From mboxrd@z Thu Jan  1 00:00:00 1970
From: Rob Herring <robh@kernel.org>
Subject: [PATCH v3 5/8] drm/panfrost: Add a no execute flag for BO allocations
Date: Fri,  2 Aug 2019 13:51:47 -0600
Message-ID: <20190802195150.23207-6-robh@kernel.org>
References: <20190802195150.23207-1-robh@kernel.org>
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-io1-f68.google.com (mail-io1-f68.google.com
 [209.85.166.68])
 by gabe.freedesktop.org (Postfix) with ESMTPS id 41B266ED77
 for <dri-devel@lists.freedesktop.org>; Fri,  2 Aug 2019 19:52:00 +0000 (UTC)
Received: by mail-io1-f68.google.com with SMTP id h6so29497737iom.7
 for <dri-devel@lists.freedesktop.org>; Fri, 02 Aug 2019 12:52:00 -0700 (PDT)
In-Reply-To: <20190802195150.23207-1-robh@kernel.org>
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: dri-devel@lists.freedesktop.org
Cc: Tomeu Vizoso <tomeu.vizoso@collabora.com>, Maxime Ripard <maxime.ripard@bootlin.com>, Sean Paul <sean@poorly.run>, Steven Price <steven.price@arm.com>, David Airlie <airlied@linux.ie>, Boris Brezillon <boris.brezillon@collabora.com>, Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>, Robin Murphy <robin.murphy@arm.com>
List-Id: dri-devel@lists.freedesktop.org
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