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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 BN3PEPF0000B073.mail.protection.outlook.com (10.167.243.118) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.8093.14 via Frontend Transport; Tue, 22 Oct 2024 03:46:53 +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; Mon, 21 Oct 2024 22:46:51 -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 v2 3/5] x86/cpu: Enable SD_ASYM_PACKING for PKG Domain on AMD Processors Date: Mon, 21 Oct 2024 22:46:06 -0500 Message-ID: <20241022034608.32396-4-mario.limonciello@amd.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20241022034608.32396-1-mario.limonciello@amd.com> References: <20241022034608.32396-1-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: 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: BN3PEPF0000B073:EE_|PH0PR12MB8800:EE_ X-MS-Office365-Filtering-Correlation-Id: 12e07596-4f57-4dee-949c-08dcf24c2af9 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|7416014|36860700013|376014|82310400026|1800799024; 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)(7416014)(36860700013)(376014)(82310400026)(1800799024);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 22 Oct 2024 03:46:53.1578 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 12e07596-4f57-4dee-949c-08dcf24c2af9 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: BN3PEPF0000B073.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH0PR12MB8800 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(). Signed-off-by: Perry Yuan Co-developed-by: Mario Limonciello Signed-off-by: Mario Limonciello Reviewed-by: Gautham R. Shenoy --- 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; }