From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from NAM11-CO1-obe.outbound.protection.outlook.com (mail-co1nam11on2085.outbound.protection.outlook.com [40.107.220.85]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2A2EA2EA724; Fri, 27 Jun 2025 16:26:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=40.107.220.85 ARC-Seal:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751041608; cv=fail; b=qLOp7n/YVvVD1t83Ae39YMZIJe6FWDqpPYw5fqBvT0FGyZG3GP4u0WchJGLlJFAuEPJyx1fb9FKsSFNFZ0e3tD28aL69aEA02n8fRaJ1MaYIbJ3Z8Yts9IP0LBltiLjpF7ZrLbEUrHD0+jXEU1v7LRJA68OVJij3kHb6KLioWAk= ARC-Message-Signature:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751041608; c=relaxed/simple; bh=RRx/HsR5yRLofzEP7HFM8cwcJIXOLJNj80scS8Uw5NM=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=Nlo6WXjAlk7EgsrDMZyOpg7MvpTKODFvZ08bMy86K7uacQOrEZIxPtNjBzgSMzhOEk9GDZgRCbQnzWxaJCFZTZUgZe6UqFWHWNrqndCFfdND7wxT5Wr+QG9nYx5Kz1+QQJyW9syWCOVjjfObQ9+Be6sREX9hy4s97qnYdN3pxKc= ARC-Authentication-Results:i=2; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=amd.com; spf=fail smtp.mailfrom=amd.com; dkim=pass (1024-bit key) header.d=amd.com header.i=@amd.com header.b=qiiTm6zf; arc=fail smtp.client-ip=40.107.220.85 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=amd.com Authentication-Results: smtp.subspace.kernel.org; spf=fail smtp.mailfrom=amd.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=amd.com header.i=@amd.com header.b="qiiTm6zf" ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=xWfRTzqTEuboatnsgb3A6Ynt/W8rfCg3/ByWRJL+dHkBl9haWeYM4Wj1TUV2Xz54v2GrKAicBl4294CQpphTtsZY6LhJcjM7e880tRRJEALBboCYQT7GdsoGH+tzaWZUzbhizXYxKALPg0PMinHGD+tMIqrNE64+4SXop81UBkWa4jdp/EwD2JzKX4CQbZHou0yCLTVCuXZ2N9D1QhxgLO2RwdwzZHavVivdToPZA7dJPhqzHGJUl9ToOcK4HpHDhZS6A+F/LZfAbYL6zKqaGkjy6JwizNMsATSnj9MragRLG6kTIEByzZqJ7QRDdwB5Tm1BKSuaCzNVJ6BPKftGXg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector10001; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=0ClwfL5sByww+cDyH4kUlmgw5d2s2LDFjLQbCz4zco8=; b=wvGy733XrKAYg9gWPfrbDmTWQaIIe+T5ePvhDKAnwdxstCqtwBSG+pXAXUu4ZNHrLqzbLjZvVCs6AIKtD1YBqS7GLQTC1VANzKiU07vqswh48NWUHNUtq6Vq53wULVx8ezhogFOusMX+dQcP1cRA/VDcihT11yS7n5BevxlGmxLBBfQH2jctZPkdcTB7w52nCd+OW8ZgFDgXKrKftmDrLKzrneEkATWIW7NRgGOy4FuAoPXdbzKdj1U5Dc+MHM2BQia/YtIlzKHdVDChHbIJUS4TC3ayIPYMOh1dVOV0GWxZyfOFyoWUOZFY2A6+gBxOIYS02Oa3+y99vtD5RnGw1w== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 165.204.84.17) smtp.rcpttodomain=vger.kernel.org smtp.mailfrom=amd.com; dmarc=pass (p=quarantine sp=quarantine pct=100) action=none header.from=amd.com; dkim=none (message not signed); arc=none (0) 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=0ClwfL5sByww+cDyH4kUlmgw5d2s2LDFjLQbCz4zco8=; b=qiiTm6zfgfcwLjrt2FXHDqj8bIOlQ6PgXVLo5RqYQQ3ipVE4prkEElt/l7Vf8qi1Uc9rFJ5IWSiRPrRgBxx+vKBW3wgj7OcRJYTzGDw9GzzWaqQDeCVS+vq7Jzl/4IUH8QYc4safmkXbfv8wrPaKqzKfj5QhB+8MtNpGVMMUW+w= Received: from SN6PR05CA0034.namprd05.prod.outlook.com (2603:10b6:805:de::47) by DM4PR12MB6280.namprd12.prod.outlook.com (2603:10b6:8:a2::11) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.8835.35; Fri, 27 Jun 2025 16:26:44 +0000 Received: from SN1PEPF000397B3.namprd05.prod.outlook.com (2603:10b6:805:de:cafe::20) by SN6PR05CA0034.outlook.office365.com (2603:10b6:805:de::47) with Microsoft SMTP Server (version=TLS1_3, cipher=TLS_AES_256_GCM_SHA384) id 15.20.8901.10 via Frontend Transport; Fri, 27 Jun 2025 16:26:44 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 165.204.84.17) smtp.mailfrom=amd.com; dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=amd.com; Received-SPF: Pass (protection.outlook.com: domain of amd.com designates 165.204.84.17 as permitted sender) receiver=protection.outlook.com; client-ip=165.204.84.17; helo=SATLEXMB04.amd.com; pr=C Received: from SATLEXMB04.amd.com (165.204.84.17) by SN1PEPF000397B3.mail.protection.outlook.com (10.167.248.57) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.8880.14 via Frontend Transport; Fri, 27 Jun 2025 16:26:44 +0000 Received: from brahmaputra.amd.com (10.180.168.240) by SATLEXMB04.amd.com (10.181.40.145) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.39; Fri, 27 Jun 2025 11:26:39 -0500 From: Manali Shukla To: , , CC: , , , , , , , , , , Subject: [PATCH v1 07/11] KVM: x86: Extend CPUID range to include new leaf Date: Fri, 27 Jun 2025 16:25:35 +0000 Message-ID: <20250627162550.14197-8-manali.shukla@amd.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250627162550.14197-1-manali.shukla@amd.com> References: <20250627162550.14197-1-manali.shukla@amd.com> Precedence: bulk X-Mailing-List: linux-perf-users@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ClientProxiedBy: SATLEXMB04.amd.com (10.181.40.145) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SN1PEPF000397B3:EE_|DM4PR12MB6280:EE_ X-MS-Office365-Filtering-Correlation-Id: afdb2ffe-331e-4441-8380-08ddb59767c8 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|36860700013|82310400026|376014; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?p/rEwbnjJ3gsvUxxBjtCtMAje/fRWHPSDjYLrdbEiwfyT6YeYd2CwOFp78Ez?= =?us-ascii?Q?FX0NAOvYXIcTOJK43erc6d4eqKFmKnBtmqLDMN7AkFJ911zsmXegkF10NdxK?= =?us-ascii?Q?QhL+tPOow2SNFsY0kBNlsOW2O0rzk84duZf5WMr66UTNjR4aFa6+t7e3W4tF?= =?us-ascii?Q?YcxKS5gn8UTGaOVZDcvmZvpXKMlQZx+afXY8/jaRbByFFCapnUdJ8+IKsF02?= =?us-ascii?Q?9KtryYXNY2VYYg4KFY7Qo40omRwXdykuhWtTBIpNqE0Xnia49/0nUsi5n0s5?= =?us-ascii?Q?Fvfg0cZV7gsvIZ1fOBYpb3T5kQg/AsVL4H3rqKeUlqZRMGOIzNAWYnAuome6?= =?us-ascii?Q?IyNYpjwmQ6n5o5RPgk99R+Bot3xCfMkbK9Ju5X1NtjkltCpW+lbjLunaVXjx?