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Tsirkin" , Sean Christopherson , Richard Henderson Subject: [PATCH v6 5/6] kvm/i386: Use a per-VM check for SMM capability Date: Tue, 26 Jan 2021 11:36:48 -0600 Message-Id: X-Mailer: git-send-email 2.30.0 In-Reply-To: References: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit X-Originating-IP: [165.204.77.1] X-ClientProxiedBy: SA9PR13CA0014.namprd13.prod.outlook.com (2603:10b6:806:21::19) To DM5PR12MB1355.namprd12.prod.outlook.com (2603:10b6:3:6e::7) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from tlendack-t1.amd.com (165.204.77.1) by SA9PR13CA0014.namprd13.prod.outlook.com (2603:10b6:806:21::19) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3805.5 via Frontend Transport; Tue, 26 Jan 2021 17:39:05 +0000 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-HT: Tenant X-MS-Office365-Filtering-Correlation-Id: 825499ae-2a78-47f9-5e60-08d8c2214756 X-MS-TrafficTypeDiagnostic: DM6PR12MB4153: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:4502; X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: iZd3QygK4iXsLpxrUm9u0mOWbk2s38gHNtuSMIEzou/bLnnIri0KNEFm991ZJK0dH9aVmkbvLSZYIWCDU2/vZ6+aG2n0l+97lZdHHovq9JSgibbEqd8QCwZ2PUgq+im5p1UK5M16EYdQuZ4p5pa1l9mFCMJRBrLamAg71e1rHhuE4j9xdz9jEB4ZpXgNg94qkZHomJuMLrhfHUEifvohW2NBG/uldFWxeRLoA7ZyJ/8F/+9MLPf92LohV1Y7t7FFFCnFZ6kJlDBU0oCvH6XW8wAsjWNgld4ur/1mqZyG8CTedIwzhi/XmDQcvt41TF21dI1vZ5cSyBV4ClGIlq9jzwYTSFtsdZqsOitWDZm2N81p0pxKwP0NyCE6yjznZ2Jn X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:DM5PR12MB1355.namprd12.prod.outlook.com;PTR:;CAT:NONE;SFS:(4636009)(366004)(39860400002)(376002)(396003)(346002)(136003)(8676002)(7696005)(52116002)(478600001)(6666004)(7416002)(4326008)(2906002)(4744005)(66476007)(316002)(54906003)(5660300002)(26005)(2616005)(956004)(86362001)(83380400001)(36756003)(186003)(16526019)(6486002)(66946007)(8936002)(66556008);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData: =?us-ascii?Q?wZk2ilCrcRTKsOA4/XjJvTLN51eDfeS7XDIa+lsWC7Xszq3sei+Y+UthpOk+?= =?us-ascii?Q?jicOStTpF3BNwWUxlfWVY50SHzYNusaPAqaRLmgro4BkB4/tj8bW5T+DZBRS?= =?us-ascii?Q?DdojrnIHs5NC3b3h57zZ7om3vcTqzX20V2WeEr/TuKaGTCBJ4D/G/20+/e8M?= =?us-ascii?Q?/s64IsQupBUukye4GxLxpTS27qjwebtIb2xWb0KAxuwS9WtvNCTuBjKxsVQx?= =?us-ascii?Q?SO0XaAEfWxJBNEeYSYNsNqWFlRPjDn1ypHof5ANknn4eiFbBG6RUOpIR1eYA?= =?us-ascii?Q?YibYhf3NS7od9NyIHgUohOS1DpEmFg+bDxFPey5als72bOOdIQJRMCn2VmX3?= =?us-ascii?Q?Y7DiMCg7xVZUT+jzBGYf3QV4lTTlpH3xwXvaKwThpfO0RdqmZDLTw1LmbY5/?= =?us-ascii?Q?EAKpfikWisFcdmIxda/hu/o62aa/JCK4KXba3RlcdMdz7JpZFuF/yoDC0s8t?= =?us-ascii?Q?CVDKZ3YthfowUjrRBP6nCPqUKMzQ4aDixc0rxtae8Rym4jpOF6ri4Q1e/BGU?= =?us-ascii?Q?Vv0hra8/D12xDfR6RMnF3aMohFVp1J86ZWGjo+WE0+GKvoPDrXJef9jC5iVH?= =?us-ascii?Q?iCMpTWrIWw9vjzmYO/FQFGru370b8BaxO9LXDgFY76kQlw+ryEMPFK1sSw86?= =?us-ascii?Q?X3Ljzsf63NhIZWxMnsvAnYTesOEUpPckkOroc9Ke/aP6b0OTxw8rL3D4pZBr?= =?us-ascii?Q?JBfFciMtDeLaG6gO7jtrq7jedjEEfyQdCF/yIAVe1aDF5KlAcaAhTkef7GB6?= =?us-ascii?Q?y4+qb/SYbkFQFhr5T6nr/nIuZtww8FaVdaZcD9avaskq5wf/lBLi86PUD9xn?= =?us-ascii?Q?qkSmeCagvtPlOzm0NZCDF7Xv7gFAJu5q7SF4WrcOMPd+fF8qxvrquHGG/H9G?= =?us-ascii?Q?1sWBXSDVGGml1da0c2yBq5AxyJNl25/u1PEai9oEY1NLmkUVNx8emZRgPl9G?= =?us-ascii?Q?K3wQ2t+P7sm0oh29GmF9ZSwoIRG4dcaYec6MEiS4xY4jf1wRZA7q+5CFYjmq?= =?us-ascii?Q?08qn0TnwsYzAfS3+Xq6YnuU546OhbJd3+IodDYs5v2tNvVJ+e10xvscj9mED?= =?us-ascii?Q?B0wTecqf?= X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-Network-Message-Id: 825499ae-2a78-47f9-5e60-08d8c2214756 X-MS-Exchange-CrossTenant-AuthSource: DM5PR12MB1355.