Re: [Qemu-devel] [PATCH 2/2] ac97: don't override the pci subsystem id

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On 11/08/2011 10:08 AM, Gerd Hoffmann wrote:
> On 11/07/11 17:00, Anthony Liguori wrote:
> > On 11/07/2011 09:33 AM, Gerd Hoffmann wrote:
> >> This patch removes the code lines which set the subsystem id for the
> >> emulated ac97 card to 8086:0000.  Due to the device id being zero the
> >> subsystem id isn't vaild anyway.  With the patch applied the sound card
> >> gets the default qemu subsystem id (1af4:1100) instead.
> > 
> > I don't like having a property of "use broken".
>
> Well, it *is* broken.
> Suggestions for a better name?

correctness_challenged?
legacy?

> > Wouldn't it be better to have the subsystem vendor and device id be
> > configurable, set the default to the qemu subsystem ids, and then set it
> > to 8086:0000 for < 1.0?
>
> I don't want this being fully configurable just for the snake of
> backward compatibility with old qemu versions.

I imagine some downstreams will want to configure it, but if we ever do
that, it's not for 1.0.

-- 
I have a truly marvellous patch that fixes the bug which this
signature is too narrow to contain.

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