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    SubjectRe: [PATCH 4.4 045/115] sched/deadline: Throttle a constrained deadline task activated after the deadline
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    On Mon, 2017-12-18 at 16:48 +0100, Greg Kroah-Hartman wrote:
    > 4.4-stable review patch.  If anyone has any objections, please let me
    > know.
    >
    > ------------------
    >
    > From: Daniel Bristot de Oliveira <bristot@redhat.com>
    >
    >
    > [ Upstream commit df8eac8cafce7d086be3bd5cf5a838fa37594dfb ]
    [...]

    I think this needs another fix on top:

    commit ae83b56a56f8d9643dedbee86b457fa1c5d42f59
    Author: Xunlei Pang <xlpang@redhat.com>
    Date:   Wed May 10 21:03:37 2017 +0800

        sched/deadline: Zero out positive runtime after throttling constrained tasks

    There's another fix related to this, but it doesn't appear to fix a
    regression and I don't know how critical it is:

    commit 3effcb4247e74a51f5d8b775a1ee4abf87cc089a
    Author: Daniel Bristot de Oliveira <bristot@redhat.com>
    Date:   Mon May 29 16:24:03 2017 +0200

        sched/deadline: Use the revised wakeup rule for suspending constrained dl tasks

    Ben.

    --
    Ben Hutchings
    Software Developer, Codethink Ltd.

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