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 X-Spam-Level: X-Spam-Status: No, score=-3.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6B292C4741F for ; Sun, 8 Nov 2020 04:34:27 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id E382B20760 for ; Sun, 8 Nov 2020 04:34:26 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E382B20760 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=hisilicon.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 2752F6B0068; Sat, 7 Nov 2020 23:34:26 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 1FDAE6B006C; Sat, 7 Nov 2020 23:34:26 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 0C5C16B006E; Sat, 7 Nov 2020 23:34:26 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0140.hostedemail.com [216.40.44.140]) by kanga.kvack.org (Postfix) with ESMTP id D51726B0068 for ; Sat, 7 Nov 2020 23:34:25 -0500 (EST) Received: from smtpin30.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with ESMTP id 731ED181AEF00 for ; Sun, 8 Nov 2020 04:34:25 +0000 (UTC) X-FDA: 77459984490.30.geese93_531183e272e1 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin30.hostedemail.com (Postfix) with ESMTP id 5B948180B3C8E for ; Sun, 8 Nov 2020 04:34:25 +0000 (UTC) X-HE-Tag: geese93_531183e272e1 X-Filterd-Recvd-Size: 8391 Received: from frasgout.his.huawei.com (frasgout.his.huawei.com [185.176.79.56]) by imf07.hostedemail.com (Postfix) with ESMTP for ; Sun, 8 Nov 2020 04:34:24 +0000 (UTC) Received: from fraeml708-chm.china.huawei.com (unknown [172.18.147.226]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4CTLpQ6pvSz67HfG; Sun, 8 Nov 2020 12:33:02 +0800 (CST) Received: from lhreml722-chm.china.huawei.com (10.201.108.73) by fraeml708-chm.china.huawei.com (10.206.15.36) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1913.5; Sun, 8 Nov 2020 05:34:21 +0100 Received: from dggemi761-chm.china.huawei.com (10.1.198.147) by lhreml722-chm.china.huawei.com (10.201.108.73) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256) id 15.1.1913.5; Sun, 8 Nov 2020 04:34:20 +0000 Received: from dggemi761-chm.china.huawei.com ([10.9.49.202]) by dggemi761-chm.china.huawei.com ([10.9.49.202]) with mapi id 15.01.1913.007; Sun, 8 Nov 2020 