From owner-freebsd-arch@FreeBSD.ORG  Thu Oct 30 17:17:02 2003
Return-Path: <owner-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 8F99516A4CF; Thu, 30 Oct 2003 17:17:02 -0800 (PST)
Received: from dragon.nuxi.com (trang.nuxi.com [66.93.134.19])
	by mx1.FreeBSD.org (Postfix) with ESMTP
	id 6442443FD7; Thu, 30 Oct 2003 17:17:01 -0800 (PST)
	(envelope-from obrien@dragon.nuxi.com)
Received: from dragon.nuxi.com (obrien@localhost [127.0.0.1])
	by dragon.nuxi.com (8.12.9/8.12.9) with ESMTP id h9V1H0JC031571;
	Thu, 30 Oct 2003 17:17:00 -0800 (PST)
	(envelope-from obrien@dragon.nuxi.com)
Received: (from obrien@localhost)
	by dragon.nuxi.com (8.12.9/8.12.9/Submit) id h9V1H0s7031570;
	Thu, 30 Oct 2003 17:17:00 -0800 (PST)
	(envelope-from obrien)
Date: Thu, 30 Oct 2003 17:16:59 -0800
From: "David O'Brien" <obrien@FreeBSD.org>
To: John Baldwin <jhb@FreeBSD.org>
Message-ID: <20031031011659.GA31439@dragon.nuxi.com>
Mail-Followup-To: David O'Brien <obrien@FreeBSD.org>,
	John Baldwin <jhb@FreeBSD.org>, arch@FreeBSD.org
References: <XFMail.20031030173447.jhb@FreeBSD.org>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <XFMail.20031030173447.jhb@FreeBSD.org>
User-Agent: Mutt/1.4.1i
X-Operating-System: FreeBSD 5.1-CURRENT
Organization: The NUXI BSD Group
X-Pgp-Rsa-Fingerprint: B7 4D 3E E9 11 39 5F A3  90 76 5D 69 58 D9 98 7A
X-Pgp-Rsa-Keyid: 1024/34F9F9D5
cc: arch@FreeBSD.org
Subject: Re: HEADSUP: New i386 interrupt and SMP code..
X-BeenThere: freebsd-arch@freebsd.org
X-Mailman-Version: 2.1.1
Precedence: list
Reply-To: arch@FreeBSD.org
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: Fri, 31 Oct 2003 01:17:02 -0000

On Thu, Oct 30, 2003 at 05:34:47PM -0500, John Baldwin wrote:
> Downsides:
> - ACPI will no longer work as a module for know.  The reason
>   for this is that ACPI's APIC enumerator needs to be able
>   to hook into a SI_SUB_TUNABLES - 1 SYSINIT() due to existing
>   code that wants to know the available CPUs in the system
>   very early (specifically, UMA).

How will one not have to deal with fscked-up AML BIOS code, when one
wants to use MADT rather than mptable's to use the APIC?

I.E., the ACPI-AML bits should be seperatable from the ACPI-MADT bits.