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[2620:137:e000::1:20]) by mx.google.com with ESMTP id ox16-20020a170907101000b0098889bf7f86si2247343ejb.315.2023.07.21.07.28.35; Fri, 21 Jul 2023 07:28:58 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=aculab.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231582AbjGUOH0 convert rfc822-to-8bit (ORCPT + 99 others); Fri, 21 Jul 2023 10:07:26 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:32804 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231539AbjGUOHX (ORCPT ); Fri, 21 Jul 2023 10:07:23 -0400 Received: from eu-smtp-delivery-151.mimecast.com (eu-smtp-delivery-151.mimecast.com [185.58.85.151]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 45EE32D46 for ; Fri, 21 Jul 2023 07:07:21 -0700 (PDT) Received: from AcuMS.aculab.com (156.67.243.121 [156.67.243.121]) by relay.mimecast.com with ESMTP with both STARTTLS and AUTH (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id uk-mta-40-CznJ0uSZOPChlYzhGu5ogQ-1; Fri, 21 Jul 2023 15:07:19 +0100 X-MC-Unique: CznJ0uSZOPChlYzhGu5ogQ-1 Received: from AcuMS.Aculab.com (10.202.163.4) by AcuMS.aculab.com (10.202.163.4) with Microsoft SMTP Server (TLS) id 15.0.1497.48; Fri, 21 Jul 2023 15:07:17 +0100 Received: from AcuMS.Aculab.com ([::1]) by AcuMS.aculab.com ([::1]) with mapi id 15.00.1497.048; Fri, 21 Jul 2023 15:07:17 +0100 From: David Laight To: "'Michael Kelley (LINUX)'" , Peter Zijlstra CC: KY Srinivasan , Haiyang Zhang , "wei.liu@kernel.org" , Dexuan Cui , "tglx@linutronix.de" , "mingo@redhat.com" , "bp@alien8.de" , "dave.hansen@linux.intel.com" , "hpa@zytor.com" , "x86@kernel.org" , "linux-kernel@vger.kernel.org" , "linux-hyperv@vger.kernel.org" , "stable@vger.kernel.org" Subject: RE: [PATCH 1/1] x86/hyperv: Disable IBT when hypercall page lacks ENDBR instruction Thread-Topic: [PATCH 1/1] x86/hyperv: Disable IBT when hypercall page lacks ENDBR instruction Thread-Index: AQHZu0mXUyEtW9eyqkWnVGF605KOSq/DKCeAgAAzncCAAOUgwIAAAcAw Date: Fri, 21 Jul 2023 14:07:17 +0000 Message-ID: <533c3cae084f4c2aaf7227e113029d9f@AcuMS.aculab.com> References: <1689885237-32662-1-git-send-email-mikelley@microsoft.com> <20230720211553.GA3615208@hirez.programming.kicks-ass.net> In-Reply-To: Accept-Language: en-GB, en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: msip_labels: MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_ActionId=b52301eb-604c-44e1-bf56-29beb984d9b4;MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_ContentBits=0;MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_Enabled=true;MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_Method=Standard;MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_Name=Internal;MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_SetDate=2023-07-21T00:20:36Z;MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_SiteId=72f988bf-86f1-41af-91ab-2d7cd011db47 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: 8BIT X-Spam-Status: No, score=-0.9 required=5.0 tests=BAYES_00,PDS_BAD_THREAD_QP_64, RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H5,RCVD_IN_MSPIKE_WL,SPF_HELO_NONE, SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org ... > I realized in the middle of the night that my reply was nonsense. :-( > pr_warn() makes the message visible when pr_info() might not. I'm > happy to change to pr_warn(). PANIC_ON_WARN?? David - Registered Address Lakeside, Bramley Road, Mount Farm, Milton Keynes, MK1 1PT, UK Registration No: 1397386 (Wales)