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 1684FC433EF for ; Thu, 6 Jan 2022 15:22:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240445AbiAFPWG (ORCPT ); Thu, 6 Jan 2022 10:22:06 -0500 Received: from eu-smtp-delivery-151.mimecast.com ([185.58.85.151]:49569 "EHLO eu-smtp-delivery-151.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240393AbiAFPWF (ORCPT ); Thu, 6 Jan 2022 10:22:05 -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-132-q9hJDqqMPxmmiZ5MKZZQew-1; Thu, 06 Jan 2022 15:21:52 +0000 X-MC-Unique: q9hJDqqMPxmmiZ5MKZZQew-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; Thu, 6 Jan 2022 15:21:51 +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; Thu, 6 Jan 2022 15:21:51 +0000 From: David Laight To: 'Eric Dumazet' , 'Peter Zijlstra' CC: "'tglx@linutronix.de'" , "'mingo@redhat.com'" , 'Borislav Petkov' , "'dave.hansen@linux.intel.com'" , 'X86 ML' , "'hpa@zytor.com'" , "'alexanderduyck@fb.com'" , 'open list' , 'netdev' , "'Noah Goldstein'" Subject: [PATCH ] x86/lib: Simplify code for !CONFIG_DCACHE_WORD_ACCESS in csum-partial_64.c Thread-Topic: [PATCH ] x86/lib: Simplify code for !CONFIG_DCACHE_WORD_ACCESS in csum-partial_64.c Thread-Index: AdgDEH+mtMhrZ9ynRvybrK9s3y5Pbw== Date: Thu, 6 Jan 2022 15:21:51 +0000 Message-ID: <5f848b1cd6f844f6bc66fbec44237e08@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: linux-kernel@vger.kernel.org SWYgbG9hZF91bmFsaWduZWRfemVyb3BhZCgpIGNhbid0IGJlIHVzZWQgKHVtIGJ1aWxkcykNCnRo ZW4ganVzdCBhZGQgdG9nZXRoZXIgdGhlIGZpbmFsIGJ5dGVzIGFuZCBkbyBhIHNpbmdsZSAnYWRj Jw0KdG8gYWRkIHRvIHRoZSA2NGJpdCBzdW0uDQoNClNpZ25lZC1vZmYtYnk6IERhdmlkIExhaWdo dCA8ZGF2aWQubGFpZ2h0QGFjdWxhYi5jb20+DQotLS0NCg0KSXQgaXMgYSBzaGFtZSB0aGF0IHRo aXMgY29kZSBpcyBuZWVkZWQgYXQgYWxsLg0KSSBkb3VidCB1bSB3b3VsZCBldmVyIGZhdWx0IGp1 c3QgcmVhZGluZyB0aGUgMzJiaXQgdmFsdWUuDQoNCiBhcmNoL3g4Ni9saWIvY3N1bS1wYXJ0aWFs XzY0LmMgfCAzMyArKysrKysrKysrLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0NCiAxIGZpbGUgY2hh bmdlZCwgMTAgaW5zZXJ0aW9ucygrKSwgMjMgZGVsZXRpb25zKC0pDQoNCmRpZmYgLS1naXQgYS9h cmNoL3g4Ni9saWIvY3N1bS1wYXJ0aWFsXzY0LmMgYi9hcmNoL3g4Ni9saWIvY3N1bS1wYXJ0aWFs