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 26 Jan 2021 17:39:06.1356 (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: 2iMu9RsTyVbaZRAgCitJ5kHELpxkfXO/xGdwuZPVqLm+mEBq4b0ahkVeUeRzT8fQ6v+XlI8VLoSD0z2aj6CpaA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM6PR12MB4153 Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org From: Tom Lendacky SMM is not currently supported for an SEV-ES guest by KVM. Change the SMM capability check from a KVM-wide check to a per-VM check in order to have a finer-grained SMM capability check. Cc: Paolo Bonzini Cc: Richard Henderson Cc: Eduardo Habkost Suggested-by: Sean Christopherson Signed-off-by: Tom Lendacky --- target/i386/kvm/kvm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/target/i386/kvm/kvm.c b/target/i386/kvm/kvm.c index bb6bfc19de..37fca43cd9 100644 --- a/target/i386/kvm/kvm.c +++ b/target/i386/kvm/kvm.c @@ -135,7 +135,7 @@ int kvm_has_pit_state2(void) bool kvm_has_smm(void) { - return kvm_check_extension(kvm_state, KVM_CAP_X86_SMM); + return kvm_vm_check_extension(kvm_state, KVM_CAP_X86_SMM); } bool kvm_has_adjust_clock_stable(void) -- 2.30.0 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=-18.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,MSGID_FROM_MTA_HEADER,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 1B64DC433E0 for ; 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Tue, 26 Jan 2021 17:39:06 +0000 From: Tom Lendacky To: qemu-devel@nongnu.org, kvm@vger.kernel.org Subject: [PATCH v6 5/6] kvm/i386: Use a per-VM check for SMM capability Date: Tue, 26 Jan 2021 11:36:48 -0600 Message-Id: X-Mailer: git-send-email 2.30.0 In-Reply-To: References: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit X-Originating-IP: [165.204.77.1] X-ClientProxiedBy: SA9PR13CA0014.namprd13.prod.outlook.com (2603:10b6:806:21::19) To DM5PR12MB1355.namprd12.prod.outlook.com (2603:10b6:3:6e::7) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from tlendack-t1.amd.com (165.204.77.1) by SA9PR13CA0014.namprd13.prod.outlook.com (2603:10b6:806:21::19) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3805.5 via Frontend Transport; Tue, 26 Jan 2021 17:39:05 +0000 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-HT: Tenant X-MS-Office365-Filtering-Correlation-Id: 825499ae-2a78-47f9-5e60-08d8c2214756 X-MS-TrafficTypeDiagnostic: DM6PR12MB4153: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:4502; 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envelope-from=Thomas.Lendacky@amd.com; helo=NAM11-CO1-obe.outbound.protection.outlook.com X-Spam_score_int: 12 X-Spam_score: 1.2 X-Spam_bar: + X-Spam_report: (1.2 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, MSGID_FROM_MTA_HEADER=0.001, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, RCVD_IN_SBL_CSS=3.335, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Brijesh Singh , Eduardo Habkost , "Michael S. Tsirkin" , Connor Kuehl , Sean Christopherson , Marcelo Tosatti , Richard Henderson , "Dr. David Alan Gilbert" , Paolo Bonzini , Jiri Slaby , Richard Henderson Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Tom Lendacky SMM is not currently supported for an SEV-ES guest by KVM. Change the SMM capability check from a KVM-wide check to a per-VM check in order to have a finer-grained SMM capability check. Cc: Paolo Bonzini Cc: Richard Henderson Cc: Eduardo Habkost Suggested-by: Sean Christopherson Signed-off-by: Tom Lendacky --- target/i386/kvm/kvm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/target/i386/kvm/kvm.c b/target/i386/kvm/kvm.c index bb6bfc19de..37fca43cd9 100644 --- a/target/i386/kvm/kvm.c +++ b/target/i386/kvm/kvm.c @@ -135,7 +135,7 @@ int kvm_has_pit_state2(void) bool kvm_has_smm(void) { - return kvm_check_extension(kvm_state, KVM_CAP_X86_SMM); + return kvm_vm_check_extension(kvm_state, KVM_CAP_X86_SMM); } bool kvm_has_adjust_clock_stable(void) -- 2.30.0