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[209.132.180.67]) by mx.google.com with ESMTP id j125si1417171pfg.348.2018.02.20.07.00.07; Tue, 20 Feb 2018 07:00:21 -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 S1752280AbeBTO7J (ORCPT + 99 others); Tue, 20 Feb 2018 09:59:09 -0500 Received: from mga03.intel.com ([134.134.136.65]:42368 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751360AbeBTO7H (ORCPT ); Tue, 20 Feb 2018 09:59:07 -0500 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga003.jf.intel.com ([10.7.209.27]) by orsmga103.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 20 Feb 2018 06:59:07 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.46,539,1511856000"; d="scan'208";a="29341154" Received: from orsmsx107.amr.corp.intel.com ([10.22.240.5]) by orsmga003.jf.intel.com with ESMTP; 20 Feb 2018 06:59:07 -0800 Received: from orsmsx153.amr.corp.intel.com (10.22.226.247) by ORSMSX107.amr.corp.intel.com (10.22.240.5) with Microsoft SMTP Server (TLS) id 14.3.319.2; Tue, 20 Feb 2018 06:59:06 -0800 Received: from orsmsx103.amr.corp.intel.com ([169.254.5.179]) by ORSMSX153.amr.corp.intel.com ([169.254.12.78]) with mapi id 14.03.0319.002; Tue, 20 Feb 2018 06:59:06 -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//+iJWAAEiKggAAQXItg Date: Tue, 20 Feb 2018 14:59:05 +0000 Message-ID: <0575AF4FD06DD142AD198903C74E1CC87A6194AB@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> <0575AF4FD06DD142AD198903C74E1CC87A619465@ORSMSX103.amr.corp.intel.com> <2159cdc0-c30d-3bf8-1c25-74bff46a1e91@redhat.com> In-Reply-To: <2159cdc0-c30d-3bf8-1c25-74bff46a1e91@redhat.com> 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: [10.22.254.139] 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+ID4gSSBtZWFudCBzb2Z0d2FyZSB3aXNlLiBZb3UncmUgbm90IGdvaW5nIHRvIGxpdmUgbWln cmF0ZSBmcm9tIHhlbiB0bw0KPiA+IGt2bSBvciBiYWNrd2FyZHMuIG9yIGJldHdlZW4gdmVyeSBy YWRpY2FsbHkgZGlmZmVyZW50IHZlcnNpb25zIG9mIHRoZQ0KPiA+IGt2bSBzdGFjay4NCj4gDQo+ IEZvcndhcmRzIG1pZ3JhdGlvbiB0byBhIHJhZGljYWxseSBuZXdlciB2ZXJzaW9uIGNlcnRhaW5s eSBoYXBwZW5zLiAgU28NCj4gd2hlbiB0aGUgc291cmNlIGh5cGVydmlzb3Igd2FzIHRvbyBvbGQg dG8gdGVsbCB0aGUgVk0gYWJvdXQgSUJSU19BTEwsDQo+IGZvciBleGFtcGxlLCBtaWdyYXRpb24g c2hvdWxkIHdvcmsgcHJvcGVybHkgYW5kIHRoZSBWTSBzaG91bGQgcGVyZm9ybQ0KPiB3ZWxsIG9u IHRoZSBkZXN0aW5hdGlvbiBoeXBlcnZpc29yLg0KDQp0aGF0IG1ha2VzIHNlbnNlLCBjb21wYXRp YmlsaXR5IGluIHRoaXMgZGlyZWN0aW9uIGNhbiBiZSBkb25lDQphbmQgaXMgdXNlZnVsIGFzIHlv dSBtb3ZlIGEgZmxlZXQgb2Ygc2VydmVycyBmb3J3YXJkDQoNCj4gDQo+IEJhY2t3YXJkcyBtaWdy YXRpb24gdG8gb2xkZXIgaHlwZXJ2aXNvcnMgYWxzbyBoYXBwZW5zIHNvbWV0aW1lcywgYnV0IGlu DQo+IGdlbmVyYWwgaXQgY3JlYXRlcyBtb3JlIHVzZXJzcGFjZSB0aGFuIGtlcm5lbCBpc3N1ZXMu DQo+IA0KDQp0aGF0IGRpcmVjdGlvbiBpcyBvYnZpb3VzbHkgaGFyZGVyDQo=