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fmviesa007.fm.intel.com with ESMTP; 14 Jun 2026 13:10:44 -0700 Received: from kbuild by f0d55cb201f0 with local (Exim 4.98.2) (envelope-from ) id 1wYrAH-00000000RBM-2lcF; Sun, 14 Jun 2026 20:10:41 +0000 Date: Mon, 15 Jun 2026 04:10:39 +0800 From: kernel test robot To: K Prateek Nayak Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, x86@kernel.org, Peter Zijlstra , Andrea Righi , Shrikanth Hegde Subject: [tip:sched/core 12/60] kernel/sched/topology.c:2705:25: sparse: sparse: incorrect type in assignment (different address spaces) Message-ID: <202606150436.N0vjqQrW-lkp@intel.com> User-Agent: s-nail v14.9.25 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: tree: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git sched/core head: c095741713d1bc317b53e2da2b222e7448b6021f commit: fdfe5a8cd8731dd81840f26abfb6527edd27b0cb [12/60] sched/fair: Attach sched_domain_shared to sd_asym_cpucapacity config: x86_64-randconfig-121-20260614 (https://download.01.org/0day-ci/archive/20260615/202606150436.N0vjqQrW-lkp@intel.com/config) compiler: clang version 22.1.3 (https://github.com/llvm/llvm-project e9846648fd6183ee6d8cbdb4502213fcf902a211) sparse: v0.6.5-rc1 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260615/202606150436.N0vjqQrW-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/202606150436.N0vjqQrW-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) kernel/sched/build_utility.c: note: in included file: kernel/sched/debug.c:730:17: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] sd @@ got struct sched_domain [noderef] __rcu *parent @@ kernel/sched/debug.c:730:17: sparse: expected struct sched_domain *[assigned] sd kernel/sched/debug.c:730:17: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/debug.c:1071:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *tsk @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/debug.c:1071:9: sparse: expected struct task_struct *tsk kernel/sched/debug.c:1071:9: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/debug.c:1071:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *tsk @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/debug.c:1071:9: sparse: expected struct task_struct *tsk kernel/sched/debug.c:1071:9: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/build_utility.c: note: in included file: kernel/sched/stats.c:136:17: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] sd @@ got struct sched_domain [noderef] __rcu *parent @@ kernel/sched/stats.c:136:17: sparse: expected struct sched_domain *[assigned] sd kernel/sched/stats.c:136:17: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/build_utility.c: note: in included file: kernel/sched/topology.c:116:56: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct sched_domain *sd @@ got struct sched_domain [noderef] __rcu *child @@ kernel/sched/topology.c:116:56: sparse: expected struct sched_domain *sd kernel/sched/topology.c:116:56: sparse: got struct sched_domain [noderef] __rcu *child kernel/sched/topology.c:135:60: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct sched_domain *sd @@ got struct sched_domain [noderef] __rcu *parent @@ kernel/sched/topology.c:135:60: sparse: expected struct sched_domain *sd kernel/sched/topology.c:135:60: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/topology.c:158:20: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *sd @@ got struct sched_domain [noderef] __rcu *parent @@ kernel/sched/topology.c:158:20: sparse: expected struct sched_domain *sd kernel/sched/topology.c:158:20: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/topology.c:468:19: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct perf_domain *pd @@ got struct perf_domain [noderef] __rcu *pd @@ kernel/sched/topology.c:468:19: sparse: expected struct perf_domain *pd kernel/sched/topology.c:468:19: sparse: got struct perf_domain [noderef] __rcu *pd kernel/sched/topology.c:643:49: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct sched_domain *parent @@ got struct sched_domain [noderef] __rcu *parent @@ kernel/sched/topology.c:643:49: sparse: expected struct sched_domain *parent kernel/sched/topology.c:643:49: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/topology.c:746:50: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct sched_domain *parent @@ got struct sched_domain [noderef] __rcu *parent @@ kernel/sched/topology.c:746:50: sparse: expected struct sched_domain *parent kernel/sched/topology.c:746:50: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/topology.c:761:55: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain [noderef] __rcu *[noderef] __rcu child @@ got struct sched_domain *[assigned] tmp @@ kernel/sched/topology.c:761:55: sparse: expected struct sched_domain [noderef] __rcu *[noderef] __rcu child kernel/sched/topology.c:761:55: sparse: got struct sched_domain *[assigned] tmp kernel/sched/topology.c:774:29: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] tmp @@ got struct sched_domain [noderef] __rcu *parent @@ kernel/sched/topology.c:774:29: sparse: expected struct sched_domain *[assigned] tmp kernel/sched/topology.c:774:29: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/topology.c:779:20: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *sd @@ got struct sched_domain [noderef] __rcu *parent @@ kernel/sched/topology.c:779:20: sparse: expected struct sched_domain *sd kernel/sched/topology.c:779:20: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/topology.c:800:13: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] tmp @@ got struct sched_domain [noderef] __rcu *sd @@ kernel/sched/topology.c:800:13: sparse: expected struct sched_domain *[assigned] tmp kernel/sched/topology.c:800:13: sparse: got struct sched_domain [noderef] __rcu *sd kernel/sched/topology.c:964:70: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct sched_domain *sd @@ got struct sched_domain [noderef] __rcu *child @@ kernel/sched/topology.c:964:70: sparse: expected struct sched_domain *sd kernel/sched/topology.c:964:70: sparse: got struct sched_domain [noderef] __rcu *child kernel/sched/topology.c:993:59: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct sched_domain *sd @@ got struct sched_domain [noderef] __rcu *child @@ kernel/sched/topology.c:993:59: sparse: expected struct sched_domain *sd kernel/sched/topology.c:993:59: sparse: got struct sched_domain [noderef] __rcu *child kernel/sched/topology.c:1039:57: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct sched_domain *sd @@ got struct sched_domain [noderef] __rcu *child @@ kernel/sched/topology.c:1039:57: sparse: expected struct sched_domain *sd kernel/sched/topology.c:1039:57: sparse: got struct sched_domain [noderef] __rcu *child kernel/sched/topology.c:1041:25: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *sibling @@ got struct sched_domain [noderef] __rcu *child @@ kernel/sched/topology.c:1041:25: sparse: expected struct sched_domain *sibling kernel/sched/topology.c:1041:25: sparse: got struct sched_domain [noderef] __rcu *child kernel/sched/topology.c:1049:55: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct sched_domain *sd @@ got struct sched_domain [noderef] __rcu *child @@ kernel/sched/topology.c:1049:55: sparse: expected struct sched_domain *sd kernel/sched/topology.c:1049:55: sparse: got struct sched_domain [noderef] __rcu *child kernel/sched/topology.c:1051:25: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *sibling @@ got struct sched_domain [noderef] __rcu *child @@ kernel/sched/topology.c:1051:25: sparse: expected struct sched_domain *sibling kernel/sched/topology.c:1051:25: sparse: got struct sched_domain [noderef] __rcu *child kernel/sched/topology.c:1121:62: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct sched_domain *sd @@ got struct sched_domain [noderef] __rcu *child @@ kernel/sched/topology.c:1121:62: sparse: expected struct sched_domain *sd kernel/sched/topology.c:1121:62: sparse: got struct sched_domain [noderef] __rcu *child kernel/sched/topology.c:1225:40: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct sched_domain *child @@ got struct sched_domain [noderef] __rcu *child @@ kernel/sched/topology.c:1225:40: sparse: expected struct sched_domain *child kernel/sched/topology.c:1225:40: sparse: got struct sched_domain [noderef] __rcu *child kernel/sched/topology.c:1361:9: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] sd @@ got struct sched_domain [noderef] __rcu *parent @@ kernel/sched/topology.c:1361:9: sparse: expected struct sched_domain *[assigned] sd kernel/sched/topology.c:1361:9: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/topology.c:1618:52: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] sd @@ got struct sched_domain [noderef] __rcu *parent @@ kernel/sched/topology.c:1618:52: sparse: expected struct sched_domain *[assigned] sd kernel/sched/topology.c:1618:52: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/topology.c:1728:43: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct sched_domain [noderef] __rcu *child @@ got struct sched_domain *child @@ kernel/sched/topology.c:1728:43: