linux-kernel - Re: [PATCH 01/13] sched: Add 3 new scheduler syscalls to support an extended scheduling parameters ABI

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Message-ID: <CAMuHMdU574ojqZ2wK4bAM_c8_1GCHRDPpco+iF-rHaF8Kdbaxg@mail.gmail.com>
Date:	Sun, 26 Jan 2014 10:48:48 +0100
From:	Geert Uytterhoeven <geert@...ux-m68k.org>
To:	Peter Zijlstra <peterz@...radead.org>,
	Linux-Arch <linux-arch@...r.kernel.org>
Cc:	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	Steven Rostedt <rostedt@...dmis.org>,
	Oleg Nesterov <oleg@...hat.com>,
	Frédéric Weisbecker <fweisbec@...il.com>,
	darren@...art.com, johan.eker@...csson.com, p.faure@...tech.ch,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Claudio Scordino <claudio@...dence.eu.com>,
	Michael Trimarchi <michael@...rulasolutions.com>,
	Fabio Checconi <fchecconi@...il.com>,
	Tommaso Cucinotta <tommaso.cucinotta@...up.it>,
	Juri Lelli <juri.lelli@...il.com>, nicola.manica@...i.unitn.it,
	luca.abeni@...tn.it, Dhaval Giani <dhaval.giani@...il.com>,
	hgu1972@...il.com, Paul McKenney <paulmck@...ux.vnet.ibm.com>,
	Dario Faggioli <raistlin@...ux.it>, insop.song@...il.com,
	liming.wang@...driver.com, John Kacur <jkacur@...hat.com>
Subject: Re: [PATCH 01/13] sched: Add 3 new scheduler syscalls to support an
 extended scheduling parameters ABI

On Tue, Dec 17, 2013 at 1:27 PM, Peter Zijlstra <peterz@...radead.org> wrote:
> From: Dario Faggioli <raistlin@...ux.it>
>
> Add the syscalls needed for supporting scheduling algorithms
> with extended scheduling parameters (e.g., SCHED_DEADLINE).

>  - defines and implements the new scheduling related syscalls that
>    manipulate it, i.e., sched_setscheduler2(), sched_setattr()
>    and sched_getattr().

> Syscalls are introduced for x86 (32 and 64 bits) and ARM only, as a
> proof of concept and for developing and testing purposes. Making them
> available on other architectures is straightforward.

Please cc linux-arch on new syscalls.

They're now in mainline, and in the end there are only 2 (sched_setattr() and
sched_getattr()).

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds
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