From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ilia Mirkin <imirkin@alum.mit.edu>
Subject: Re: likely signedness bug in drm and nvidia drivers
Date: Mon, 20 Jul 2015 22:44:51 -0400
Message-ID: <CAKb7UvhLp=G6yH7MgivOPp9kDDdH2Y2q4v0YDjt8vHewLzzy=w@mail.gmail.com>
References: <87fv4io8ug.fsf@rasmusvillemoes.dk>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: base64
Return-path: <dri-devel-bounces@lists.freedesktop.org>
Received: from mail-oi0-f54.google.com (mail-oi0-f54.google.com
 [209.85.218.54])
 by gabe.freedesktop.org (Postfix) with ESMTPS id B72D96E28F
 for <dri-devel@lists.freedesktop.org>; Mon, 20 Jul 2015 19:44:52 -0700 (PDT)
Received: by oigd21 with SMTP id d21so77988041oig.1
 for <dri-devel@lists.freedesktop.org>; Mon, 20 Jul 2015 19:44:52 -0700 (PDT)
In-Reply-To: <87fv4io8ug.fsf@rasmusvillemoes.dk>
List-Unsubscribe: <http://lists.freedesktop.org/mailman/options/dri-devel>,
 <mailto:dri-devel-request@lists.freedesktop.org?subject=unsubscribe>
List-Archive: <http://lists.freedesktop.org/archives/dri-devel>
List-Post: <mailto:dri-devel@lists.freedesktop.org>
List-Help: <mailto:dri-devel-request@lists.freedesktop.org?subject=help>
List-Subscribe: <http://lists.freedesktop.org/mailman/listinfo/dri-devel>,
 <mailto:dri-devel-request@lists.freedesktop.org?subject=subscribe>
Errors-To: dri-devel-bounces@lists.freedesktop.org
Sender: "dri-devel" <dri-devel-bounces@lists.freedesktop.org>
To: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Cc: linux-fbdev@vger.kernel.org, "dri-devel@lists.freedesktop.org" <dri-devel@lists.freedesktop.org>, Tomi Valkeinen <tomi.valkeinen@ti.com>, Ben Skeggs <bskeggs@redhat.com>
List-Id: dri-devel@lists.freedesktop.org
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