Received: by 2002:a05:6602:18e:0:0:0:0 with SMTP id m14csp347900ioo; Sat, 21 May 2022 00:48:01 -0700 (PDT) X-Google-Smtp-Source: ABdhPJzAmyxXrtTPs21bAeJZvo++uY7QAlME27vmi2l9QjAdrFe7zv6vBnfGsf0NadvUMtgqY8/7 X-Received: by 2002:a17:906:1f52:b0:6f4:ebc2:da82 with SMTP id d18-20020a1709061f5200b006f4ebc2da82mr12171222ejk.176.1653119281143; Sat, 21 May 2022 00:48:01 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1653119281; cv=none; d=google.com; s=arc-20160816; b=PGeQyF8MZBSkn+x7DQGySod0eiPP34IGbYySc+nq9ZXG3GhTRNFGDuZ8cSlPNOWT7v ENXMW6qlTstr0271gwUEmoMyNBdQWbfDL94gDJs+ZqaQfUV5Sv63yHgBCpiz4xVCLbWv m2xjoICBGvn3UsuNpEkQEb77plokCu72rRKMCdTGWKwv0b9uY9x5NhC6NbN7rC3e6bCW 6kR8SCKPcvWzW+RSvxtfALtiqaC3NMhw7mTXTiOHyWYseCwcqRjObKNdXglexkTRuGFS 5RAwvKDm2EQ8Yqz4/+AEjUVohbyM5YtmnORBzL1UYQ5HOIzyoOBFqKLiwAm2dYTbukYH cX8w== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:in-reply-to:from :references:cc:to:content-language:subject:user-agent:mime-version :date:message-id; bh=MRRW2or9c+VsIsKGr1aOn4JAF2bWjdiMGu7T5+QQSbo=; b=mRVNvy7p3TxQVvW9zCo0LrHg0p7wkUR3HCHg/QbyLacUWz/IBQDTCfWoJgU/iDmHvz P60+rsf1D62+4IOKHaz9zik2ZcBx/NnnQ4emt2hSEtncW+b2FKij9RRf+CGGRkGs4NGO bQ/vKFcu0N/xF3ZqHjGb16onW6PX2VEzIl6/Efuu1CzgxeerJdiylUHwClMYxrTSJT2I 5msukaVB9N5GEhMOKXC9MF3TCZeUcinz6ML9n6DDdh6YnJztPEcT8EVKB9jKhhP2fPZv U3+4a+lvPMhVt4+C/KaxPOKf13EtNpsE/QcMoGsdyp1d6cfsiHyvBYqvsWd5zu74Tf4i sYIA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=arm.com Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id hp34-20020a1709073e2200b006fd611a9224si12843905ejc.29.2022.05.21.00.47.34; Sat, 21 May 2022 00:48:01 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=arm.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1349251AbiETMbl (ORCPT + 99 others); Fri, 20 May 2022 08:31:41 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50834 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S243910AbiETMbj (ORCPT ); Fri, 20 May 2022 08:31:39 -0400 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 2C6E6B2273 for ; Fri, 20 May 2022 05:31:38 -0700 (PDT) Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 9AF1C1477; Fri, 20 May 2022 05:31:37 -0700 (PDT) Received: from [172.29.1.145] (unknown [172.31.20.19]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id A6CB23F718; Fri, 20 May 2022 05:31:33 -0700 (PDT) Message-ID: Date: Fri, 20 May 2022 14:31:24 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.8.1 Subject: Re: [PATCH v2 1/8] arch_topology: Don't set cluster identifier as physical package identifier Content-Language: en-US To: Sudeep Holla , Atish Patra , linux-kernel@vger.kernel.org Cc: Atish Patra , Vincent Guittot , Morten Rasmussen , Qing Wang , linux-arm-kernel@lists.infradead.org, linux-riscv@lists.infradead.org, Rob Herring References: <20220518093325.2070336-1-sudeep.holla@arm.com> <20220518093325.2070336-2-sudeep.holla@arm.com> From: Dietmar Eggemann In-Reply-To: <20220518093325.2070336-2-sudeep.holla@arm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-7.6 required=5.0 tests=BAYES_00,NICE_REPLY_A, RCVD_IN_DNSWL_HI,SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 18/05/2022 11:33, Sudeep Holla wrote: You say `cluster identifier` which to me refers to `cpu_topology[cpu].cluster_id`. But I guess you meant `cluster node` from cpu-map DT node? Otherwise you say we link (1.level) cpu-map cluster nodes to `cluster_id\_sibling`? But then (1) we will never support nested clusters and (2) why would we need llc support then? [...]