Received: by 2002:a05:6358:3188:b0:123:57c1:9b43 with SMTP id q8csp28455645rwd; Tue, 4 Jul 2023 20:16:54 -0700 (PDT) X-Google-Smtp-Source: APBJJlHhnK6PnaT92y5IC7aVJe9v1OkrsXhxWSgC5Dy0q5TzxXCLh1FaKRgpi6erzCvX2ovHP+hP X-Received: by 2002:a05:6a20:6a22:b0:106:9266:4448 with SMTP id p34-20020a056a206a2200b0010692664448mr1432493pzk.16.1688527013843; Tue, 04 Jul 2023 20:16:53 -0700 (PDT) ARC-Seal: i=2; a=rsa-sha256; t=1688527013; cv=pass; d=google.com; s=arc-20160816; b=lyHMx6D5EUhyv76SenHMBm0lHz/0qJ6BuKH8dVJp16NTMxaXXrN6/oCavqfF6aR5u4 FORAJYtQd1kyW7YQAaa+WcAI+jGe04vHjKqYfUL01sMNGjIruPuu+p/DS/6zRXY2fI6+ g2tMsGS9ilipN7f+awGMO29diQ+4iaXVxXGep156EZDwIHA0gNcFZBSPNuwuFse7AqT+ rTLi/rlQCKKStAY/+Bl0qg+8YIPiIc859J/bXguprKpS54xDXRPkI89J/9ZfucGWq5yv nTWe0ESGrW8FxAtoExNtDpA6WhAZoLsIpBWPQF432NxPI0LdYKt4nblYxBoVZmfBqpfs fTBA== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:mime-version:content-transfer-encoding :content-id:user-agent:content-language:accept-language:in-reply-to :references:message-id:date:thread-index:thread-topic:subject:cc:to :from:dkim-signature; bh=3ez0J17sKKBoA73t3dppmh8Sp84SjFwzHT9kESkWpdE=; fh=M3ez4htMETyoKGjzjx2krj98uXZSRSCWJ6BlE6A5Br4=; b=A+mYtv6qxzTUhRIeoR5cd4nU9A3Z8VSBLbtqCtmdTn4kZZOltNxVerZizOjMxr6/1S BGcUEYcrk18f1+PbdVoM2CXko7xlku4QdyMjcggo0GJlT1ayicx2Isst1wAGL7xewwNL 3B4owTyUWc+D2mx7FcTP8vU+wNf6m76e+FkC2cyEdPeu1sAQMn/cH2QUxCo2yFZVVKGq Z4P4uaKTS/AX19z3TyyABl1ucNdVi1jZUByKp7hox2+WKdT1R2IrdCk3POVJA1SErIMp B3YELEQ//+fyYnGNfk/f7DQnpH/Fgbk/CB4t+VchFvCeT2b1jJBWtWB2M+rxfg3wFYY4 TZyw== ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@intel.com header.s=Intel header.b="lX4+rdg/"; arc=pass (i=1 spf=pass spfdomain=intel.com dkim=pass dkdomain=intel.com dmarc=pass fromdomain=intel.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=pass (p=NONE sp=NONE dis=NONE) header.from=intel.com Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id y188-20020a6364c5000000b00543c8ad57f1si23636203pgb.67.2023.07.04.20.16.38; Tue, 04 Jul 2023 20:16:53 -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; dkim=pass header.i=@intel.com header.s=Intel header.b="lX4+rdg/"; arc=pass (i=1 spf=pass spfdomain=intel.com dkim=pass dkdomain=intel.com dmarc=pass fromdomain=intel.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=pass (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230353AbjGEDGF (ORCPT + 99 others); Tue, 4 Jul 2023 23:06:05 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:32786 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229532AbjGEDGC (ORCPT ); Tue, 4 Jul 2023 23:06:02 -0400 Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3306FE72; Tue, 4 Jul 2023 20:06:02 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1688526362; x=1720062362; h=from:to:cc:subject:date:message-id:references: in-reply-to:content-id:content-transfer-encoding: