From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 640FFC3A5A6 for ; Sat, 31 Aug 2019 20:02:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2E79A23405 for ; Sat, 31 Aug 2019 20:02:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728510AbfHaUC4 (ORCPT ); Sat, 31 Aug 2019 16:02:56 -0400 Received: from shards.monkeyblade.net ([23.128.96.9]:55806 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728481AbfHaUC4 (ORCPT ); Sat, 31 Aug 2019 16:02:56 -0400 Received: from localhost (unknown [IPv6:2601:601:9f80:35cd::d71]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) (Authenticated sender: davem-davemloft) by shards.monkeyblade.net (Postfix) with ESMTPSA id 57E3B14BBC0EC; Sat, 31 Aug 2019 13:02:53 -0700 (PDT) Date: Sat, 31 Aug 2019 13:02:50 -0700 (PDT) Message-Id: <20190831.130250.1236116087422472663.davem@davemloft.net> To: linyunsheng@huawei.com Cc: catalin.marinas@arm.com, will@kernel.org, mingo@redhat.com, bp@alien8.de, rth@twiddle.net, ink@jurassic.park.msu.ru, mattst88@gmail.com, benh@kernel.crashing.org, paulus@samba.org, mpe@ellerman.id.au, heiko.carstens@de.ibm.com, gor@linux.ibm.com, borntraeger@de.ibm.com, ysato@users.sourceforge.jp, dalias@libc.org, ralf@linux-mips.org, paul.burton@mips.com, jhogan@kernel.org, jiaxun.yang@flygoat.com, chenhc@lemote.com, akpm@linux-foundation.org, rppt@linux.ibm.com, anshuman.khandual@arm.com, tglx@linutronix.de, cai@lca.pw, robin.murphy@arm.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, hpa@zytor.com, x86@kernel.org, dave.hansen@linux.intel.com, luto@kernel.org, peterz@infradead.org, len.brown@intel.com, axboe@kernel.dk, dledford@redhat.com, jeffrey.t.kirsher@intel.com, linux-alpha@vger.kernel.org, nfont@linux.vnet.ibm.com, naveen.n.rao@linux.vnet.ibm.com, mwb@linux.vnet.ibm.com, linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, tbogendoerfer@suse.de, linux-mips@vger.kernel.org, linuxarm@huawei.com Subject: Re: [PATCH v2 7/9] sparc64: numa: check the node id consistently for sparc64 From: David Miller In-Reply-To: <0195eb73-99ae-fec2-3e11-2cb9e6677926@huawei.com> References: <1567231103-13237-8-git-send-email-linyunsheng@huawei.com> <20190830.235337.570776316111294728.davem@davemloft.net> <0195eb73-99ae-fec2-3e11-2cb9e6677926@huawei.com> X-Mailer: Mew version 6.8 on Emacs 26.1 Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.5.12 (shards.monkeyblade.net [149.20.54.216]); Sat, 31 Aug 2019 13:02:54 -0700 (PDT) Sender: linux-mips-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-mips@vger.kernel.org From: Yunsheng Lin Date: Sat, 31 Aug 2019 16:57:04 +0800 > Did you mean sparc64 system does not has ACPI, the device's node id will > not specified by ACPI, so the ACPI is unrelated here? Yes, sparc64 never has and never will have ACPI. This is also true for several other platforms where you have made this change. The assumption of your entire patch set is that the semantics of the NUMA node ID are somehow completely defined by ACPI semantics. Which is not true.