From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from e23smtp01.au.ibm.com (e23smtp01.au.ibm.com [202.81.31.143]) (using TLSv1 with cipher CAMELLIA256-SHA (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id A2E491A0024 for ; Wed, 30 Sep 2015 04:19:31 +1000 (AEST) Received: from /spool/local by e23smtp01.au.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Wed, 30 Sep 2015 04:19:29 +1000 Received: from d23relay07.au.ibm.com (d23relay07.au.ibm.com [9.190.26.37]) by d23dlp03.au.ibm.com (Postfix) with ESMTP id 43E8C3578052 for ; Wed, 30 Sep 2015 04:19:26 +1000 (EST) Received: from d23av04.au.ibm.com (d23av04.au.ibm.com [9.190.235.139]) by d23relay07.au.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id t8TIJIrg62128264 for ; Wed, 30 Sep 2015 04:19:27 +1000 Received: from d23av04.au.ibm.com (localhost [127.0.0.1]) by d23av04.au.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id t8TIIqhe011824 for ; Wed, 30 Sep 2015 04:18:53 +1000 Message-ID: <560AD654.1060401@linux.vnet.ibm.com> Date: Tue, 29 Sep 2015 23:50:04 +0530 From: Raghavendra K T 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 List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , 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.