From: Peter Zijlstra <peterz@infradead.org>
To: Peter Boonstoppel <pboonstoppel@nvidia.com>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Ingo Molnar <mingo@redhat.com>
Subject: Re: [PATCH 1/1] sched: unthrottle rt runqueues in __disable_runtime()
Date: Thu, 16 Aug 2012 10:21:57 +0200 [thread overview]
Message-ID: <1345105317.29668.1.camel@twins> (raw)
In-Reply-To: <5FBF8E85CA34454794F0F7ECBA79798F379D3648B7@HQMAIL04.nvidia.com>
On Thu, 2012-08-09 at 15:34 -0700, Peter Boonstoppel wrote:
> migrate_tasks() uses _pick_next_task_rt() to get tasks from the
> real-time runqueues to be migrated. When rt_rq is throttled
> _pick_next_task_rt() won't return anything, in which case
> migrate_tasks() can't move all threads over and gets stuck in an
> infinite loop.
>
> Instead unthrottle rt runqueues before migrating tasks.
>
> Additionally: move unthrottle_offline_cfs_rqs() to rq_offline_fair()
Thanks!
next prev parent reply other threads:[~2012-08-16 8:22 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-09 22:34 [PATCH 1/1] sched: unthrottle rt runqueues in __disable_runtime() Peter Boonstoppel
2012-08-16 8:21 ` Peter Zijlstra [this message]
2012-09-04 18:45 ` [tip:sched/core] sched: Unthrottle " tip-bot for Peter Boonstoppel
-- strict thread matches above, loose matches on Subject: below --
2012-05-18 18:56 [PATCH] sched: unthrottle rt_rq in migrate_tasks() Peter Boonstoppel
2012-05-25 14:49 ` Peter Zijlstra
2012-06-22 17:49 ` [PATCH 1/1] sched: unthrottle rt runqueues in __disable_runtime() Peter Boonstoppel
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