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 B55C2C433F5 for ; Fri, 3 Dec 2021 17:41:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1353051AbhLCRpE (ORCPT ); Fri, 3 Dec 2021 12:45:04 -0500 Received: from eu-smtp-delivery-151.mimecast.com ([185.58.85.151]:56235 "EHLO eu-smtp-delivery-151.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239496AbhLCRpD (ORCPT ); Fri, 3 Dec 2021 12:45:03 -0500 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-190-8NX8uH2WMXqI8RlibkF1_Q-1; Fri, 03 Dec 2021 17:41:37 +0000 X-MC-Unique: 8NX8uH2WMXqI8RlibkF1_Q-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; Fri, 3 Dec 2021 17:41:36 +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; Fri, 3 Dec 2021 17:41:36 +0000 From: David Laight To: 'Eric Dumazet' , David Lebrun CC: Vladimir Oltean , Eric Dumazet , "David S . Miller" , "Jakub Kicinski" , netdev Subject: RE: [PATCH net-next 2/2] net: optimize skb_postpull_rcsum() Thread-Topic: [PATCH net-next 2/2] net: optimize skb_postpull_rcsum() Thread-Index: AQHX57zbDWxMByH9C0Scwj/3q1CYoawfrjxggAAMpYCAASAbAIAAG8JygAADGpCAAATDgIAAB6sg Date: Fri, 3 Dec 2021 17:41:36 +0000 Message-ID: <8ebf0214bdef4c50bff5ae19171e8e53@AcuMS.aculab.com> References: <20211124202446.2917972-1-eric.dumazet@gmail.com> <20211124202446.2917972-3-eric.dumazet@gmail.com> <20211202131040.rdxzbfwh2slhftg5@skbuf> <20211202162916.ieb2wn35z5h4aubh@skbuf> <20211202204036.negad3mnrm2gogjd@skbuf> <9eefc224988841c9b1a0b6c6eb3348b8@AcuMS.aculab.com> <20211202214009.5hm3diwom4qsbsjd@skbuf> <20211203161429.htqt4vuzd22rlwkf@skbuf> <43cc0ca9a0e14fc995c0c28d31440c15@AcuMS.aculab.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 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 Li4uDQo+ID4gVGhlcmUgYXJlIGFsc28gNDAgY3N1bV9wYXJ0aWFsKGJ1ZiwgbGVuLCAwKS4NCj4g PiBJZiBhbGwgdGhlIGJ1ZmZlciBpcyB6ZXJvIHRoZXknbGwgcmV0dXJuIHplcm8gLSBpbnZhbGlk Lg0KPiA+IFRoZXkgb3VnaHQgdG8gYmUgY2hhbmdlZCB0byBjc3VtX3BhcnRpYWwoYnVmLCBsZW4s IDB4ZmZmZikuDQo+ID4NCj4gDQo+IFBsZWFzZSBwb2ludCB3aGVyZSBhbGwgemVybyBidWZmZXJz IGNhbiBiZSB2YWxpZCBpbiB0aGUgZmlyc3QgcGxhY2UuDQoNClRoZXkgcHJvYmFibHkgY2FuJ3Qg YmUuDQpCdXQgSSBiZXQgYSBsb3Qgb2YgdGhlIGNvZGUgd2FzIHdyaXR0ZW4gd2l0aG91dCByZWFs aXNpbmcgaXQgbWF0dGVyZWQuDQoNCkEgcXVpY2sgc2NhbiBkb2VzIGltcGx5IHRoYXQgdGhleSBh cmUgYWxsIHByb2JhYmx5IG9rLg0KDQpCdXQgSSBoYXZlIHNwb3R0ZWQgMTggfmNzdW1fZm9sZCgp IC0gdGhleSBtYXkgYmUgZHViaW91cy4NCg0KCURhdmlkDQoNCi0NClJlZ2lzdGVyZWQgQWRkcmVz cyBMYWtlc2lkZSwgQnJhbWxleSBSb2FkLCBNb3VudCBGYXJtLCBNaWx0b24gS2V5bmVzLCBNSzEg MVBULCBVSw0KUmVnaXN0cmF0aW9uIE5vOiAxMzk3Mzg2IChXYWxlcykNCg==