= =?us-ascii?Q?WTYPo7mJv5TUpQNN0T0BDI3+xwGDK4AQHITJdMbM+InIO4KIXVPyZNciQEDw?= =?us-ascii?Q?rEjmgbWA2RN+1CpYv1sfPB3IhG06T4l+FLlBxKb899luMDVgLHyAbXrGCT/G?= =?us-ascii?Q?lMZEoSdk+jMBPmfeFiZIzc48gVfreymTK06NlAunOBB3kDgwVgyD3f4QF+6V?= =?us-ascii?Q?hDn/VmG+vJsbuPU/zFOnAKQPqHsdoAF33MFYTpfELDGBsj7di6gXyM5VTuqi?= =?us-ascii?Q?E9T6VwfdGholt3uq/Njni4tswLj54m42YC1UsiAWV/dBDiWbsBiscU2TY/2w?= =?us-ascii?Q?ypJ3wO0L+FaAESaPK0uWH8WwNnVtmS75lTciWNriZGlAscDAwkSpVrhdetqM?= =?us-ascii?Q?ywgww3J4Z7UmLVeIrGTAAAM7jLyUkGUpCckIBw7NaSynzpVz4VrF2U2kLWyY?= =?us-ascii?Q?rj8vM8KLi3r8NHjsFwL7NKkYxBgJshElkXRNAxC+IKOcJHD/A8+jc+PQ0xMg?= =?us-ascii?Q?uZqh8ffhX8bwqZlxvma7V+QjsinhAELPEpOjV5eIqOL5P65wh20EyOIOZ329?= =?us-ascii?Q?USmw298KMvDDtlYncIYQuF4yys8NCbAMlPnoszUyrluzHeyzeX3k3L9Lhv3P?= =?us-ascii?Q?F93ELge3F4MBaKSC146CQ4a71+wl/65Er5eLvgqMB4faOqd532E4GhOEC031?= =?us-ascii?Q?29GMMwMeBi6xdJlAIzHOrObWxAxajkC0y9xobZVUSb9RVkqiHFghd5MiBYC5?= =?us-ascii?Q?0he/+8y+SllV/TydfsrBvrKGnQrMmXyQGFM999OR7+SZzwX3vD7XpWLl4OAj?= =?us-ascii?Q?SHmGF/QazP0b5vVyxKSUBfezzpWn8CEcn7hPkdCA/+9DUQ2cGbHGIDQSY+Yi?= =?us-ascii?Q?38rOJslPYpcqAujanb8KQcB6sx3ZlkfuIOtg5e3VF0IortmDNgMAuErp8Lxf?= =?us-ascii?Q?cbB60h3t7so4uMTX8zYbgh1fCuuDuVgt8kmb9BsJCkfE9ynfx8risfiQSbKS?= =?us-ascii?Q?tzo5o5evDE6crpyadBGSdXLOKeJO2cqNUyjxyM5oyPGqyB0pWlC/lnkxGjEB?= =?us-ascii?Q?xQnwMDJ5w2sLEFBhA9iZQlPTm+H4Vpbwat8qID7Y2I5UguqW24Hhpa9Lpkst?= =?us-ascii?Q?VNjYENRnIF6XYqLk4Ld8igRyjF6LfR8DoES9?= X-Forefront-Antispam-Report: CIP:165.204.84.17;CTRY:US;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:SATLEXMB04.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230040)(1800799024)(36860700013)(82310400026)(376014);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 27 Jun 2025 16:26:44.1700 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: afdb2ffe-331e-4441-8380-08ddb59767c8 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: SN1PEPF000397B3.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM4PR12MB6280 CPUID leaf 0x8000001b (EAX) provides information about Instruction-Based sampling capabilities on AMD Platforms. Signed-off-by: Manali Shukla --- arch/x86/kvm/cpuid.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c index 7270d22fbf31..d77184485e26 100644 --- a/arch/x86/kvm/cpuid.c +++ b/arch/x86/kvm/cpuid.c @@ -1751,6 +1751,13 @@ static inline int __do_cpuid_func(struct kvm_cpuid_array *array, u32 function) entry->eax = entry->ebx = entry->ecx = 0; entry->edx = 0; /* reserved */ break; + /* AMD IBS capability */ + case 0x8000001B: + if (!kvm_cpu_cap_has(X86_FEATURE_IBS)) + entry->eax = 0; + + entry->ebx = entry->ecx = entry->edx = 0; + break; case 0x8000001F: if (!kvm_cpu_cap_has(X86_FEATURE_SEV)) { entry->eax = entry->ebx = entry->ecx = entry->edx = 0; -- 2.43.0