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

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Message-ID: <1337942569.9783.183.camel@laptop>
Date:	Fri, 25 May 2012 12:42:49 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Juri Lelli <juri.lelli@...il.com>
Cc:	tglx@...utronix.de, 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 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?

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