Re: [GIT PULL rcu/next] RCU commits for 3.20

From: Ingo Molnar
Date: Wed Jan 21 2015 - 00:15:26 EST

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Previous message: Paul E. McKenney: "Re: [PATCH] ksoftirqd: Enable IRQs and call cond_resched() before poking RCU"
In reply to: Paul E. McKenney: "[GIT PULL rcu/next] RCU commits for 3.20"
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* Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx> wrote:

> Hello, Ingo,
>
> The changes in this series include:
>
> 1. Documentation updates. These were posted to LKML at
> https://lkml.org/lkml/2015/1/7/496.
>
> 2. Miscellaneous fixes. These were posted to LKML at
> https://lkml.org/lkml/2015/1/7/507.
>
> 3. Preemptible-RCU fixes, including fixing an old bug in the
> interaction of RCU priority boosting and CPU hotplug. These were
> posted to LKML at https://lkml.org/lkml/2015/1/7/535.
>
> 4. SRCU updates. These were posted to LKML at
> https://lkml.org/lkml/2015/1/7/555.
>
> 5. RCU CPU stall-warning updates. These were posted to LKML at
> https://lkml.org/lkml/2015/1/7/565.
>
> 6. RCU torture-test updates. These were posted to LKML at
> https://lkml.org/lkml/2015/1/7/591.
>
> These changes 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 78e691f4ae2d5edea0199ca802bb505b9cdced88:
>
> Merge branches 'doc.2015.01.07a', 'fixes.2015.01.15a', 'preempt.2015.01.06a', 'srcu.2015.01.06a', 'stall.2015.01.16a' and 'torture.2015.01.11a' into HEAD (2015-01-15 23:34:34 -0800)
>
> ----------------------------------------------------------------
>
> Alexander Gordeev (1):
> rcu: Remove redundant rcu_is_cpu_rrupt_from_idle() from tiny RCU
>
> Calvin Owens (1):
> ksoftirqd: Enable IRQs and call cond_resched() before poking RCU
>
> David Hildenbrand (1):
> hotplugcpu: Avoid deadlocks by waking active_writer
>
> Davidlohr Bueso (1):
> documentation: Fix smp typo in memory-barriers.txt
>
> Lai Jiangshan (3):
> tiny_rcu: Directly force QS when call_rcu_[bh|sched]() on idle_task
> rcu: Remove "select IRQ_WORK" from config TREE_RCU
> rcu: Revert "Allow post-unlock reference for rt_mutex" to avoid priority-inversion
>
> Miroslav Benes (1):
> rcu: Fix RCU CPU stall detection in tiny implementation
>
> Paul E. McKenney (43):
> rcu: Make rcu_nmi_enter() handle nesting
> rcu: Fix invoke_rcu_callbacks() comment
> compiler: Allow 1- and 2-byte smp_load_acquire() and smp_store_release()
> rcu: Fix rcu_barrier() race that could result in too-short wait
> rcu: Protect rcu_boost() lockless accesses with ACCESS_ONCE()
> rcu: Rename "empty" to "empty_norm" in preparation for boost rework
> rcu: Abstract rcu_cleanup_dead_rnp() from rcu_cleanup_dead_cpu()
> rcu: Make rcu_read_unlock_special() propagate ->qsmaskinit bit clearing
> rcu: Don't migrate blocked tasks even if all corresponding CPUs offline
> rcu: Shorten irq-disable region in rcu_cleanup_dead_cpu()
> rcu: Make use of rcu_preempt_has_tasks()
> rcu: Don't spawn rcub kthreads on root rcu_node structure
> rcu: Don't initiate RCU priority boosting on root rcu_node
> rcu: Don't bother affinitying rcub kthreads away from offline CPUs
> rcu: Note quiescent state when CPU goes offline
> rcu: Don't scan root rcu_node structure for stalled tasks
> rcu: Remove redundant callback-list initialization
> rcu: Expand SRCU ->completed to 64 bits
> rcu: Combine DEFINE_SRCU() and DEFINE_STATIC_SRCU()
> rcu: Set default to RCU_CPU_STALL_INFO=y
> rcutorture: Add checks for stall ending before dump start
> rcu: Make RCU_CPU_STALL_INFO include number of fqs attempts
> rcu: Improve diagnostics for spurious RCU CPU stall warnings
> rcu: Handle gpnum/completed wrap while dyntick idle