mime-version; bh=3ez0J17sKKBoA73t3dppmh8Sp84SjFwzHT9kESkWpdE=; b=lX4+rdg/B5cA70VG97umx3GwFOKeHC2IJ8TVu8AQtATqtQfsHCSCKBIy Wm4cQU//Lp46VUsy9ZiO4s2z82lO5nhzi6XU6UO7v9YteGzto+XIl55FH dEdgKKKiSjjmrl9nHh2MP2Oykexd5wa7ssxqEprHhrz1MDEwKtmqD55Hq DQo49BPnAREI5kbjFg/UFcScUtBMQydbgrnTmUrzi55enqUVSl00M8sKR cpiTUXNBVYe63g8oUKwlGtH7+50zrmCzSNzi3iOyr1SOe1m3Lje5LxypG sCCzik0OP3ICVNfd6Rke/qkJ63Ay8AOIj2Uzdzdfjdqj2pNNWzIbyrvvL g==; X-IronPort-AV: E=McAfee;i="6600,9927,10761"; a="362097749" X-IronPort-AV: E=Sophos;i="6.01,181,1684825200"; d="scan'208";a="362097749" Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Jul 2023 20:06:00 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10761"; a="832351745" X-IronPort-AV: E=Sophos;i="6.01,181,1684825200"; d="scan'208";a="832351745" Received: from orsmsx602.amr.corp.intel.com ([10.22.229.15]) by fmsmga002.fm.intel.com with ESMTP; 04 Jul 2023 20:05:59 -0700 Received: from orsmsx610.amr.corp.intel.com (10.22.229.23) by ORSMSX602.amr.corp.intel.com (10.22.229.15) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.27; Tue, 4 Jul 2023 20:05:57 -0700 Received: from orsedg603.ED.cps.intel.com (10.7.248.4) by orsmsx610.amr.corp.intel.com (10.22.229.23) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.27 via Frontend Transport; Tue, 4 Jul 2023 20:05:57 -0700 Received: from NAM12-BN8-obe.outbound.protection.outlook.com (104.47.55.169) by edgegateway.intel.com (134.134.137.100) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.1.2507.27; Tue, 4 Jul 2023 20:05:56 -0700 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=PaBOnJDTkqOU7OJ8y9a85OkHFhaZx0rlw6Y0dK6DZGS/EjAIIH+m05PapVBn3tOklasCp+oZvK3GWOSZd+1ykDFuM+jVCdXiBwIsqeCNUUcl4jSu9KpzH0IPTwi8AkW10A8P5tov668tsVGYWCi6PjrBJJEZXBHqgNr9foYQUh+0YOhvtR4UMmRy87slKG/osb6nLmGU7C4EGu4smWsaMRSSCz7daIcihIVc3XrouqN5HeYBCBkyBVmP3LG6oRy0aufSDwr3e9dRG0eQr1NFqg7I6ckKJ/HpuDMAEM1LzcvBzsdW/FPCt2aRZeZO/Z8/XYcpadWJqXOsJzuYd2SJPA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=3ez0J17sKKBoA73t3dppmh8Sp84SjFwzHT9kESkWpdE=; b=aU1QgE1snicbgvPEyceBB+P1bEqg1gPWyDMBYW04QKc2pmlcMbNk4WJx3rjhDyQ0EohpeskE6AHF34aqW97D+/IjjcWPCV8kAfpzVs7jTqurg1wzxB02uwDyceNkHAkabEyTMBHqy/A+PtCBQ86Q+rvU+0l72EflqrdzQu1Qzv/rUHLSMTR8KA6GBwE5QJS1E/oEWZ3PkBQBS66xT0Ucg5uB0ZqAHcBeV3w2ZXNJCeNBMXaPROwxaEv5O6NDOvDC8Z2zUK6ZL1qid+mbjr0e6a3RfYecV+WQ4IRWrvVGUCcIVAcjYIOdCltIvIbHPCZopqUQmxOgiOVswmycpat+rQ== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=intel.com; dmarc=pass action=none header.from=intel.com; dkim=pass header.d=intel.com; arc=none Received: from SJ0PR11MB6622.namprd11.prod.outlook.com (2603:10b6:a03:478::6) by LV8PR11MB8679.namprd11.prod.outlook.com (2603:10b6:408:1f9::5) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6565.17; Wed, 5 Jul 2023 03:05:54 +0000 Received: from SJ0PR11MB6622.namprd11.prod.outlook.com ([fe80::23ed:f657:76a5:722d]) by SJ0PR11MB6622.namprd11.prod.outlook.com ([fe80::23ed:f657:76a5:722d%2]) with