From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eu-smtp-delivery-151.mimecast.com (eu-smtp-delivery-151.mimecast.com [185.58.86.151]) (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 8A1B512E57 for ; Sun, 7 Jan 2024 12:11:45 +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-241-7jv6gjUqPeS-9lWp4G32ww-1; Sun, 07 Jan 2024 12:11:39 +0000 X-MC-Unique: 7jv6gjUqPeS-9lWp4G32ww-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; Sun, 7 Jan 2024 12:11:18 +0000 Received: from AcuMS.Aculab.com ([::1]) by AcuMS.aculab.com ([::1]) with mapi id 15.00.1497.048; Sun, 7 Jan 2024 12:11:18 +0000 From: David Laight To: 'Eric Dumazet' , Linus Torvalds CC: Noah Goldstein , kernel test robot , "x86@kernel.org" , "oe-kbuild-all@lists.linux.dev" , "linux-kernel@vger.kernel.org" , "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+P0bkWBCjHsrqR0abAo6HRAgKIYy6qAAJmVUIAAjHgAgABZ3tCAALgJL4ABrVJQ Date: Sun, 7 Jan 2024 12:11:18 +0000 Message-ID: <003465d588004802b2ce88db40cfd1dc@AcuMS.aculab.com> References: <20230920192300.3772199-1-goldstein.w.n@gmail.com> <202309231130.ZI5MdlDc-lkp@intel.com> <5354eeec562345f6a1de84f0b2081b75@AcuMS.aculab.com> <204bf145e6ad47219c005e9a4407ebdc@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 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 RnJvbTogRXJpYyBEdW1hemV0DQo+IFNlbnQ6IDA2IEphbnVhcnkgMjAyNCAxMDoyNg0KLi4uDQo+ IE9uIGEgcmVsYXRlZCBub3RlLCBhdCBsZWFzdCB3aXRoIGNsYW5nLCBJIGZvdW5kIHRoYXQgY3N1 bV9pcHY2X21hZ2ljKCkNCj4gaXMgbmVlZGxlc3NseSB1c2luZyB0ZW1wb3Jhcnkgb24tc3RhY2sg c3RvcmFnZSwNCj4gc2hvd2luZyBhIHN0YWxsIG9uIENhc2NhZGUgTGFrZSB1bmxlc3MgSSBhbSBw YXRjaGluZyBhZGQzMl93aXRoX2NhcnJ5KCkgOg0KPiANCj4gZGlmZiAtLWdpdCBhL2FyY2gveDg2 L2luY2x1ZGUvYXNtL2NoZWNrc3VtXzY0LmgNCj4gYi9hcmNoL3g4Ni9pbmNsdWRlL2FzbS9jaGVj a3N1bV82NC5oDQo+IGluZGV4IDQwN2JlZWJhZGFmNDVhNzQ4ZjkxYTM2Yjc4YmQxZDAyMzQ0OWIx MzIuLmMzZDZmNDc2MjZjNzBkODFmMGMyYmE0MDFkODUwNTBiMDlhMzk5MjINCj4gMTAwNjQ0DQo+ IC0tLSBhL2FyY2gveDg2L2luY2x1ZGUvYXNtL2NoZWNrc3VtXzY0LmgNCj4gKysrIGIvYXJjaC94 ODYvaW5jbHVkZS9hc20vY2hlY2tzdW1fNjQuaA0KPiBAQCAtMTcxLDcgKzE3MSw3IEBAIHN0YXRp YyBpbmxpbmUgdW5zaWduZWQgYWRkMzJfd2l0aF9jYXJyeSh1bnNpZ25lZA0KPiBhLCB1bnNpZ25l ZCBiKQ0KPiAgICAgICAgIGFzbSgiYWRkbCAlMiwlMFxuXHQiDQo+ICAgICAgICAgICAgICJhZGNs ICQwLCUwIg0KPiAgICAgICAgICAgICA6ICI9ciIgKGEpDQo+IC0gICAgICAgICAgIDogIjAiIChh KSwgInJtIiAoYikpOw0KPiArICAgICAgICAgICA6ICIwIiAoYSksICJyIiAoYikpOw0KPiAgICAg ICAgIHJldHVybiBhOw0KPiAgfQ0KDQpUcnkgcmVwbGFjaW5nOg0KCXJldHVybiBjc3VtX2ZvbGQo DQoJICAgICAgIChfX2ZvcmNlIF9fd3N1bSlhZGQzMl93aXRoX2NhcnJ5KHN1bTY0ICYgMHhmZmZm ZmZmZiwgc3VtNjQ+PjMyKSk7DQp3aXRoOg0KCXJldHVybiBjc3VtX2ZvbGQoKF9fZm9yY2UgX193 c3VtKSgoc3VtNjQgKyByb3I2NChzdW02NCwgMzIpKSA+PiAzMikpOw0KDQpTaG91bGQgYmUgbGVz cyBpbnN0cnVjdGlvbnMgYXMgd2VsbC4NCihzaGlmdCwgYWRkLCBzaGlmdCB2IHNoaWZ0LCBtb3Ys IGFuZCwgYWRkLCBhZGQpDQpBbHRob3VnaCBib3RoIG1pZ2h0IGJlIDMgY2xvY2tzLg0KDQpUaGUg YmVzdCBDIHZlcnNpb24gb2YgY3N1bV9mb2xkIChmcm9tIElJUkMgYXJjKSBpcyBhbHNvIGxpa2Vs eSB0byBiZQ0KYmV0dGVyIHRoYW4gdGhlIHg4NiBhc20gb25lIC0gY2VydGFpbmx5IG5vIHdvcnNl Lg0KDQoJRGF2aWQNCg0KLQ0KUmVnaXN0ZXJlZCBBZGRyZXNzIExha2VzaWRlLCBCcmFtbGV5IFJv YWQsIE1vdW50IEZhcm0sIE1pbHRvbiBLZXluZXMsIE1LMSAxUFQsIFVLDQpSZWdpc3RyYXRpb24g Tm86IDEzOTczODYgKFdhbGVzKQ0K