12:34:18 +0800 From: "Song Bao Hua (Barry Song)" To: Randy Dunlap , John Hubbard , "akpm@linux-foundation.org" , "linux-mm@kvack.org" , "linux-kernel@vger.kernel.org" CC: Linuxarm , Ralph Campbell , John Garry Subject: RE: [PATCH] mm/gup_benchmark: GUP_BENCHMARK depends on DEBUG_FS Thread-Topic: [PATCH] mm/gup_benchmark: GUP_BENCHMARK depends on DEBUG_FS Thread-Index: AQHWspKkrOQfdWDOqkGzzyoK3BLHUam7SjKAgAG/lxD//4AMgIAAM28AgAAckACAAK7tEP//hnEAgAACPYCAAA3ogIAAig1A Date: Sun, 8 Nov 2020 04:34:18 +0000 Message-ID: <5b76cc7a3ca44e958e18f48ed4c5291d@hisilicon.com> References: <20201104100552.20156-1-song.bao.hua@hisilicon.com> <9286e2d0e17a47a1874dc4a96d83a38f@hisilicon.com> <2c968615-587c-b978-7961-8391c70382b2@nvidia.com> <869059977c224a3aa31bfb42a4a8148d@hisilicon.com> <8eaa47c0-a62d-46da-4fd6-93f2b5b2910d@nvidia.com> In-Reply-To: Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.126.200.224] Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-CFilter-Loop: Reflected X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: DQoNCj4gLS0tLS1PcmlnaW5hbCBNZXNzYWdlLS0tLS0NCj4gRnJvbTogUmFuZHkgRHVubGFwIFtt YWlsdG86cmR1bmxhcEBpbmZyYWRlYWQub3JnXQ0KPiBTZW50OiBTdW5kYXksIE5vdmVtYmVyIDgs IDIwMjAgNToxMiBQTQ0KPiBUbzogSm9obiBIdWJiYXJkIDxqaHViYmFyZEBudmlkaWEuY29tPjsg U29uZyBCYW8gSHVhIChCYXJyeSBTb25nKQ0KPiA8c29uZy5iYW8uaHVhQGhpc2lsaWNvbi5jb20+ OyBha3BtQGxpbnV4LWZvdW5kYXRpb24ub3JnOw0KPiBsaW51eC1tbUBrdmFjay5vcmc7IGxpbnV4 LWtlcm5lbEB2Z2VyLmtlcm5lbC5vcmcNCj4gQ2M6IExpbnV4YXJtIDxsaW51eGFybUBodWF3ZWku Y29tPjsgUmFscGggQ2FtcGJlbGwNCj4gPHJjYW1wYmVsbEBudmlkaWEuY29tPjsgSm9obiBHYXJy eSA8am9obi5nYXJyeUBodWF3ZWkuY29tPg0KPiBTdWJqZWN0OiBSZTogW1BBVENIXSBtbS9ndXBf YmVuY2htYXJrOiBHVVBfQkVOQ0hNQVJLIGRlcGVuZHMgb24NCj4gREVCVUdfRlMNCj4gDQo+IE9u IDExLzcvMjAgNzoyMiBQTSwgSm9obiBIdWJiYXJkIHdyb3RlOg0KPiA+IE9uIDExLzcvMjAgNzox NCBQTSwgSm9obiBIdWJiYXJkIHdyb3RlOg0KPiA+PiBPbiAxMS83LzIwIDY6NTggUE0sIFNvbmcg QmFvIEh1YSAoQmFycnkgU29uZykgd3JvdGU6DQo+ID4+Pj4gT24gMTEvNy8yMCAyOjIwIFBNLCBS YW5keSBEdW5sYXAgd3JvdGU6DQo+ID4+Pj4+IE9uIDExLzcvMjAgMTE6MTYgQU0sIEpvaG4gSHVi YmFyZCB3cm90ZToNCj4gPj4+Pj4+IE9uIDExLzcvMjAgMTE6MDUgQU0sIFNvbmcgQmFvIEh1YSAo QmFycnkgU29uZykgd3JvdGU6DQo+ID4+Pj4+Pj4+IEZyb206IEpvaG4gSHViYmFyZCBbbWFpbHRv