From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eu-smtp-delivery-151.mimecast.com (eu-smtp-delivery-151.mimecast.com [185.58.85.151]) (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 5907D2E828 for ; Fri, 5 Jan 2024 16:12:27 +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-6-G_ku7WGkPReF8qM7yUdfXg-1; Fri, 05 Jan 2024 16:12:24 +0000 X-MC-Unique: G_ku7WGkPReF8qM7yUdfXg-1 Received: from AcuMS.Aculab.com (10.202.163.4) by AcuMS.aculab.com (10.202.163.4) with Microsoft SMTP Server (TLS) id 15.0.1497.48; Fri, 5 Jan 2024 16:12:06 +0000 Received: from AcuMS.Aculab.com ([::1]) by AcuMS.aculab.com ([::1]) with mapi id 15.00.1497.048; Fri, 5 Jan 2024 16:12:06 +0000 From: David Laight To: 'Linus Torvalds' , 'Noah Goldstein' CC: 'kernel test robot' , "'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'" , "'hpa@zytor.com'" Subject: RE: x86/csum: Remove unnecessary odd handling Thread-Topic: x86/csum: Remove unnecessary odd handling Thread-Index: AQHZ7ib2fs4a8+P0bkWBCjHsrqR0abAo6HRAgKIYy6qAAJmVUIAAZ8Eg Date: Fri, 5 Jan 2024 16:12:05 +0000 Message-ID: <8ff2151323cd440da25fd49061d9cc44@AcuMS.aculab.com> References: <20230920192300.3772199-1-goldstein.w.n@gmail.com> <202309231130.ZI5MdlDc-lkp@intel.com> <5354eeec562345f6a1de84f0b2081b75@AcuMS.aculab.com> In-Reply-To: <5354eeec562345f6a1de84f0b2081b75@AcuMS.aculab.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 RnJvbTogRGF2aWQgTGFpZ2h0DQo+IFNlbnQ6IDA1IEphbnVhcnkgMjAyNCAxMDo0MQ0KPiANCj4g RnJvbTogTGludXMgVG9ydmFsZHMNCj4gPiBTZW50OiAwNSBKYW51YXJ5IDIwMjQgMDA6MzMNCj4g Pg0KPiA+IE9uIFRodSwgNCBKYW4gMjAyNCBhdCAxNTozNiwgTGludXMgVG9ydmFsZHMNCj4gPiA8 dG9ydmFsZHNAbGludXgtZm91bmRhdGlvbi5vcmc+IHdyb3RlOg0KPiA+ID4NCj4gPiA+IEFueXdh eSwgc2luY2UgSSBsb29rZWQgYXQgdGhlIHRoaW5nIG9yaWdpbmFsbHksIGFuZCBmZWVsIGxpa2Ug SSBrbm93DQo+ID4gPiB0aGUgeDg2IHNpZGUgYW5kIHVuZGVyc3RhbmQgdGhlIHN0cmFuZ2UgSVAg Y3N1bSB0b28sIEkganVzdCBhcHBsaWVkIGl0DQo+ID4gPiBkaXJlY3RseS4NCj4gPg0KPiA+IEkg ZW5kZWQgdXAganVzdCBhcHBseWluZyBteSA0MC1ieXRlIGNsZWFudXAgdGhpbmcgdG9vIHRoYXQg SSd2ZSBiZWVuDQo+ID4ga2VlcGluZyBpbiBteSBvd24gdHJlZSBzaW5jZSBwb3N0aW5nIGl0IChh cyB0aGUgIlNpbGx5IGNzdW0NCj4gPiBpbXByb3ZlbWVudC4gTWF5YmUiIHBhdGNoKS4NCj4gDQo+ IEludGVyZXN0aW5nLCBJJ20gcHJldHR5IHN1cmUgdHJ5aW5nIHRvIGdldCB0d28gYmxvY2tzIG9m DQo+ICAnYWRjJyBzY2hlZHVsZWQgaW4gcGFyYWxsZWwgbGlrZSB0aGF0IGRvZXNuJ3Qgd29yay4N Cj4gDQo+IEkgZ290IGFuIGFkYyBldmVyeSBjbG9jayBmcm9tIHRoaXMgJ2JlYXN0JzoNCj4gKyAg ICAgICAvKg0KPiArICAgICAgICAqIEFsaWduIHRoZSBieXRlIGNvdW50IHRvIGEgbXVsdGlwbGUg b2YgMTYgdGhlbg0KPiArICAgICAgICAqIGFkZCA2NCBiaXQgd29yZHMgdG8gYWx0ZXJuYXRpbmcg