From mboxrd@z Thu Jan  1 00:00:00 1970
From: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Subject: Re: [PATCH v2 4/4] drm/i915: Fix i915_gem_evict_for_vma
 (soft-pinning)
Date: Fri, 18 Nov 2016 11:18:09 +0200
Message-ID: <1479460689.3594.10.camel@linux.intel.com>
References: <20161117120844.27340-1-chris@chris-wilson.co.uk>
 <20161117120844.27340-4-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 mga14.intel.com (mga14.intel.com [192.55.52.115])
 by gabe.freedesktop.org (Postfix) with ESMTPS id 3B5626E922
 for <intel-gfx@lists.freedesktop.org>; Fri, 18 Nov 2016 09:18:15 +0000 (UTC)
In-Reply-To: <20161117120844.27340-4-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>, intel-gfx@lists.freedesktop.org
List-Id: intel-gfx@lists.freedesktop.org
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