From mboxrd@z Thu Jan  1 00:00:00 1970
Received: from [140.186.70.92] (port=46080 helo=eggs.gnu.org)
	by lists.gnu.org with esmtp (Exim 4.43) id 1OwaWc-0007h1-Hs
	for qemu-devel@nongnu.org; Fri, 17 Sep 2010 08:58:48 -0400
Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.69)
	(envelope-from <aliguori@linux.vnet.ibm.com>) id 1OwaRU-0007AH-IJ
	for qemu-devel@nongnu.org; Fri, 17 Sep 2010 08:53:29 -0400
Received: from e6.ny.us.ibm.com ([32.97.182.146]:60554)
	by eggs.gnu.org with esmtp (Exim 4.69)
	(envelope-from <aliguori@linux.vnet.ibm.com>) id 1OwaRU-0007A8-Ee
	for qemu-devel@nongnu.org; Fri, 17 Sep 2010 08:53:28 -0400
Received: from d01relay02.pok.ibm.com (d01relay02.pok.ibm.com [9.56.227.234])
	by e6.ny.us.ibm.com (8.14.4/8.13.1) with ESMTP id o8HCrQdu019989
	for <qemu-devel@nongnu.org>; Fri, 17 Sep 2010 08:53:26 -0400
Received: from d03av05.boulder.ibm.com (d03av05.boulder.ibm.com [9.17.195.85])
	by d01relay02.pok.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id
	o8HCrOF2479244
	for <qemu-devel@nongnu.org>; Fri, 17 Sep 2010 08:53:24 -0400
Received: from d03av05.boulder.ibm.com (loopback [127.0.0.1])
	by d03av05.boulder.ibm.com (8.14.4/8.13.1/NCO v10.0 AVout) with ESMTP
	id o8HCrOUj026677
	for <qemu-devel@nongnu.org>; Fri, 17 Sep 2010 06:53:24 -0600
Message-ID: <4C9364B8.6030708@linux.vnet.ibm.com>
Date: Fri, 17 Sep 2010 07:53:12 -0500
From: Anthony Liguori <aliguori@linux.vnet.ibm.com>
MIME-Version: 1.0
Subject: Re: [Qemu-devel] [PATCH] add 40-48 bit RAM range to seabios
References: <20100915171528.GO5981@random.random>
	<20100917014731.GA27371@morn.localdomain>
In-Reply-To: <20100917014731.GA27371@morn.localdomain>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Content-Transfer-Encoding: 7bit
List-Id: qemu-devel.nongnu.org
List-Unsubscribe: <http://lists.nongnu.org/mailman/listinfo/qemu-devel>,
	<mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>
List-Archive: <http://lists.nongnu.org/archive/html/qemu-devel>
List-Post: <mailto:qemu-devel@nongnu.org>
List-Help: <mailto:qemu-devel-request@nongnu.org?subject=help>
List-Subscribe: <http://lists.nongnu.org/mailman/listinfo/qemu-devel>,
	<mailto:qemu-devel-request@nongnu.org?subject=subscribe>
To: Kevin O'Connor <kevin@koconnor.net>
Cc: Andrea Arcangeli <aarcange@redhat.com>, seabios@seabios.org, qemu-devel@nongnu.org, Gleb Natapov <gleb@redhat.com>

On 09/16/2010 08:47 PM, Kevin O'Connor wrote:
> On Wed, Sep 15, 2010 at 07:15:28PM +0200, Andrea Arcangeli wrote:
>    
>> Subject: add 40-48 bit RAM range to seabios
>>
>> From: Andrea Arcangeli<aarcange@redhat.com>
>>
>> Needed to show>1TB RAM to guests.
>>
>> This uses a new cmos port at 0x5e that shall read zero to be backwards
>> compatible.
>>
>> Signed-off-by: Andrea Arcangeli<aarcange@redhat.com>
>>      
> It looks okay to me.  Can you provide an Acked-by from one of the qemu
> or kvm maintainers?
>    

Is CMOS the best place to communicate this (as opposed to fw_cfg)?

I know we currently expose memory size via CMOS but perhaps it's better 
to switch to a 64-bit fw_cfg value.

Regards,

Anthony Liguori

> -Kevin
>