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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 v4 3/5] x86/cpu: Enable SD_ASYM_PACKING for PKG Domain on AMD Processors Date: Fri, 25 Oct 2024 12:14:57 -0500 Message-ID: <20241025171459.1093-4-mario.limonciello@amd.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20241025171459.1093-1-mario.limonciello@amd.com> References: <20241025171459.1093-1-mario.limonciello@amd.com> Precedence: bulk X-Mailing-List: linux-acpi@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: BN2PEPF00004FC0:EE_|PH7PR12MB5807:EE_ X-MS-Office365-Filtering-Correlation-Id: 92cdf1d2-22c6-4a89-9e3c-08dcf518a2f5 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|36860700013|376014|7416014|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)(36860700013)(376014)(7416014)(82310400026)(1800799024);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 25 Oct 2024 17:15:34.1012 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 92cdf1d2-22c6-4a89-9e3c-08dcf518a2f5 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: BN2PEPF00004FC0.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH7PR12MB5807 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; }