Received: by 2002:a05:7412:98c1:b0:fa:551:50a7 with SMTP id kc1csp1096863rdb; Sun, 7 Jan 2024 03:45:00 -0800 (PST) X-Google-Smtp-Source: AGHT+IFF49cppDdryjkxJWp2iBoucHGFDz5qP+6ZZ3g5SVpqr5zx3sJGz5JjX7rRPR5LOR+gc0I+ X-Received: by 2002:a05:6a00:9390:b0:6d9:bc1d:c829 with SMTP id ka16-20020a056a00939000b006d9bc1dc829mr2253664pfb.44.1704627899949; Sun, 07 Jan 2024 03:44:59 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1704627899; cv=none; d=google.com; s=arc-20160816; b=SaWifIdIq1rH9g+8CDsEvdb6JCiOPBRgz1CbzMyveS+7Sa0c9Wwmt7erlUzkxETIDF lPANI8jMX8NzqTI6uf+kM9J/JtepzFqrrRs8b7s3PnHdPgJ0TPlHbwcqm0yi2Iojbf8Z 1FAedBjwkcQvmG9RT2BrfYMike7RfZncgA2SyURZorZY2J5NDe9m1DxUom3EMAXHkd3f 0nXGFn257IJs+fIQCCb6TsKHAVRJOijRrPgu8fjegJtA4SqWaN0+NoRIiY7/rXcz/Ms8 YVxq4DbY3JDNHW4j0X8sT8U1XpwEXKjqebRwcSP53DFQ+XCxiVRun7kknCwLhrK5z9CN UTzw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=content-transfer-encoding:content-language:mime-version :list-unsubscribe:list-subscribe:list-id:precedence:accept-language :in-reply-to:references:message-id:date:thread-index:thread-topic :subject:cc:to:from; bh=lOewcXqFRDMPcoALiq79EaAUrMslbAgYjUC7l64Hxf0=; fh=7FcfRe2/KkyWkqGjz9TBlYun2KBCVBXXOZym2o2qKpY=; b=ACcRygka9Bt5dYoC7c5svxCz3PkEyTLQ8KJGINEPjAqVcTu+rXplXFTI0cce6G7vNO elik3zdNQZPc4vkdqgTXDSQvGK4f4VpQ0tZUnRBqSj7ra/S4+VcOrvhI5+3sf2ZgnFzA veyHdWUneseUgtxpUnZKOf7VjKTMAEHraeLI/gGaODUyBBRrAZMZ6FWq15cJq3AWAnRB Ip2+mlWvFbRFSiQceJ0w981N/X8gFOAlROtGs+dcO6L2Ij/QowerQX8w3Exp/C/5Nz8Z N45zj8IawESF+40+LLG5Lpy0n3pAybyVycjMLnmiYOLck6RmJocQWjnl8z4eADV/d6Cp MVrg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel+bounces-18848-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:45e3:2400::1 as permitted sender) smtp.mailfrom="linux-kernel+bounces-18848-linux.lists.archive=gmail.com@vger.kernel.org"; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=aculab.com Return-Path: Received: from sv.mirrors.kernel.org (sv.mirrors.kernel.org. [2604:1380:45e3:2400::1]) by mx.google.com with ESMTPS id v21-20020a634655000000b005ce16d1f0d1si4241159pgk.459.2024.01.07.03.44.59 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 07 Jan 2024 03:44:59 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel+bounces-18848-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:45e3:2400::1 as permitted sender) client-ip=2604:1380:45e3:2400::1; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel+bounces-18848-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:45e3:2400::1 as permitted sender) smtp.mailfrom="linux-kernel+bounces-18848-linux.lists.archive=gmail.com@vger.kernel.org"; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=aculab.com Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by sv.mirrors.kernel.org (Postfix) with ESMTPS id 51E3D281473 for ; Sun, 7 Jan 2024 11:44:56 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id D717E12E68; Sun, 7 Jan 2024 11:44:50 +0000 (UTC) X-Original-To: linux-kernel@vger.kernel.org Received: from eu-smtp-delivery-151.mimecast.com (eu-smtp-delivery-151.mimecast.com [185.58.86.151]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9298412E4A