 +-
> .../selftests/rcutorture/bin/parse-console.sh | 1 +
> .../selftests/rcutorture/configs/rcu/CFcommon | 3 +
> .../selftests/rcutorture/configs/rcu/TREE01.boot | 1 +
> .../selftests/rcutorture/configs/rcu/TRIVIAL | 14 ++
> .../selftests/rcutorture/configs/rcu/TRIVIAL.boot | 3 +
> 49 files changed, 736 insertions(+), 431 deletions(-)
> create mode 100644 tools/testing/selftests/rcutorture/Makefile
> create mode 100644 tools/testing/selftests/rcutorture/configs/rcu/TRIVIAL
> create mode 100644 tools/testing/selftests/rcutorture/configs/rcu/TRIVIAL.boot

Next message: Arnd Bergmann: "[PATCH] ipmi: ipmb: don't allocate i2c_client on stack"
Previous message: Krzysztof Kozlowski: "Re: [PATCH] gpio: Fix return value mismatch of function gpiod_get_from_of_node()"
In reply to: Paul E. McKenney: "[GIT PULL rcu/next] RCU commits for 5.3"
Next in thread: Ingo Molnar: "Re: [GIT PULL rcu/next] RCU commits for 5.3"
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