From mboxrd@z Thu Jan  1 00:00:00 1970
Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43)
	id 1Mvuhh-0002ea-D7
	for qemu-devel@nongnu.org; Thu, 08 Oct 2009 11:14:53 -0400
Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43)
	id 1Mvuhc-0002cN-O6
	for qemu-devel@nongnu.org; Thu, 08 Oct 2009 11:14:53 -0400
Received: from [199.232.76.173] (port=59070 helo=monty-python.gnu.org)
	by lists.gnu.org with esmtp (Exim 4.43) id 1Mvuhc-0002cI-IV
	for qemu-devel@nongnu.org; Thu, 08 Oct 2009 11:14:48 -0400
Received: from mail-fx0-f214.google.com ([209.85.220.214]:43774)
	by monty-python.gnu.org with esmtp (Exim 4.60)
	(envelope-from <anthony@codemonkey.ws>) id 1Mvuhc-0001dg-87
	for qemu-devel@nongnu.org; Thu, 08 Oct 2009 11:14:48 -0400
Received: by fxm10 with SMTP id 10so5651965fxm.8
	for <qemu-devel@nongnu.org>; Thu, 08 Oct 2009 08:14:47 -0700 (PDT)
Message-ID: <4ACE01E0.4030806@codemonkey.ws>
Date: Thu, 08 Oct 2009 10:14:40 -0500
From: Anthony Liguori <anthony@codemonkey.ws>
MIME-Version: 1.0
Subject: Re: [Qemu-devel] Re: [PATCH v2 9/9] Add -kvm option
References: <1254953315-5761-1-git-send-email-glommer@redhat.com>	<1254953315-5761-2-git-send-email-glommer@redhat.com>	<1254953315-5761-3-git-send-email-glommer@redhat.com>	<1254953315-5761-4-git-send-email-glommer@redhat.com>	<1254953315-5761-5-git-send-email-glommer@redhat.com>	<1254953315-5761-6-git-send-email-glommer@redhat.com>	<1254953315-5761-7-git-send-email-glommer@redhat.com>	<1254953315-5761-8-git-send-email-glommer@redhat.com>	<1254953315-5761-9-git-send-email-glommer@redhat.com>	<1254953315-5761-10-git-send-email-glommer@redhat.com>	<4ACD1D92.8080607@us.ibm.com>
	<4ACDF233.3090500@redhat.com> <4ACDF5D2.2070408@codemonkey.ws>
	<4ACDF779.2040505@redhat.com> <4ACDF82B.4010200@codemonkey.ws>
	<4ACDF9FD.8060704@redhat.com> <4ACDFDB1.2020505@codemonkey.ws>
	<4ACDFFB7.8000500@redhat.com>
In-Reply-To: <4ACDFFB7.8000500@redhat.com>
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.gnu.org/pipermail/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: Avi Kivity <avi@redhat.com>
Cc: Mark McLoughlin <markmc@redhat.com>, Anthony Liguori <aliguori@us.ibm.com>, Gerd Hoffmann <kraxel@redhat.com>, Glauber Costa <glommer@redhat.com>, qemu-devel@nongnu.org

Avi Kivity wrote:
> On 10/08/2009 04:56 PM, Anthony Liguori wrote:
>> Avi Kivity wrote:
>>> That's a bug in the userspace pit :)
>>>
>>> I'm worried about things like 'info pit' needing dual implementations.
>>
>> You mean info qdm?
>>
>> It'll Just Work.
>>
>
> I mean
>
>    (qemu) info pit
>    pit: counter 0x1234 period 0x3453
>
> or something.

When the pit is qdev converted, it will have properties.  counter and 
period could be two of those properties in which case, 'info qtree 
i8254' would show the above output or 'info qtree i8254-kvm' would show it.

In fact, a very good reason to have two device models is that there are 
certain properties that make sense for i8254-kvm that don't make sense 
for i8254.  For instance, you could expose information about interrupt 
catch up.

Regards,

Anthony Liguori