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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 ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1660058194; a=rsa-sha256; cv=none; b=1gVEWad67F1wP6FAiQmG/zQmqyWdk8r02LfZm3+UzUs92m5BqLrzAgK7fmB29k7N7plbwK NzG3AWStIPnGGTqdry++ctp2Kp85W3jFxI614aefO3BbOZN9zw5/01YGZtkdUvm7eH8s13 SZ+xSzYVb03ksmwze40p0fuvdmByLyc= ARC-Authentication-Results: i=1; imf02.hostedemail.com; dkim=none; dmarc=pass (policy=none) header.from=aculab.com; spf=pass (imf02.hostedemail.com: domain of david.laight@aculab.com designates 185.58.85.151 as permitted sender) smtp.mailfrom=david.laight@aculab.com ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1660058194; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=CLXDi6Wj8VVsfOGuQuOLXXXgcQY/mnjKl03Q5hwWByk=; b=rKv3hnUikGpLjaGSsnI3+nPG5CpfUymE36W98pm7lHm//wbbxxRWfqvgmA22vu3yXCdGoD XCGx/KoOJ8rfYStWHc08JXe3wRsYzfDr5hRIOYgZBgo4m4j9psILixtkmJnLrXiT6YM/LE RsuWAQLILFF6Rv3HL7M146rsfi+RewU= X-Rspamd-Server: rspam12 X-Rspamd-Queue-Id: 5214C8017C Authentication-Results: imf02.hostedemail.com; dkim=none; dmarc=pass (policy=none) header.from=aculab.com; spf=pass (imf02.hostedemail.com: domain of david.laight@aculab.com designates 185.58.85.151 as permitted sender) smtp.mailfrom=david.laight@aculab.com X-Rspam-User: X-Stat-Signature: 6nofg7dedsu6oir8j9how5sqa3pkh6pj X-HE-Tag: 1660058192-125722 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000004, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: 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=