From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934437AbbI1RFE (ORCPT ); Mon, 28 Sep 2015 13:05:04 -0400 Received: from e18.ny.us.ibm.com ([129.33.205.208]:51676 "EHLO e18.ny.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934118AbbI1RFC (ORCPT ); Mon, 28 Sep 2015 13:05:02 -0400 X-IBM-Helo: d01dlp02.pok.ibm.com X-IBM-MailFrom: nacc@linux.vnet.ibm.com X-IBM-RcptTo: linux-kernel@vger.kernel.org Date: Mon, 28 Sep 2015 10:04:55 -0700 From: Nishanth Aravamudan To: Denis Kirjanov Cc: Raghavendra K T , benh@kernel.crashing.org, paulus@samba.org, mpe@ellerman.id.au, nikunj@linux.vnet.ibm.com, linux-kernel@vger.kernel.org, anton@samba.org, grant.likely@linaro.org, cl@linux.com, khandual@linux.vnet.ibm.com, linuxppc-dev@lists.ozlabs.org, gkurz@linux.vnet.ibm.com Subject: Re: [PATCH RFC 0/5] powerpc:numa Add serial nid support Message-ID: <20150928170455.GA48470@linux.vnet.ibm.com> References: <1443378553-2146-1-git-send-email-raghavendra.kt@linux.vnet.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Operating-System: Linux 3.13.0-40-generic (x86_64) User-Agent: Mutt/1.5.21 (2010-09-15) X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 15092817-0045-0000-0000-0000019ECBE9 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 28.09.2015 [13:44:42 +0300], Denis Kirjanov wrote: > On 9/27/15, Raghavendra K T wrote: > > Problem description: > > Powerpc has sparse node numbering, i.e. on a 4 node system nodes are > > numbered (possibly) as 0,1,16,17. At a lower level, we map the chipid > > got from device tree is naturally mapped (directly) to nid. > > Interesting thing to play with, I'll try to test it on my POWER7 box, > but it doesn't have the OPAL layer :( Note that it's also interesting to try it under PowerVM, with odd NUMA topologies and report any issues found :) -Nish