OmpodWJiYXJkQG52aWRpYS5jb21dDQo+ID4+Pj4+PiAuLi4NCj4gPj4+PiBCdXQgaWYgeW91IHJl YWxseSBkaXNhZ3JlZSwgdGhlbiBJJ2QgZ28gd2l0aCwganVzdCBkcm9wIHRoZSBwYXRjaCBlbnRp cmVseSwNCj4gYmVjYXVzZQ0KPiA+Pj4+IGl0IGRvZXNuJ3QgcmVhbGx5IG1ha2UgdGhpbmdzIGJl dHRlciBhcyB3cml0dGVuLi4uSU1ITyBhbnl3YXkuIDopDQo+ID4+Pg0KPiA+Pj4gSnVzdCBpbWFn aW5lIGEgY2FzZSwgd2UgZG9uJ3QgZW5hYmxlIERFQlVHX0ZTIGJ1dCB3ZSBlbmFibGUgR1VQX1RF U1QsDQo+IHdlIHdpbGwNCj4gPj4+IGdldCBhbiBpbWFnZSB3aXRoIHRvdGFsbHkgdXNlbGVzcyBj b2RlIHNlY3Rpb24gc2luY2UgR1VQX1RFU1QgZGVwZW5kcyBvbg0KPiBkZWJ1Z2ZzDQo+ID4+PiBl bnRyeSB0byBwZXJmb3JtIGFueSB1c2VmdWwgZnVuY3Rpb25hbGl0eS4NCj4gPj4+DQo+ID4+DQo+ ID4+IExvb2tpbmcgYXQgdGhlIGNob2ljZXMsIGZyb20gdGhlIHVzZXIncyAodXN1YWxseSBrZXJu ZWwgZGV2ZWxvcGVyJ3MpDQo+IGV4cGVyaWVuY2U6DQo+ID4+DQo+ID4+IGEpIFRoZSB1c2VyIGVu YWJsZXMgR1VQX1RFU1QsIHRoZW4gYm9vdHMgdXAsIHJ1bnMsIGFuZCBpcyBicmllZmx5IHN1cnBy aXNlZA0KPiBieSBhDQo+ID4+IHJ1bnRpbWUgZmFpbHVyZS4gQnV0IGl0J3MgYSB2ZXJ5IHF1aWNr IGRpYWdub3NpczogIm9wZW46IE5vIHN1Y2ggZmlsZSBvcg0KPiBkaXJlY3RvcnkiLA0KPiA+PiB3 aGVuIHRyeWluZyB0byBtYWtlIHRoYXQgaW9jdGwgY2FsbC4gVGhlIHBhdGggaW5kaWNhdGVzIHRo YXQgaXQncyBhIGRlYnVnIGZzDQo+IHBhdGgsDQo+ID4+IHNvIHRoZSBzb2x1dGlvbiBpcyBwcmV0 dHkgY2xlYXIsIGF0IGxlYXN0IGZvciB0aGUgbWFpbiBhdWRpZW5jZS4NCj4gPj4NCj4gPj4gYikg VGhlIG90aGVyIGNob2ljZTogdGhlIHVzZXIgKm5ldmVyIGV2ZW4gc2VlcyogR1VQX1RFU1QgYXMg YSBjaG9pY2UuIFRoaXMNCj4gZXNwZWNpYWxseQ0KPiA+PiBib3RoZXJzIG1lIGJlY2F1c2Ugc29t ZXRpbWVzIHlvdSBmaW5kIHRoaW5ncyBieSBwb2tpbmcgYXJvdW5kIGluIHRoZQ0KPiBtZW51LCBh bHRob3VnaA0KPiA+PiBvZiBjb3Vyc2UgInlvdSBzaG91bGQgYWxyZWFkeSBrbm93IGFib3V0IGl0 Ii4uLmJ1dCB0aGVyZSdzIGEgbG90IHRvICJhbHJlYWR5DQo+IGtub3ciDQo+ID4+IGluIGEgbGFy Z2Uga2VybmVsLg0KPiA+Pg0KPiA+PiDCoEZyb20gYSB1c2VyIGV4cGVyaWVuY2UsIGl0J3Mgd2F5 IGJldHRlciB0byBzaW1wbHkgc2VlIHdoYXQgeW91IHdhbnQsIGFuZA0KPiBzZWxlY3QgaXQNCj4g Pj4gaW4gdGhlIG1lbnUuIE9yLCBhdCBsZWFzdCBnZXQgc29tZSBwcm9tcHQgdGhhdCB5b3UgbmVl ZCB0byBwcmUtc2VsZWN0DQo+IHNvbWV0aGluZyBlbHNlLg0KPiA+Pg0KPiA+DQo+ID4gLi4uYW5k IGFnYWluLCB0aGlzIGlzIGFsbCBmYWxsb3V0IGZyb20gS2NvbmZpZy4gSSBtaWdodCBiZSBtaXNz aW5nIHNvbWUgYWR2YW5jZWQNCj4gPiBmZWF0dXJlLCBiZWNhdXNlIGl0IHNlZW1zIHN1cnByaXNp bmcgdG8gb25seSBiZSBhbGxvd2VkIHRvIGNob29zZSBiZXR3ZWVuDQo+ID4gbWlzc2luZyBkZXBl bmRlbmNpZXMgKHdoaWNoIHRoaXMgcGF0Y2ggd291bGQgY29ycmVjdCksIG9yIGEgcG9vcmVyIHVz