From mboxrd@z Thu Jan  1 00:00:00 1970
From: Guido =?iso-8859-1?Q?G=FCnther?= <agx@sigxcpu.org>
Subject: Re: [PATCH 02/10] drm/etnaviv: mmuv2: don't map zero page
Date: Mon, 7 Jan 2019 10:13:24 +0100
Message-ID: <20190107091324.GA8221@bogon.m.sigxcpu.org>
References: <20181219144546.28224-1-l.stach@pengutronix.de>
 <20181219144546.28224-3-l.stach@pengutronix.de>
 <20181230154921.GA21782@bogon.m.sigxcpu.org>
 <1546851052.3580.5.camel@pengutronix.de>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: base64
Return-path: <dri-devel-bounces@lists.freedesktop.org>
Content-Disposition: inline
In-Reply-To: <1546851052.3580.5.camel@pengutronix.de>
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: Lucas Stach <l.stach@pengutronix.de>
Cc: etnaviv@lists.freedesktop.org, dri-devel@lists.freedesktop.org, patchwork-lst@pengutronix.de, kernel@pengutronix.de, Russell King <linux+etnaviv@armlinux.org.uk>
List-Id: dri-devel@lists.freedesktop.org
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