From owner-cvs-all@FreeBSD.ORG  Fri Apr 29 04:24:12 2005
Return-Path: <owner-cvs-all@FreeBSD.ORG>
Delivered-To: cvs-all@freebsd.org
Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP
	id 8FCA616A4CE; Fri, 29 Apr 2005 04:24:12 +0000 (GMT)
Received: from delight.idiom.com (delight.idiom.com [216.240.32.16])
	by mx1.FreeBSD.org (Postfix) with ESMTP
	id 4C3E543D2D; Fri, 29 Apr 2005 04:24:12 +0000 (GMT)
	(envelope-from julian@elischer.org)
Received: from idiom.com (idiom.com [216.240.32.1])
	by delight.idiom.com (Postfix) with ESMTP id DD17B1F61A4;
	Thu, 28 Apr 2005 21:24:11 -0700 (PDT)
Received: from [192.168.2.3] (home.elischer.org [216.240.48.38])
	by idiom.com (8.12.11/8.12.11) with ESMTP id j3T4OAwK079103;
	Thu, 28 Apr 2005 21:24:11 -0700 (PDT)
	(envelope-from julian@elischer.org)
Message-ID: <4271B6E9.4010302@elischer.org>
Date: Thu, 28 Apr 2005 21:24:09 -0700
From: Julian Elischer <julian@elischer.org>
User-Agent: Mozilla/5.0 (X11; U; FreeBSD i386; en-US; rv:1.7.7) Gecko/20050424
X-Accept-Language: en, hu
MIME-Version: 1.0
To: Scott Long <scottl@FreeBSD.org>
References: <200504290259.j3T2xJON003744@repoman.freebsd.org>
In-Reply-To: <200504290259.j3T2xJON003744@repoman.freebsd.org>
Content-Type: text/plain; charset=us-ascii; format=flowed
Content-Transfer-Encoding: 7bit
cc: cvs-src@FreeBSD.org
cc: src-committers@FreeBSD.org
cc: cvs-all@FreeBSD.org
Subject: Re: cvs commit: src/sys/i386/conf PAE
X-BeenThere: cvs-all@freebsd.org
X-Mailman-Version: 2.1.1
Precedence: list
List-Id: CVS commit messages for the entire tree <cvs-all.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/cvs-all>,
	<mailto:cvs-all-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/cvs-all>
List-Post: <mailto:cvs-all@freebsd.org>
List-Help: <mailto:cvs-all-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/cvs-all>,
	<mailto:cvs-all-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Fri, 29 Apr 2005 04:24:12 -0000

Scott Long wrote:
> scottl      2005-04-29 02:59:19 UTC
> 
>   FreeBSD src repository
> 
>   Modified files:
>     sys/i386/conf        PAE 
>   Log:
>   For whatever reason, we don't allow USB on PAE.  Since it's a dependency
>   for EHCI, exclude that driver also.
>   
>   Revision  Changes    Path
>   1.15      +1 -0      src/sys/i386/conf/PAE

EHCI can actually support 64 bit physical addresses.
We haven't doen it yet but it will probably happen.
of course with bus-dma specifying addresses < 4G, it should still work
with > 32 bit memory addresses (bounce buffering).