From owner-freebsd-arch@FreeBSD.ORG  Thu Aug 11 04:20:07 2005
Return-Path: <owner-freebsd-arch@FreeBSD.ORG>
X-Original-To: freebsd-arch@freebsd.org
Delivered-To: freebsd-arch@freebsd.org
Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP id 3C32C16A41F
	for <freebsd-arch@freebsd.org>; Thu, 11 Aug 2005 04:20:07 +0000 (GMT)
	(envelope-from gnn@neville-neil.com)
Received: from mrout2.yahoo.com (mrout2.yahoo.com [216.145.54.172])
	by mx1.FreeBSD.org (Postfix) with ESMTP id E0EA943D55
	for <freebsd-arch@freebsd.org>; Thu, 11 Aug 2005 04:20:06 +0000 (GMT)
	(envelope-from gnn@neville-neil.com)
Received: from minion.local.neville-neil.com (proxy7.corp.yahoo.com
	[216.145.48.98])
	by mrout2.yahoo.com (8.13.4/8.13.4/y.out) with ESMTP id j7B4IJZ2039525; 
	Wed, 10 Aug 2005 21:18:19 -0700 (PDT)
Date: Thu, 11 Aug 2005 11:10:01 +0900
Message-ID: <m2d5oldy12.wl%gnn@neville-neil.com>
From: gnn@freebsd.org
To: "M. Warner Losh" <imp@bsdimp.com>
In-Reply-To: <20050810.162006.48492066.imp@bsdimp.com>
References: <42F9ECF2.8080809@freebsd.org> <200508100911.50004.jhb@FreeBSD.org>
	<20050810.162006.48492066.imp@bsdimp.com>
User-Agent: Wanderlust/2.12.2 (99 Luftballons) SEMI/1.14.6 (Maruoka)
	FLIM/1.14.7 (=?ISO-8859-4?Q?Sanj=F2?=) APEL/10.6 Emacs/21.3.50
	(powerpc-apple-darwin8.1.0) MULE/5.0 (SAKAKI)
MIME-Version: 1.0 (generated by SEMI 1.14.6 - "Maruoka")
Content-Type: text/plain; charset=US-ASCII
Cc: freebsd-arch@freebsd.org
Subject: Re: Special schedulers, one CPU only kernel, one only userland
X-BeenThere: freebsd-arch@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: Discussion related to FreeBSD architecture <freebsd-arch.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-arch>,
	<mailto:freebsd-arch-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-arch>
List-Post: <mailto:freebsd-arch@freebsd.org>
List-Help: <mailto:freebsd-arch-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-arch>,
	<mailto:freebsd-arch-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Thu, 11 Aug 2005 04:20:07 -0000

But, the question, which is interesting to me for other reasons
(namely putting in various real-time schedulers) was not answered.  Do
we currently have the requisite primitives to implement different
schedulers or is there still a lot of jiggery/pokery required?

Thanks,
George