From mboxrd@z Thu Jan  1 00:00:00 1970
From: Andrew Cooper <andrew.cooper3@citrix.com>
Subject: Re: [PATCH] ns16550: limit mapped MMIO size
Date: Thu, 12 Nov 2015 17:04:00 +0000
Message-ID: <5644C680.50601@citrix.com>
References: <5644C3E002000078000B4594@prv-mh.provo.novell.com>
Mime-Version: 1.0
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: 7bit
Return-path: <xen-devel-bounces@lists.xen.org>
Received: from mail6.bemta3.messagelabs.com ([195.245.230.39])
	by lists.xen.org with esmtp (Exim 4.72)
	(envelope-from <prvs=751d397f3=Andrew.Cooper3@citrix.com>)
	id 1ZwvI5-00022O-Km
	for xen-devel@lists.xenproject.org; Thu, 12 Nov 2015 17:04:05 +0000
In-Reply-To: <5644C3E002000078000B4594@prv-mh.provo.novell.com>
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>
Sender: xen-devel-bounces@lists.xen.org
Errors-To: xen-devel-bounces@lists.xen.org
To: Jan Beulich <JBeulich@suse.com>, xen-devel <xen-devel@lists.xenproject.org>
Cc: Ian Campbell <Ian.Campbell@eu.citrix.com>, Ian Jackson <Ian.Jackson@eu.citrix.com>, Keir Fraser <keir@xen.org>, Tim Deegan <tim@xen.org>
List-Id: xen-devel@lists.xenproject.org

On 12/11/15 15:52, Jan Beulich wrote:
> There's no point in mapping more than the memory we actually may need
> to touch, and in fact the too large region could actually extend into
> another device's one (which currently is benign on x86 since only a
> single page gets mapped anyway, but which is a latent bug on ARM
> whenever PCI support gets enabled there).
>
> Signed-off-by: Jan Beulich <jbeulich@suse.com>

Reviewed-by: Andrew Cooper <andrew.cooper3@citrix.com>