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Date:   Mon, 7 Nov 2016 13:32:07 -0500
From:   Steven Rostedt <>
To:     Christoph Lameter <>
Cc:     Daniel Bristot de Oliveira <>,
        Ingo Molnar <>,
        Peter Zijlstra <>,
        linux-rt-users <>,
        LKML <>
Subject: Re: [PATCH] sched/rt: RT_RUNTIME_GREED sched feature

On Mon, 7 Nov 2016 10:55:38 -0600 (CST)
Christoph Lameter <> wrote:

> On Mon, 7 Nov 2016, Daniel Bristot de Oliveira wrote:
> > With these two options set, the user will guarantee some runtime
> > for non-rt-tasks on all CPUs, while keeping real-time tasks running
> > as much as possible.  
> Excellent this would improve the situation with deadlocks as a result of
> cgroup_locks not being released due to lack of workqueue processing.

?? What deadlocks do you see? I mean, can you show the situation that
throttling RT tasks will cause deadlock?

Sorry, but I'm just not seeing it.

-- Steve

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