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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2010FC433F5 for ; Mon, 6 Dec 2021 09:30:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240774AbhLFJdt (ORCPT ); Mon, 6 Dec 2021 04:33:49 -0500 Received: from esa17.fujitsucc.c3s2.iphmx.com ([216.71.158.34]:12131 "EHLO esa17.fujitsucc.c3s2.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240727AbhLFJds (ORCPT ); Mon, 6 Dec 2021 04:33:48 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=fujitsu.com; i=@fujitsu.com; q=dns/txt; s=fj1; t=1638783020; x=1670319020; h=from:to:cc:subject:date:message-id:references: in-reply-to:content-transfer-encoding:mime-version; bh=5zQBB820hdfXrcUdZ6ULr+eg2FYE1Ge3BDO4ef+1noY=; b=SojcZw0mmmSE06uCTKY0Srr4r6N7zZQuCA0nrNZWFoPONuHTJZmJquaH 9pj8x+zV1NgsZWbmWWSG12O1xrP0wmt3z4U/ZwIY6zm0KMsTxez9eUcTR inF9aplzBVUWLR1uxphYlAB8GlTec8J3/vqUlUVscea0qmwl8y522vl8E CXHhR0wYeNVkjjAXtJtjQ4IuqCs9WnSfhBuPZr8AJa/7K8n6ky8GmKYwu lmx8gtwFFbT/EbRFeSigo6ejD+8b7I7rsIGResuu2TdMd6dgOw9U1u5hM P7VHMOT4xZw8hnmSqVEcr929CnlSbgCxxLD7Ju+GWUwwlz2o+49WOZbXu Q==; X-IronPort-AV: E=McAfee;i="6200,9189,10189"; a="45242340" X-IronPort-AV: E=Sophos;i="5.87,291,1631545200"; d="scan'208";a="45242340" Received: from mail-os0jpn01lp2109.outbound.protection.outlook.com (HELO JPN01-OS0-obe.outbound.protection.outlook.com) ([104.47.23.109]) by ob1.fujitsucc.c3s2.iphmx.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Dec 2021 18:30:16 +0900 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=eS2VWtr++wg0Y2Yx6K9OuBLveNvFFbvts7Lka2ZJYK3b8SB3BCSy7YjDvZVdzIJCId3t8hMh6wtOS7vk0oc7ywmOyS4yBgGAJ02p2iFbqzvqbktXFHUGoPUT6PX5JQVOppj80pjHqFGQFxwwDjm6SXqYQxw37Lh9YH4eeoLZVbQlaE4tB5Y4FJt5/LlZwAs6Sq+wK65copLu9m/ZV+JChdFByasF7o0d8r0ZAlc3Az+d/BU2IcSCONOCRLZkrs42NArsjVC+Y8krQrWGyIw12Lfr9+HsZKj6R87s8IxDPa9aTzjJU+OWW/JX1bEjVybL0eZCQvvtdOZ3xJVVv2Tgzg== 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=5zQBB820hdfXrcUdZ6ULr+eg2FYE1Ge3BDO4ef+1noY=; b=JA/Pi9fLTdNU59OyESsUHQeMfspMoW8OTuzJyz3Q6Kxpj/mIHZWQR4eTccWx0A2gpwuoNSHHbUfKBp9/VL5fQKeTaMyv6DcxcJs0whxKg7GQw65PNGGkfFjkZT4HSfeyc7mneV2q77Te21/v+tEEg0+YMAiccZVvgF6Scmwsl0+u1sWV5woVK4QdYn+piu+UjMMMxVoDqcW4lzLpXuZnrhDcRgFFUNkWWnrHmBuBcuY0c3BX7gLgG3WTiLGEXFWQ79Rs2mgYja3y+FLLoPza+9P+jDQR88DkyPURQYOuBoaDDdl5/ooE9lBB5n2hWvu/FGs3CKpnPhpPrATSgempqA== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=fujitsu.com; dmarc=pass action=none header.from=fujitsu.com; dkim=pass header.d=fujitsu.