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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id BFD40C433FE for ; Sat, 5 Nov 2022 11:39:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229725AbiKELjU (ORCPT ); Sat, 5 Nov 2022 07:39:20 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58290 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229720AbiKELjT (ORCPT ); Sat, 5 Nov 2022 07:39:19 -0400 Received: from eu-smtp-delivery-151.mimecast.com (eu-smtp-delivery-151.mimecast.com [185.58.86.151]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 60B4B286FE for ; Sat, 5 Nov 2022 04:39:18 -0700 (PDT) Received: from AcuMS.aculab.com (156.67.243.121 [156.67.243.121]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id uk-mta-173-F1fWfsGqNdGbFLk2HJ1oPw-1; Sat, 05 Nov 2022 11:39:14 +0000 X-MC-Unique: F1fWfsGqNdGbFLk2HJ1oPw-1 Received: from AcuMS.Aculab.com (10.202.163.4) by AcuMS.aculab.com (10.202.163.4) with Microsoft SMTP Server (TLS) id 15.0.1497.42; Sat, 5 Nov 2022 11:39:13 +0000 Received: from AcuMS.Aculab.com ([::1]) by AcuMS.aculab.com ([::1]) with mapi id 15.00.1497.042; Sat, 5 Nov 2022 11:39:13 +0000 From: David Laight To: 'Borislav Petkov' , Kim Phillips CC: "x86@kernel.org" , Boris Ostrovsky , Dave Hansen , "H. Peter Anvin" , Ingo Molnar , Joao Martins , Jonathan Corbet , "Konrad Rzeszutek Wilk" , Paolo Bonzini , Sean Christopherson , Thomas Gleixner , David Woodhouse , Greg Kroah-Hartman , Juergen Gross , Peter Zijlstra , Tony Luck , Babu Moger , Tom Lendacky , "kvm@vger.kernel.org" , "linux-doc@vger.kernel.org" , "linux-kernel@vger.kernel.org" Subject: RE: [PATCH 2/3] x86/speculation: Support Automatic IBRS Thread-Topic: [PATCH 2/3] x86/speculation: Support Automatic IBRS Thread-Index: AQHY8JfPISSI8KokdESl6NTz/MxgvK4wNJ8w Date: Sat, 5 Nov 2022 11:39:13 +0000 Message-ID: <49e01e4d819a4e3aa1ef13da6bc654e4@AcuMS.aculab.com> References: <20221104213651.141057-1-kim.phillips@amd.com> <20221104213651.141057-3-kim.phillips@amd.com> In-Reply-To: Accept-Language: en-GB, 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-Language: en-US Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: base64 Precedence: bulk List-ID: X-Mailing-List: linux-doc@vger.kernel.org RnJvbTogQm9yaXNsYXYgUGV0a292DQo+IFNlbnQ6IDA0IE5vdmVtYmVyIDIwMjIgMjE6NTINCj4g DQo+IE9uIEZyaSwgTm92IDA0LCAyMDIyIGF0IDA0OjM2OjUwUE0gLTA1MDAsIEtpbSBQaGlsbGlw cyB3cm90ZToNCj4gPiAgLSBBbGxvdyBmb3Igc3BlY3RyZV92Mj1hdXRvaWJycyBpbiB0aGUga2Vy bmVsIGNvbW1hbmQgbGluZSwNCj4gPiAgICByZXZlcnRpbmcgdG8gYXV0by1zZWxlY3Rpb24gaWYg dGhlIGZlYXR1cmUgaXNuJ3QgYXZhaWxhYmxlLg0KPiANCj4gV2h5Pw0KPiANCj4gV2hhdCB0aGUg d2hvbGUgbG9naWMgaGVyZSBzaG91bGQgZG8gaXMgZW5hYmxlIGF1dG9pYnJzIHdoZW4gZGV0ZWN0 ZWQNCj4gYXV0b21hdGljYWxseSwgd2l0aG91dCB0aGUgbmVlZCBmb3IgdGhlIHVzZXIgdG8gZXZl biBzZWxlY3QgaXQgYXMgaXQgaXMNCj4gdGhlIHN1cGVyaW9yIG1pdGlnYXRpb24uDQoNClRoZSBv bmx5IHVzZWZ1bCBvcHRpb24gaXMgdG8gYWxsb3cgYSBkaWZmZXJlbnQgb3B0aW9uIGJlDQpzZWxl Y3RlZCBmb3IgY29kZSB0ZXN0aW5nLg0KU28gbWF5YmUgeW91IHdhbnQgYW4gb3B0aW9uIGZvciBj b21wbGV0ZW5lc3MgLSBmb3Igd2hlbg0KYW4gJ2V2ZW4gYmV0dGVyJyBvcHRpb24gaXMgYXZhaWxh YmxlLg0KDQoJRGF2aWQNCg0KLQ0KUmVnaXN0ZXJlZCBBZGRyZXNzIExha2VzaWRlLCBCcmFtbGV5 IFJvYWQsIE1vdW50IEZhcm0sIE1pbHRvbiBLZXluZXMsIE1LMSAxUFQsIFVLDQpSZWdpc3RyYXRp b24gTm86IDEzOTczODYgKFdhbGVzKQ0K