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X-CSE-ConnectionGUID: gerBAajYSTeE0XvZgzucFw== X-CSE-MsgGUID: HDY2P6LxRxSCeZuBFQWolQ== X-IronPort-AV: E=McAfee;i="6800,10657,11894"; a="92736941" X-IronPort-AV: E=Sophos;i="6.25,260,1779174000"; d="scan'208";a="92736941" Received: from orviesa008.jf.intel.com ([10.64.159.148]) by fmvoesa106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Sep 2026 05:00:54 -0700 X-CSE-ConnectionGUID: o0K2EAg9RZifaWxOJkZhjQ== X-CSE-MsgGUID: rcjiwQwlSpK1ERI3z5cNqg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.25,260,1779174000"; d="scan'208";a="269169791" Received: from igk-lkp-server01.igk.intel.com (HELO 05545efcfdd3) ([10.211.93.152]) by orviesa008.jf.intel.com with ESMTP; 03 Sep 2026 05:00:53 -0700 Received: from kbuild by 05545efcfdd3 with local (Exim 4.98.2) (envelope-from ) id 1x267f-000000000w3-0Pm0; Thu, 03 Sep 2026 12:00:51 +0000 Date: Thu, 03 Sep 2026 14:00:00 +0200 From: kernel test robot To: steven@liquorix.net Cc: oe-kbuild-all@lists.linux.dev Subject: [zen:7.2/prjc 648/767] kernel/sched/alt_core.c:1979:19: warning: stack frame size (2104) exceeds limit (2048) in 'select_task_rq' Message-ID: <202609031352.hqUoMi0K-lkp@intel.com> User-Agent: s-nail v14.9.25 Precedence: bulk X-Mailing-List: oe-kbuild-all@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: tree: https://github.com/zen-kernel/zen-kernel 7.2/prjc head: b93a6c25160bf4f198c279466dfabfb399f5d973 commit: ca8e0fde64fcfaf8691f1aa16d875770a5896ca5 [648/767] sched/alt: [Sync] dcb7416212e6 block: invalidate cached plug timestamp after task switch config: x86_64-allmodconfig (https://download.01.org/0day-ci/archive/20260903/202609031352.hqUoMi0K-lkp@intel.com/config) compiler: clang version 22.1.8 (https://github.com/llvm/llvm-project ca7933e47d3a3451d81e72ac174dcb5aa28b59d1) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260903/202609031352.hqUoMi0K-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202609031352.hqUoMi0K-lkp@intel.com/ All warnings (new ones prefixed by >>): >> kernel/sched/alt_core.c:1979:19: warning: stack frame size (2104) exceeds limit (2048) in 'select_task_rq' [-Wframe-larger-than] 1979 | static inline int select_task_rq(struct task_struct *p) | ^ >> kernel/sched/alt_core.c:4450:20: warning: stack frame size (2224) exceeds limit (2048) in 'prio_balance' [-Wframe-larger-than] 4450 | static inline void prio_balance(struct rq *rq, const int cpu) | ^ 2 warnings generated. vim +/select_task_rq +1979 kernel/sched/alt_core.c d61ec5fb1be3213 Alfred Chen 2024-04-24 1978 ff5c45dfa194c44 Alfred Chen 2021-05-24 @1979 static inline int select_task_rq(struct task_struct *p) 2f7ec82370cbb70 Alfred Chen 2019-08-19 1980 { ca82bd6ba136130 Alfred Chen 2022-12-21 1981 cpumask_t allow_mask, mask; 2f7ec82370cbb70 Alfred Chen 2019-08-19 1982 ca82bd6ba136130 Alfred Chen 2022-12-21 1983 if (unlikely(!cpumask_and(&allow_mask, p->cpus_ptr, cpu_active_mask))) 2f7ec82370cbb70 Alfred Chen 2019-08-19 1984 return select_fallback_rq(task_cpu(p), p); 2f7ec82370cbb70 Alfred Chen 2019-08-19 1985 1cb8e7e744b4a93 Alfred Chen 2025-08-28 1986 if (static_call(sched_idle_select_func)(&mask, &allow_mask, sched_idle_mask) || 081f001d0ed9543 Alfred Chen 2024-01-31 1987 preempt_mask_check(&mask, &allow_mask, task_sched_prio(p))) ca82bd6ba136130 Alfred Chen 2022-12-21 1988 return best_mask_cpu(task_cpu(p), &mask); 2f7ec82370cbb70 Alfred Chen 2019-08-19 1989 ca82bd6ba136130 Alfred Chen 2022-12-21 1990 return best_mask_cpu(task_cpu(p), &allow_mask); 2f7ec82370cbb70 Alfred Chen 2019-08-19 1991 } 2f7ec82370cbb70 Alfred Chen 2019-08-19 1992 :::::: The code at line 1979 was first introduced by commit :::::: ff5c45dfa194c44ec3b146644154ca07a35eef2a sched/pds: Fix unexpected larger delta in task_sched_prio_normal() :::::: TO: Alfred Chen :::::: CC: Alfred Chen -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki