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 1925BC83003 for ; Wed, 29 Apr 2020 08:50:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id F3FA920775 for ; Wed, 29 Apr 2020 08:50:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726692AbgD2IuZ (ORCPT ); Wed, 29 Apr 2020 04:50:25 -0400 Received: from eu-smtp-delivery-151.mimecast.com ([207.82.80.151]:60898 "EHLO eu-smtp-delivery-151.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726556AbgD2IuZ (ORCPT ); Wed, 29 Apr 2020 04:50:25 -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-250-ruH5aaJPOy-ZH7BMxoXelQ-1; Wed, 29 Apr 2020 09:50:21 +0100 X-MC-Unique: ruH5aaJPOy-ZH7BMxoXelQ-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 09:50:21 +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 09:50:21 +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+vw Date: Wed, 29 Apr 2020 08:50:21 +0000 Message-ID: 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 RnJvbTogSmltIE1hdHRzb24NCj4gU2VudDogMjggQXByaWwgMjAyMCAwMToyOQ0KPiBPbiBNb24s IEFwciAyNywgMjAyMCBhdCA5OjU5IEFNIFBhb2xvIEJvbnppbmkgPHBib256aW5pQHJlZGhhdC5j b20+IHdyb3RlOg0KPiA+DQo+ID4gS1ZNIGlzIG5vdCBoYW5kbGluZyB0aGUgY2FzZSB3aGVyZSBF SVAgd3JhcHMgYXJvdW5kIHRoZSAzMi1iaXQgYWRkcmVzcw0KPiA+IHNwYWNlICh0aGF0IGlzLCBv dXRzaWRlIGxvbmcgbW9kZSkuICBUaGlzIGlzIG5lZWRlZCBib3RoIGluIHZteC5jDQo+ID4gYW5k IGluIGVtdWxhdGUuYy4gIFNWTSB3aXRoIE5SSVBTIGlzIG9rYXksIGJ1dCBpdCBjYW4gc3RpbGwg cHJpbnQNCj4gPiBhbiBlcnJvciB0byBkbWVzZyBkdWUgdG8gaW50ZWdlciBvdmVyZmxvdy4NCi4u Lg0KPiA+ICsgICAgICAgICAgICAgICBpZiAodW5saWtlbHkoKChyaXAgXiBvcmlnX3JpcCkgPj4g MzEpID09IDMpICYmICFpc182NF9iaXRfbW9kZSh2Y3B1KSkNCg0KSXNuJ3QgdGhlIG1vcmUgb2J2 aW91czoNCglpZiAoKChyaXAgXiBvcmlnX3JpcCkgJiAxdWxsIDw8IDMyKSAuLi4NCmVxdWl2YWxl bnQ/DQoNCglEYXZpZA0KDQotDQpSZWdpc3RlcmVkIEFkZHJlc3MgTGFrZXNpZGUsIEJyYW1sZXkg Um9hZCwgTW91bnQgRmFybSwgTWlsdG9uIEtleW5lcywgTUsxIDFQVCwgVUsNClJlZ2lzdHJhdGlv biBObzogMTM5NzM4NiAoV2FsZXMpDQo=