From mboxrd@z Thu Jan  1 00:00:00 1970
From: sourab gupta <sourab.gupta@intel.com>
Subject: Re: [RFC 0/4] Introduce drmfs pseudo filesystem for drm
	subsystem
Date: Thu, 09 Feb 2017 15:35:59 +0530
Message-ID: <1486634759.11616.23.camel@sourab-desktop>
References: <1482144146-31605-1-git-send-email-swati.dhingra@intel.com>
 <27992573.ny0BXXvPOU@avalon> <87h95znde8.fsf@intel.com>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: base64
Return-path: <intel-gfx-bounces@lists.freedesktop.org>
In-Reply-To: <87h95znde8.fsf@intel.com>
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: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>, "intel-gfx@lists.freedesktop.org" <intel-gfx@lists.freedesktop.org>, "Dhingra,
 Swati" <swati.dhingra@intel.com>, "dri-devel@lists.freedesktop.org" <dri-devel@lists.freedesktop.org>, "Gupta,
 Sourab" <sourab.gupta@intel.com>, Laurent Pinchart <laurent.pinchart@ideasonboard.com>
List-Id: dri-devel@lists.freedesktop.org
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