linux-kernel - Re: [PATCH 06/16] sched: SCHED

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Message-ID: <1334159837.23924.253.camel@gandalf.stny.rr.com>
Date:	Wed, 11 Apr 2012 11:57:17 -0400
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Juri Lelli <juri.lelli@...il.com>
Cc:	Hillf Danton <dhillf@...il.com>, peterz@...radead.org,
	tglx@...utronix.de, mingo@...hat.com, oleg@...hat.com,
	fweisbec@...il.com, darren@...art.com, johan.eker@...csson.com,
	p.faure@...tech.ch, linux-kernel@...r.kernel.org,
	claudio@...dence.eu.com, michael@...rulasolutions.com,
	Fabio Checconi <fchecconi@...il.com>,
	Tommaso Cucinotta <tommaso.cucinotta@...up.it>,
	Nicola Manica <nicola.manica@...i.unitn.it>,
	Luca Abeni <luca.abeni@...tn.it>,
	Dhaval Giani <dhaval.giani@...il.com>, hgu1972@...il.com,
	paulmck@...ux.vnet.ibm.com, Dario Faggioli <raistlin@...ux.it>,
	Insop Song <insop.song@...csson.com>, liming.wang@...driver.com
Subject: Re: [PATCH 06/16] sched: SCHED_DEADLINE push and pull logic

On Tue, 2012-04-10 at 10:11 +0200, Juri Lelli wrote:
> On 04/09/2012 02:28 PM, Hillf Danton wrote:
> > On Mon, Apr 9, 2012 at 4:20 AM, Juri Lelli<juri.lelli@...il.com>  wrote:
> >>
> >> Do you mean at kernel_init time?
> >> Could you be more precise about the problem Steven encountered?
> >>
> > After change from kernel/sched_rt.c to kernel/sched/rt.c, I could not
> > find the git history of that fix, related to RCU IIRC, by Steven in mainline.
> > Steven, please give a link.
> >
> 
> Ok, found!
> https://lkml.org/lkml/2011/6/14/366
>   

I doubt you'll hit this same bug, but it doesn't hurt to add it. If a
boot time kernel thread starts using edf, then it would be required. And
you never know who may do that ;-)

-- Steve


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