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=fujitsu.onmicrosoft.com; s=selector2-fujitsu-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=5zQBB820hdfXrcUdZ6ULr+eg2FYE1Ge3BDO4ef+1noY=; b=jk8+zjR9oCZk69y4M0VABTJo2lA++Y88vMPu04SnfbJ1w3NAyYBJsSYOecyYxUoE1K+0Xt9CkrjwZxAGU2sG9ET+xrFnLsbfZaj5smrMrzgH+LnBaQcZ/IBHCaYrrOXm9R2GMXkI/ikHzqesLHWE/LbFH6I77CWNR7VQv8vSsXc= Received: from OSBPR01MB2037.jpnprd01.prod.outlook.com (2603:1096:603:25::17) by OSAPR01MB4356.jpnprd01.prod.outlook.com (2603:1096:604:63::18) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4755.21; Mon, 6 Dec 2021 09:30:13 +0000 Received: from OSBPR01MB2037.jpnprd01.prod.outlook.com ([fe80::b596:877c:caf1:e443]) by OSBPR01MB2037.jpnprd01.prod.outlook.com ([fe80::b596:877c:caf1:e443%4]) with mapi id 15.20.4755.021; Mon, 6 Dec 2021 09:30:13 +0000 From: "tarumizu.kohei@fujitsu.com" To: 'Borislav Petkov' CC: "'catalin.marinas@arm.com'" , "'will@kernel.org'" , "'tglx@linutronix.de'" , "'mingo@redhat.com'" , "'dave.hansen@linux.intel.com'" , "'x86@kernel.org'" , "'hpa@zytor.com'" , "'linux-arm-kernel@lists.infradead.org'" , "'linux-kernel@vger.kernel.org'" Subject: RE: [RFC PATCH v2 0/5] Add hardware prefetch driver for A64FX and Intel processors Thread-Topic: [RFC PATCH v2 0/5] Add hardware prefetch driver for A64FX and Intel processors Thread-Index: AQHX0Tvqcmg6rBpliUSJLBUQh9tTC6vzenEAgAVvZFCAA48gAIAMZACAgAAVWkCAHG8kAA== Date: Mon, 6 Dec 2021 09:30:12 +0000 Message-ID: References: <20211104052122.553868-1-tarumizu.kohei@fujitsu.com> In-Reply-To: Accept-Language: ja-JP, en-US Content-Language: ja-JP X-MS-Has-Attach: X-MS-TNEF-Correlator: msip_labels: =?utf-8?B?TVNJUF9MYWJlbF9hNzI5NWNjMS1kMjc5LTQyYWMtYWI0ZC0zYjBmNGZlY2Uw?= =?utf-8?B?NTBfQWN0aW9uSWQ9YTNmNGI1NzItYWRhNi00YTJlLWI1ZjItY2ZkNGRiMWJk?= =?utf-8?B?ODViO01TSVBfTGFiZWxfYTcyOTVjYzEtZDI3OS00MmFjLWFiNGQtM2IwZjRm?= =?utf-8?B?ZWNlMDUwX0NvbnRlbnRCaXRzPTA7TVNJUF9MYWJlbF9hNzI5NWNjMS1kMjc5?= =?utf-8?B?LTQyYWMtYWI0ZC0zYjBmNGZlY2UwNTBfRW5hYmxlZD10cnVlO01TSVBfTGFi?= =?utf-8?B?ZWxfYTcyOTVjYzEtZDI3OS00MmFjLWFiNGQtM2IwZjRmZWNlMDUwX01ldGhv?= =?utf-8?B?ZD1TdGFuZGFyZDtNU0lQX0xhYmVsX2E3Mjk1Y2MxLWQyNzktNDJhYy1hYjRk?= =?utf-8?B?LTNiMGY0ZmVjZTA1MF9OYW1lPUZVSklUU1UtUkVTVFJJQ1RFRO+/ou++gA==?= =?utf-8?B?776LO01TSVBfTGFiZWxfYTcyOTVjYzEtZDI3OS00MmFjLWFiNGQtM2IwZjRm?= =?utf-8?B?ZWNlMDUwX1NldERhdGU9MjAyMS0xMS0xOFQwNTo0NzowM1o7TVNJUF9MYWJl?= =?utf-8?B?bF9hNzI5NWNjMS1kMjc5LTQyYWMtYWI0ZC0zYjBmNGZlY2UwNTBfU2l0ZUlk?= =?utf-8?Q?=3Da19f121d-81e1-4858-a9d8-736e267fd4c7;?= authentication-results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=fujitsu.com; x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: bf40f735-ea91-4549-d366-08d9b89b0140 x-ms-traffictypediagnostic: OSAPR01MB4356:EE_ x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:7691; 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:OSBPR01MB2037.jpnprd01.prod.outlook.com;PTR:;CAT:NONE;SFS:(4636009)(366004)(86362001)(64756008)(66446008)(38100700002)(122000001)(26005)(6916009)(6506007)(8676002)(66476007)(76116006)(186003)(508600001)(4744005)(66556008)(66946007)(33656002)(5660300002)(4326008)(71200400001)(2906002)(316002)(9686003)(8936002)(54906003)(7696005)(85182001)(52536014)(7416002)(38070700005)(82960400001)(55016003);DIR:OUT;SFP:1101; x-ms-exchange-antispam-messagedata-chunkcount: 1 x-ms-exchange-antispam-messagedata-0: =?utf-8?B?MlVDQnZpZ3ZMRHhCM1lSMy84TmtoNmR2WVBtS2FRS3dWbDhqTWkwczd5a1ds?= =?utf-8?B?aXZhLzIzbVlJeVgydysrV1JtVnM3bWZyeTJJS1k3T08xSkpNTmZnUEY2MUVS?= =?utf-8?B?M1dyekc3Mzg3WGg3ZnA2Y05YaWJKMTVOSk1razFrY0ZURG9lUnBoWDdQU05q?= =?utf-8?B?MDBCR3Y2MkhaSkMxQ28yamlJeTdQL0dRc0R5Ti9mOGRJQnZDMXhyS0htNlJ4?= =?utf-8?B?VFdlejkwcjd1YWIzbHkzamJka2xvbUJCRFR4S0lJL2NTWVhnUnkzeURsWUxw?= =?utf-8?B?ZkIySHVqWDJMR2p5Nlc1MUxJWkhDdXN0WUZETXViNVdDbmIwWHFWckdIRytT?= =?utf-8?B?Y1RlcWN2M2xYaG9YZFBzd3FDZy9KeTBrVlB4ZjdTd1laTXk2d3ZzUDJCblBi?= =?utf-8?B?cnpsaU5hM1VqZGZFdDVaZ01qUTM4c3JYVWYwT3pMS05udlIvMFFwKy85MFJr?= =?utf-8?B?NDNkS1RGM05XaFZMSnpFNXlja2dNZXRPZ3FCKzFDOEppaFNxVWNlT3EwZUF5?= =?utf-8?B?cmtXN3VISWNGWCtlbkViWm1tSWQ5R09aMXRGSHRDN24xNEFPWGZVR01MWm9B?= =?utf-8?B?S0tZYi83OG1LRVpTZHF1V1JGVzNIaU1wYy9zeWJ5UEdNWlNaZWU1OSt2Unlp?= =?utf-8?B?YTdEY3I4UUc0K1c4VXp2bEpENGYwb1JsSlJPK0VxUVFDMDVFdHJKZkRQRVlI?= =?utf-8?B?VEJJWEIxcnVYUEZZck0xcDRVVkpvYWF6cEVwNmRTNlN5S3dCMXBkZisxbnhE?= =?utf-8?B?NldjTGcxbUl4UlV4UlcvVjFDMDgzTUplby9QR0RSVmpRdHB2eFduZ3FRbHFy?= =?utf-8?B?VndWYml4YTlLT25HOW9adHdMd29neFRaQnFDbSs1K2xFQXlWbjVzc3pyR2hT?= =?utf-8?B?ZVlLbHQrT0pXZmFtc2k0SVRSaDgxSmc2OGVYdlBxMS9SM20xMEZEbGljYkFY?= =?utf-8?B?SmsxQlM5L2l3THJvcnB5TDJQYU13L1RSVGZOb2tEWkFTQlhsSUFLVllWdVI1?= =?utf-8?B?TFo5SGxRR2ZwbnUrbnpFWXBQZGVKMDRIWFZlYXM0RW1aeG1YdkY2U1JBWGMx?= =?utf-8?B?aGxxcUNpY2tEbWVoLy9sY3Q0anQ1c3IySmN1Q1pNYlMrYTBtTVJNZVdncTF0?= =?utf-8?B?eHFidkpROEsrbENSUDJVREZ5ZW52VldlQTZKVElDVTZvTkxHamVOR1Frdk5r?= =?utf-8?B?Z1dubzYvU1hrbm02ZGplQ215TWo3UFNzOUxxT1k0RTgrUFdHa1c3YzZyc2Er?= =?utf-8?B?WmgzTEZOSTN1VStMRFlpTFIyeDkyQmttTTJpYy9rcGRMbWdwVlNVMjNWVlpX?= =?utf-8?B?ZWtSQWlZeFhXNXZkMGZZQXhqVzBXZjNRc090YWJTZkdCaXFVNzN0dG1teWw2?= =?utf-8?B?NXBrVEdReDZTaDVpRFR0YWtOdXlmSVVTWDlLbkh0MHhyZ1JtMWNhTVp1KzI3?= =?utf-8?B?TXhIZlp1QURxS1NHK3kxOTh4ekEzQXRtWFhVbXBDbTJxTTlPTVJPZ0ovY1J2?= =?utf-8?B?eFkvWDVlWnZPb0ZLMG5Bb3RGNThEUFhFTFlYSHI5MSs5M1lWYWJrd29LcVJN?= =?utf-8?B?NEZBdnU4Umg1MmhybCtmdTE3c0I4RWVGTE5EQ3lmZVFHSXlmbURZYUM5VnNY?= =?utf-8?B?U3QrTUhhbm5GaWsyNS9JQnVwbU4rendSTS9SNTY5OTJYSlFBVnQwa1p5YnlM?= =?utf-8?B?bmdIWFZwRFFkclR2M3EvSDVoaWhEZG9ISWJqTWlXc00rYmhGRS8wbytKZndP?= =?utf-8?B?N2lMdW9VZ1VMV1d0TUIyV2VkMExCaXlsRU94QnJnbnloZVVBN1JwY24ramQy?= =?utf-8?B?NW5JUzNZNGpLRTBzNEx3aWI2cjIvOXJ1VENYTnArSnlDU0djc3p1WkRtaC9l?= =?utf-8?B?Kzc5UFRYNEZabDhDMFBXeTRhck5UZ1ZNVUlKbndPZTRZUWh4NXptcUdqT2Zo?= =?utf-8?B?dG1jSElscE1ZK2c1Wm1SNEtra1c2eEx3RVZTY2Nva0pRKyttYjFESzVTNGNh?= =?utf-8?B?NVdjaGZNTVVZaldHQTZsbktkQkorOHNVaFNtTlhQOGU0THZuTFdCTmI0cmxB?= =?utf-8?B?RWJNMDJqK0Y2aDhCY1RCdHBqdFBtN1dtcDBIVjBIbUlOOVl6dW9uWGhHL0pF?= =?utf-8?B?NWFhSDJ6SWI4TTExcXBnczJYdlpTYVVlQlhHWmpETThYRElRM0d2djk1VmtN?= =?utf-8?B?TXBYREFrVko1dXZyaDB5L01hOHVxUXNocG0vZm5QNDZLTWZVOURhdGdtSTZ0?= =?utf-8?B?RUttSEwyVVdYdDljUkJtYTZaOEVBPT0=?= Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-OriginatorOrg: fujitsu.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: OSBPR01MB2037.jpnprd01.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: bf40f735-ea91-4549-d366-08d9b89b0140 X-MS-Exchange-CrossTenant-originalarrivaltime: 06 Dec 2021 09:30:12.9634 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: a19f121d-81e1-4858-a9d8-736e267fd4c7 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: c5CDFP2HnxwFPLNFhW3bBDWa8wXxQmXCndtosfszx2ef+bK3I8FYcgy3FhAkytYnYcmR5st1lXB+EB+QvpZ9wvh/PZtbOPhu4RhlQoMYgmU= X-MS-Exchange-Transport-CrossTenantHeadersStamped: OSAPR01MB4356 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Pj4gQWxzbywgYXMgZGhhbnNlbiBwb2ludHMgb3V0LCB3ZSBoYXZlIGFscmVhZHkNCj4+IA0KPj4g ICAvc3lzL2RldmljZXMvc3lzdGVtL2NwdS9jcHUqL2NhY2hlDQo+PiANCj4+IHNvIGFsbCB0aG9z ZSBrbm9icyBiZWxvbmcgdGhlcmUgb24geDg2Lg0KPiANCj4gSW50ZWwgTVNSIGFuZCBBNjRGWCBo YXZlIGhhcmR3YXJlIHByZWZldGNoZXIgdGhhdCBhZmZlY3QgTDFkIGNhY2hlIGFuZA0KPiBMMiBj YWNoZS4gRG9lcyBpdCBzdWl0IHlvdXIgaW50ZW50aW9uIHRvIGNyZWF0ZSBhIHByZWZldGNoZXIg ZGlyZWN0b3J5DQo+IHVuZGVyIHRoZSBjYWNoZSBkaXJlY3RvcnkgYXMgYmVsb3c/DQo+IA0KPiAv c3lzL2RldmljZXMvc3lzdGVtL2NwdS9jcHUqL2NhY2hlLw0KPiAgICAgICAgICAgICAgICAgaW5k ZXgwL3ByZWZldGNoZXIvZW5hYmxlDQo+ICAgICAgICAgICAgICAgICBpbmRleDIvcHJlZmV0Y2hl ci9lbmFibGUNCj4gDQo+IFRoZSBhYm92ZSBleGFtcGxlIHByZXN1bWVzIHRoYXQgdGhlIEwxZCBj YWNoZSBpcyBhdCBpbmRleDAgKGxldmVsOiAxLA0KPiB0eXBlOiBEYXRhKSBhbmQgdGhlIEwyIGNh Y2hlIGlzIGF0IGluZGV4MiAobGV2ZWw6MiwgdHlwZTogVW5pZmllZCkuDQoNCkFueSBjb21tZW50 IG9yIHN1Z2dlc3Rpb24gd291bGQgYmUgbXVjaCBhcHByZWNpYXRlZC4gSW4gcGFydGljdWxhciwN CmlzIG91ciB1c2luZyBjYWNoZS9pbmRleCBkaXJlY3RvcnkgYWJvdmUgbWF0Y2ggeW91ciBpbnRl bnQ/DQo= 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 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id A36FAC433EF for ; Mon, 6 Dec 2021 09:32:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:In-Reply-To:References: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=Ez5RP6bIHvYW239H4SPmLkvNSPLA/5EZBOU403nRjvg=; b=Ioki2fUQg6T+1N aVFZ7XSY2BIs99iMPp97SB4mAe49FVwSTUNuQAAEW7DvZybQ8uBIHvmeW9kCEFfvit3sDPl39tIz4 yZuyOJEM6fEtxmrH/MIs30AmNEjP+HVnsatEv/ZbRoPVekewgK8zenF+adQx5LzGrNCUnbLjkjhrv 26YhcqURh2eciw65cCnVPRsvOi/jVda67+i5s+F8Iat+nvvfeUYJsXZEpdIuxU19CzWAXjCx6wc2T U99ZG+yQ47Ew5xZ+5qeo0W/M/GcZfm5bXiRTqVpVS8Dp8phgdtqEwpXbEam4zBhD0nP/c3cYYE2ZB EoKcD+vX0aV4tW5b6T8w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1muAKP-003AeX-Cd; Mon, 06 Dec 2021 09:30:33 +0000 Received: from esa17.fujitsucc.c3s2.iphmx.com ([216.71.158.34]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1muAKG-003Acd-Q5 for linux-arm-kernel@lists.infradead.org; Mon, 06 Dec 2021 09:30:31 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=fujitsu.com; i=@fujitsu.com; q=dns/txt; s=fj1; t=1638783025; x=1670319025; h=from:to:cc:subject:date:message-id:references: in-reply-to:content-transfer-encoding:mime-version; bh=5zQBB820hdfXrcUdZ6ULr+eg2FYE1Ge3BDO4ef+1noY=; b=BnGH9S17D19YNKh/FT3fdlhPu35v+dN4uEff0FhU888gDHWXYUS7ZZJr AN+ZuP7f0JhyVwypr0WfNXtx/R/fsMPOA79hOq+sFuazUBFwXxdhehFJe g/lHYtY1M22NtGrYB/q+2qEAtUQ44B9M2MKXTZC1UcCsyZrImG8Yc5XRf oacYf4HWMgqeRlCw5I/DC8LxUcGM4NLkBK2+N3rilW9cbzf6GJGqMSqMb f+/E5t6nmFGKI126s8bx2W1NmX8EPONbd/sSauOyhkYmyYlZ3pMSH1wTP VbKnNWSW4ZPUggAjjH/Y6pWuWdHzCOXMs9lzIrb9LI0oI+NMb80gvn3rI Q==; X-IronPort-AV: E=McAfee;i="6200,9189,10189"; a="45242340" X-IronPort-AV: E=Sophos;i="5.87,291,1631545200"; d="scan'208";a="45242340" Received: from mail-os0jpn01lp2109.outbound.protection.outlook.com (HELO JPN01-OS0-obe.outbound.protection.outlook.com) ([104.47.23.109]) by ob1.fujitsucc.c3s2.iphmx.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Dec 2021 18:30:16 +0900 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=eS2VWtr++wg0Y2Yx6K9OuBLveNvFFbvts7Lka2ZJYK3b8SB3BCSy7YjDvZVdzIJCId3t8hMh6wtOS7vk0oc7ywmOyS4yBgGAJ02p2iFbqzvqbktXFHUGoPUT6PX5JQVOppj80pjHqFGQFxwwDjm6SXqYQxw37Lh9YH4eeoLZVbQlaE4tB5Y4FJt5/LlZwAs6Sq+wK65copLu9m/ZV+JChdFByasF7o0d8r0ZAlc3Az+d/BU2IcSCONOCRLZkrs42NArsjVC+Y8krQrWGyIw12Lfr9+HsZKj6R87s8IxDPa9aTzjJU+OWW/JX1bEjVybL0eZCQvvtdOZ3xJVVv2Tgzg== 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=5zQBB820hdfXrcUdZ6ULr+eg2FYE1Ge3BDO4ef+1noY=; b=JA/Pi9fLTdNU59OyESsUHQeMfspMoW8OTuzJyz3Q6Kxpj/mIHZWQR4eTccWx0A2gpwuoNSHHbUfKBp9/VL5fQKeTaMyv6DcxcJs0whxKg7GQw65PNGGkfFjkZT4HSfeyc7mneV2q77Te21/v+tEEg0+YMAiccZVvgF6Scmwsl0+u1sWV5woVK4QdYn+piu+UjMMMxVoDqcW4lzLpXuZnrhDcRgFFUNkWWnrHmBuBcuY0c3BX7gLgG3WTiLGEXFWQ79Rs2mgYja3y+FLLoPza+9P+jDQR88DkyPURQYOuBoaDDdl5/ooE9lBB5n2hWvu/FGs3CKpnPhpPrATSgempqA== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=fujitsu.com; dmarc=pass action=none header.from=fujitsu.com; dkim=pass header.d=fujitsu.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=fujitsu.onmicrosoft.com; s=selector2-fujitsu-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=5zQBB820hdfXrcUdZ6ULr+eg2FYE1Ge3BDO4ef+1noY=; b=jk8+zjR9oCZk69y4M0VABTJo2lA++Y88vMPu04SnfbJ1w3NAyYBJsSYOecyYxUoE1K+0Xt9CkrjwZxAGU2sG9ET+xrFnLsbfZaj5smrMrzgH+LnBaQcZ/IBHCaYrrOXm9R2GMXkI/ikHzqesLHWE/LbFH6I77CWNR7VQv8vSsXc= Received: from OSBPR01MB2037.jpnprd01.prod.outlook.com (2603:1096:603:25::17) by OSAPR01MB4356.jpnprd01.prod.outlook.com (2603:1096:604:63::18) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4755.21; Mon, 6 Dec 2021 09:30:13 +0000 Received: from OSBPR01MB2037.jpnprd01.prod.outlook.com ([fe80::b596:877c:caf1:e443]) by OSBPR01MB2037.jpnprd01.prod.outlook.com ([fe80::b596:877c:caf1:e443%4]) with mapi id 15.20.4755.021; Mon, 6 Dec 2021 09:30:13 +0000 From: "tarumizu.kohei@fujitsu.com" To: 'Borislav Petkov' CC: "'catalin.marinas@arm.com'" , "'will@kernel.org'" , "'tglx@linutronix.de'" , "'mingo@redhat.com'" , "'dave.hansen@linux.intel.com'" , "'x86@kernel.org'" , "'hpa@zytor.com'" , "'linux-arm-kernel@lists.infradead.org'" , "'linux-kernel@vger.kernel.org'" Subject: RE: [RFC PATCH v2 0/5] Add hardware prefetch driver for A64FX and Intel processors Thread-Topic: [RFC PATCH v2 0/5] Add hardware prefetch driver for A64FX and Intel processors Thread-Index: AQHX0Tvqcmg6rBpliUSJLBUQh9tTC6vzenEAgAVvZFCAA48gAIAMZACAgAAVWkCAHG8kAA== Date: Mon, 6 Dec 2021 09:30:12 +0000 Message-ID: References: <20211104052122.553868-1-tarumizu.kohei@fujitsu.com> In-Reply-To: Accept-Language: ja-JP, en-US Content-Language: ja-JP X-MS-Has-Attach: X-MS-TNEF-Correlator: msip_labels: =?utf-8?B?TVNJUF9MYWJlbF9hNzI5NWNjMS1kMjc5LTQyYWMtYWI0ZC0zYjBmNGZlY2Uw?= =?utf-8?B?NTBfQWN0aW9uSWQ9YTNmNGI1NzItYWRhNi00YTJlLWI1ZjItY2ZkNGRiMWJk?= =?utf-8?B?ODViO01TSVBfTGFiZWxfYTcyOTVjYzEtZDI3OS00MmFjLWFiNGQtM2IwZjRm?= =?utf-8?B?ZWNlMDUwX0NvbnRlbnRCaXRzPTA7TVNJUF9MYWJlbF9hNzI5NWNjMS1kMjc5?= =?utf-8?B?LTQyYWMtYWI0ZC0zYjBmNGZlY2UwNTBfRW5hYmxlZD10cnVlO01TSVBfTGFi?= =?utf-8?B?ZWxfYTcyOTVjYzEtZDI3OS00MmFjLWFiNGQtM2IwZjRmZWNlMDUwX01ldGhv?= =?utf-8?B?ZD1TdGFuZGFyZDtNU0lQX0xhYmVsX2E3Mjk1Y2MxLWQyNzktNDJhYy1hYjRk?= =?utf-8?B?LTNiMGY0ZmVjZTA1MF9OYW1lPUZVSklUU1UtUkVTVFJJQ1RFRO+/ou++gA==?= =?utf-8?B?776LO01TSVBfTGFiZWxfYTcyOTVjYzEtZDI3OS00MmFjLWFiNGQtM2IwZjRm?= =?utf-8?B?ZWNlMDUwX1NldERhdGU9MjAyMS0xMS0xOFQwNTo0NzowM1o7TVNJUF9MYWJl?