From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from DM1PR04CU001.outbound.protection.outlook.com (mail-centralusazon11010000.outbound.protection.outlook.com [52.101.61.0]) (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 4DDCA3CF69E for ; Tue, 10 Mar 2026 06:00:41 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=52.101.61.0 ARC-Seal:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773122444; cv=fail; b=YpbfMZng7/93hCBREywZbR46ya0UyA/HekihGgOa11ktY3WPsYaLOF4FXH/wbq2HLALdv9bdk1OIlPImZjyQHnwmTd4Kmg90WVv177lHqH45gHfzQcZkaqEl63Er6Iuf/uOxBAB6QDNE0CN/W/hyZmWSO1EMEJ79dzj/2/TMbRM= ARC-Message-Signature:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773122444; c=relaxed/simple; bh=+IscRik++pn+miCUADxCxXGTRfR29P9jUf/yrUWiddI=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=foUKljRzefR1G0swBYZgpP8IKuNiDeQcD864Ecg86OOY06N/c0E5beaV54MidvPcimWxX6LAKeGe5YMJ5513KZ/qHCHeuGXNoStLiEJ2QBMZ0sreYdZncjIloxdY1lAK5meiYcfSfITEwmwft8p5qiPenvbPeZtoPm7bgMCyqNg= 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=m7+c83Gu; arc=fail smtp.client-ip=52.101.61.0 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="m7+c83Gu" ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=Lju6iyNVfwhli5lZ/FaFzGc+qqhjcUTqDnUq4Y4LQmQHOP03s6nMty2Bl/8b/pMJLvxx40IdSUpHGaPhgL8i6U+zwglGTmWttg/FGqVpQnQCta1FtZLtHtnay3j/tYMOVeTHpmfCVQt3r3uki6wne0VD28vDUYviOfTXvLqDrN9EpW6zw4cmj+IkkarX/+PYHj74flttroh+ZcPyNQNeiybSjYAjwS2iQxE2XGvQ6B3azrJDqjQZ0knVb8zbrwtZ4Tm7KDCPgm9m8Ak4oGY49rf5VX8nFCTWMsIENpjGrZTJv4BJQl163m2J02Z/IPMW7Rmj7UOla1seidr1vksruA== 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=Y1QM/tRlMAAJS/AwKBV88jgjXIEeP4iZnTWX/9fDv+8=; b=rmi47xG5oOBzQAl+zdnXZGPyGlGgLF6YbOV8WvtAY6PTO8fXoFg3Bm0nFrQ0R7LIe7JqUeE+JOZuRnmwjeqwgvowXrbODqOLIKJyUlFyNw4nAOmroHePOWplote33rlJnWphlweZfYi5CFME4hugiKRWWlIzGoZU9BmXaO2pl+ooVkKf3543TSmd1hAmmlS4hBBpHn79yN/bC7jJvrpHb8WYcapqrVvAp2mU5pgbPwXSdIwCMrlQUXbiO4J0l9fw1FVg1WwDoX8Arw5JIhQolO0kBNxCindasZe0tCJl8WbjenctEY+1bEGWpvHpqySf39bNNIzyxxJffuBNzy1jIg== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 165.204.84.17) smtp.rcpttodomain=google.com 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=Y1QM/tRlMAAJS/AwKBV88jgjXIEeP4iZnTWX/9fDv+8=; b=m7+c83GukTKKv3rZr8pNget8d/zW5ZxQKZVvNB8DhnbIw/S+dRkKPV/dLXz6oCQZR7AMblkAQqeQBBlLCm56zY9onB88cSSGw2SfNCP8rTdWPIwZK3RKC8D/oEzf3dCS8iEkVbDeiaPdUhjOQ5NwpKMxa22eiAXOARONI+Ltcgg= Received: from MN2PR01CA0063.prod.exchangelabs.com (2603:10b6:208:23f::32) by LV3PR12MB9260.namprd12.prod.outlook.com (2603:10b6:408:1b4::21) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9700.5; Tue, 10 Mar 2026 06:00:37 +0000 Received: from BL02EPF0001A0FE.namprd03.prod.outlook.com (2603:10b6:208:23f:cafe::91) by MN2PR01CA0063.outlook.office365.com (2603:10b6:208:23f::32) with Microsoft SMTP Server (version=TLS1_3, cipher=TLS_AES_256_GCM_SHA384) id 15.20.9678.25 via Frontend Transport; Tue, 10 Mar 2026 06:00:16 +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=satlexmb07.amd.com; pr=C Received: from satlexmb07.amd.com (165.204.84.17) by BL02EPF0001A0FE.mail.protection.outlook.com (10.167.242.105) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9678.18 via Frontend Transport; Tue, 10 Mar 2026 06:00:37 +0000 Received: from volcano-f23bhost.amd.com (10.180.168.240) by satlexmb07.amd.com (10.181.42.216) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.17; Tue, 10 Mar 2026 01:00:35 -0500 From: Manali Shukla To: , CC: , , , , , , , , , , Subject: [PATCH v3 2/9] x86/cpufeatures: Add CPUID feature bit for VIBS in SVM/SEV guests Date: Tue, 10 Mar 2026 06:00:14 +0000 Message-ID: <20260310060022.15120-3-manali.shukla@amd.