sparse: expected struct sched_domain [noderef] __rcu *child kernel/sched/topology.c:1728:43: sparse: got struct sched_domain *child kernel/sched/topology.c:2522:31: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain [noderef] __rcu *parent @@ got struct sched_domain *sd @@ kernel/sched/topology.c:2522:31: sparse: expected struct sched_domain [noderef] __rcu *parent kernel/sched/topology.c:2522:31: sparse: got struct sched_domain *sd kernel/sched/topology.c:2650:16: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *parent @@ got struct sched_domain [noderef] __rcu *[noderef] __rcu parent @@ kernel/sched/topology.c:2650:16: sparse: expected struct sched_domain *parent kernel/sched/topology.c:2650:16: sparse: got struct sched_domain [noderef] __rcu *[noderef] __rcu parent kernel/sched/topology.c:2652:24: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *parent @@ got struct sched_domain [noderef] __rcu *parent @@ kernel/sched/topology.c:2652:24: sparse: expected struct sched_domain *parent kernel/sched/topology.c:2652:24: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/topology.c:2657:16: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *parent @@ got struct sched_domain [noderef] __rcu *parent @@ kernel/sched/topology.c:2657:16: sparse: expected struct sched_domain *parent kernel/sched/topology.c:2657:16: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/topology.c:2662:24: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *parent @@ got struct sched_domain [noderef] __rcu *parent @@ kernel/sched/topology.c:2662:24: sparse: expected struct sched_domain *parent kernel/sched/topology.c:2662:24: sparse: got struct sched_domain [noderef] __rcu *parent >> kernel/sched/topology.c:2705:25: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] sd_asym @@ got struct sched_domain [noderef] __rcu *parent @@ kernel/sched/topology.c:2705:25: sparse: expected struct sched_domain *[assigned] sd_asym kernel/sched/topology.c:2705:25: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/topology.c:2759:57: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] sd @@ got struct sched_domain [noderef] __rcu *parent @@ kernel/sched/topology.c:2759:57: sparse: expected struct sched_domain *[assigned] sd kernel/sched/topology.c:2759:57: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/topology.c:2783:28: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] sd @@ got struct sched_domain [noderef] __rcu *parent @@ kernel/sched/topology.c:2783:28: sparse: expected struct sched_domain *[assigned] sd kernel/sched/topology.c:2783:28: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/topology.c:2809:57: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] sd @@ got struct sched_domain [noderef] __rcu *parent @@ kernel/sched/topology.c:2809:57: sparse: expected struct sched_domain *[assigned] sd kernel/sched/topology.c:2809:57: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/build_utility.c: note: in included file: kernel/sched/build_utility.c: note: in included file: kernel/sched/sched.h:2379:25: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2379:25: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2379:25: sparse: struct task_struct * vim +2705 kernel/sched/topology.c 2679 2680 /* 2681 * For asymmetric CPU capacity, attach sched_domain_shared on the innermost 2682 * SD_ASYM_CPUCAPACITY_FULL ancestor of @cpu's base domain when that ancestor is 2683 * not an overlapping NUMA-built domain (then LLC should claim shared). 2684 * 2685 * A CPU may lack any FULL ancestor (e.g., exclusive cpuset symmetric island), 2686 * then LLC must claim shared instead. 2687 * 2688 * Note: SD_ASYM_CPUCAPACITY_FULL is only set when all CPU capacity values 2689 * are present in the domain span, so the asym domain we attach to cannot 2690 * degenerate into a single-capacity group. The relevant edge cases are instead 2691 * covered by the caveats above. 2692 * 2693 * Return true if this CPU's asym path claimed sd->shared, false otherwise. 2694 */ 2695 static bool claim_asym_sched_domain_shared(struct s_data *d, int cpu) 2696 { 2697 struct sched_domain *sd = *per_cpu_ptr(d->sd, cpu); 2698 struct sched_domain *sd_asym; 2699 2700 if (!sd) 2701 return false; 2702 2703 sd_asym = sd; 2704 while (sd_asym && !(sd_asym->flags & SD_ASYM_CPUCAPACITY_FULL)) > 2705 sd_asym = sd_asym->parent; 2706 2707 if (!sd_asym || (sd_asym->flags & SD_NUMA)) 2708 return false; 2709 2710 init_sched_domain_shared(d, sd_asym); 2711 return true; 2712 } 2713 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki