From mboxrd@z Thu Jan  1 00:00:00 1970
From: Daniel Vetter <daniel@ffwll.ch>
Subject: Re: [PATCH 2/3] drm/i915: Use RPM as the barrier for
 controlling user mmap access
Date: Thu, 13 Oct 2016 17:25:13 +0200
Message-ID: <20161013152513.GJ20761@phenom.ffwll.local>
References: <20161011132524.GC20761@phenom.ffwll.local>
 <20161011143759.28052-1-chris@chris-wilson.co.uk>
 <20161011143759.28052-2-chris@chris-wilson.co.uk>
 <20161013144423.GC20761@phenom.ffwll.local>
 <20161013151523.GH9113@nuc-i3427.alporthouse.com>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: base64
Return-path: <intel-gfx-bounces@lists.freedesktop.org>
Received: from mail-qk0-x241.google.com (mail-qk0-x241.google.com
 [IPv6:2607:f8b0:400d:c09::241])
 by gabe.freedesktop.org (Postfix) with ESMTPS id 04A356EAE1
 for <intel-gfx@lists.freedesktop.org>; Thu, 13 Oct 2016 15:25:18 +0000 (UTC)
Received: by mail-qk0-x241.google.com with SMTP id n189so6366477qke.1
 for <intel-gfx@lists.freedesktop.org>; Thu, 13 Oct 2016 08:25:17 -0700 (PDT)
Content-Disposition: inline
In-Reply-To: <20161013151523.GH9113@nuc-i3427.alporthouse.com>
List-Unsubscribe: <https://lists.freedesktop.org/mailman/options/intel-gfx>,
 <mailto:intel-gfx-request@lists.freedesktop.org?subject=unsubscribe>
List-Archive: <https://lists.freedesktop.org/archives/intel-gfx>
List-Post: <mailto:intel-gfx@lists.freedesktop.org>
List-Help: <mailto:intel-gfx-request@lists.freedesktop.org?subject=help>
List-Subscribe: <https://lists.freedesktop.org/mailman/listinfo/intel-gfx>,
 <mailto:intel-gfx-request@lists.freedesktop.org?subject=subscribe>
Errors-To: intel-gfx-bounces@lists.freedesktop.org
Sender: "Intel-gfx" <intel-gfx-bounces@lists.freedesktop.org>
To: Chris Wilson <chris@chris-wilson.co.uk>, Daniel Vetter <daniel@ffwll.ch>, intel-gfx@lists.freedesktop.org, Imre Deak <imre.deak@intel.com>, Ville =?iso-8859-1?Q?Syrj=E4l=E4?= <ville.syrjala@linux.intel.com>
List-Id: intel-gfx@lists.freedesktop.org
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