From mboxrd@z Thu Jan  1 00:00:00 1970
From: Dave Gordon <david.s.gordon@intel.com>
Subject: Re: [PATCH igt] core/sighelper: Interrupt everyone in
 the process group
Date: Mon, 11 Jan 2016 13:29:12 +0000
Message-ID: <5693AE28.8040905@intel.com>
References: <1452242669-20869-1-git-send-email-chris@chris-wilson.co.uk>
 <20160111075733.GI8076@phenom.ffwll.local>
 <20160111085459.GN652@nuc-i3427.alporthouse.com>
 <20160111090614.GU8076@phenom.ffwll.local> <56939F23.4050401@intel.com>
 <20160111123435.GU652@nuc-i3427.alporthouse.com>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"; Format="flowed"
Content-Transfer-Encoding: base64
Return-path: <intel-gfx-bounces@lists.freedesktop.org>
Received: from mga01.intel.com (mga01.intel.com [192.55.52.88])
 by gabe.freedesktop.org (Postfix) with ESMTP id EBA686E36E
 for <intel-gfx@lists.freedesktop.org>; Mon, 11 Jan 2016 05:29:14 -0800 (PST)
In-Reply-To: <20160111123435.GU652@nuc-i3427.alporthouse.com>
List-Unsubscribe: <http://lists.freedesktop.org/mailman/options/intel-gfx>,
 <mailto:intel-gfx-request@lists.freedesktop.org?subject=unsubscribe>
List-Archive: <http://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: <http://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>, Daniel Vetter <daniel@ffwll.ch>, intel-gfx@lists.freedesktop.org
List-Id: intel-gfx@lists.freedesktop.org
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