From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <linux-kernel-owner@vger.kernel.org>
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
	id S1752388AbbCWL7f (ORCPT <rfc822;w@1wt.eu>);
	Mon, 23 Mar 2015 07:59:35 -0400
Received: from smtp.citrix.com ([66.165.176.89]:10067 "EHLO SMTP.CITRIX.COM"
	rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP
	id S1752106AbbCWL7e (ORCPT <rfc822;linux-kernel@vger.kernel.org>);
	Mon, 23 Mar 2015 07:59:34 -0400
X-IronPort-AV: E=Sophos;i="5.11,452,1422921600"; 
   d="scan'208";a="245766436"
Message-ID: <5510001F.7020706@citrix.com>
Date: Mon, 23 Mar 2015 11:59:27 +0000
From: David Vrabel <david.vrabel@citrix.com>
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Icedove/31.4.0
MIME-Version: 1.0
To: Daniel Kiper <daniel.kiper@oracle.com>, Juergen Gross <jgross@suse.com>
CC: <linux-kernel@vger.kernel.org>, <xen-devel@lists.xensource.com>,
        <konrad.wilk@oracle.com>, <boris.ostrovsky@oracle.com>,
        <pebolle@tiscali.nl>
Subject: Re: [Patch V2 2/2] xen: before ballooning hotplugged memory, set
 frames to invalid
References: <1426856139-3359-1-git-send-email-jgross@suse.com>
 <1426856139-3359-3-git-send-email-jgross@suse.com>
 <20150320134642.GJ27971@olila.local.net-space.pl>
In-Reply-To: <20150320134642.GJ27971@olila.local.net-space.pl>
Content-Type: text/plain; charset="windows-1252"
Content-Transfer-Encoding: 7bit
X-DLP: MIA1
Sender: linux-kernel-owner@vger.kernel.org
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

On 20/03/15 13:46, Daniel Kiper wrote:
> On Fri, Mar 20, 2015 at 01:55:39PM +0100, Juergen Gross wrote:
>> Commit 25b884a83d487fd62c3de7ac1ab5549979188482 ("x86/xen: set
>> regions above the end of RAM as 1:1") introduced a regression.
>>
> 
> Should not we fill everything above "maxmem" with
> INVALID_P2M_ENTRY at boot time?

No.  See the commit referenced above.

David