ZXINCj4gZXhwZXJpZW5jZQ0KPiA+ICh3aGljaCBJIGFyZ3VlIHRoYXQgdGhpcyBwYXRjaCB3b3Vs ZCBhbHNvIHByb3ZpZGUpLg0KPiA+DQo+ID4gSWRlYWxseSwgd2UnZCBqdXN0IHNldCB1cCB0aGUg ZGVwZW5kZW5jaWVzLCBhbmQgdGhlbiBoYXZlIHNvbWUgb3B0aW9ucyBmb3INCj4gPiB2aXNpYmls aXR5LCBidXQgSSdtIG5vdCBhd2FyZSBvZiBhbnkgd2F5IHRvIGRvIHRoYXQuLi5hbmQgYWZ0ZXIg YSBxdWljayBwZWVrDQo+ID4gYXQgRG9jdW1lbnRhdGlvbi9rYnVpbGQva2NvbmZpZy1tYWNyby1s YW5ndWFnZS5yc3QgaXQgbG9va3MgcHJldHR5IGJhcmUNCj4gYm9uZXMuDQo+IA0KPiBMb29rIGF0 IGtjb25maWctbGFuZ3VhZ2UucnN0IGluc3RlYWQuDQo+IA0KPiBPbmUgdGhpbmcgdGhhdCBjb3Vs ZCBiZSBkb25lIChhbmQgaXMgZG9uZSBpbiBhIGZldyBwbGFjZXMgZm9yIG90aGVyIHJlYXNvbnMp IGlzDQo+IHRvIGFkZA0KPiBhIEtjb25maWcgY29tbWVudCBpZiBERUJVR19GUyBpcyBub3QgZW5h YmxlZDoNCj4gDQo+IGNvbW1lbnQgIkdVUF9URVNUIG5lZWRzIHRvIGhhdmUgREVCVUdfRlMgZW5h YmxlZCINCj4gCWRlcGVuZHMgb24gIUdVUF9URVNUICYmICFERUJVR19GUw0KPiANCj4gZS5nLiBk cml2ZXJzL2hpZC91c2JoaWQvS2NvbmZpZzoNCj4gDQo+IGNvbW1lbnQgIklucHV0IGNvcmUgc3Vw cG9ydCBpcyBuZWVkZWQgZm9yIFVTQiBISUQgaW5wdXQgbGF5ZXIgb3IgSElEQlANCj4gc3VwcG9y dCINCj4gCWRlcGVuZHMgb24gVVNCX0hJRCAmJiBJTlBVVD1uDQoNCg0KVGhpcyBpcyBpbnRlcmVz dGluZy4NClRoYW5rcyBmb3Igc2hhcmluZyB0aGlzLiBJJ3ZlIG5ldmVyIHJlYWxpemVkIHdlIGNh biBkbyB0aGlzIGtpbmQgb2YgY29tbWVudHMuDQpXaGF0IEkgaGF2ZSBiZWVuIGFsd2F5cyBkb2lu ZyBpcyBzaW1wbHkgcmVhZGluZyB0aGUgc3RhdHVzIGZyb20gbWVudWNvbmZpZy4NCkZvciBleGFt cGxlLCB0byB1c2UgSUlPX0NPTlNVTUVSU19QRVJfVFJJR0dFUiwgSSBzZWFyY2ggaXQgaW4gbWVu dWNvbmZpZw0KYnkgIi8iLCBJIGdldDoNCg0KU3ltYm9sOiBJSU9fQ09OU1VNRVJTX1BFUl9UUklH R0VSIFs9XQ0KICDilIIgVHlwZSAgOiBpbnRlZ2VyDQogIOKUgiBEZWZpbmVkIGF0IGRyaXZlcnMv aWlvL0tjb25maWc6NDENCiAg4pSCICAgUHJvbXB0OiBNYXhpbXVtIG51bWJlciBvZiBjb25zdW1l cnMgcGVyIHRyaWdnZXINCiAg4pSCICAgRGVwZW5kcyBvbjogSUlPIFs9bl0gJiYgSUlPX1RSSUdH RVIgWz1uXQ0KICDilIIgICBMb2NhdGlvbjoNCiAg4pSCICAgICAtPiBEZXZpY2UgRHJpdmVycw0K ICDilIIgKDEpICAgLT4gSW5kdXN0cmlhbCBJL08gc3VwcG9ydCAoSUlPIFs9bl0pDQogIOKUgiAg ICAgICAgIC0+IEVuYWJsZSB0cmlnZ2VyZWQgc2FtcGxpbmcgc3VwcG9ydCAoSUlPX1RSSUdHRVIg Wz1uXSkNCiAg4pSCDQoNClRoZSBtZW51Y29uZmlnIHRlbGxzIG1lIGl0IGRlcGVuZHMgb24gSUlP IGFuZCBJSU9fVFJJR0dFUi4gQnV0IGJvdGggb2YNCnRoZW0gYXJlICJuIi4gc28gdGhlIG5leHQg c3RlcCwgSSBhbSBnb2luZyB0byBtYWtlIElJTyBhbmQgSUlPX1RSSUdHRVINCiJ5Ii4NCg0KDQo+ IA0KPiANCj4gLS0NCj4gflJhbmR5DQoNClRoYW5rcw0KQmFycnkNCg0K