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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 CY4PEPF0000E9CE.mail.protection.outlook.com (10.167.241.133) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.8093.14 via Frontend Transport; Wed, 23 Oct 2024 17:44:42 +0000 Received: from AUS-P9-MLIMONCI.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; Wed, 23 Oct 2024 12:44:38 -0500 From: Mario Limonciello To: Borislav Petkov CC: Thomas Gleixner , Ingo Molnar , "Dave Hansen" , "maintainer:X86 ARCHITECTURE (32-BIT AND 64-BIT)" , "H . Peter Anvin" , "Rafael J . Wysocki" , "Gautham R . Shenoy" , Mario Limonciello , Perry Yuan , Brijesh Singh , Peter Zijlstra , Li RongQing , "open list:X86 ARCHITECTURE (32-BIT AND 64-BIT)" , "open list:ACPI" , "open list:AMD PSTATE DRIVER" , Pawan Gupta Subject: [PATCH v3 3/5] x86/cpu: Enable SD_ASYM_PACKING for PKG Domain on AMD Processors Date: Wed, 23 Oct 2024 12:43:55 -0500 Message-ID: <20241023174357.34338-4-mario.limonciello@amd.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20241023174357.34338-1-mario.limonciello@amd.com> References: <20241023174357.34338-1-mario.limonciello@amd.com> Precedence: bulk X-Mailing-List: linux-pm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: SATLEXMB03.amd.com (10.181.40.144) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CY4PEPF0000E9CE:EE_|CY8PR12MB7315:EE_ X-MS-Office365-Filtering-Correlation-Id: 02ddfe8b-cd4d-49b9-c4b3-08dcf38a605a X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|82310400026|36860700013|1800799024|376014|7416014; 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:CAL;SFV:NSPM;H:SATLEXMB04.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230040)(82310400026)(36860700013)(1800799024)(376014)(7416014);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 23 Oct 2024 17:44:42.5646 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 02ddfe8b-cd4d-49b9-c4b3-08dcf38a605a 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: CY4PEPF0000E9CE.namprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY8PR12MB7315 From: Perry Yuan Enable the SD_ASYM_PACKING domain flag for the PKG domain on AMD heterogeneous processors. This flag is beneficial for processors with one or more CCDs and relies on x86_sched_itmt_flags(). Reviewed-by: Gautham R. Shenoy Signed-off-by: Perry Yuan Co-developed-by: Mario Limonciello Signed-off-by: Mario Limonciello --- v3: * Pick up tag --- arch/x86/kernel/smpboot.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c index 766f092dab80b..b5a8f0891135b 100644 --- a/arch/x86/kernel/smpboot.c +++ b/arch/x86/kernel/smpboot.c @@ -497,8 +497,9 @@ static int x86_cluster_flags(void) static int x86_die_flags(void) { - if (cpu_feature_enabled(X86_FEATURE_HYBRID_CPU)) - return x86_sched_itmt_flags(); + if (cpu_feature_enabled(X86_FEATURE_HYBRID_CPU) || + cpu_feature_enabled(X86_FEATURE_AMD_HETEROGENEOUS_CORES)) + return x86_sched_itmt_flags(); return 0; }