linux-kernel - Re: [RFC][PATCH 00/15] sched: SCHED

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Message-ID: <alpine.LFD.2.02.1205251302540.3231@ionos>
Date:	Fri, 25 May 2012 13:04:06 +0200 (CEST)
From:	Thomas Gleixner <tglx@...utronix.de>
To:	Peter Zijlstra <peterz@...radead.org>
cc:	Juri Lelli <juri.lelli@...il.com>, mingo@...hat.com,
	rostedt@...dmis.org, 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, fchecconi@...il.com,
	tommaso.cucinotta@...up.it, nicola.manica@...i.unitn.it,
	luca.abeni@...tn.it, dhaval.giani@...il.com, hgu1972@...il.com,
	paulmck@...ux.vnet.ibm.com, raistlin@...ux.it,
	insop.song@...csson.com, liming.wang@...driver.com,
	jkacur@...hat.com, harald.gustafsson@...csson.com
Subject: Re: [RFC][PATCH 00/15] sched: SCHED_DEADLINE v5

On Fri, 25 May 2012, Peter Zijlstra wrote:

> On Wed, 2012-05-23 at 23:42 +0200, Juri Lelli wrote:
> > Still missing/incomplete:
> >   - (c)group based bandwidth management, and maybe scheduling;
> 
> The b/w stuff for cgroups shouldn't be particularly hard, right? It
> shouldn't be more than ensuring the utilization sum of all children
> stays below the set value.
> 
> Or am I missing something?
> 
> >   - bandwidth inheritance (to replace deadline/priority inheritance);
> 
> Yes please, but this is somewhat longer term, I think the band-aids in
> place are sufficient to allow us to move fwd.
> 
> >   - access control for non-root users (and related security concerns to
> >     address). 
> 
> Right, so could you detail what all is needed to allow regular users to
> create dl tasks?
> 
> Aside from this, Ingo, Thomas, Steven do you agree in merging these
> patches as a suitable base to continue work from?

I haven't looked in detail, but I didn't spot horrible things
either. And yes, we should start with that set and improve from there.

Thanks,

	tglx
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