From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from e17.ny.us.ibm.com (e17.ny.us.ibm.com [129.33.205.207]) (using TLSv1 with cipher CAMELLIA256-SHA (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id BB4841A01E3 for ; Tue, 29 Sep 2015 03:05:05 +1000 (AEST) Received: from localhost by e17.ny.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Mon, 28 Sep 2015 13:05:01 -0400 Received: from b01cxnp23032.gho.pok.ibm.com (b01cxnp23032.gho.pok.ibm.com [9.57.198.27]) by d01dlp03.pok.ibm.com (Postfix) with ESMTP id 6A627C90045 for ; Mon, 28 Sep 2015 12:56:02 -0400 (EDT) Received: from d01av02.pok.ibm.com (d01av02.pok.ibm.com [9.56.224.216]) by b01cxnp23032.gho.pok.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id t8SH4w3s55181526 for ; Mon, 28 Sep 2015 17:04:59 GMT Received: from d01av02.pok.ibm.com (localhost [127.0.0.1]) by d01av02.pok.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id t8SH4v7t021442 for ; Mon, 28 Sep 2015 13:04:58 -0400 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 In-Reply-To: List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , 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