From mboxrd@z Thu Jan  1 00:00:00 1970
From: Oleksandr Andrushchenko <andr2000@gmail.com>
Subject: [PATCH v4 9/9] xen/gntdev: Implement dma-buf import functionality
Date: Fri, 15 Jun 2018 09:27:53 +0300
Message-ID: <20180615062753.9229-10-andr2000@gmail.com>
References: <20180615062753.9229-1-andr2000@gmail.com>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: base64
Return-path: <dri-devel-bounces@lists.freedesktop.org>
Received: from mail-lf0-x244.google.com (mail-lf0-x244.google.com
 [IPv6:2a00:1450:4010:c07::244])
 by gabe.freedesktop.org (Postfix) with ESMTPS id 427F96E98A
 for <dri-devel@lists.freedesktop.org>; Fri, 15 Jun 2018 06:28:18 +0000 (UTC)
Received: by mail-lf0-x244.google.com with SMTP id d24-v6so12984119lfa.8
 for <dri-devel@lists.freedesktop.org>; Thu, 14 Jun 2018 23:28:18 -0700 (PDT)
In-Reply-To: <20180615062753.9229-1-andr2000@gmail.com>
List-Unsubscribe: <https://lists.freedesktop.org/mailman/options/dri-devel>,
 <mailto:dri-devel-request@lists.freedesktop.org?subject=unsubscribe>
List-Archive: <https://lists.freedesktop.org/archives/dri-devel>
List-Post: <mailto:dri-devel@lists.freedesktop.org>
List-Help: <mailto:dri-devel-request@lists.freedesktop.org?subject=help>
List-Subscribe: <https://lists.freedesktop.org/mailman/listinfo/dri-devel>,
 <mailto:dri-devel-request@lists.freedesktop.org?subject=subscribe>
Errors-To: dri-devel-bounces@lists.freedesktop.org
Sender: "dri-devel" <dri-devel-bounces@lists.freedesktop.org>
To: xen-devel@lists.xenproject.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-media@vger.kernel.org, jgross@suse.com, boris.ostrovsky@oracle.com, konrad.wilk@oracle.com
Cc: andr2000@gmail.com, daniel.vetter@intel.com, dongwon.kim@intel.com, Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
List-Id: dri-devel@lists.freedesktop.org
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