From mboxrd@z Thu Jan  1 00:00:00 1970
From: Andrew Cooper <andrew.cooper3@citrix.com>
Subject: Re: NUMA nodes with no cpus
Date: Mon, 14 Apr 2014 16:18:18 +0100
Message-ID: <534BFC3A.20200@citrix.com>
References: <1397239681-16522-1-git-send-email-konrad@kernel.org>
	<1397239681-16522-2-git-send-email-konrad@kernel.org>
	<534BC8FE0200007800008540@nat28.tlf.novell.com>
	<20140414150402.GE23371@phenom.dumpdata.com>
Mime-Version: 1.0
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: 7bit
Return-path: <xen-devel-bounces@lists.xen.org>
In-Reply-To: <20140414150402.GE23371@phenom.dumpdata.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: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: keir@xen.org, dario.faggioli@citrix.com, tim@xen.org, xen-devel@lists.xen.org, Konrad Rzeszutek Wilk <konrad@kernel.org>, Jan Beulich <JBeulich@suse.com>, malcolm.crossley@citrix.com
List-Id: xen-devel@lists.xenproject.org

On 14/04/14 16:04, Konrad Rzeszutek Wilk wrote:
>
> P.S.
> I don't know of any real-life scenarios where there are NUMA nodes without
> CPUs.

Very easy to end up with a scenario like this by disabling cpus in the
bios or Xen command line.  I would hope it is never seen in a production
scenario.

~Andrew