XzY0LmMNCmluZGV4IDA2MWIxZWQ3NGQ2YS4uZWRkM2U1NzljMmE3IDEwMDY0NA0KLS0tIGEvYXJj aC94ODYvbGliL2NzdW0tcGFydGlhbF82NC5jDQorKysgYi9hcmNoL3g4Ni9saWIvY3N1bS1wYXJ0 aWFsXzY0LmMNCkBAIC03Myw0MSArNzMsMjggQEAgX193c3VtIGNzdW1fcGFydGlhbChjb25zdCB2 b2lkICpidWZmLCBpbnQgbGVuLCBfX3dzdW0gc3VtKQ0KIAkJYnVmZiArPSA4Ow0KIAl9DQogCWlm IChsZW4gJiA3KSB7DQorCQl1bnNpZ25lZCBsb25nIHRyYWlsOw0KICNpZmRlZiBDT05GSUdfRENB Q0hFX1dPUkRfQUNDRVNTDQogCQl1bnNpZ25lZCBpbnQgc2hpZnQgPSAoOCAtIChsZW4gJiA3KSkg KiA4Ow0KLQkJdW5zaWduZWQgbG9uZyB0cmFpbDsNCiANCiAJCXRyYWlsID0gKGxvYWRfdW5hbGln bmVkX3plcm9wYWQoYnVmZikgPDwgc2hpZnQpID4+IHNoaWZ0Ow0KLQ0KLQkJYXNtKCJhZGRxICVb dHJhaWxdLCVbcmVzXVxuXHQiDQotCQkgICAgImFkY3EgJDAsJVtyZXNdIg0KLQkJCTogW3Jlc10g IityIiAodGVtcDY0KQ0KLQkJCTogW3RyYWlsXSAiciIgKHRyYWlsKSk7DQogI2Vsc2UNCisJCXRy YWlsID0gMDsNCiAJCWlmIChsZW4gJiA0KSB7DQotCQkJYXNtKCJhZGRxICVbdmFsXSwlW3Jlc11c blx0Ig0KLQkJCSAgICAiYWRjcSAkMCwlW3Jlc10iDQotCQkJCTogW3Jlc10gIityIiAodGVtcDY0 KQ0KLQkJCQk6IFt2YWxdICJyIiAoKHU2NCkqKHUzMiAqKWJ1ZmYpDQotCQkJCTogIm1lbW9yeSIp Ow0KKwkJCXRyYWlsICs9ICoodTMyICopYnVmZjsNCiAJCQlidWZmICs9IDQ7DQogCQl9DQogCQlp ZiAobGVuICYgMikgew0KLQkJCWFzbSgiYWRkcSAlW3ZhbF0sJVtyZXNdXG5cdCINCi0JCQkgICAg ImFkY3EgJDAsJVtyZXNdIg0KLQkJCQk6IFtyZXNdICIrciIgKHRlbXA2NCkNCi0JCQkJOiBbdmFs XSAiciIgKCh1NjQpKih1MTYgKilidWZmKQ0KLQkJCQk6ICJtZW1vcnkiKTsNCisJCQl0cmFpbCAr PSAqKHUxNiAqKWJ1ZmY7DQogCQkJYnVmZiArPSAyOw0KIAkJfQ0KLQkJaWYgKGxlbiAmIDEpIHsN Ci0JCQlhc20oImFkZHEgJVt2YWxdLCVbcmVzXVxuXHQiDQotCQkJICAgICJhZGNxICQwLCVbcmVz XSINCi0JCQkJOiBbcmVzXSAiK3IiICh0ZW1wNjQpDQotCQkJCTogW3ZhbF0gInIiICgodTY0KSoo dTggKilidWZmKQ0KLQkJCQk6ICJtZW1vcnkiKTsNCi0JCX0NCisJCWlmIChsZW4gJiAxKQ0KKwkJ CXRyYWlsICs9ICoodTggKilidWZmOw0KICNlbmRpZg0KKwkJYXNtKCJhZGRxICVbdHJhaWxdLCVb cmVzXVxuXHQiDQorCQkgICAgImFkY3EgJDAsJVtyZXNdIg0KKwkJCTogW3Jlc10gIityIiAodGVt cDY0KQ0KKwkJCTogW3RyYWlsXSAiciIgKHRyYWlsKSk7DQogCX0NCiAJcmVzdWx0ID0gYWRkMzJf d2l0aF9jYXJyeSh0ZW1wNjQgPj4gMzIsIHRlbXA2NCAmIDB4ZmZmZmZmZmYpOw0KIAlyZXR1cm4g KF9fZm9yY2UgX193c3VtKXJlc3VsdDsNCi0tIA0KMi4xNy4xDQoNCi0NClJlZ2lzdGVyZWQgQWRk cmVzcyBMYWtlc2lkZSwgQnJhbWxleSBSb2FkLCBNb3VudCBGYXJtLCBNaWx0b24gS2V5bmVzLCBN SzEgMVBULCBVSw0KUmVnaXN0cmF0aW9uIE5vOiAxMzk3Mzg2IChXYWxlcykNCg==