From mboxrd@z Thu Jan  1 00:00:00 1970
From: Chris Wilson <chris@chris-wilson.co.uk>
Subject: Re: [PATCH 43/46] drm/i915: Allocate a status page for
 each timeline
Date: Tue, 15 Jan 2019 09:50:13 +0000
Message-ID: <154754581324.30063.14174147249526138105@skylake-alporthouse-com>
References: <20190107115509.12523-1-chris@chris-wilson.co.uk>
 <20190107115509.12523-43-chris@chris-wilson.co.uk>
 <1e5f4aa4-cf67-6737-1b31-9849eed945eb@Intel.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 fireflyinternet.com (mail.fireflyinternet.com [109.228.58.192])
 by gabe.freedesktop.org (Postfix) with ESMTPS id 714686EC4A
 for <intel-gfx@lists.freedesktop.org>; Tue, 15 Jan 2019 09:50:18 +0000 (UTC)
In-Reply-To: <1e5f4aa4-cf67-6737-1b31-9849eed945eb@Intel.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: John Harrison <John.C.Harrison@Intel.com>, intel-gfx@lists.freedesktop.org
List-Id: intel-gfx@lists.freedesktop.org
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