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From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Date: Tue, 01 Jul 2014 19:33:28 +1000
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Subject: Re: [Qemu-devel] [RFC] qemu VGA endian swap low level drawing
	changes
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To: Gerd Hoffmann <kraxel@redhat.com>
Cc: Alexey Kardashevskiy <aik@ozlabs.ru>, Paolo Bonzini <pbonzini@redhat.com>, "qemu-devel@nongnu.org" <qemu-devel@nongnu.org>, Alexander Graf <agraf@suse.de>

On Tue, 2014-07-01 at 10:20 +0200, Gerd Hoffmann wrote:
> > Right. A quick fix would be to add a flag to force always using a shadow
> > surface and set it in cirrus ... I'm not sure anybody will notice the
> > performance difference.
> 
> I suspect we can rip out hw cursor emulation and nobody will notice the
> difference either ...

So I'd say let's leave it as-is with the known breakage. Forcing shadows
means bringing back the drawing/conversions routines for 24 & 32 which
would suck.

If somebody manages to find a guest that's affected, they can tell us and
I'll look into fixing it.

Cheers,
Ben.