From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S935374AbbI2STm (ORCPT ); Tue, 29 Sep 2015 14:19:42 -0400 Received: from e23smtp04.au.ibm.com ([202.81.31.146]:53186 "EHLO e23smtp04.au.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S935309AbbI2STe (ORCPT ); Tue, 29 Sep 2015 14:19:34 -0400 X-Helo: d23dlp02.au.ibm.com X-MailFrom: raghavendra.kt@linux.vnet.ibm.com X-RcptTo: linux-kernel@vger.kernel.org Message-ID: <560AD654.1060401@linux.vnet.ibm.com> Date: Tue, 29 Sep 2015 23:50:04 +0530 From: Raghavendra K T Organization: IBM User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130625 Thunderbird/17.0.7 MIME-Version: 1.0 To: Nishanth Aravamudan , Denis Kirjanov CC: 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 References: <1443378553-2146-1-git-send-email-raghavendra.kt@linux.vnet.ibm.com> <20150928170455.GA48470@linux.vnet.ibm.com> In-Reply-To: <20150928170455.GA48470@linux.vnet.ibm.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 15092918-0013-0000-0000-000001F728D3 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 09/28/2015 10:34 PM, Nishanth Aravamudan wrote: > 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 :( Hi Denis, Thanks for your interest. I have pushed the patches to https://github.com/ktraghavendra/linux/tree/serialnuma_v1 if it makes patches easy to grab. > > Note that it's also interesting to try it under PowerVM, with odd NUMA > topologies and report any issues found :) > Thanks Nish, I 'll also grab a powerVM and test.