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 X-Spam-Level: X-Spam-Status: No, score=-7.3 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, MSGID_FROM_MTA_HEADER,NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 23C68C433DB for ; Tue, 19 Jan 2021 23:46:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E0CEB23108 for ; Tue, 19 Jan 2021 23:46:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729890AbhASXqw (ORCPT ); Tue, 19 Jan 2021 18:46:52 -0500 Received: from mail-eopbgr770049.outbound.protection.outlook.com ([40.107.77.49]:45638 "EHLO NAM02-SN1-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1731022AbhASXqa (ORCPT ); Tue, 19 Jan 2021 18:46:30 -0500 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=kR0Qw0v9ln3rhc7kp0aEq/q8sa2N09lJ8padbLtbIEvWZ3+2mUb73Zt+YtDVOlQdpdBMYBo9289ijs1MQVkcLqVguLY3Br+sn1qNgKhZKhrkV37MbYfKdzG4hSpigo2t6nIZkOWJgxKYLV317S5Wsl3YS0of+3l5Q5fsHOnUXcvjR/9DknHFolSeWh/TMVaJzvt0NaB2fXdhA2R9dDHtE6R5P9i8xB8z4q5eKR2YwZE4rUEySJI1WcEjOPYXFAEgDH9qqvDEb9hcJLJQP5/qLa/m9EnhSiHZD8NqWNKnsGcGsqI+4k3ot5Rqefrwa349MTlxJjJm53N8brnfith8/A== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=94pgvnFH6snZe4YYEFLBPbPjfRA5MYj/GeXe5lqYWBY=; b=IieJSL7l45tSqgljEcUrZx/4GST2Vnr9KpW64A3UoHjmlLaFeSZn8nnt7azj+uRFWZoA6CtKCI697ckYb2OfdOSdHQcJAvArQxxwHSigXwp9tSg+d1M1h1eGBJaOSSOpc2ydT3a3asshZm5h4GcGhNApUW5I4guXd9SUwhNzu7Cd6mv6ptT+ER1ePcyvwg4XuwnhbOjRD7tuUwca2yT6XFHx5W6sTQWXOJaDiM9jV7RwNt3dB5rRO+nnqbVDUHlTi1ya3P/a0v6Zf/kFABKB4+Qx56nit4LwXGVD3ePa/5DX81B42v5lfp6YYXTR6JwFXF/BxpKhE1V6JWYnNRxFkA== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=amd.com; dmarc=pass action=none header.from=amd.com; dkim=pass header.d=amd.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amd.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=94pgvnFH6snZe4YYEFLBPbPjfRA5MYj/GeXe5lqYWBY=; b=lib6cifSmLZG/HTiqjC5bhikU/sn2VIu32a6872Z0XXmwI9hZx+ulIH78wJKZUQPke4VI88Ofe8Mnq/h12SwbpptUVtYP54+z0MnfYKIJTiYh1q2Urn86diYH0vrVOSDbkBdQ+xBgRQ09lCXabtNLkr3TZur2mfDmXL5k/3JQ28= Authentication-Results: google.com; dkim=none (message not signed) header.d=none;google.com; dmarc=none action=none header.from=amd.com; Received: from SN1PR12MB2560.namprd12.prod.outlook.com (2603:10b6:802:26::19) by SA0PR12MB4528.namprd12.prod.outlook.com (2603:10b6:806:9e::17) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3784.11; Tue, 19 Jan 2021 23:45:42 +0000 Received: from SN1PR12MB2560.namprd12.prod.outlook.com ([fe80::8c0e:9a64:673b:4fff]) by SN1PR12MB2560.namprd12.prod.outlook.com ([fe80::8c0e:9a64:673b:4fff%5]) with mapi id 15.20.3763.014; Tue, 19 Jan 2021 23:45:42 +0000 Subject: Re: [PATCH v6 00/12] SVM cleanup and INVPCID feature support To: Jim Mattson Cc: Paolo Bonzini , Vitaly Kuznetsov , Sean Christopherson , Wanpeng Li , kvm list , Joerg Roedel , the arch/x86 maintainers , LKML , Ingo Molnar , Borislav Petkov , "H . Peter Anvin" , Thomas Gleixner , Makarand Sonare References: <159985237526.11252.1516487214307300610.stgit@bmoger-ubuntu> <83a96ca9-0810-6c07-2e45-5aa2da9b1ab0@redhat.com> <5df9b517-448f-d631-2222-6e78d6395ed9@amd.com> From: Babu Moger Message-ID: Date: Tue, 19 Jan 2021 17:45:38 -0600 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-Originating-IP: [165.204.77.1] X-ClientProxiedBy: CH2PR11CA0026.namprd11.prod.outlook.com (2603:10b6:610:54::36) To SN1PR12MB2560.namprd12.prod.outlook.com (2603:10b6:802:26::19) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from [10.236.31.136] (165.204.77.1) by CH2PR11CA0026.namprd11.prod.outlook.com (2603:10b6:610:54::36) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3763.9 via Frontend Transport; Tue, 19 Jan 2021 23:45:40 +0000 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-HT: Tenant X-MS-Office365-Filtering-Correlation-Id: b9038c2a-c049-4dd0-22fe-08d8bcd4550d X-MS-TrafficTypeDiagnostic: SA0PR12MB4528: X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:5516; X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:SN1PR12MB2560.namprd12.prod.outlook.com;PTR:;CAT:NONE;SFS:(4636009)(366004)(39850400004)(376002)(136003)(346002)(396003)(26005)(66946007)(66556008)(956004)(2616005)(83380400001)(16526019)(66476007)(53546011)(36756003)(186003)(8936002)(86362001)(16576012)(44832011)(7416002)(54906003)(316002)(4744005)(2906002)(6916009)(52116002)(6486002)(31696002)(966005)(4326008)(8676002)(31686004)(5660300002)(478600001)(45980500001)(43740500002);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData: =?utf-8?B?NzM2QzFaWXB3UDdlK2Zzc1B3VDRMdExOZGdhbVpvaGZ3R2pneWxjYVVodTRp?= =?utf-8?B?YitWSmR6dUlWdDJuZ1ZVdnk5S1VDNE9MSUNsMGhKRXpwSDZOUHNGWHBjeW9J?= =?utf-8?B?REFtcXpFT2xoUk1wQzVLdVZKVGhYalBXZXVnZUQ3S3lJVyswVUNUNzhFTHQv?= =?utf-8?B?cXRsZjh2ZWN2OEZoc0pzd1F2Uko2YTZTK1JMdDdDR1NuaDJJRFF0SnFGdHZq?= =?utf-8?B?VXpRK0I1bS9KQWVkczZTR2toUVV4NjVqYjJZMSt4ZnRmU09oei8vcVo4MUdh?= =?utf-8?B?blJoek5lQThCd0xuWlN2U0YwK2VPVGFSdThXdGdTem9QRHRTUFJCQVZnTVZE?= =?utf-8?B?NlhmWVNKYzgweTVBMEIrS0ZPN3IwVHpOMlVBbzJMSUNRTXlRbW1GQ3Q4V2Rt?= =?utf-8?B?eFpLdkRFclJ1VDB4N2JWZm96ZDN2dlZKcUw1cFVTZkxYcTJrdzh5QUFyaDUy?= =?utf-8?B?YTh5MUhXL29rQ1RvcThhUVFjRWFCYjQvOEZjanBVWWFlbzdsZjFCbHN4RXJ5?= =?utf-8?B?eXBBWWJ0Y2hsR0pVYnNTVWl0MHRjZXNBZjIvZ1ZvWk53T212aUdKOWdXZzR5?= =?utf-8?B?NXFkVExvNzd4NlN6c0FLbWxUN0t1UDB2OTNMNE43V010ZzdCUUIvbFdEOUZj?= =?utf-8?B?eWVHNFpReGJyRER6ZDc0aXRZYmZXdXNxWW9EMnpVU3FxdWxrWjFVYzV6VEFX?= =?utf-8?B?TDhZNmxkSTRmVFlyTU9BWVh2RDJQWkpHek1uRDFtMzJjcSszZzc1R08rQlBq?= =?utf-8?B?TXptQm96V2dZYk1XWVdITXU4L3F5YTNSUTZTOThIYS94YSsyTVhYeWJhdkZW?= =?utf-8?B?RkJwVUZRRVg2ZDJXbGQwcjAxeEFpdDgxdnJDOFVicFBFTFBuWjZlekkrT3c0?= =?utf-8?B?Q1dQZWZIVnNaVDYrS05PT1c5cU9ZeDVoYmd2UUdnRXZSeG1vaER1VXZMVU9w?= =?utf-8?B?cEVuampZMW1yYWVTUlhsVUN4QnA4NTlKTW04S3BEUkFRR0NWRkNFanJLbjFp?= =?utf-8?B?Zno3bHlpZmp3U0w1elJ6T2NuVFFYNDRISU5FcnRra0ZZTDd5TlAzQ2t3VkVF?= =?utf-8?B?cmdDVGJrTC9adm8xUnRsaTdGbjFBZ3FHNUx1ZmVzUkpQTVFUSUJDLzRqTExu?= =?utf-8?B?SnRBNEsyVzE3SWR1MjR4dWQzSzdJUnBTTGFNZkZPVEpiU2NoSFVjakhuNkFv?= =?utf-8?B?dThZKzlBdmhnY1o3VU1sSnRubkR4cjkyRllEdE5SbmZ5REdGR2R3ekhrZlh6?= =?utf-8?B?Tm93Nis4R2N1c2VrMHFka0plZXFTR3JGeDBCN29MSWZjWWVsZkRLNDJ6R0Ny?= =?utf-8?Q?RVBMNWuofIaWqrQLx7StJzo4Iro99Iv99W?= X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-Network-Message-Id: b9038c2a-c049-4dd0-22fe-08d8bcd4550d X-MS-Exchange-CrossTenant-AuthSource: SN1PR12MB2560.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 19 Jan 2021 23:45:42.0906 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: lX9Y+LsdBDGSD94Dj4Z7L50Q5qrJHyYW+2/5pHRNR6HA5nNMZOwfrVq+X22RP0+4 X-MS-Exchange-Transport-CrossTenantHeadersStamped: SA0PR12MB4528 Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org On 1/19/21 5:01 PM, Jim Mattson wrote: > On Mon, Sep 14, 2020 at 11:33 AM Babu Moger wrote: > >> Thanks Paolo. Tested Guest/nested guest/kvm units tests. Everything works >> as expected. > > Debian 9 does not like this patch set. As a kvm guest, it panics on a > Milan CPU unless booted with 'nopcid'. Gmail mangles long lines, so > please see the attached kernel log snippet. Debian 10 is fine, so I > assume this is a guest bug. > We had an issue with PCID feature earlier. This was showing only with SEV guests. It is resolved recently. Do you think it is not related that? Here are the patch set. https://lore.kernel.org/kvm/160521930597.32054.4906933314022910996.stgit@bmoger-ubuntu/