From mboxrd@z Thu Jan  1 00:00:00 1970
From: Anthony Liguori <anthony@codemonkey.ws>
Subject: Re: [PATCH] do boundary check based on absolute value
Date: Thu, 04 Dec 2008 16:36:54 -0600
Message-ID: <49385B86.8090604@codemonkey.ws>
References: <1228427046-28875-1-git-send-email-glommer@redhat.com>
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Cc: qemu-devel@nongnu.org, kvm@vger.kernel.org, avi@redhat.com
To: Glauber Costa <glommer@redhat.com>
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Glauber Costa wrote:
> For backward operations, dstpitch and srcpitch can
> be negative. This leads BLTUNSAFE macro into an
> overflow, and as a result, it avoids performing
> operations that are perfectly valid.
>
> The visible effect that led to that patch was the gnome-panel
> bar in Fedora10. Before this patch, you could see garbage
> clobbering a big portion of the bar.
>
> After this patch, this garbage is gone.
>
>   

Applied.  Thanks.

Regards,

Anthony Liguori