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 D0887C433EF for ; Wed, 16 Feb 2022 09:04:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231842AbiBPJEx (ORCPT ); Wed, 16 Feb 2022 04:04:53 -0500 Received: from gmail-smtp-in.l.google.com ([23.128.96.19]:36818 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230491AbiBPJEw (ORCPT ); Wed, 16 Feb 2022 04:04:52 -0500 Received: from eu-smtp-delivery-151.mimecast.com (eu-smtp-delivery-151.mimecast.com [185.58.86.151]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id B375C2AD675 for ; Wed, 16 Feb 2022 01:04:40 -0800 (PST) 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-195-EET2GjE8Oq-6f4xc2vJeNw-1; Wed, 16 Feb 2022 09:04:37 +0000 X-MC-Unique: EET2GjE8Oq-6f4xc2vJeNw-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 15.0.1497.28; Wed, 16 Feb 2022 09:04:35 +0000 Received: from AcuMS.Aculab.com ([fe80::994c:f5c2:35d6:9b65]) by AcuMS.aculab.com ([fe80::994c:f5c2:35d6:9b65%12]) with mapi id 15.00.1497.028; Wed, 16 Feb 2022 09:04:35 +0000 From: David Laight To: 'Jue Wang' , Tony Luck , "Borislav Petkov" CC: "x86@kernel.org" , "linux-kernel@vger.kernel.org" , "patches@lists.linux.dev" Subject: RE: [PATCH] x86/mce: work around an erratum on fast string copy instructions. Thread-Topic: [PATCH] x86/mce: work around an erratum on fast string copy instructions. Thread-Index: AQHYIvoCSX/7pRzFAkuhPX3tNobqJqyV4VTQ Date: Wed, 16 Feb 2022 09:04:35 +0000 Message-ID: <3288f39e32f04d67a875775414dd1c14@AcuMS.aculab.com> References: <20220216055629.1542654-1-juew@google.com> In-Reply-To: <20220216055629.1542654-1-juew@google.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 RnJvbTogSnVlIFdhbmcNCj4gU2VudDogMTYgRmVicnVhcnkgMjAyMiAwNTo1Ng0KPiANCj4gVGhl IGZhc3Qgc3RyaW5nIGNvcHkgaW5zdHJ1Y3Rpb25zICgiUkVQOyBNT1ZTKiIpIGNvdWxkIGNvbnN1 bWUgYW4NCj4gdW5jb3JyZWN0YWJsZSBtZW1vcnkgZXJyb3IgaW4gdGhlIGNhY2hlIGxpbmUgX3Jp Z2h0IGFmdGVyXyB0aGUNCj4gZGVzaXJlZCByZWdpb24gdG8gY29weSBhbmQgcmFpc2UgYW4gTUNF Lg0KDQpzL2NvbnN1bWUvdHJhcCBkdWUgdG8vDQoNCklzbid0IHRoaXMganVzdCBwdXR0aW5nIG9m ZiB0aGUgaW5ldml0YWJsZSBwYW5pYyB3aGVuIHRoZQ0KZm9sbG93aW5nIGNhY2hlIGxpbmUgaXMg YWNjZXNzZXMgZm9yIHJlYWw/DQoNCk9yIGlzIHRoaXMgYWxsIGR1ZSB0byB0aGF0IHBzZXVkbyBk eW5hbWljIG1lbW9yeSAoeHBvaW50PykgdGhhdCBpcw0KYnl0ZSBhZGRyZXNzYWJsZSBidXQgb25s eSByZWFsbHkgaGFzIHRoZSBxdWFsaXR5IG9mIGEgZGlhaz8NCkl0IHdoaWNoIGNhc2UgSSB0aG91 Z2h0IGl0IHdhc24ndCBhY3R1YWxseSB1c2FibGUgZm9yDQpub3JtYWwgbWVtb3J5IGFueXdheSAt IHNvIHRoZSBjb3BpZXMgYXJlIGFsbCBvbmVzIHdoaWNoIGNhbiBmYXVsdC4NCg0KCURhdmlkDQoN Ci0NClJlZ2lzdGVyZWQgQWRkcmVzcyBMYWtlc2lkZSwgQnJhbWxleSBSb2FkLCBNb3VudCBGYXJt LCBNaWx0b24gS2V5bmVzLCBNSzEgMVBULCBVSw0KUmVnaXN0cmF0aW9uIE5vOiAxMzk3Mzg2IChX YWxlcykNCg==