= =?utf-8?B?bF9hNzI5NWNjMS1kMjc5LTQyYWMtYWI0ZC0zYjBmNGZlY2UwNTBfU2l0ZUlk?= =?utf-8?Q?=3Da19f121d-81e1-4858-a9d8-736e267fd4c7;?= authentication-results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=fujitsu.com; x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: bf40f735-ea91-4549-d366-08d9b89b0140 x-ms-traffictypediagnostic: OSAPR01MB4356:EE_ x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:7691; 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:OSBPR01MB2037.jpnprd01.prod.outlook.com; PTR:; CAT:NONE; SFS:(4636009)(366004)(86362001)(64756008)(66446008)(38100700002)(122000001)(26005)(6916009)(6506007)(8676002)(66476007)(76116006)(186003)(508600001)(4744005)(66556008)(66946007)(33656002)(5660300002)(4326008)(71200400001)(2906002)(316002)(9686003)(8936002)(54906003)(7696005)(85182001)(52536014)(7416002)(38070700005)(82960400001)(55016003); DIR:OUT; SFP:1101; x-ms-exchange-antispam-messagedata-chunkcount: 1 x-ms-exchange-antispam-messagedata-0: =?utf-8?B?MlVDQnZpZ3ZMRHhCM1lSMy84TmtoNmR2WVBtS2FRS3dWbDhqTWkwczd5a1ds?= =?utf-8?B?aXZhLzIzbVlJeVgydysrV1JtVnM3bWZyeTJJS1k3T08xSkpNTmZnUEY2MUVS?= =?utf-8?B?M1dyekc3Mzg3WGg3ZnA2Y05YaWJKMTVOSk1razFrY0ZURG9lUnBoWDdQU05q?= =?utf-8?B?MDBCR3Y2MkhaSkMxQ28yamlJeTdQL0dRc0R5Ti9mOGRJQnZDMXhyS0htNlJ4?= =?utf-8?B?VFdlejkwcjd1YWIzbHkzamJka2xvbUJCRFR4S0lJL2NTWVhnUnkzeURsWUxw?= =?utf-8?B?ZkIySHVqWDJMR2p5Nlc1MUxJWkhDdXN0WUZETXViNVdDbmIwWHFWckdIRytT?= =?utf-8?B?Y1RlcWN2M2xYaG9YZFBzd3FDZy9KeTBrVlB4ZjdTd1laTXk2d3ZzUDJCblBi?= =?utf-8?B?cnpsaU5hM1VqZGZFdDVaZ01qUTM4c3JYVWYwT3pMS05udlIvMFFwKy85MFJr?= =?utf-8?B?NDNkS1RGM05XaFZMSnpFNXlja2dNZXRPZ3FCKzFDOEppaFNxVWNlT3EwZUF5?= =?utf-8?B?cmtXN3VISWNGWCtlbkViWm1tSWQ5R09aMXRGSHRDN24xNEFPWGZVR01MWm9B?= =?utf-8?B?S0tZYi83OG1LRVpTZHF1V1JGVzNIaU1wYy9zeWJ5UEdNWlNaZWU1OSt2Unlp?= =?utf-8?B?YTdEY3I4UUc0K1c4VXp2bEpENGYwb1JsSlJPK0VxUVFDMDVFdHJKZkRQRVlI?= =?utf-8?B?VEJJWEIxcnVYUEZZck0xcDRVVkpvYWF6cEVwNmRTNlN5S3dCMXBkZisxbnhE?= =?utf-8?B?NldjTGcxbUl4UlV4UlcvVjFDMDgzTUplby9QR0RSVmpRdHB2eFduZ3FRbHFy?= =?utf-8?B?VndWYml4YTlLT25HOW9adHdMd29neFRaQnFDbSs1K2xFQXlWbjVzc3pyR2hT?= =?utf-8?B?ZVlLbHQrT0pXZmFtc2k0SVRSaDgxSmc2OGVYdlBxMS9SM20xMEZEbGljYkFY?= =?utf-8?B?SmsxQlM5L2l3THJvcnB5TDJQYU13L1RSVGZOb2tEWkFTQlhsSUFLVllWdVI1?= =?utf-8?B?TFo5SGxRR2ZwbnUrbnpFWXBQZGVKMDRIWFZlYXM0RW1aeG1YdkY2U1JBWGMx?= =?utf-8?B?aGxxcUNpY2tEbWVoLy9sY3Q0anQ1c3IySmN1Q1pNYlMrYTBtTVJNZVdncTF0?= =?utf-8?B?eHFidkpROEsrbENSUDJVREZ5ZW52VldlQTZKVElDVTZvTkxHamVOR1Frdk5r?= =?utf-8?B?Z1dubzYvU1hrbm02ZGplQ215TWo3UFNzOUxxT1k0RTgrUFdHa1c3YzZyc2Er?= =?utf-8?B?WmgzTEZOSTN1VStMRFlpTFIyeDkyQmttTTJpYy9rcGRMbWdwVlNVMjNWVlpX?= =?utf-8?B?ZWtSQWlZeFhXNXZkMGZZQXhqVzBXZjNRc090YWJTZkdCaXFVNzN0dG1teWw2?