From mboxrd@z Thu Jan  1 00:00:00 1970
From: Sergej Proskurin <proskurin@sec.in.tum.de>
Subject: Re: [PATCH 18/22] xen/arm: p2m: Rework the context
 switch to another VTTBR in flush_tlb_domain
Date: Fri, 22 Jul 2016 09:51:33 +0200
Message-ID: <20a14246-4013-b431-650c-a6b0860977b2@sec.in.tum.de>
References: <1469031064-23344-1-git-send-email-julien.grall@arm.com>
 <1469031064-23344-19-git-send-email-julien.grall@arm.com>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: base64
Return-path: <xen-devel-bounces@lists.xen.org>
In-Reply-To: <1469031064-23344-19-git-send-email-julien.grall@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: Julien Grall <julien.grall@arm.com>, xen-devel@lists.xen.org
Cc: sstabellini@kernel.org, wei.chen@linaro.org, steve.capper@arm.com
List-Id: xen-devel@lists.xenproject.org
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