Received: by 2002:a05:6358:e9c4:b0:b2:91dc:71ab with SMTP id hc4csp6069587rwb; Tue, 9 Aug 2022 08:36:19 -0700 (PDT) X-Google-Smtp-Source: AA6agR40KCt0Pr5HM3sjz2d9I/6Tl55dGtUAZoCqIAogPi2QUtKeY7w1sGvoAgiXemmxTVcDAopr X-Received: by 2002:a17:90b:35d2:b0:1f5:4e69:3dd3 with SMTP id nb18-20020a17090b35d200b001f54e693dd3mr25807249pjb.22.1660059378831; Tue, 09 Aug 2022 08:36:18 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1660059378; cv=none; d=google.com; s=arc-20160816; b=WreJpy0ldAzqZTFhWy2G2D1IlOaUEEpnSpKQUXJYDKyGPJ/Iv9A19Zetd/TR2TUSKn TselSe8JOeK1yasbEBIORBebNnVpdnzmai6nqD9Cbnsuln52fT4JUuu1DMw9CnpdGeW7 JRw0zLATH7f7EkujtNZYy6pBHNOghwZwUpVhmcBpqHou6JflS1Tn4PixxceYHV91LZNW rGoIoURmX8TyAEnFHowkh67h04kv4+5N7BuUtAdInyK4/LxFP/0TMOGBIBdWe2okEkLV QpIkPM079XavybGrlxzT3rQjZY1QA/8sG41zYTJcawU4oPpTG9RT5nYZzeuvr+Xa4QkY QdAA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:content-language :mime-version:accept-language:in-reply-to:references:message-id:date :thread-index:thread-topic:subject:cc:to:from; bh=CLXDi6Wj8VVsfOGuQuOLXXXgcQY/mnjKl03Q5hwWByk=; b=QnSwdFxjNOHIwYhW4nO+20mR/EVfQ/vT7B3USfREyX9plVmI0DbIF+mlEdiNcew91Z 2U4D5tr5XLBKAg48bQ6MfuRaWpBoma68y1ktgB8fFvDvNsnmHttZxBAA19PX0qgvNdVM 6V7ny0BlY2ifkSADQW3rt8msloZukie1I845o126BbHOWbbyYIg5FNyN7jx5NUo9v+ys MDGudvbLKrpR2lfath+xrFbCGn0+2MSMCNlKVv2pLN7aXa+BuO1r1kXfoqB91XkvyQyS /LjTNgOZb1I9T2euwZ6+T08tI9Mh8XebjzJGQcU525nwLNsZ6oeHy7x9bF/HARZBnJRx 1FeQ== 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=aculab.com Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id s11-20020a170903200b00b0016c00834dd5si12367102pla.18.2022.08.09.08.36.04; Tue, 09 Aug 2022 08:36:18 -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=aculab.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244809AbiHIPQe (ORCPT + 99 others); Tue, 9 Aug 2022 11:16:34 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54794 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S244779AbiHIPQb (ORCPT ); Tue, 9 Aug 2022 11:16:31 -0400 Received: from eu-smtp-delivery-151.mimecast.com (eu-smtp-delivery-151.mimecast.com [185.58.85.151]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id C5A699584 for ; Tue, 9 Aug 2022 08:16:30 -0700 (PDT) Received: from AcuMS.aculab.com (156.67.243.121 [156.67.243.121]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id uk-mta-272-zpkONdTzPdWH-Kj0IJX1Bg-1; Tue, 09 Aug 2022 16:16:27 +0100 X-MC-Unique: zpkONdTzPdWH-Kj0IJX1Bg-1 Received: from AcuMS.Aculab.com (fd9f:af1c:a25b:0:994c:f5c2:35d6:9b65) by AcuMS.aculab.com (fd9f:af1c:a25b:0:994c:f5c2:35d6:9b65) with Microsoft SMTP Server (TLS) id 15.0.1497.36; Tue, 9 Aug 2022 16:16:26 +0100 Received: from AcuMS.Aculab.com ([fe80::994c:f5c2:35d6:9b65]) by AcuMS.aculab.com ([fe80::994c:f5c2:35d6:9b65%12]) with mapi id 15.00.1497.036; Tue, 9 Aug 2022 16:16:26 +0100 From: David Laight To: 'Damien Le Moal' , John Garry , kernel test robot CC: Christoph Hellwig , "Martin K. Petersen" , LKML , "Linux Memory Management List" , "linux-ide@vger.kernel.org" , "lkp@lists.01.org" , "lkp@intel.com" , "ying.huang@intel.com" , "feng.tang@intel.com" , "zhengjun.xing@linux.intel.com" , "fengwei.yin@intel.com" Subject: RE: [ata] 0568e61225: stress-ng.copy-file.ops_per_sec -15.0% regression Thread-Topic: [ata] 0568e61225: stress-ng.copy-file.ops_per_sec -15.0% regression Thread-Index: AQHYrAAmXDHshJwwj0GxX5X1j6JqC62mrM6g Date: Tue, 9 Aug 2022 15:16:26 +0000 Message-ID: References: <1f498d4a-f93f-ceb4-b713-753196e5e08d@opensource.wdc.com> <3451fa5a-6229-073f-ae18-0c232cd48ed5@huawei.com> In-Reply-To: Accept-Language: en-GB, en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.202.205.107] MIME-Version: 1.0 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: aculab.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: base64 X-Spam-Status: No, score=-2.6 required=5.0 tests=BAYES_00,RCVD_IN_DNSWL_LOW, 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 Li4uDQo+ID4+IFdpdGhvdXQga25vd2luZyB3aGF0IHRoZSBkZXZpY2UgYWRhcHRlciBpcywgaGFy ZCB0byBzYXkgd2hlcmUgdGhlIHByb2JsZW0gaXMuIEkNCj4gPj4gc3VzcGVjdCB0aGF0IHdpdGgg dGhlIHBhdGNoIGFwcGxpZWQsIHdlIG1heSBiZSBlbmRpbmcgdXAgd2l0aCBhIHNtYWxsIGRlZmF1 bHQNCj4gPj4gbWF4X3NlY3RvcnMgdmFsdWUsIGNhdXNpbmcgb3ZlcmhlYWQgZHVlIHRvIG1vcmUg Y29tbWFuZHMgdGhhbiBuZWNlc3NhcnkuDQo+ID4+DQo+ID4+IFdpbGwgY2hlY2sgd2hhdCBJIHNl ZSB3aXRoIG15IHRlc3QgcmlnLg0KPiA+DQo+ID4gQXMgZmFyIGFzIEkgY2FuIHNlZSwgdGhpcyBw YXRjaCBzaG91bGQgbm90IG1ha2UgYSBkaWZmZXJlbmNlIHVubGVzcyB0aGUNCj4gPiBBVEEgc2hv c3QgZHJpdmVyIGlzIHNldHRpbmcgdGhlIG1heF9zZWN0b3JzIHZhbHVlIHVubmVjZXNzYXJpbHkg bG93Lg0KPiANCj4gVGhhdCBpcyBteSBodW5jaCB0b28sIGhlbmNlIG15IHF1ZXN0aW9uIGFib3V0 IHdoaWNoIGhvc3QgZHJpdmVyIGlzIGJlaW5nIHVzZWQNCj4gZm9yIHRoaXMgdGVzdC4uLiBUaGF0 IGlzIG5vdCBhcHBhcmVudCBmcm9tIHRoZSBwcm9ibGVtIHJlcG9ydC4NCg0KTm8gb25lJ3MgZmFs bGVuIG92ZXIgdGhlIG9sZCBwcm9ibGVtIGFuZCBtYW5hZ2VkIHRvIGxpbWl0DQp0aGUgbnVtYmVy IG9mIHNlY3RvcnMgaW4gYSByZWFkIHRvIHRoZSBudW1iZXIgb2Ygc2VjdG9ycw0KaW4gKElJUkMp IGEgJ211bHRpIHNlY3RvcicgcmVhZCB0aGF0IHVzZXMgYSBzaW5nbGUgRE1BIGJ1cnN0Pw0KDQpX YXMgYWx3YXlzIGEgZ29vZCB3YXkgb2Yga2lsbGluZyBkaXNrIHBlcmZvcm1hbmNlLg0KDQpJSVJD IHRoZSBtYXhpbXVtIG51bWJlciBvZiBzZWN0b3JzIGZvciBhbiBBVEEgZGlzayB0cmFuc2ZlciBp cyAyNTUuDQoNCglEYXZpZA0KDQotDQpSZWdpc3RlcmVkIEFkZHJlc3MgTGFrZXNpZGUsIEJyYW1s ZXkgUm9hZCwgTW91bnQgRmFybSwgTWlsdG9uIEtleW5lcywgTUsxIDFQVCwgVUsNClJlZ2lzdHJh dGlvbiBObzogMTM5NzM4NiAoV2FsZXMpDQo=