From mboxrd@z Thu Jan  1 00:00:00 1970
From: Daniel Vetter <daniel@ffwll.ch>
Subject: Re: [PATCH 1/7] drm/i915: Introduce
 i915_address_space.mutex
Date: Wed, 11 Jul 2018 11:33:26 +0200
Message-ID: <20180711093326.GY3008@phenom.ffwll.local>
References: <20180711073608.20286-1-chris@chris-wilson.co.uk>
 <20180711073608.20286-2-chris@chris-wilson.co.uk>
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-ed1-x541.google.com (mail-ed1-x541.google.com
 [IPv6:2a00:1450:4864:20::541])
 by gabe.freedesktop.org (Postfix) with ESMTPS id D79686EC14
 for <intel-gfx@lists.freedesktop.org>; Wed, 11 Jul 2018 09:33:30 +0000 (UTC)
Received: by mail-ed1-x541.google.com with SMTP id i20-v6so5684317eds.12
 for <intel-gfx@lists.freedesktop.org>; Wed, 11 Jul 2018 02:33:30 -0700 (PDT)
Content-Disposition: inline
In-Reply-To: <20180711073608.20286-2-chris@chris-wilson.co.uk>
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>
Cc: intel-gfx@lists.freedesktop.org
List-Id: intel-gfx@lists.freedesktop.org
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=