= =?utf-8?B?NXBrVEdReDZTaDVpRFR0YWtOdXlmSVVTWDlLbkh0MHhyZ1JtMWNhTVp1KzI3?= =?utf-8?B?TXhIZlp1QURxS1NHK3kxOTh4ekEzQXRtWFhVbXBDbTJxTTlPTVJPZ0ovY1J2?= =?utf-8?B?eFkvWDVlWnZPb0ZLMG5Bb3RGNThEUFhFTFlYSHI5MSs5M1lWYWJrd29LcVJN?= =?utf-8?B?NEZBdnU4Umg1MmhybCtmdTE3c0I4RWVGTE5EQ3lmZVFHSXlmbURZYUM5VnNY?= =?utf-8?B?U3QrTUhhbm5GaWsyNS9JQnVwbU4rendSTS9SNTY5OTJYSlFBVnQwa1p5YnlM?= =?utf-8?B?bmdIWFZwRFFkclR2M3EvSDVoaWhEZG9ISWJqTWlXc00rYmhGRS8wbytKZndP?= =?utf-8?B?N2lMdW9VZ1VMV1d0TUIyV2VkMExCaXlsRU94QnJnbnloZVVBN1JwY24ramQy?= =?utf-8?B?NW5JUzNZNGpLRTBzNEx3aWI2cjIvOXJ1VENYTnArSnlDU0djc3p1WkRtaC9l?= =?utf-8?B?Kzc5UFRYNEZabDhDMFBXeTRhck5UZ1ZNVUlKbndPZTRZUWh4NXptcUdqT2Zo?= =?utf-8?B?dG1jSElscE1ZK2c1Wm1SNEtra1c2eEx3RVZTY2Nva0pRKyttYjFESzVTNGNh?= =?utf-8?B?NVdjaGZNTVVZaldHQTZsbktkQkorOHNVaFNtTlhQOGU0THZuTFdCTmI0cmxB?= =?utf-8?B?RWJNMDJqK0Y2aDhCY1RCdHBqdFBtN1dtcDBIVjBIbUlOOVl6dW9uWGhHL0pF?= =?utf-8?B?NWFhSDJ6SWI4TTExcXBnczJYdlpTYVVlQlhHWmpETThYRElRM0d2djk1VmtN?= =?utf-8?B?TXBYREFrVko1dXZyaDB5L01hOHVxUXNocG0vZm5QNDZLTWZVOURhdGdtSTZ0?= =?utf-8?B?RUttSEwyVVdYdDljUkJtYTZaOEVBPT0=?= MIME-Version: 1.0 X-OriginatorOrg: fujitsu.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: OSBPR01MB2037.jpnprd01.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: bf40f735-ea91-4549-d366-08d9b89b0140 X-MS-Exchange-CrossTenant-originalarrivaltime: 06 Dec 2021 09:30:12.9634 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: a19f121d-81e1-4858-a9d8-736e267fd4c7 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: c5CDFP2HnxwFPLNFhW3bBDWa8wXxQmXCndtosfszx2ef+bK3I8FYcgy3FhAkytYnYcmR5st1lXB+EB+QvpZ9wvh/PZtbOPhu4RhlQoMYgmU= X-MS-Exchange-Transport-CrossTenantHeadersStamped: OSAPR01MB4356 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211206_013025_182622_58093710 X-CRM114-Status: UNSURE ( 9.74 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org >> Also, as dhansen points out, we have already >> >> /sys/devices/system/cpu/cpu*/cache >> >> so all those knobs belong there on x86. > > Intel MSR and A64FX have hardware prefetcher that affect L1d cache and > L2 cache. Does it suit your intention to create a prefetcher directory > under the cache directory as below? > > /sys/devices/system/cpu/cpu*/cache/ > index0/prefetcher/enable > index2/prefetcher/enable > > The above example presumes that the L1d cache is at index0 (level: 1, > type: Data) and the L2 cache is at index2 (level:2, type: Unified). Any comment or suggestion would be much appreciated. In particular, is our using cache/index directory above match your intent? _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel