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Subject: Re: [Qemu-devel] [PATCH 4/8] qdev/core: bus list
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From: Markus Armbruster <armbru@redhat.com>
Date: Tue, 30 Jun 2009 21:26:26 +0200
In-Reply-To: <200906301821.18245.paul@codesourcery.com> (Paul Brook's message
	of "Tue\, 30 Jun 2009 18\:21\:17 +0100")
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To: Paul Brook <paul@codesourcery.com>
Cc: qemu-devel@nongnu.org, Gerd Hoffmann <kraxel@redhat.com>

Paul Brook <paul@codesourcery.com> writes:

> On Tuesday 30 June 2009, Markus Armbruster wrote:
>> Paul Brook <paul@codesourcery.com> writes:
>> > On Tuesday 30 June 2009, Gerd Hoffmann wrote:
>> >>  * maintain a list of busses.
>> >>  * maintain bus numbers.
>> >>  * add function to find busses by type / name / number.
>> >>  * add monitor command to list busses.
>> >
>> > I still object to this patch. Busses should be identified by their
>> > location in the tree, not by number.
>> >
>> > Paul
>>
>> Location in the tree can be uniquely identified by a number.  Handy when
>> all you want is enumerate the buses, and you don't really care where
>> they're hanging out in the tree.  Why should something like that not be
>> done?
>
> The address of the BusState is also a locally unique identifier. That doesn't 
> mean it's a good thing to expose to the user.
>
> Paul

Red herring.