linux-kernel - Re: [RFC][PATCH] SCHED

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Message-Id: <1253637533.18939.2.camel@laptop>
Date:	Tue, 22 Sep 2009 18:38:53 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Daniel Walker <dwalker@...o99.com>
Cc:	Raistlin <raistlin@...ux.it>, claudio@...dence.eu.com,
	michael@...dence.eu.com, mingo@...e.hu,
	linux-kernel@...r.kernel.org, tglx@...utronix.de,
	johan.eker@...csson.com, p.faure@...tech.ch,
	Fabio Checconi <fabio@...dalf.sssup.it>,
	Dhaval Giani <dhaval.giani@...il.com>,
	Steven Rostedt <rostedt@...dmis.org>,
	Tommaso Cucinotta <tommaso.cucinotta@...up.it>
Subject: Re: [RFC][PATCH] SCHED_EDF scheduling class

On Tue, 2009-09-22 at 06:24 -0700, Daniel Walker wrote:
> On Tue, 2009-09-22 at 12:30 +0200, Raistlin wrote:
> > Hi Peter, Hi all,
> > 
> >     this is the implementation of a new scheduling class called 
> >     SCHED_EDF made by me and Michael Trimarchi (CC:-ed). We followed the
> >     suggestions you gave us at the multicore workshop in Kaiserlsautern
> >     on October.
> > 
> > For other people: it is a real-time scheduling policy based on the
> > Earliest Deadline First (EDF) algorithm, one of the most common
> > real-time scheduling algorithms.
> 
> You've got some type of encoding corruption in your patch,
> 
> +       else {
> +               if (!edf_task(p))
> +                       p->sched_class =3D &fair_sched_class;
> +               else
> +                       p->sched_class =3D &edf_sched_class;
> +       }
> =20
>         p->prio =3D prio;
> =20
> 
> See the =20 , and =3D above.. I'm not sure exactly how that gets into
> patches ;(

Daniel, welcome to my kill-file.

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