From mboxrd@z Thu Jan  1 00:00:00 1970
From: Julien Grall <julien.grall@arm.com>
Subject: Re: xen/arm: Software Step ARMv8 - PC stuck on
 instruction
Date: Thu, 3 Aug 2017 12:08:00 +0100
Message-ID: <f41e8e7c-571f-6f85-4ab1-57be1474b63e@arm.com>
References: <CAAH2incYjXgKX8scZjiSZc=QkQUSvV2SRDBeGhjtMgVf9BR1uA@mail.gmail.com>
 <cae18431-5285-569b-af96-a3ad6509bfa4@arm.com>
 <CAAH2infUs+YoBio9v61SonCL6uPcbXsciKm1NwPD2A_qhPN4=g@mail.gmail.com>
 <CAAH2ineGnh5VzDsVQLUaSN_o+wqBST4R7H18GJpHFqzgbmX9Ww@mail.gmail.com>
 <51641005-94fc-2b04-ae49-25e84f3cc56f@arm.com>
 <CAAH2inecSROApnj=bevD7mxPFR-K-ctzVFg2EEE6X+BEvzSjEg@mail.gmail.com>
 <5982FEF9.7080007@arm.com>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"; Format="flowed"
Content-Transfer-Encoding: base64
Return-path: <xen-devel-bounces@lists.xen.org>
Received: from mail6.bemta5.messagelabs.com ([195.245.231.135])
 by lists.xenproject.org with esmtp (Exim 4.84_2)
 (envelope-from <julien.grall@arm.com>) id 1ddDz3-0004YP-FM
 for xen-devel@lists.xenproject.org; Thu, 03 Aug 2017 11:08:05 +0000
In-Reply-To: <5982FEF9.7080007@arm.com>
List-Unsubscribe: <https://lists.xen.org/cgi-bin/mailman/options/xen-devel>,
 <mailto:xen-devel-request@lists.xen.org?subject=unsubscribe>
List-Post: <mailto:xen-devel@lists.xen.org>
List-Help: <mailto:xen-devel-request@lists.xen.org?subject=help>
List-Subscribe: <https://lists.xen.org/cgi-bin/mailman/listinfo/xen-devel>,
 <mailto:xen-devel-request@lists.xen.org?subject=subscribe>
Errors-To: xen-devel-bounces@lists.xen.org
Sender: "Xen-devel" <xen-devel-bounces@lists.xen.org>
To: James Morse <james.morse@arm.com>, Florian Jakobsmeier <florian.jakobsmeier@googlemail.com>
Cc: xen-devel <xen-devel@lists.xenproject.org>, Stefano Stabellini <sstabellini@kernel.org>
List-Id: xen-devel@lists.xenproject.org
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