From mboxrd@z Thu Jan  1 00:00:00 1970
From: Shanker Donthineni <shankerd@codeaurora.org>
Subject: Re: [PATCH v2] arm: Fix asynchronous aborts (SError
 exceptions) due to bogus PTEs
Date: Mon, 21 Mar 2016 18:18:39 -0500
Message-ID: <56F0814F.9090805@codeaurora.org>
References: <1458155303-8816-1-git-send-email-shankerd@codeaurora.org>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: base64
Return-path: <xen-devel-bounces@lists.xen.org>
Received: from mail6.bemta3.messagelabs.com ([195.245.230.39])
 by lists.xenproject.org with esmtp (Exim 4.84_2)
 (envelope-from <shankerd@codeaurora.org>) id 1ai960-0004Mp-VF
 for xen-devel@lists.xenproject.org; Mon, 21 Mar 2016 23:18:49 +0000
In-Reply-To: <1458155303-8816-1-git-send-email-shankerd@codeaurora.org>
List-Unsubscribe: <http://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: <http://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 <xen-devel@lists.xenproject.org>
Cc: Andrew Cooper <andrew.cooper3@citrix.com>, Philip Elcan <pelcan@codeaurora.org>, Vikram Sethi <vikrams@codeaurora.org>, Jan Beulich <JBeulich@suse.com>, Stefano Stabellini <stefano.stabellini@eu.citrix.com>
List-Id: xen-devel@lists.xenproject.org
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