linux-kernel - Re: [sched-devel, patch-rfc] rework of "prioritize non-migratable tasks over migratable ones"

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Date:	Mon, 16 Jun 2008 21:17:42 +0200
From:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
To:	Dmitry Adamushko <dmitry.adamushko@...il.com>
Cc:	Gregory Haskins <ghaskins@...ell.com>, Ingo Molnar <mingo@...e.hu>,
	Steven Rostedt <rostedt@...dmis.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	linux-kernel@...r.kernel.org
Subject: Re: [sched-devel, patch-rfc] rework of "prioritize non-migratable
	tasks over migratable ones"

On Mon, 2008-06-16 at 19:59 +0200, Dmitry Adamushko wrote:

> One way or another, we have different aritifacts (and mine have likely
> more) but conceptually, both "violates" POSIX if a strict round-robin
> scheduling is required.

http://www.opengroup.org/onlinepubs/009695399/functions/xsh_chap02_08.html#tag_02_08_04_01

Is quite strict on what FIFO should do, and I know of two points where
we deviate and should work to match.

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