linux-kernel - Re: [PATCH] sched/rt: RT_RUNTIME

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Message-ID: <alpine.DEB.2.20.1611071054320.17809@east.gentwo.org>
Date:   Mon, 7 Nov 2016 10:55:38 -0600 (CST)
From:   Christoph Lameter <cl@...ux.com>
To:     Daniel Bristot de Oliveira <bristot@...hat.com>
cc:     Ingo Molnar <mingo@...hat.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Steven Rostedt <rostedt@...dmis.org>,
        linux-rt-users <linux-rt-users@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] sched/rt: RT_RUNTIME_GREED sched feature

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.