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Date: Wed, 12 May 2010 18:07:02 +0100
From: Jamie Lokier <jamie@shareable.org>
Subject: Re: [Qemu-devel] Re: Another SIGFPE in display code, now in cirrus
Message-ID: <20100512170702.GE19314@shareable.org>
References: <4BE32178.2090103@msgid.tls.msk.ru> <4BE7B8C1.9060807@redhat.com>
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To: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Cc: Michael Tokarev <mjt@tls.msk.ru>, Brian Kress <kressb@moose.net>, Avi Kivity <avi@redhat.com>, KVM list <kvm@vger.kernel.org>, qemu-devel <qemu-devel@nongnu.org>

Stefano Stabellini wrote:
> On Wed, 12 May 2010, Avi Kivity wrote:
> > It's useful if you have a one-line horizontal pattern you want to 
> > propagate all over.
>  
> It might be useful all right, but it is not entirely clear what the
> hardware should do in this situation from the documentation we have, and
> certainly the current state of the cirrus emulation code doesn't help.

It's quite a reasonable thing for hardware to do, even if not documented.
It would be surprising if the hardware didn't copy the one-line pattern.

-- Jamie