mapi id 15.20.6544.024; Wed, 5 Jul 2023 03:05:54 +0000 From: "Zhang, Rui" To: "linuxppc-dev@lists.ozlabs.org" , "ldufour@linux.ibm.com" CC: "npiggin@gmail.com" , "dave.hansen@linux.intel.com" , "bp@alien8.de" , "mingo@redhat.com" , "tglx@linutronix.de" , "christophe.leroy@csgroup.eu" , "linux-kernel@vger.kernel.org" , "mpe@ellerman.id.au" , "linux-arch@vger.kernel.org" Subject: Re: [PATCH v3 3/9] cpu/SMT: Store the current/max number of threads Thread-Topic: [PATCH v3 3/9] cpu/SMT: Store the current/max number of threads Thread-Index: AQHZqpdKSJnBgUgGIkCZOHfP1AbxI6+qhf4A Date: Wed, 5 Jul 2023 03:05:54 +0000 Message-ID: References: <20230629143149.79073-1-ldufour@linux.ibm.com> <20230629143149.79073-4-ldufour@linux.ibm.com> In-Reply-To: <20230629143149.79073-4-ldufour@linux.ibm.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: user-agent: Evolution 3.44.4-0ubuntu1 authentication-results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=intel.com; x-ms-publictraffictype: Email x-ms-traffictypediagnostic: SJ0PR11MB6622:EE_|LV8PR11MB8679:EE_ x-ms-office365-filtering-correlation-id: 3b592771-b88d-462e-bf4d-08db7d04bf48 x-ms-exchange-senderadcheck: 1 x-ms-exchange-antispam-relay: 0 x-microsoft-antispam: BCL:0; x-microsoft-antispam-message-info: 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 x-forefront-antispam-report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:SJ0PR11MB6622.namprd11.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230028)(396003)(136003)(366004)(376002)(346002)(39860400002)(451199021)(186003)(82960400001)(478600001)(6512007)(26005)(6506007)(86362001)(71200400001)(2616005)(316002)(110136005)(54906003)(38100700002)(6486002)(66556008)(76116006)(91956017)(122000001)(64756008)(66446008)(66946007)(4326008)(66476007)(7416002)(5660300002)(8676002)(8936002)(38070700005)(2906002)(41300700001)(558084003)(36756003);DIR:OUT;SFP:1102; x-ms-exchange-antispam-messagedata-chunkcount: 1 x-ms-exchange-antispam-messagedata-0: =?utf-8?B?cVVuS1QwdUkzaWp0bHJXMWZqUCtkOWYzOUpWTUxZMkJxcnpzTGlyWEZ0VlZu?= =?utf-8?B?RzU0dFRPY0FZRlVaSXJDdEpWWk13ZDZQNWNXSTFycm1ocG9aQlN5M0ZHNGEv?= =?utf-8?B?UlIwN2RPYmxNZzZNZ3hTVzRUUWhPdFhseWZ2WFBWKy94OTdJM1Z1Z29NMzVa?= =?utf-8?B?VWNJUzJnTGppRUtFb1BFZzZUVVFEM2tqK0ZWUG1nTjM3VitIaWdUTWhIbTFE?= =?utf-8?B?blVjSFRZUElQMVRmaU1meFQ1WTBYbmsrS0Q3dkZhaHIzK1hYaDNoS1BtUktq?= =?utf-8?B?dGxsQnBON21oWWp3ZDk5Y1h3NkZoRjJpNVgrL3doNFNEY1ZiWHZ0aWdJVFV6?= =?utf-8?B?NGdkY2gxajFUM0ZEZGlCME92YVV6bzlnN1NKeVUyUVk3OXdDNXJPeGFwVUhk?= =?utf-8?B?OFpyU1NaTEc3YW5DdVVja09zYnRQUlBwYzBpSEZWYzJSWGIzb2F3YVN6ZmJl?= =?utf-8?B?dXFSbU1sNGNIc3JxcjB0RnZTSDkxUkdUSFAxcXNNaXVyZlRlV2QwMS9pYThV?= =?utf-8?B?Z0RhaFIxbDNGeXN0WmU1NVhxT2ZUNVVacU9QVFozRjY4ai93OGVZclR3UzJI?= =?utf-8?B?aXJsZXRTbnBpZXB6dGtyeEZISzFxdzIvVlB5eXgrOCt6SzVPNTdUcytZREQ2?= =?utf-8?B?VjR4R0xZc0dncVJkVVV0VmdsczFTRWpEYkxTNWhORjBjSEFZd2NHaE1JS21D?