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[209.132.180.67]) by mx.google.com with ESMTP id d92-v6si5861079pld.383.2018.02.20.06.10.50; Tue, 20 Feb 2018 06:11:06 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751476AbeBTOIc (ORCPT + 99 others); Tue, 20 Feb 2018 09:08:32 -0500 Received: from mga01.intel.com ([192.55.52.88]:61754 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751203AbeBTOI3 (ORCPT ); Tue, 20 Feb 2018 09:08:29 -0500 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by fmsmga101.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 20 Feb 2018 06:08:28 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.46,539,1511856000"; d="scan'208";a="205546158" Received: from orsmsx108.amr.corp.intel.com ([10.22.240.6]) by fmsmga005.fm.intel.com with ESMTP; 20 Feb 2018 06:08:28 -0800 Received: from orsmsx157.amr.corp.intel.com (10.22.240.23) by ORSMSX108.amr.corp.intel.com (10.22.240.6) with Microsoft SMTP Server (TLS) id 14.3.319.2; Tue, 20 Feb 2018 06:08:27 -0800 Received: from orsmsx103.amr.corp.intel.com ([169.254.5.179]) by ORSMSX157.amr.corp.intel.com ([169.254.9.126]) with mapi id 14.03.0319.002; Tue, 20 Feb 2018 06:08:27 -0800 From: "Van De Ven, Arjan" To: Paolo Bonzini , "valdis.kletnieks@vt.edu" CC: Jon Masters , David Woodhouse , "tglx@linutronix.de" , "x86@kernel.org" , "kvm@vger.kernel.org" , "torvalds@linux-foundation.org" , "linux-kernel@vger.kernel.org" , "Hansen, Dave" , Ingo Molnar Subject: RE: [PATCH 2/2] x86/speculation: Support "Enhanced IBRS" on future CPUs Thread-Topic: [PATCH 2/2] x86/speculation: Support "Enhanced IBRS" on future CPUs Thread-Index: AQHTpBYQl8Dyc4mRm0iZ20KRHB9/vaOif+eAgAADjgCAABy9AIAABnAAgAAEXACAAAFigIAEqxQAgAACw4CAAAOrgIAAC+oAgAASX4CABXcSgP//eu2wgACJV4D//3ujYIABSuKA//+iJWA= Date: Tue, 20 Feb 2018 14:08:26 +0000 Message-ID: <0575AF4FD06DD142AD198903C74E1CC87A619465@ORSMSX103.amr.corp.intel.com> References: <1518449255-2182-1-git-send-email-dwmw@amazon.co.uk> <1518449255-2182-2-git-send-email-dwmw@amazon.co.uk> <7e2e5ad1-49b6-1fdb-4a62-8ad6aefc30a0@redhat.com> <1518509708.12890.33.camel@infradead.org> <27c85759-e662-d281-f8a0-0a80ca8ee18f@redhat.com> <1518517262.12890.43.camel@infradead.org> <1518518198.12890.48.camel@infradead.org> <02bd3fdd-1b73-6cab-fb09-38ba933396bd@redhat.com> <1518775136.7876.13.camel@infradead.org> <75287047-77a0-e0ff-c2e8-61c81641251e@redhat.com> <1518776517.7876.21.camel@infradead.org> <1518783021.7876.34.camel@infradead.org> <4882860e-23c5-75b3-ac02-c700f615156e@jonmasters.org> <0575AF4FD06DD142AD198903C74E1CC87A61923C@ORSMSX103.amr.corp.intel.com> <10373.1519084385@turing-police.cc.vt.edu> <0575AF4FD06DD142AD198903C74E1CC87A619255@ORSMSX103.amr.corp.intel.com> In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: dlp-product: dlpe-windows dlp-version: 11.0.0.116 dlp-reaction: no-action x-originating-ip: [10.22.254.138] Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org PiA+PiBGb3IgYm9udXMgcG9pbnRzOiAgV2hhdCBzaG91bGQgaGFwcGVuIHRvIGEgVk0gdGhhdCBp cyBsaXZlIG1pZ3JhdGVkDQo+ID4+IGZyb20gb25lIGh5cGVydmlzb3IgdG8gYW5vdGhlciwgYW5k IHRoZSBoeXBlcnZpc29ycyBoYXZlIGRpZmZlcmVudA0KPiA+PiBJQlJTIHN1cHBvcnQ/DQo+ID4N Cj4gPiBEb2N0b3IgRG9jdG9yIGl0IGh1cnRzIHdoZW4gSSBkbyB0aGlzLi4uLg0KPiA+DQo+ID4g TWlncmF0aW9uIHRlbmRzIHRvIG9ubHkgd29yayBiZXR3ZWVuIEhWJ3MgdGhhdCBhcmUgcmVsYXRp dmVseQ0KPiA+IGhvbW9nZW5lb3VzLCB0aGF0J3Mgbm90aGluZyBuZXcuLi4NCj4gDQo+IE5vIEFy amFuLCB0aGlzIGlzIGp1c3Qgd3JvbmcuICBXZWxsLCBJIHN1cHBvc2UgaXQncyByaWdodCBpbiB0 aGUgcHJlc2VudA0KPiB0ZW5zZSB3aXRoIHRoZSBJQlJTIG1lc3Mgb24gU2t5bGFrZSwgYnV0IGl0 J3MgX25vdF8gYmVlbiB0cnVlIHVudGlsIGxhc3QNCj4geWVhci4NCg0KDQpJIG1lYW50IHNvZnR3 YXJlIHdpc2UuIFlvdSdyZSBub3QgZ29pbmcgdG8gbGl2ZSBtaWdyYXRlIGZyb20geGVuIHRvIGt2 bSBvciBiYWNrd2FyZHMuIG9yIGJldHdlZW4gdmVyeSByYWRpY2FsbHkgZGlmZmVyZW50IHZlcnNp b25zIG9mIHRoZSBrdm0gc3RhY2suDQoNCg==