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    Subject[PATCHSET] workqueue: prepare for concurrency managed workqueue, take#3
    Date
    Hello, all.

    This patchset is the third take of prep-for-concurrent-managed-wq
    patchset. Changes from the last take[L] are

    * sched_notifier wakeup notification firing location moved so that it
    happens after wake up is complete to allow calling local wake up
    function from wakeup notifier.

    * sched-implement-sched_notifier_wake_up_process() replaced with
    sched-refactor-try_to_wake_up-and-implement-try_to_wake_up_local.
    Instead of implementing separately, common part is factored out from
    try_to_wake_up() and used to implement try_to_wake_up_local() as
    suggested by Peter Zijlstra.

    * Patch description updated on sched-implement-force_cpus_allowed.

    * 0015-0019 dropped from this series. Updated versions will be posted
    in another patchset with other patches.

    This patchset contains the following 14 patches.

    0001-sched-kvm-fix-race-condition-involving-sched_in_pree.patch
    0002-workqueue-Add-debugobjects-support.patch
    0003-sched-rename-preempt_notifier-to-sched_notifier-and-.patch
    0004-sched-update-sched_notifier-and-add-wakeup-sleep-not.patch
    0005-sched-refactor-try_to_wake_up-and-implement-try_to_w.patch
    0006-sched-implement-force_cpus_allowed.patch
    0007-acpi-use-queue_work_on-instead-of-binding-workqueue-.patch
    0008-stop_machine-reimplement-without-using-workqueue.patch
    0009-workqueue-misc-cosmetic-updates.patch
    0010-workqueue-merge-feature-parameters-into-flags.patch
    0011-workqueue-update-cwq-alignement-and-make-one-more-fl.patch
    0012-workqueue-define-both-bit-position-and-mask-for-work.patch
    0013-workqueue-separate-out-process_one_work.patch
    0014-workqueue-temporarily-disable-workqueue-tracing.patch

    This patchset is available in the following git tree.

    git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq.git review-wq-prep

    Please note that the above tree is temporary. It needs to be rebased
    once 0001 appears in upstream.

    This patchset contains the following changes.

    arch/ia64/kvm/Kconfig | 1
    arch/powerpc/kvm/Kconfig | 1
    arch/s390/kvm/Kconfig | 1
    arch/x86/kernel/smpboot.c | 4
    arch/x86/kvm/Kconfig | 1
    drivers/acpi/osl.c | 41 +---
    include/linux/kvm_host.h | 4
    include/linux/preempt.h | 43 ----
    include/linux/sched.h | 59 +++++-
    include/linux/stop_machine.h | 6
    include/linux/workqueue.h | 96 ++++++----
    init/Kconfig | 4
    init/main.c | 2
    kernel/sched.c | 316 ++++++++++++++++++++------------
    kernel/stop_machine.c | 151 +++++++++++++--
    kernel/trace/Kconfig | 4
    kernel/workqueue.c | 412 ++++++++++++++++++++++++++++++-------------
    lib/Kconfig.debug | 8
    virt/kvm/kvm_main.c | 28 +-
    19 files changed, 786 insertions(+), 396 deletions(-)

    Thanks.

    --
    tejun

    [L] http://thread.gmane.org/gmane.linux.kernel/916333


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