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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 17836C433EF for ; Mon, 15 Nov 2021 10:23:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id EC775630EF for ; Mon, 15 Nov 2021 10:23:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231140AbhKOK0f (ORCPT ); Mon, 15 Nov 2021 05:26:35 -0500 Received: from eu-smtp-delivery-151.mimecast.com ([185.58.86.151]:23242 "EHLO eu-smtp-delivery-151.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230419AbhKOK0a (ORCPT ); Mon, 15 Nov 2021 05:26:30 -0500 Received: from AcuMS.aculab.com (156.67.243.121 [156.67.243.121]) (Using TLS) by relay.mimecast.com with ESMTP id uk-mta-123-ImlIfi6GNAykwqR4SDA7fg-1; Mon, 15 Nov 2021 10:23:32 +0000 X-MC-Unique: ImlIfi6GNAykwqR4SDA7fg-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 15.0.1497.26; Mon, 15 Nov 2021 10:23:31 +0000 Received: from AcuMS.Aculab.com ([fe80::994c:f5c2:35d6:9b65]) by AcuMS.aculab.com ([fe80::994c:f5c2:35d6:9b65%12]) with mapi id 15.00.1497.026; Mon, 15 Nov 2021 10:23:31 +0000 From: David Laight To: 'Eric Dumazet' , "David S . Miller" , Jakub Kicinski CC: netdev , Eric Dumazet , "x86@kernel.org" , Alexander Duyck Subject: RE: [RFC] x86/csum: rewrite csum_partial() Thread-Topic: [RFC] x86/csum: rewrite csum_partial() Thread-Index: AQHX1sjWUoYmK80LukOvYdZq9v09u6wC9SrggAAat/CAAVPUkA== Date: Mon, 15 Nov 2021 10:23:31 +0000 Message-ID: References: <20211111065322.1261275-1-eric.dumazet@gmail.com> <3f7414264ba0456b9102dd63c695272e@AcuMS.aculab.com> In-Reply-To: <3f7414264ba0456b9102dd63c695272e@AcuMS.aculab.com> 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 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=C51A453 smtp.mailfrom=david.laight@aculab.com 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 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org RnJvbTogRGF2aWQgTGFpZ2h0DQo+IFNlbnQ6IDE0IE5vdmVtYmVyIDIwMjEgMTQ6MTINCj4gLi4N Cj4gPiBJZiB5b3UgYXJlbid0IHdvcnJpZWQgKHRvbyBtdWNoKSBhYm91dCBjcHUgYmVmb3JlIEJy b2Fkd2VsbCB0aGVuIElJUkMNCj4gPiB0aGlzIGxvb3AgZ2V0cyBjbG9zZSB0byA4IGJ5dGVzL2Ns b2NrOg0KPiA+DQo+ID4gKyAgICAgICAgICAgICAgICIxMDogICAgamVjeHogMjBmXG4iDQo+ID4g KyAgICAgICAgICAgICAgICIgICAgICAgYWRjICAgKCVbYnVmZl0sICVbbGVuXSksICVbc3VtXVxu Ig0KPiA+ICsgICAgICAgICAgICAgICAiICAgICAgIGFkYyAgIDgoJVtidWZmXSwgJVtsZW5dKSwg JVtzdW1dXG4iDQo+ID4gKyAgICAgICAgICAgICAgICIgICAgICAgbGVhICAgMTYoJVtsZW5dKSwg JVt0bXBdXG4iDQo+ID4gKyAgICAgICAgICAgICAgICIgICAgICAgam1wICAgMTBiXG4iDQo+ID4g KyAgICAgICAgICAgICAgICIgMjA6Ig0KPiANCj4gSXQgaXMgZXZlbiBwb3NzaWJsZSBhIGxvb3Ag YmFzZWQgb246DQo+IAkxMDoJYWRjCSglW2J1ZmZdLCAlW2xlbl0sIDgpLCAlc3VtDQo+IAkJaW5j CSVbbGVuXQ0KPiAJCWpuegkxMGINCj4gd2lsbCBydW4gYXQgOCBieXRlcyBwZXIgY2xvY2sgb24g dmVyeSByZWNlbnQgSW50ZWwgY3B1Lg0KDQpJdCBkb2Vzbid0IG9uIGk3LTc3MDAuDQood2hpY2gg SSBwcm9iYWJseSB0ZXN0ZWQgbGFzdCB5ZWFyKS4NCg0KQnV0IHRoZSBmaXJzdCBsb29wIGRvZXMg cnVuIHR3aWNlIGFzIGZhc3QgLSBhbmQgd2lsbCBvbmx5DQpiZSBiZWF0ZW4gYnkgdGhlIGFkY3gv YWRveCBsb29wLg0KU28gdGhlcmUgaXMgbm8gbmVlZCB0byB1bnJvbGwgdG8gbW9yZSB0aGFuIDIg cmVhZHMvbG9vcC4NCg0KRm9yIGNwdSBiZXR3ZWVuIEl2eSBicmlkZ2UgYW5kIEJyb2Fkd2VsbCB5 b3Ugd2FudCB0byB1c2UNCnNlcGFyYXRlICdzdW0nIHJlZ2lzdGVycyB0byBhdm9pZCB0aGUgMiBj bG9jayBsYXRlbmN5DQpvZiB0aGUgYWRjIHJlc3VsdC4NClRoYXQgc2hvdWxkIGJlYXQgdGhlIDQg Ynl0ZXMvY2xvY2sgb2YgdGhlIGN1cnJlbnQgbG9vcC4NCkJ1dCBkb2VzIG5lZWQgYW4gZXh0cmEg dW5yb2xsIHRvIGdldCBuZWFyIDggYnl0ZXMvY2xvY2suDQoNCkZvciBvbGRlciBjcHUgKG5laGFs ZW0vY29yZTIpIHRoZSAnamVjeHonIGxvb3AgaXMgYWJvdXQgdGhlDQpvbmx5IHdheSB0byAnbG9v cCBjYXJyeScgdGhlIGNhcnJ5IGZsYWcgd2l0aG91dCB0aGUNCjYgY2xvY2sgcGVuYWx0eSBmb3Ig dGhlIHBhcnRpYWwgZmxhZ3MgcmVnaXN0ZXIgdXBkYXRlLg0KDQoJRGF2aWQNCg0KLQ0KUmVnaXN0 ZXJlZCBBZGRyZXNzIExha2VzaWRlLCBCcmFtbGV5IFJvYWQsIE1vdW50IEZhcm0sIE1pbHRvbiBL ZXluZXMsIE1LMSAxUFQsIFVLDQpSZWdpc3RyYXRpb24gTm86IDEzOTczODYgKFdhbGVzKQ0K