On Wed, Jul 25, 2012 at 10:47:50AM +0100, Viresh Kumar wrote:
> Hi Andrey,
>
> V4 contains following updates:
>
> - wq-hotplug patches from Tejun
> - slow-fast CPU DT support from Tixy
> - All branches rebased on v3.5
>
> They are compile tested.
Hello, Viresh,
You are missing some fixes, please see below. I can also email you the
updated patches, if that would be easier than pulling them from -rcu.
Thanx, Paul
> ---------------------8<------------------------
>
> The following changes since commit 28a33cbc24e4256c143dce96c7d93bf423229f92:
>
> Linux 3.5 (2012-07-21 13:58:29 -0700)
>
> are available in the git repository at:
>
> git://git.linaro.org/arm/big.LITTLE/mp.git big-LITTLE-MP-v4
>
> for you to fetch changes up to 5ac93ea2e717a4aef7cdc4b09466955b25d4c42c:
>
> Merge branches 'arm-asymmetric-support-v3', 'cpuidle-next-v4',
> 'per-cpu-thread-hotplug-v3', 'fast-slow-cpu-dt-v1', 'wq-hotplug-v1' and
> 'config-fragments' into big-LITTLE-MP-v4 (2012-07-25 10:36:36 +0100)
>
> ----------------------------------------------------------------
>
> Ben Segall (1):
> sched: maintain per-rq runnable averages
>
> Colin Cross (4):
> cpuidle: refactor out cpuidle_enter_state
> cpuidle: fix error handling in __cpuidle_register_device
> cpuidle: add support for states that affect multiple cpus
> cpuidle: coupled: add parallel barrier function
>
> Jon Medhurst (4):
> configs: Initial core configs
> configs: Make CONFIG_MODULES part of linaro-base
> Merge branch 'config-core-3.4' into config-core-tracking
> configs: Replace CONFIG_PERF_COUNTERS with CONFIG_PERF_EVENTS
>
> Jon Medhurst (Tixy) (1):
> sched: Use device-tree to provide fast/slow CPU list for HMP
>
> Morten Rasmussen (5):
> sched: Add ftrace events for entity load-tracking
> sched: entity load-tracking load_avg_ratio
> sched: load-tracking driven wakeup migration for HMP platforms
> sched: Forced migration of high load task on HMP platforms
> sched: Add HMP forced task migration ftrace event
>
> Paul E. McKenney (1):
> rcu: Use smp_hotplug_thread facility for RCUs per-CPU kthread
>
> Paul Turner (15):
> sched: track the runnable average on a per-task entitiy basis
> sched: aggregate load contributed by task entities on parenting cfs_rq
> sched: maintain the load contribution of blocked entities
> sched: add an rq migration call-back to sched_class
> sched: account for blocked load waking back up
> sched: aggregate total task_group load
> sched: compute load contribution by a group entity
> sched: normalize tg load contributions against runnable time
> sched: maintain runnable averages across throttled periods
> sched: replace update_shares weight distribution with per-entity
> computation
> sched: refactor update_shares_cpu() -> update_blocked_avgs()
> sched: update_cfs_shares at period edge
> sched: make __update_entity_runnable_avg() fast
> sched: implement usage tracking
> sched: introduce temporary FAIR_GROUP_SCHED dependency for
> load-tracking
>
> Peter Zijlstra (1):
> sched, x86: Remove broken power estimation
>
> Ricardo Salveti de Araujo (8):
> configs: moving previous ubuntu.conf as ubuntu-minimal and creating a
> full ubuntu one
> configs: ubuntu: be compatible with the enforce script
> configs: ubuntu: disabling CODA_FS, seems to be broken atm
> configs: ubuntu: disabling CGROUPS as default
> Merge branch 'config-core-3.4' into config-core-tracking
> configs: ubuntu: updating configs for 3.5
> configs: ubuntu: disabling CONFIG_MTD_NAND_NANDSIM=m, breaking build
> config: ubuntu: ATH6KL should be platform dependent
>
> Tejun Heo (18):
> workqueue: don't use WQ_HIGHPRI for unbound workqueues
> workqueue: factor out worker_pool from global_cwq
> workqueue: use @pool instead of @gcwq or @cpu where applicable
> workqueue: separate out worker_pool flags
> workqueue: introduce NR_WORKER_POOLS and for_each_worker_pool()
> workqueue: reimplement WQ_HIGHPRI using a separate worker_pool
> workqueue: perform cpu down operations from low priority
> cpu_notifier()
> workqueue: drop CPU_DYING notifier operation