cmVnaXN0ZXJzLg0KPiArICAgICAgICAqIEZpbmFsbHkgcmVkdWNlIHRvIDY0IGJpdHMuDQo+ICsg ICAgICAgICovDQo+ICsgICAgICAgYXNtKCAgICAiICAgICAgIGJ0ICAgICQ0LCAlW2xlbl1cbiIN Cj4gKyAgICAgICAgICAgICAgICIgICAgICAgam5jICAgMTBmXG4iDQo+ICsgICAgICAgICAgICAg ICAiICAgICAgIGFkZCAgICglW2J1ZmZdLCAlW2xlbl0pLCAlW3N1bV8wXVxuIg0KPiArICAgICAg ICAgICAgICAgIiAgICAgICBhZGMgICA4KCVbYnVmZl0sICVbbGVuXSksICVbc3VtXzFdXG4iDQo+ ICsgICAgICAgICAgICAgICAiICAgICAgIGxlYSAgIDE2KCVbbGVuXSksICVbbGVuXVxuIg0KPiAr ICAgICAgICAgICAgICAgIjEwOiAgICBqZWN4eiAyMGZcbiINCj4gKyAgICAgICAgICAgICAgICIg ICAgICAgYWRjICAgKCVbYnVmZl0sICVbbGVuXSksICVbc3VtXzBdXG4iDQo+ICsgICAgICAgICAg ICAgICAiICAgICAgIGFkYyAgIDgoJVtidWZmXSwgJVtsZW5dKSwgJVtzdW1fMV1cbiINCj4gKyAg ICAgICAgICAgICAgICIgICAgICAgbGVhICAgMzIoJVtsZW5dKSwgJVtsZW5fdG1wXVxuIg0KPiAr ICAgICAgICAgICAgICAgIiAgICAgICBhZGMgICAxNiglW2J1ZmZdLCAlW2xlbl0pLCAlW3N1bV8w XVxuIg0KPiArICAgICAgICAgICAgICAgIiAgICAgICBhZGMgICAyNCglW2J1ZmZdLCAlW2xlbl0p LCAlW3N1bV8xXVxuIg0KPiArICAgICAgICAgICAgICAgIiAgICAgICBtb3YgICAlW2xlbl90bXBd LCAlW2xlbl1cbiINCj4gKyAgICAgICAgICAgICAgICIgICAgICAgam1wICAgMTBiXG4iDQo+ICsg ICAgICAgICAgICAgICAiMjA6ICAgIGFkYyAgICVbc3VtXzBdLCAlW3N1bV1cbiINCj4gKyAgICAg ICAgICAgICAgICIgICAgICAgYWRjICAgJVtzdW1fMV0sICVbc3VtXVxuIg0KPiArICAgICAgICAg ICAgICAgIiAgICAgICBhZGMgICAkMCwgJVtzdW1dXG4iDQo+ICsgICAgICAgICAgIDogW3N1bV0g IismciIgKHN1bSksIFtzdW1fMF0gIismciIgKHN1bV8wKSwgW3N1bV8xXSAiKyZyIiAoc3VtXzEp LA0KPiArICAgICAgICAgICAgICAgW2xlbl0gIismYyIgKGxlbiksIFtsZW5fdG1wXSAiPSZyIiAo bGVuX3RtcCkNCj4gKyAgICAgICAgICAgOiBbYnVmZl0gInIiIChidWZmKQ0KPiArICAgICAgICAg ICA6ICJtZW1vcnkiICk7DQoNCkkndmUgZ290IGZhciB0b28gbWFueSB4ODYgY2hlY2tzdW0gZnVu Y3Rpb25zIGx5aW5nIGFyb3VuZC4NCg0KQWN0dWFsbHkgeW91IGRvbid0IG5lZWQgYWxsIHRoYXQu DQpBbnl0aGluZyByZWNlbnQgKHByb2JhYmx5IEJyb2Fkd2VsbCBvbikgd2lsbCBleGVjdXRlOg0K CSIxMDogICAgamVjeHogMjBmXG4iDQoJIiAgICAgICBhZGMgICAoJVtidWZmXSwgJVtsZW5dKSwg JVtzdW1dXG4iDQoJIiAgICAgICBhZGMgICA4KCVbYnVmZl0sICVbbGVuXSksICVbc3VtXVxuIg0K CSIgICAgICAgbGVhICAgMTYoJVtsZW5dKSwgJVtsZW5dXG4iDQoJIiAgICAgICBqbXAgICAxMGJc biINCgkiMjA6ICAgIGFkYyAgICQwLCAlW3N1bV1cbiINCmluIHR3byBjbG9ja3MgcGVyIGl0ZXJh dGlvbiAtIDggYnl0ZXMvY2xvY2suDQpTaW5jZSBpdCBpcyB0cml2aWFsIHRvIGhhbmRsZSA4bis0 IGJ1ZmZlcnMgKGVnIGFzIGFib3ZlKQ0KdGhhdCBvbmx5IGxlYXZlcyB0aGUgQyBjb2RlIHRvIGhh bmRsZSB0aGUgZmluYWwgMC03IGJ5dGVzLg0KDQo+IE1heWJlIEknbGwgc29ydCBvdXQgYW5vdGhl ciBwYXRjaC4uLg0KDQpQcm9iYWJseSBhZnRlciB0aGUgbmV4dCByYzEgaXMgb3V0Lg0KDQoJRGF2 aWQNCg0KLQ0KUmVnaXN0ZXJlZCBBZGRyZXNzIExha2VzaWRlLCBCcmFtbGV5IFJvYWQsIE1vdW50 IEZhcm0sIE1pbHRvbiBLZXluZXMsIE1LMSAxUFQsIFVLDQpSZWdpc3RyYXRpb24gTm86IDEzOTcz ODYgKFdhbGVzKQ0K