= =?utf-8?B?TkxGNWhRRzdsc212aFdwWnpXazNicHdRTE45K1UwQ0liWGNSdFdFcDE1ajlx?= =?utf-8?B?YkRDVWZ3WTZLNHpOK2FBbEJsemZhb1l3YVY1ZjN3ZEd2b1JhbUNtTHBoTkor?= =?utf-8?B?U2ptU2ZHdVVaZ3dOb1JjY3VKRXNyTzFZNUpYWGJOdXlsQWVvYUxuSEZ1MXRR?= =?utf-8?B?bnQ5R05hT0lSUExrWWlwRWFXRGZieEhvWWZ4VUFydzFKempXREkzNEplQXpQ?= =?utf-8?B?TDQ0N3ZmblVCWlVyUkU4T1FiZ2YvY2dsMnM0d205dnVDS0tLYncxWEUxYkJr?= =?utf-8?B?aEMxenR2VkRhWkp6WU5MdWRxdXRqSDVOeVMzMlM3OTNCVnpGTUNEOWlJang2?= =?utf-8?B?VHcyNFNKSlhaSWlVRlZEMjA0V2Z0TG9kMnBpY29qVTBnSkRGOGNpOSsyelJL?= =?utf-8?B?QlJHT2VjUWEvWTZrWjAxdnlUMWlXeEFLVTZ1VWpza3BKTzJhbFh3VDMvNGg2?= =?utf-8?B?NmpMamxxUm1WOG5iUlJGT3VJZG9zRjBsbTBlVGJXRWpZS2VyUEExbjI3dEVB?= =?utf-8?B?ekx6RFhPRmd0REJQdWlDVGgyOUJzU1c3WlcyUFA2OGpwUmRoaTcyNHpBL29h?= =?utf-8?B?UW1LVGxKL3ptL0QxWkJMOThubk9OcXgzV24xdEtnTVhvSi9CN25mSWFXdkN5?= =?utf-8?B?UndTSmRsZElOS1R6OHBoTzhpUGJKMkhOL3RlMUZCWFVpR09NUGIxam9icmg1?= =?utf-8?B?RTU1UWJUSllCSU9Dd3I2ZVFmWVV6STdmMnBXOGtWUVM2Z0hIL2FORktJMDQz?= =?utf-8?B?M2tHb3pDczdRVHg2aWZyL2VtUFZMRXBrSG5xMzRLRnRtWHpmTEVBMzg0TG5p?= =?utf-8?B?K0hmUmxtVW1ESXA5MnFNUk4rbDJMQWZYazRDUUVNM0R5a2owNW5iNDMzZ29v?= =?utf-8?B?b0FBcmpDbWJxV2dON2N2RDVwelgwU3VVRWI1NFIydmN0STBGOGdrY090ejdQ?= =?utf-8?B?c00yUnJibDBNc0NkeFZYNnd6bXgvL1ZjWi90ZUUydE1FYkJIY0ZlazBXUmlS?= =?utf-8?B?aWFsSllRNEdLZHI0TnBweGh6OVc0U2tHRkVIbWJseXExWVZUTDBORnNXZE9j?= =?utf-8?B?Lzh1NEpGLytONnVEdWNVTGJwQ0daWElVTzl2djhhajI5YjBkbWtyV05kMHBw?= =?utf-8?B?bCtVZUlJQ09STWdLaTU3eFUvTXdXeTFZS1R0cG51aG0vSlplNitCNmhEclRG?= =?utf-8?B?VU5hWXg0Tk1xM2V3dDBLS0JQb0J0YnZRcnJreWd4a24yVGJVczhVcms0T29U?= =?utf-8?B?SVFjY29YT2Fla0hxQnBaTzJ0RE5icmpQTzMzbitmNHFGb1NEZjd2dkowWlpN?= =?utf-8?B?YXluUldPN243TFhlRG04YWl6aG5tZWJ0T0tzSy9iMThrYkJOZHlrbUtNcDhu?= =?utf-8?B?OUU1TzlzTXYvK2UwQjZTNEluMDhvaDQ4KzVaU0dCay9jMERrRGR4REQ3a1Vu?= =?utf-8?B?S0E9PQ==?= Content-Type: text/plain; charset="utf-8" Content-ID: Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: SJ0PR11MB6622.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 3b592771-b88d-462e-bf4d-08db7d04bf48 X-MS-Exchange-CrossTenant-originalarrivaltime: 05 Jul 2023 03:05:54.5550 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 46c98d88-e344-4ed4-8496-4ed7712e255d X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: wn/1GgzDKIWvggms95WS/efVooNNmalbUx1INvqsUephY/Ib0oL2KwEYiNggB59aC1Ozr+KQJBex8jvvGF/p0Q== X-MS-Exchange-Transport-CrossTenantHeadersStamped: LV8PR11MB8679 X-OriginatorOrg: intel.com X-Spam-Status: No, score=-4.4 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_MED, SPF_HELO_NONE,SPF_NONE,T_SCC_BODY_TEXT_LINE,URIBL_BLOCKED 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 T24gVGh1LCAyMDIzLTA2LTI5IGF0IDE2OjMxICswMjAwLCBMYXVyZW50IER1Zm91ciB3cm90ZToN Cj4gRnJvbTogTWljaGFlbCBFbGxlcm1hbiA8bXBlQGVsbGVybWFuLmlkLmF1Pg0KPiANCj4gU29t ZSBhcmNoaXRlY3R1cmVzIGFsbG93cyBwYXJ0aWFsIFNNVCBzdGF0ZXMgYXQgYm9vdCB0aW1lLA0K DQpzL2FsbG93cy9hbGxvdy4NCg0KdGhhbmtzLA0KcnVpDQoNCg==