> workqueue: ROGUE workers are UNBOUND workers
> workqueue: use mutex for global_cwq manager exclusion
> workqueue: drop @bind from create_worker()
> workqueue: reimplement CPU online rebinding to handle idle workers
> workqueue: don't butcher idle workers on an offline CPU
> workqueue: remove CPU offline trustee
> workqueue: simplify CPU hotplug code
> kthread_worker: reorganize to prepare for flush_kthread_work()
> reimplementation
> kthread_worker: reimplement flush_kthread_work() to allow freeing the
> work item being executed
> workqueue: fix spurious CPU locality WARN from process_one_work()
>
> Thomas Gleixner (6):
> rcu: Yield simpler
> kthread: Implement park/unpark facility
> smpboot: Provide infrastructure for percpu hotplug threads
This one has preempt_disable() misnesting problems, resulting in
"scheduling while atomic" splats on CONFIG_PREEMPT=y kernels. An updated
patch may be found at:
git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git bb00732b
> softirq: Use hotplug thread infrastructure
This one calls rcu_note_context_switch() while preemptible. Updated
patch may be found at:
git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git e4bf0a28
> watchdog: Use hotplug thread infrastructure
> infiniband: ehca: Use hotplug thread infrastructure
This stack also fails to build for CONFIG_SMP=n kernels. An additional
patch to fix this may be found at:
git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git 34a6dd70
> Vincent Guittot (4):
> ARM: topology: Add arch_scale_freq_power function
> ARM: topology: factorize the update of sibling masks
> ARM: topology: Update cpu_power according to DT information
> sched: cpu_power: enable ARCH_POWER
>
> Viresh Kumar (3):
> configs: Add config fragments for big LITTLE MP
> linaro/configs: Update big LITTLE MP fragment for task placement work
> Merge branches 'arm-asymmetric-support-v3', 'cpuidle-next-v4',
> 'per-cpu-thread-hotplug-v3', 'fast-slow-cpu-dt-v1', 'wq-hotplug-v1' and
> 'config-fragments' into big-LITTLE-MP-v4
>
> Documentation/workqueue.txt | 103 +-
> arch/arm/Kconfig | 29 +
> arch/arm/kernel/topology.c | 278 ++++-
> arch/x86/kernel/cpu/Makefile | 2 +-
> arch/x86/kernel/cpu/sched.c | 55 -
> drivers/cpuidle/Kconfig | 3 +
> drivers/cpuidle/Makefile | 1 +
> drivers/cpuidle/coupled.c | 715 +++++++++++
> drivers/cpuidle/cpuidle.c | 68 +-
> drivers/cpuidle/cpuidle.h | 32 +
> drivers/infiniband/hw/ehca/ehca_irq.c | 253 ++--
> drivers/infiniband/hw/ehca/ehca_irq.h | 6 +-
> include/linux/cpu.h | 5 +-
> include/linux/cpuidle.h | 11 +
> include/linux/kthread.h | 19 +-
> include/linux/sched.h | 19 +
> include/linux/smpboot.h | 43 +
> include/trace/events/sched.h | 151 +++
> include/trace/events/workqueue.h | 2 +-
> kernel/cpu.c | 10 +-
> kernel/kthread.c | 273 ++++-
> kernel/rcutree.c | 12 +-
> kernel/rcutree.h | 15 +-
> kernel/rcutree_plugin.h | 403 ++-----
> kernel/rcutree_trace.c | 3 +-
> kernel/sched/core.c | 5 +
> kernel/sched/debug.c | 39 +-
> kernel/sched/fair.c | 1099 ++++++++++++++---
> kernel/sched/features.h | 2 +-
> kernel/sched/sched.h | 60 +-
> kernel/smpboot.c | 229 ++++
> kernel/smpboot.h | 4 +
> kernel/softirq.c | 107 +-
> kernel/watchdog.c | 263 ++--
> kernel/workqueue.c | 1144 ++++++++----------
> linaro/configs/android.conf | 30 +
> linaro/configs/big-LITTLE-MP.conf | 9 +
> linaro/configs/linaro-base.conf | 84 ++
> linaro/configs/ubuntu-minimal.conf | 24 +
> linaro/configs/ubuntu.conf | 2133
> +++++++++++++++++++++++++++++++++
> 40 files changed, 5935 insertions(+), 1808 deletions(-)
> delete mode 100644 arch/x86/kernel/cpu/sched.c
> create mode 100644 drivers/cpuidle/coupled.c
> create mode 100644 include/linux/smpboot.h
> create mode 100644 linaro/configs/android.conf
> create mode 100644 linaro/configs/big-LITTLE-MP.conf
> create mode 100644 linaro/configs/linaro-base.conf
> create mode 100644 linaro/configs/ubuntu-minimal.conf
> create mode 100644 linaro/configs/ubuntu.conf
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