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 X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7C958C4CECD for ; Tue, 17 Sep 2019 10:55:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5942821897 for ; Tue, 17 Sep 2019 10:55:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727365AbfIQKzQ (ORCPT ); Tue, 17 Sep 2019 06:55:16 -0400 Received: from eu-smtp-delivery-151.mimecast.com ([207.82.80.151]:32213 "EHLO eu-smtp-delivery-151.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726141AbfIQKzQ (ORCPT ); Tue, 17 Sep 2019 06:55:16 -0400 Received: from AcuMS.aculab.com (156.67.243.126 [156.67.243.126]) (Using TLS) by relay.mimecast.com with ESMTP id uk-mta-6--ko-SATcNWqgGhEDOWvmRg-1; Tue, 17 Sep 2019 11:55:13 +0100 Received: from AcuMS.Aculab.com (fd9f:af1c:a25b:0:43c:695e:880f:8750) by AcuMS.aculab.com (fd9f:af1c:a25b:0:43c:695e:880f:8750) with Microsoft SMTP Server (TLS) id 15.0.1347.2; Tue, 17 Sep 2019 11:55:12 +0100 Received: from AcuMS.Aculab.com ([fe80::43c:695e:880f:8750]) by AcuMS.aculab.com ([fe80::43c:695e:880f:8750%12]) with mapi id 15.00.1347.000; Tue, 17 Sep 2019 11:55:12 +0100 From: David Laight To: 'Linus Torvalds' , Rasmus Villemoes CC: Borislav Petkov , Rasmus Villemoes , x86-ml , Andy Lutomirski , Josh Poimboeuf , lkml Subject: RE: [RFC] Improve memset Thread-Topic: [RFC] Improve memset Thread-Index: AQHVbLPIu4hecDwEF0u+nZH4epFBdqcvr1XQ Date: Tue, 17 Sep 2019 10:55:12 +0000 Message-ID: <2061267c74254b03ad5b7b23d6dfd961@AcuMS.aculab.com> References: <20190913072237.GA12381@zn.tnic> <9dc9f1e6-5d19-167c-793d-2f4a5ebee097@rasmusvillemoes.dk> <20190913104232.GA4190@zn.tnic> <20190913163645.GC4190@zn.tnic> <3fc31917-9452-3a10-d11d-056bf2d8b97d@rasmusvillemoes.dk> In-Reply-To: Accept-Language: en-GB, en-US Content-Language: 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 X-MC-Unique: -ko-SATcNWqgGhEDOWvmRg-1 X-Mimecast-Spam-Score: 0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: base64 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org RnJvbTogTGludXMgVG9ydmFsZHMNCj4gU2VudDogMTYgU2VwdGVtYmVyIDIwMTkgMTg6MjUNCi4u Lg0KPiBZb3UgY2FuIGJhc2ljYWxseSBhbHdheXMgYmVhdCAicmVwIG1vdnMvc3RvcyIgd2l0aCBo YW5kLXR1bmVkIEFWWDIvNTEyDQo+IGNvZGUgZm9yIHNwZWNpZmljIGNhc2VzIGlmIHlvdSBkb24n dCBsb29rIGF0IEkkIGZvb3RwcmludCBhbmQgdGhlIGNvc3QNCj4gb2YgdGhlIEFWWCBzZXR1cCAo YW5kIHRoZSBjb3N0IG9mIGZyZXF1ZW5jeSBjaGFuZ2VzLCB3aGljaCBvZnRlbiBnbw0KPiBoYW5k LWluLWhhbmQgd2l0aCB0aGUgQVZYIHVzZSkuIFNvICJyZXAgbW92cy9zdG9zIiBpcyBzZWxkb20N Cj4gX29wdGltYWxfLCBidXQgaXQgdGVuZHMgdG8gYmUgInF1aXRlIGdvb2QiIGZvciBtb2Rlcm4g Q1BVJ3Mgd2l0aA0KPiB2YXJpYWJsZSBzaXplcyB0aGF0IGFyZSBpbiB0aGUgMTAwKyBieXRlIHJh bmdlLg0KDQpZZWFycyBhZ28gSSBtYW5hZ2VkIHRvIG1hdGNoICdyZXAgbW92cycgb24gbXkgQXRo bG9uIDcwMCB3aXRoIGENCidub3JtYWwnIGNvZGUgbG9vcC4NCkkgY2FuJ3QgcmVtZW1iZXIgd2hl dGhlciBJIGJlYXQgdGhlIHNldHVwIHRpbWUgdGhvdWdoLg0KVGhlICd0cmljaycgd2FzIHRvIGRv ICdyZWFkIChyZWFkLXdyaXRlKSpuIHdyaXRlJyB0bw0KYXZvaWQgc3RhbGxzIGFuZCBnZXQgYWxs IHRoZSBsb29wIHByb2Nlc3NpbmcgZm9yIGZyZWUuDQpUaGUgSSQgZm9vdHByaW50IHdhcyBsYXJn ZXIgdGhvdWdoLg0KDQpUaGUgc2V0dXAgY29zdHMgZm9yICdyZXAgbW92eCcgYXJlIHNpZ25pZmlj YW50Lg0KSSB0aGluayB0aGUgd29yc3QgY3B1IHdhcyB0aGUgUDQtTmV0YnVzdCBhdCA0MC01MCBj bG9ja3MuDQpNeSBndWVzcyBpcyBvdmVyIDEwIGZvciBhbGwgY3B1IChleGNlcHQgcHJlLXBlbnRp dW0gb25lcykuDQoNCklJUkMgdGhlIG9ubHkgY3B1IG9uIHdoaWNoIHlvdSBzaG91bGQgdXNlICdy ZXAgbW92c2InIGZvciB0aGUNCnRyYWlsaW5nIGJ5dGVzIGlzIHRoZSBvbmUgYmVmb3JlIEludGVs IGFkZGVkIHRoZSBmYXN0IGNvcHkgbG9naWMuDQpUaGF0IG9uZSBoYWQgc3BlY2lhbCBvcHRpbWlz YXRpb25zIGZvciAncmVwIG1vdnNiJyBvZiBsZW5ndGggPCA4Lg0KDQpSZW1lbWJlciwgaWYgeW91 IGFyZSBpbmxpbmluZyB5b3UgcHJvYmFibHkgaGF2ZSB0byBhc3N1bWUgY29sZC1jYWNoZQ0KYW5k IGFuIHVudHJhaW5lZCBicmFuY2ggcHJlZGljdG9yLg0KTW9zdCBiZW5jaG1hcmtpbmcgaXMgZG9u ZSBob3QtY2FjaGUgd2l0aCB0aGUgYnJhbmNoIHByZWRpY3RvciB0cmFpbmVkLg0KDQoJRGF2aWQN Cg0KLQ0KUmVnaXN0ZXJlZCBBZGRyZXNzIExha2VzaWRlLCBCcmFtbGV5IFJvYWQsIE1vdW50IEZh cm0sIE1pbHRvbiBLZXluZXMsIE1LMSAxUFQsIFVLDQpSZWdpc3RyYXRpb24gTm86IDEzOTczODYg KFdhbGVzKQ0K