for ; Sun, 7 Jan 2024 11:44:48 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=ACULAB.COM Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=aculab.com Received: from AcuMS.aculab.com (156.67.243.121 [156.67.243.121]) by relay.mimecast.com with ESMTP with both STARTTLS and AUTH (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id uk-mta-315-3rmU9uLGNsK9_7Ue5NSFgQ-1; Sun, 07 Jan 2024 11:44:39 +0000 X-MC-Unique: 3rmU9uLGNsK9_7Ue5NSFgQ-1 Received: from AcuMS.Aculab.com (10.202.163.6) by AcuMS.aculab.com (10.202.163.6) with Microsoft SMTP Server (TLS) id 15.0.1497.48; Sun, 7 Jan 2024 11:44:19 +0000 Received: from AcuMS.Aculab.com ([::1]) by AcuMS.aculab.com ([::1]) with mapi id 15.00.1497.048; Sun, 7 Jan 2024 11:44:19 +0000 From: David Laight To: "'H. Peter Anvin'" , 'Linus Torvalds' CC: Noah Goldstein , "x86@kernel.org" , "oe-kbuild-all@lists.linux.dev" , "linux-kernel@vger.kernel.org" , "edumazet@google.com" , "tglx@linutronix.de" , "mingo@redhat.com" , "bp@alien8.de" , "dave.hansen@linux.intel.com" Subject: RE: x86/csum: Remove unnecessary odd handling Thread-Topic: x86/csum: Remove unnecessary odd handling Thread-Index: AQHZ7ib2fs4a8+P0bkWBCjHsrqR0abAo6HRAgKIYy6qAAJmVUIAAjHgAgAHC99CAAEWrgIAArarg Date: Sun, 7 Jan 2024 11:44:19 +0000 Message-ID: <5dd4c01e4337455b9b2c0f5635d7f6f9@AcuMS.aculab.com> References: <20230920192300.3772199-1-goldstein.w.n@gmail.com> <202309231130.ZI5MdlDc-lkp@intel.com> <5354eeec562345f6a1de84f0b2081b75@AcuMS.aculab.com> <124b21857fe44e499e29800cbf4f63f8@AcuMS.aculab.com> <4313F9BB-DE2E-448F-A366-A68CAEA2BFE0@zytor.com> In-Reply-To: <4313F9BB-DE2E-448F-A366-A68CAEA2BFE0@zytor.com> Accept-Language: en-GB, en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: 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 RnJvbTogSC4gUGV0ZXIgQW52aW4NCj4gU2VudDogMDcgSmFudWFyeSAyMDI0IDAxOjA5DQo+IA0K PiBPbiBKYW51YXJ5IDYsIDIwMjQgMjowODo0OCBQTSBQU1QsIERhdmlkIExhaWdodCA8RGF2aWQu TGFpZ2h0QEFDVUxBQi5DT00+IHdyb3RlOg0KLi4uDQo+ID5UaGUgYmVzdCBsb29wIGZvciAyNTYr IGJ5dGVzIGlzIGFuIGFkeGMvYWR4byBvbmUuDQo+ID5Ib3dldmVyIHRoYXQgcmVxdWlyZXMgdGhl IHJ1bi10aW1lIHBhdGNoaW5nLg0KLi4uDQo+IFJhdGhlciB0aGFuIHJ1bnRpbWUgcGF0Y2hpbmcg cGVyaGFwcyBzZXBhcmF0ZSBwYXRocy4uLg0KDQpJdCB3aWxsIG5lZWQgdG8gZGV0ZWN0IHRoZSBj cHUgdHlwZSBlYXJsaWVyLCBzbyBhIHN0YXRpYw0KYnJhbmNoIGlzIHByb2JhYmx5IGVub3VnaC4N CkVhc2llciB0aGFuIHN1YnN0aXR1dGluZyB0aGUgZW50aXJlIGNvZGUgYmxvY2suDQoNCkkgdGhp bmsgaXQgaXMgc2lsdmVybW9udCBhbmQga25pZ2h0J3MgbGFuZGluZyB0aGF0IGhhdmUNCmEgNCBj bG9jayBwZW5hbHR5IGZvciA2NGJpdCBhZHhjIChJbnRlbCBhdG9tIGZhbWlseSkuDQpUaGF0IG1p Z2h0IG9ubHkgYmUgYSBkZWNvZGUgcGVuYWx0eSwgc28gZG9lc24ndCBhZmZlY3QNCnRoZSBsb29w ICd0aGF0IG11Y2gnIChhZGMgaXMgMiBjbG9ja3Mgb24gdGhvc2UgY3B1KS4NClNvIHByb2JhYmx5 IG5vdCBhY3R1YWxseSB3b3J0aCBkb2luZyBhIHJ1bi10aW1lDQpwZXJmb3JtYW5jZSBjaGVjay4N Cg0KSSBtaWdodCAnY29vayB1cCcgYSBmdWxsIGNoZWNrc3VtIGZ1bmN0aW9uIGxhdGVyLg0KDQoJ RGF2aWQNCg0KLQ0KUmVnaXN0ZXJlZCBBZGRyZXNzIExha2VzaWRlLCBCcmFtbGV5IFJvYWQsIE1v dW50IEZhcm0sIE1pbHRvbiBLZXluZXMsIE1LMSAxUFQsIFVLDQpSZWdpc3RyYXRpb24gTm86IDEz OTczODYgKFdhbGVzKQ0K