From mboxrd@z Thu Jan  1 00:00:00 1970
From: Daniel Vetter <daniel@ffwll.ch>
Subject: Re: [PATCH 3/3] drm: Protect fb_helper list manipulation with a mutex
Date: Mon, 28 Nov 2016 08:55:58 +0100
Message-ID: <20161128075558.yqd25zch5eygcafb@phenom.ffwll.local>
References: <20161123140417.18538-1-chris@chris-wilson.co.uk>
 <20161123140417.18538-3-chris@chris-wilson.co.uk>
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-wj0-x242.google.com (mail-wj0-x242.google.com
 [IPv6:2a00:1450:400c:c01::242])
 by gabe.freedesktop.org (Postfix) with ESMTPS id 2AA316E1C9
 for <dri-devel@lists.freedesktop.org>; Mon, 28 Nov 2016 07:55:58 +0000 (UTC)
Received: by mail-wj0-x242.google.com with SMTP id kp2so12916515wjc.0
 for <dri-devel@lists.freedesktop.org>; Sun, 27 Nov 2016 23:55:58 -0800 (PST)
Content-Disposition: inline
In-Reply-To: <20161123140417.18538-3-chris@chris-wilson.co.uk>
List-Unsubscribe: <https://lists.freedesktop.org/mailman/options/dri-devel>,
 <mailto:dri-devel-request@lists.freedesktop.org?subject=unsubscribe>
List-Archive: <https://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: <https://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: Chris Wilson <chris@chris-wilson.co.uk>
Cc: intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org
List-Id: dri-devel@lists.freedesktop.org
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