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 _______________________________________________ linaro-dev mailing list linaro-dev@lists.linaro.org http://lists.linaro.org/mailman/listinfo/linaro-dev