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Date: Fri, 08 Jul 2011 15:21:01 +0200
From: Gerd Hoffmann <kraxel@redhat.com>
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Subject: Re: [Qemu-devel] [PATCH 0/3] non-migratable devices
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To: Paolo Bonzini <pbonzini@redhat.com>
Cc: qemu-devel@nongnu.org

On 07/08/11 14:59, Paolo Bonzini wrote:
> On 07/08/2011 02:47 PM, Gerd Hoffmann wrote:
>>>
>>> One possibility is to add device name remapping to machine types, like
>>> "ide is actually ide-0.14 when using pc-0.14" and put a different
>>> VMState in ide-0.14.
>>
>> That isn't very different from subsections.
>>
>> Problem is that the old qemu version doesn't have the section at all,
>> not that it looks somehow different.
>
> No, I meant a different qdev name, i.e. mapping the same device name to
> a different DeviceInfo.

That is an idea.  This could also replace compat properties (by giving 
ide-0.14 different default values for the properties) and thereby move 
the compat info from hw/pc.c to hw/ide/xxx.c.

cheers,
   Gerd