From mboxrd@z Thu Jan  1 00:00:00 1970
From: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>
Subject: Re: [PATCH] drm/i915: pwrite/pread do not require
 obj->base.filp, just pages
Date: Mon, 13 Jun 2016 14:12:46 +0100
Message-ID: <575EB14E.2030002@linux.intel.com>
References: <575E7777.6070601@linux.intel.com>
 <1465821620-18081-1-git-send-email-chris@chris-wilson.co.uk>
 <575EAB04.1060506@linux.intel.com>
 <20160613125243.GE8446@nuc-i3427.alporthouse.com>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"; Format="flowed"
Content-Transfer-Encoding: base64
Return-path: <intel-gfx-bounces@lists.freedesktop.org>
Received: from mga11.intel.com (mga11.intel.com [192.55.52.93])
 by gabe.freedesktop.org (Postfix) with ESMTP id E088B6E435
 for <intel-gfx@lists.freedesktop.org>; Mon, 13 Jun 2016 13:12:47 +0000 (UTC)
In-Reply-To: <20160613125243.GE8446@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>, intel-gfx@lists.freedesktop.org
List-Id: intel-gfx@lists.freedesktop.org
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