Received: by 2002:a05:6602:2086:0:0:0:0 with SMTP id a6csp3922610ioa; Tue, 26 Apr 2022 12:28:09 -0700 (PDT) X-Google-Smtp-Source: ABdhPJyxmXORZN/m2wfSHGLv99PSZ7cD/XjE16odQiTYYBjuV0ojqPKuDrOfUvSi8xyc0reCmVYW X-Received: by 2002:a05:6402:2709:b0:423:e570:c2b3 with SMTP id y9-20020a056402270900b00423e570c2b3mr26152214edd.413.1651001289481; Tue, 26 Apr 2022 12:28:09 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1651001289; cv=none; d=google.com; s=arc-20160816; b=d1PddJipwS2pqTAR8CYWYo1INV/eIQaHtSfk+BIZcDH2uu/eDkpgdvVgrY6r/wYf9r nmV7AlayYvb2S4YQeyVRXogyjoqg/Ov56RfIMM1H3ykZQ/ADgWZKQm0vB4YKhInGj3Rm n4V/fpPjCl/SuLIupuP3BMoXWzRTaX1uQMiC+sRo4yPwZQ5mHr5eALQYr3ONTW1RGc3E e9jPP5g0jNQsGLe6CbnFKuIibBlbzYYYOWMb4LORURVLbzLHjh9yeRQSRwh+9RY9SnWI kggxD3nWBV4x9loT5X+tWi4BP3SW6+juG5NVqZSiOjUopPpkAIS6diB5meJFmhVuzfeO NTiw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:in-reply-to:content-transfer-encoding :content-disposition:mime-version:references:message-id:subject:cc :to:from:date; bh=YUvbH8/E4k03FFO4VGwP6zhVfK5QzWlKduQyMlhrRac=; b=TeFdet+dIpt4Gz/9XiV7K4wsWnxBtJPYAmqKxND/HFLnXH7n97ItXUCgKzFSsdA5/S EneH9uj7chflBg5ez/4IQBK3xivZ6K6sgK3frp7aL6eUa8zaRkBRb+mq+fAPHGQOkHjw 86kTXleGCIEifKCSbOjl4VGXekeXsgKQvq11nLSGpXvIE7d4j1lO40R4NAD5kwV4taDF 50+SsrDInCGvGseJT4/IX05/lgAEYmbDhNXifbuK0KHo+Ie+YpvXMpRZmGQRQM1YaShq sxLzbxVejsQTLaM4jl+jKvkkX8fgtitW7hSEAiKXOEwSh/iznfxe3gTscwaxrEIQ8BZp glPA== 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 k1-20020a170906a38100b006df76385d9bsi16612080ejz.571.2022.04.26.12.27.45; Tue, 26 Apr 2022 12:28:09 -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 S1346513AbiDZNay (ORCPT + 99 others); Tue, 26 Apr 2022 09:30:54 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52326 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238485AbiDZNaw (ORCPT ); Tue, 26 Apr 2022 09:30:52 -0400 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id A275118D6A3 for ; Tue, 26 Apr 2022 06:27:44 -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 70818ED1; Tue, 26 Apr 2022 06:27:44 -0700 (PDT) Received: from bogus (e103737-lin.cambridge.arm.com [10.1.197.49]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id E4F5D3F774; Tue, 26 Apr 2022 06:27:42 -0700 (PDT) Date: Tue, 26 Apr 2022 14:27:40 +0100 From: Sudeep Holla To: =?utf-8?B?546L5pOO?= Cc: Catalin Marinas , Sudeep Holla , Will Deacon , Greg Kroah-Hartman , "Rafael J. Wysocki" , "linux-arm-kernel@lists.infradead.org" , "linux-kernel@vger.kernel.org" , "vincent.guittot@linaro.org" , "dietmar.eggemann@arm.com" , Jonathan Cameron Subject: Re: [PATCH V2 0/2] Add complex scheduler level for arm64 Message-ID: <20220426132740.yhthgoazoolvlven@bogus> References: <1650628289-67716-1-git-send-email-wangqing@vivo.com> <20220425141926.00004d2e@Huawei.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00,RCVD_IN_DNSWL_HI, SPF_HELO_NONE,SPF_PASS 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 Tue, Apr 26, 2022 at 07:05:15AM +0000, 王擎 wrote: > > Hi Sudeep: > > I am thinking if it is possible to add a complex level cpu topology > between cluster and SMT? > > We can describe it directly in “cpu-map”, instead of parsing it through > the cache info. > I don't know or understand what you mean by that. Do you have a proposal for DT bindings ? Please post the patch with details on the motivation for the change to help us understand your proposal. I can't comment much without seeing or understanding your proposal at this moment. -- Regards, Sudeep