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=-2.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 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 B9716C3A59B for ; Mon, 2 Sep 2019 06:09:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 95A012190F for ; Mon, 2 Sep 2019 06:09:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729299AbfIBGJO (ORCPT ); Mon, 2 Sep 2019 02:09:14 -0400 Received: from szxga07-in.huawei.com ([45.249.212.35]:50448 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1725839AbfIBGJN (ORCPT ); Mon, 2 Sep 2019 02:09:13 -0400 Received: from DGGEMS405-HUB.china.huawei.com (unknown [172.30.72.58]) by Forcepoint Email with ESMTP id DA43FADD0A20B83956FB; Mon, 2 Sep 2019 14:09:09 +0800 (CST) Received: from [127.0.0.1] (10.74.191.121) by DGGEMS405-HUB.china.huawei.com (10.3.19.205) with Microsoft SMTP Server id 14.3.439.0; Mon, 2 Sep 2019 14:09:00 +0800 Subject: Re: [PATCH v2 7/9] sparc64: numa: check the node id consistently for sparc64 To: David Miller CC: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , References: <1567231103-13237-8-git-send-email-linyunsheng@huawei.com> <20190830.235337.570776316111294728.davem@davemloft.net> <0195eb73-99ae-fec2-3e11-2cb9e6677926@huawei.com> <20190831.130250.1236116087422472663.davem@davemloft.net> From: Yunsheng Lin Message-ID: <1e128e33-427f-19a2-0e13-95a9c0656ab1@huawei.com> Date: Mon, 2 Sep 2019 14:08:31 +0800 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.2.0 MIME-Version: 1.0 In-Reply-To: <20190831.130250.1236116087422472663.davem@davemloft.net> Content-Type: text/plain; charset="utf-8" Content-Language: en-US Content-Transfer-Encoding: 7bit X-Originating-IP: [10.74.191.121] X-CFilter-Loop: Reflected Sender: linux-mips-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-mips@vger.kernel.org On 2019/9/1 4:02, David Miller wrote: > 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. Thanks for pointing out. The NUMA node id in sparc64 system is defined by DT semantics? > > . >