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 0A80BC83003 for ; Wed, 29 Apr 2020 08:56:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D9D2E20775 for ; Wed, 29 Apr 2020 08:56:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726669AbgD2I4P (ORCPT ); Wed, 29 Apr 2020 04:56:15 -0400 Received: from eu-smtp-delivery-151.mimecast.com ([207.82.80.151]:33060 "EHLO eu-smtp-delivery-151.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726476AbgD2I4P (ORCPT ); Wed, 29 Apr 2020 04:56:15 -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-72-PEC8r6YnPqSaVPhMZbGowA-1; Wed, 29 Apr 2020 09:56:13 +0100 X-MC-Unique: PEC8r6YnPqSaVPhMZbGowA-1 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; Wed, 29 Apr 2020 09:56:12 +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; Wed, 29 Apr 2020 09:56:12 +0100 From: David Laight To: 'Jim Mattson' , 'Paolo Bonzini' CC: 'LKML' , 'kvm list' , 'Sean Christopherson' , 'Joerg Roedel' , "'everdox@gmail.com'" Subject: RE: [PATCH] KVM: x86: handle wrap around 32-bit address space Thread-Topic: [PATCH] KVM: x86: handle wrap around 32-bit address space Thread-Index: AQHWHPQJ/975q5rp/UiOQx/+1A4bJqiPy+vwgAABnFA= Date: Wed, 29 Apr 2020 08:56:12 +0000 Message-ID: <91c76eb0edcd4f1a9d5bc541d35f8ade@AcuMS.aculab.com> References: <20200427165917.31799-1-pbonzini@redhat.com> 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-Mimecast-Spam-Score: 0 X-Mimecast-Originator: aculab.com 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 RnJvbTogRGF2aWQgTGFpZ2h0DQo+IFNlbnQ6IDI5IEFwcmlsIDIwMjAgMDk6NTANCj4gRnJvbTog SmltIE1hdHRzb24NCj4gPiBTZW50OiAyOCBBcHJpbCAyMDIwIDAxOjI5DQo+ID4gT24gTW9uLCBB cHIgMjcsIDIwMjAgYXQgOTo1OSBBTSBQYW9sbyBCb256aW5pIDxwYm9uemluaUByZWRoYXQuY29t PiB3cm90ZToNCj4gPiA+DQo+ID4gPiBLVk0gaXMgbm90IGhhbmRsaW5nIHRoZSBjYXNlIHdoZXJl IEVJUCB3cmFwcyBhcm91bmQgdGhlIDMyLWJpdCBhZGRyZXNzDQo+ID4gPiBzcGFjZSAodGhhdCBp cywgb3V0c2lkZSBsb25nIG1vZGUpLiAgVGhpcyBpcyBuZWVkZWQgYm90aCBpbiB2bXguYw0KPiA+ ID4gYW5kIGluIGVtdWxhdGUuYy4gIFNWTSB3aXRoIE5SSVBTIGlzIG9rYXksIGJ1dCBpdCBjYW4g c3RpbGwgcHJpbnQNCj4gPiA+IGFuIGVycm9yIHRvIGRtZXNnIGR1ZSB0byBpbnRlZ2VyIG92ZXJm bG93Lg0KPiAuLi4NCj4gPiA+ICsgICAgICAgICAgICAgICBpZiAodW5saWtlbHkoKChyaXAgXiBv cmlnX3JpcCkgPj4gMzEpID09IDMpICYmICFpc182NF9iaXRfbW9kZSh2Y3B1KSkNCj4gDQo+IElz bid0IHRoZSBtb3JlIG9idmlvdXM6DQo+IAlpZiAoKChyaXAgXiBvcmlnX3JpcCkgJiAxdWxsIDw8 IDMyKSAuLi4NCj4gZXF1aXZhbGVudD8NCg0KQWN0dWFsbHkgbm90IGV2ZW4gYmVpbmcgY2xldmVy LCBob3cgYWJvdXQ6DQoJaWYgKG9yaWdfcmlwIDwgKDF1bGwgPDwgMzIpICYmIHVubGlrZWx5KHJp cCA+PSAoMXVsbCA8PCAzMikpICYmIC4uLg0KDQoJRGF2aWQNCg0KLQ0KUmVnaXN0ZXJlZCBBZGRy ZXNzIExha2VzaWRlLCBCcmFtbGV5IFJvYWQsIE1vdW50IEZhcm0sIE1pbHRvbiBLZXluZXMsIE1L MSAxUFQsIFVLDQpSZWdpc3RyYXRpb24gTm86IDEzOTczODYgKFdhbGVzKQ0K