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Shenoy" , K Prateek Nayak Subject: [PATCH 1/8] x86/itmt: Convert "sysctl_sched_itmt_enabled" to boolean Date: Wed, 11 Dec 2024 18:55:44 +0000 Message-ID: <20241211185552.4553-2-kprateek.nayak@amd.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20241211185552.4553-1-kprateek.nayak@amd.com> References: <20241211185552.4553-1-kprateek.nayak@amd.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable 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: SA2PEPF000015C9:EE_|SA3PR12MB7831:EE_ X-MS-Office365-Filtering-Correlation-Id: f4a7fcbc-4314-40cc-c490-08dd1a1583bc X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|36860700013|82310400026|1800799024|7416014|376014; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?gJhpWzNCBsJj6xt1E//YC6w9rMWmh95CXsfDnuOZgC6JHMJVOUBGAmsUCXA5?= =?us-ascii?Q?VfTYjmFsD3wQpmfaxfUehs+YrixeRljd2daWZSwWwGpuNVlRsAXm34VoR/lu?= =?us-ascii?Q?PAvV0ZpTTPGoXeMLcvVM1g4F5ZUDfPjRozFKlLUKRdx9EZoE8z1Obxqbx+aS?= =?us-ascii?Q?0spSWCZVJj+AEdfdTkzjY7/AhfO9fU5pVLPkxkqUefzdkoK0BCdIWvVsZSv/?= =?us-ascii?Q?eyScEEKoB73J6HP5x2qf9G0svRozbCxm6lFQAkcqAKijZhjIBq9UKcXByinR?= =?us-ascii?Q?WIcZ/nkCGVG4hayWbxoBJudeSew1E0CS5W+/pGrnr+hYuFDwA2uTduSWaqS5?= =?us-ascii?Q?7ErRAkJis8tmroWwtFp3G/tvLN778rexdwo9YKb5c1VKmZ7ALjoWyb9nE2yc?= =?us-ascii?Q?aGHArSxu7WF6FZNxi4pI1mN2bPfFfcaKVZskKmdZ8CvFC7Y1rRLXc/BdsdFc?= =?us-ascii?Q?HL3NXJ3v7ZCfw49mp2jjLVvoMQc6yS+dwMdWPWa2g84scwjE6wvAiTzijGuu?= =?us-ascii?Q?eQQMEv/kSs7Lanw/BFEivpn+LBOEmLBpZ4uAFpVZNOLw5h2OPg1ST5xqpCv+?= =?us-ascii?Q?v8Fp7kksOG7AZPBavFCnoWydCzlOu55y+UdAnC7yVdIKJhYYQXCFHrXMgkSe?= =?us-ascii?Q?dw+q8MLQes5rTwWy6gCzGLiw/+p08coyJMh327sRTBKcG4zZCZiGRkv1M4KM?= =?us-ascii?Q?G85ubJ+w3l6g3SqkjOVUjxYpUwdesHvQdfGodXaDq0xNSOq9ztSY0EaOE84r?= =?us-ascii?Q?8D+lpKcw14C0rA7ndqQD5rZwrX4v6PIkT1xezaKgSbOKSsPhH/1c/Vt0RMra?= =?us-ascii?Q?LSXqzXXXDL3ybKp9vTDf/iClU0OnW5jFpc/4kmO+0vM49R6wnp21Pxv9fbrE?= =?us-ascii?Q?oQXRJ7piRThlfO5FrcWZl3I2U80u8WwQk332jRkQroUVOLPCyVvEAhbE16AI?= =?us-ascii?Q?EYveyQrEc3+oVMlrEVbKq6TCQvO7eok7mGtrDi2xawDZkfELnLY00vQIxDr6?= =?us-ascii?Q?+0v8UZMM73dBZIXN1RDESzJCQKECLLfdlZUk6g7HIwPbJXacbflMgipnzKtm?= =?us-ascii?Q?9oyiOCqX1fexMnMKrgcCYsFfGsLzOtgptEbEwj5EDB7NHl8dYDmXhL5y8ES6?= =?us-ascii?Q?0DS7Ckl9nB65qK8b+0Lw+88Kf2GkoO8oX5Tzgb2/D3kU61lAWRABzrXZEMV0?= =?us-ascii?Q?zUAaWDlRV3o2VJIgejxreOTCGSpWhSmMmWy3JXzFfVdjHEOhCNlugjtKzH4d?= =?us-ascii?Q?D2N41SdCMPGRs9HboBcaqqg0VYchpTleB4+l7mJxOEcl5YcB0N4D2vL9FglV?= =?us-ascii?Q?uqkDlCUzvEKvtPFMD4nPHYrutCX4r8RS3u6GxlH3tkDkAyVDWgB/r3nKoeiC?= =?us-ascii?Q?t6FcMzcUKqlSCd50/GssPq8FCD0doV7lmAk3EyAf2Ge4encW4oLQpaKlVtyN?= =?us-ascii?Q?fK0cHOZzVwE4a9Y28ruK3zoIbczOjwzS?= 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)(82310400026)(1800799024)(7416014)(376014);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 11 Dec 2024 18:56:26.2362 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: f4a7fcbc-4314-40cc-c490-08dd1a1583bc 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: SA2PEPF000015C9.namprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SA3PR12MB7831 Content-Type: text/plain; charset="utf-8" In preparation to move "sysctl_sched_itmt_enabled" to debugfs, convert the unsigned int to bool since debugfs readily exposes boolean fops primitives (debugfs_read_file_bool, debugfs_write_file_bool) which can streamline the conversion. Since the current ctl_table initializes extra1 and extra2 to SYSCTL_ZERO and SYSCTL_ONE respectively, the value of "sysctl_sched_itmt_enabled" can only be 0 or 1 and this datatype conversion should not cause any functional changes. Signed-off-by: K Prateek Nayak Reviewed-by: Tim Chen --- arch/x86/include/asm/topology.h | 4 ++-- arch/x86/kernel/itmt.c | 2 +- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/x86/include/asm/topology.h b/arch/x86/include/asm/topolog= y.h index fd41103ad342..63bab25a4896 100644 --- a/arch/x86/include/asm/topology.h +++ b/arch/x86/include/asm/topology.h @@ -250,7 +250,7 @@ extern bool x86_topology_update; #include =20 DECLARE_PER_CPU_READ_MOSTLY(int, sched_core_priority); -extern unsigned int __read_mostly sysctl_sched_itmt_enabled; +extern bool __read_mostly sysctl_sched_itmt_enabled; =20 /* Interface to set priority of a cpu */ void sched_set_itmt_core_prio(int prio, int core_cpu); @@ -263,7 +263,7 @@ void sched_clear_itmt_support(void); =20 #else /* CONFIG_SCHED_MC_PRIO */ =20 -#define sysctl_sched_itmt_enabled 0 +#define sysctl_sched_itmt_enabled false static inline void sched_set_itmt_core_prio(int prio, int core_cpu) { } diff --git a/arch/x86/kernel/itmt.c b/arch/x86/kernel/itmt.c index 51b805c727fc..28f449123d68 100644 --- a/arch/x86/kernel/itmt.c +++ b/arch/x86/kernel/itmt.c @@ -36,7 +36,7 @@ static bool __read_mostly sched_itmt_capable; * * It can be set via /proc/sys/kernel/sched_itmt_enabled */ -unsigned int __read_mostly sysctl_sched_itmt_enabled; +bool __read_mostly sysctl_sched_itmt_enabled; =20 static int sched_itmt_update_handler(const struct ctl_table *table, int wr= ite, void *buffer, size_t *lenp, loff_t *ppos) --=20 2.34.1