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[209.132.180.67]) by mx.google.com with ESMTP id x7si11594960pfb.298.2018.02.19.16.01.04; Mon, 19 Feb 2018 16:01:19 -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 S932292AbeBTAA1 (ORCPT + 99 others); Mon, 19 Feb 2018 19:00:27 -0500 Received: from mga04.intel.com ([192.55.52.120]:19448 "EHLO mga04.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932248AbeBTAAZ (ORCPT ); Mon, 19 Feb 2018 19:00:25 -0500 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga005.jf.intel.com ([10.7.209.41]) by fmsmga104.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 19 Feb 2018 16:00:24 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.46,537,1511856000"; d="scan'208";a="202296316" Received: from orsmsx105.amr.corp.intel.com ([10.22.225.132]) by orsmga005.jf.intel.com with ESMTP; 19 Feb 2018 16:00:24 -0800 Received: from orsmsx163.amr.corp.intel.com (10.22.240.88) by ORSMSX105.amr.corp.intel.com (10.22.225.132) with Microsoft SMTP Server (TLS) id 14.3.319.2; Mon, 19 Feb 2018 16:00:24 -0800 Received: from orsmsx103.amr.corp.intel.com ([169.254.5.179]) by ORSMSX163.amr.corp.intel.com ([169.254.9.220]) with mapi id 14.03.0319.002; Mon, 19 Feb 2018 16:00:24 -0800 From: "Van De Ven, Arjan" To: "valdis.kletnieks@vt.edu" CC: Jon Masters , David Woodhouse , Paolo Bonzini , "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//3ujYA== Date: Tue, 20 Feb 2018 00:00:23 +0000 Message-ID: <0575AF4FD06DD142AD198903C74E1CC87A619255@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> In-Reply-To: <10373.1519084385@turing-police.cc.vt.edu> 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 DQo+IE9uIE1vbiwgMTkgRmViIDIwMTggMjM6NDI6MjQgKzAwMDAsICJWYW4gRGUgVmVuLCBBcmph biIgc2FpZDoNCj4gDQo+ID4gdGhlIGd1ZXN0IGlzIG5vdCB0aGUgcHJvYmxlbTsgZ3Vlc3RzIG9i dmlvdXNseSB3aWxsIGFscmVhZHkgaG9ub3IgaWYgRW5oYW5jZWQNCj4gPiBJQlJTIGlzIGVudW1l cmF0ZWQuIFRoZSBwcm9ibGVtIGlzIG1peGVkIG1pZ3JhdGlvbiBwb29scyB3aGVyZSB0aGUNCj4g aHlwZXJ2aXNvcg0KPiA+IG1heSBuZWVkIHRvIGRlY2lkZSB0byBub3QgcGFzcyB0aGlzIGVudW1l cmF0aW9uIHRocm91Z2ggdG8gdGhlIGd1ZXN0Lg0KPiANCj4gRm9yIGJvbnVzIHBvaW50czogIFdo YXQgc2hvdWxkIGhhcHBlbiB0byBhIFZNIHRoYXQgaXMgbGl2ZSBtaWdyYXRlZCBmcm9tIG9uZQ0K PiBoeXBlcnZpc29yIHRvIGFub3RoZXIsIGFuZCB0aGUgaHlwZXJ2aXNvcnMgaGF2ZSBkaWZmZXJl bnQgSUJSUyBzdXBwb3J0Pw0KDQpEb2N0b3IgRG9jdG9yIGl0IGh1cnRzIHdoZW4gSSBkbyB0aGlz Li4uLg0KDQpNaWdyYXRpb24gdGVuZHMgdG8gb25seSB3b3JrIGJldHdlZW4gSFYncyB0aGF0IGFy ZSByZWxhdGl2ZWx5IGhvbW9nZW5lb3VzLCB0aGF0J3Mgbm90aGluZyBuZXcuLi4gZm9sa3Mgd2hv IHJ1biBjbG91ZHMgb3IgYmlnZ2VyIHBvb2xzIGtub3cgdGhpcyBvYnZpb3VzbHkuDQoNCg0K