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 E795AC43334 for ; Thu, 16 Jun 2022 06:35:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1359206AbiFPGfw (ORCPT ); Thu, 16 Jun 2022 02:35:52 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54936 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1344922AbiFPGft (ORCPT ); Thu, 16 Jun 2022 02:35:49 -0400 Received: from eu-smtp-delivery-151.mimecast.com (eu-smtp-delivery-151.mimecast.com [185.58.85.151]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 2441A56B2C for ; Wed, 15 Jun 2022 23:35:47 -0700 (PDT) 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-122-sCnYHqVNOFmgVXEq4wuTBA-1; Thu, 16 Jun 2022 07:35:45 +0100 X-MC-Unique: sCnYHqVNOFmgVXEq4wuTBA-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 15.0.1497.36; Thu, 16 Jun 2022 07:35:44 +0100 Received: from AcuMS.Aculab.com ([fe80::994c:f5c2:35d6:9b65]) by AcuMS.aculab.com ([fe80::994c:f5c2:35d6:9b65%12]) with mapi id 15.00.1497.036; Thu, 16 Jun 2022 07:35:44 +0100 From: David Laight To: 'Dave Hansen' , "Kirill A. Shutemov" , "tglx@linutronix.de" , "mingo@redhat.com" , "bp@alien8.de" , "luto@kernel.org" , "peterz@infradead.org" CC: "ak@linux.intel.com" , "dan.j.williams@intel.com" , "david@redhat.com" , "hpa@zytor.com" , "linux-kernel@vger.kernel.org" , "sathyanarayanan.kuppuswamy@linux.intel.com" , "seanjc@google.com" , "thomas.lendacky@amd.com" , "x86@kernel.org" Subject: RE: [PATCHv4 3/3] x86/tdx: Handle load_unaligned_zeropad() page-cross to a shared page Thread-Topic: [PATCHv4 3/3] x86/tdx: Handle load_unaligned_zeropad() page-cross to a shared page Thread-Index: AQHYgRCKqYZTWjd2ckufHWAySodJ3K1Rk5mQ Date: Thu, 16 Jun 2022 06:35:44 +0000 Message-ID: <9708d6cf72184b7788bfb95ea1f46faf@AcuMS.aculab.com> References: <20220614120135.14812-1-kirill.shutemov@linux.intel.com> <20220614120135.14812-4-kirill.shutemov@linux.intel.com> <20220615225200.lflv4tbqus6lnj5u@black.fi.intel.com> In-Reply-To: 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 RnJvbTogRGF2ZSBIYW5zZW4NCj4gU2VudDogMTYgSnVuZSAyMDIyIDAwOjM1DQo+IA0KPiBPbiA2 LzE1LzIyIDE1OjUyLCBLaXJpbGwgQS4gU2h1dGVtb3Ygd3JvdGU6DQo+ID4+ICsJdmFkZHIgPSAo dW5zaWduZWQgbG9uZylpbnNuX2dldF9hZGRyX3JlZigmaW5zbiwgcmVncyk7DQo+ID4+ICsJaWYg KHZhZGRyIC8gUEFHRV9TSVpFICE9ICh2YWRkciArIHNpemUpIC8gUEFHRV9TSVpFKQ0KPiA+IE9v cHMuIEkganVzdCByZWFsaXplZCBpdCBoYXMgb2ZmLWJ5LW9uZS4gSXQgc3VwcG9zZWQgdG8gYmU6 DQo+ID4NCj4gPiAJaWYgKHZhZGRyIC8gUEFHRV9TSVpFICE9ICh2YWRkciArIHNpemUgLSAxKSAv IFBBR0VfU0laRSkNCj4gDQo+IFRoYXQgd2FzIGJ1Z2dpbmcgbWUuICBHbGFkIHlvdSBjYXVnaHQg dGhpcy4NCj4gDQo+IFdvdWxkbid0IHRoaXMgYmUgbW9yZSBvYnZpb3VzbHkgY29ycmVjdD8NCj4g DQo+IAlpZiAoQUxJR05fRE9XTih2YWRkciwgICAgICAgIFBBR0VfU0laRSkgIT0NCj4gCSAgICBB TElHTl9ET1dOKHZhZGRyICsgc2l6ZSwgUEFHRV9TSVpFKSkNCj4gCQkuLi4NCj4gDQo+IEkgZG9u J3QgdGhpbmsgd2UgaGF2ZSBhIFBBR0VfQUxJR05fRE9XTigpLg0KDQpPcjoNCglpZiAoKHZhZGRy IF4gKHZhZGRyICsgc2l6ZSAtIDEpKSA+PiBQQUdFX1NISUZUKQ0KDQoJRGF2aWQNCg0KLQ0KUmVn aXN0ZXJlZCBBZGRyZXNzIExha2VzaWRlLCBCcmFtbGV5IFJvYWQsIE1vdW50IEZhcm0sIE1pbHRv biBLZXluZXMsIE1LMSAxUFQsIFVLDQpSZWdpc3RyYXRpb24gTm86IDEzOTczODYgKFdhbGVzKQ0K