> documentation: Record limitations of bitfields and small variables
> rcutorture: Issue warnings on close calls due to Reader Batch blows
> rcu: Make _batches_completed() functions return unsigned long
> rcutorture: Make build-output parsing correctly flag RCU's warnings
> rcutorture: Use unsigned for Reader Batch computations
> rcu: Provide rcu_batches_completed_sched() for TINY_RCU
> rcutorture: Drop rcu_torture_completed() and friends
> rcu: Remove redundant rcu_batches_completed() declaration
> rcutorture: Check from beginning to end of grace period
> rcutorture: Handle different mpstat versions
> torture: Add "-enable-kvm -soundhw pcspk" to qemu command line
> torture: Flag console.log file to prevent holdovers from earlier runs
> rcutorture: Add more diagnostics in rcu_barrier() test failure case
> ksoftirqd: Use new cond_resched_rcu_qs() function
> rcu: Optionally run grace-period kthreads at real-time priority
> rcu: Make cond_resched_rcu_qs() apply to normal RCU flavors
> rcu: Add GP-kthread-starvation checks to CPU stall warnings
> rcu: Initialize tiny RCU stall-warning timeouts at boot
> Merge branches 'doc.2015.01.07a', 'fixes.2015.01.15a', 'preempt.2015.01.06a', 'srcu.2015.01.06a', 'stall.2015.01.16a' and 'torture.2015.01.11a' into HEAD
>
> Pranith Kumar (2):
> rcupdate: Replace smp_read_barrier_depends() with lockless_dereference()
> rcu: Make SRCU optional by using CONFIG_SRCU
>
> Xie XiuQi (1):
> documentation: Update sysfs path for rcu_cpu_stall_timeout
>
> Ying Xue (1):
> rculist: Fix sparse warning
>
> Documentation/RCU/stallwarn.txt | 16 +-
> Documentation/RCU/trace.txt | 32 +-
> Documentation/memory-barriers.txt | 46 ++-
> arch/arm/kvm/Kconfig | 1 +
> arch/arm64/kvm/Kconfig | 1 +
> arch/mips/kvm/Kconfig | 1 +
> arch/powerpc/kvm/Kconfig | 1 +
> arch/s390/kvm/Kconfig | 1 +
> arch/tile/kvm/Kconfig | 1 +
> arch/x86/Kconfig | 1 +
> arch/x86/kvm/Kconfig | 1 +
> drivers/clk/Kconfig | 1 +
> drivers/cpufreq/Kconfig | 1 +
> drivers/devfreq/Kconfig | 1 +
> drivers/md/Kconfig | 1 +
> drivers/net/Kconfig | 1 +
> fs/btrfs/Kconfig | 1 +
> fs/notify/Kconfig | 1 +
> fs/quota/Kconfig | 1 +
> include/linux/compiler.h | 2 +-
> include/linux/rculist.h | 16 +-
> include/linux/rcupdate.h | 13 +-
> include/linux/rcutiny.h | 45 ++-
> include/linux/rcutree.h | 11 +-
> include/linux/srcu.h | 14 +-
> init/Kconfig | 18 +-
> kernel/cpu.c | 56 ++--
> kernel/notifier.c | 3 +
> kernel/power/Kconfig | 1 +
> kernel/rcu/Makefile | 3 +-
> kernel/rcu/rcu.h | 6 +
> kernel/rcu/rcutorture.c | 66 ++--
> kernel/rcu/srcu.c | 2 +-
> kernel/rcu/tiny.c | 113 +------
> kernel/rcu/tiny_plugin.h | 9 +-
> kernel/rcu/tree.c | 355 +++++++++++++++------
> kernel/rcu/tree.h | 62 +---
> kernel/rcu/tree_plugin.h | 271 +++++-----------
> kernel/rcu/tree_trace.c | 8 +-
> kernel/softirq.c | 3 +-
> lib/Kconfig.debug | 3 +-
> mm/Kconfig | 1 +
> security/tomoyo/Kconfig | 1 +
> tools/testing/selftests/rcutorture/bin/cpus2use.sh | 2 +-
> .../selftests/rcutorture/bin/kvm-recheck-rcu.sh | 18 ++
> .../selftests/rcutorture/bin/kvm-test-1-run.sh | 9 +-
> .../selftests/rcutorture/bin/parse-build.sh | 20 +-
> .../selftests/rcutorture/bin/parse-console.sh | 2 +-
> 48 files changed, 657 insertions(+), 586 deletions(-)

Pulled, thanks a lot Paul!

Ingo
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Next message: Jiang Liu: "Re: [RFC Patch 08/19] ACPI: Add prefetch decoding to the address space parser"
Previous message: Paul E. McKenney: "Re: [PATCH] ksoftirqd: Enable IRQs and call cond_resched() before poking RCU"
In reply to: Paul E. McKenney: "[GIT PULL rcu/next] RCU commits for 3.20"
Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]