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260310060022.15120-1-manali.shukla@amd.com> References: <20260310060022.15120-1-manali.shukla@amd.com> Precedence: bulk X-Mailing-List: kvm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ClientProxiedBy: satlexmb07.amd.com (10.181.42.216) To satlexmb07.amd.com (10.181.42.216) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BL02EPF0001A0FE:EE_|LV3PR12MB9260:EE_ X-MS-Office365-Filtering-Correlation-Id: 2d5698ab-c73f-4f91-cbe9-08de7e6a59f9 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|36860700016|376014|1800799024|82310400026; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:165.204.84.17;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:satlexmb07.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230040)(36860700016)(376014)(1800799024)(82310400026);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: 8Rm/8QGjY8cRiHSrqPavYMdygyZP1El41sPHfQqmR4B/0pj0cZX7eT9JVlvBtYcKLpMeF1yNJd95EIp02EyqFpwA5UmXBcLshtv6AGWtG0GWDUvNghQqLRTo7OAOUo5SDjHIZXMxrkw5M7fGC0uypEVmsr2Nb6sJfauH3i8wUy42wccSHpIDqrjnUjkVrUCOeYwcQeAYAtAWQ0oHX/omngRwIP9ClmNJd65uhld7hO5z5cjaLU6FMecf77d5QtPU/YPmyaKu9BI4D6ShrSbXKQ4YxSaauzL0QsktyAUjc//Gj3gMtEdLXgtVqQatU2NSXRoV+8P2v0xrlWK5QnXWnNkV88wtCVNGlEx0f7tZmIbnxcmV7NVcuw/a3D31ugSizB/MRhRUNzLXEQt7X0z1FnENejhVgyVOUpdsVZ8j6eJ4GhHkDe0GlaJ3ocxY2SR5 X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 10 Mar 2026 06:00:37.3925 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 2d5698ab-c73f-4f91-cbe9-08de7e6a59f9 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=[satlexmb07.amd.com] X-MS-Exchange-CrossTenant-AuthSource: BL02EPF0001A0FE.namprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: LV3PR12MB9260 From: Santosh Shukla The virtualized IBS (VIBS) feature allows the guest to collect IBS samples without exiting the guest. Presence of the VIBS feature is indicated via CPUID function 0x8000000A_EDX[26]. Signed-off-by: Santosh Shukla Signed-off-by: Manali Shukla --- arch/x86/include/asm/cpufeatures.h | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/x86/include/asm/cpufeatures.h b/arch/x86/include/asm/cpufeatures.h index b1631eb15e74..a1cd6437a052 100644 --- a/arch/x86/include/asm/cpufeatures.h +++ b/arch/x86/include/asm/cpufeatures.h @@ -382,6 +382,7 @@ #define X86_FEATURE_X2AVIC (15*32+18) /* "x2avic" Virtual x2apic */ #define X86_FEATURE_V_SPEC_CTRL (15*32+20) /* "v_spec_ctrl" Virtual SPEC_CTRL */ #define X86_FEATURE_VNMI (15*32+25) /* "vnmi" Virtual NMI */ +#define X86_FEATURE_VIBS (15*32+26) /* Virtual IBS */ #define X86_FEATURE_AVIC_EXTLVT (15*32+27) /* Extended LVT AVIC acceleration support */ #define X86_FEATURE_SVME_ADDR_CHK (15*32+28) /* SVME addr check */ #define X86_FEATURE_BUS_LOCK_THRESHOLD (15*32+29) /* Bus lock threshold */ -- 2.43.0