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orviesa007.jf.intel.com with ESMTP; 16 Feb 2026 09:30:20 -0800 Received: from kbuild by 765f4a05e27f with local (Exim 4.98.2) (envelope-from ) id 1vs2QL-0000000108Q-0VI1; Mon, 16 Feb 2026 17:30:17 +0000 Date: Tue, 17 Feb 2026 01:29:51 +0800 From: kernel test robot To: Peter Zijlstra Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, Juri Lelli , "Connor O'Brien" , John Stultz , Metin Kaya Subject: kernel/sched/fair.c:1203:39: sparse: sparse: incorrect type in initializer (different address spaces) Message-ID: <202602170126.C1jPrrS3-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/torvalds/linux.git master head: 0f2acd3148e0ef42bdacbd477f90e8533f96b2ac commit: af0c8b2bf67b25756f27644936e74fd9a6273bd2 sched: Split scheduler and execution contexts date: 1 year, 4 months ago config: i386-randconfig-062-20260216 (https://download.01.org/0day-ci/archive/20260217/202602170126.C1jPrrS3-lkp@intel.com/config) compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260217/202602170126.C1jPrrS3-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/202602170126.C1jPrrS3-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) >> kernel/sched/fair.c:1203:39: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct task_struct *donor @@ got struct task_struct [noderef] __rcu *donor @@ kernel/sched/fair.c:1203:39: sparse: expected struct task_struct *donor kernel/sched/fair.c:1203:39: sparse: got struct task_struct [noderef] __rcu *donor kernel/sched/fair.c:1261:34: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct sched_entity const *se @@ got struct sched_entity [noderef] __rcu * @@ kernel/sched/fair.c:1261:34: sparse: expected struct sched_entity const *se kernel/sched/fair.c:1261:34: sparse: got struct sched_entity [noderef] __rcu * kernel/sched/fair.c:12772:9: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] sd @@ got struct sched_domain [noderef] __rcu *parent @@ kernel/sched/fair.c:12772:9: sparse: expected struct sched_domain *[assigned] sd kernel/sched/fair.c:12772:9: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/fair.c:6103:22: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/fair.c:6103:22: sparse: struct task_struct [noderef] __rcu * kernel/sched/fair.c:6103:22: sparse: struct task_struct * kernel/sched/fair.c:7036:58: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/fair.c:7036:58: sparse: expected struct task_struct *p kernel/sched/fair.c:7036:58: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/fair.c:8404:20: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] sd @@ got struct sched_domain [noderef] __rcu *parent @@ kernel/sched/fair.c:8404:20: sparse: expected struct sched_domain *[assigned] sd kernel/sched/fair.c:8404:20: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/fair.c:8608:9: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] tmp @@ got struct sched_domain [noderef] __rcu *parent @@ kernel/sched/fair.c:8608:9: sparse: expected struct sched_domain *[assigned] tmp kernel/sched/fair.c:8608:9: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/fair.c:8753:39: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct task_struct *donor @@ got struct task_struct [noderef] __rcu *donor @@ kernel/sched/fair.c:8753:39: sparse: expected struct task_struct *donor kernel/sched/fair.c:8753:39: sparse: got struct task_struct [noderef] __rcu *donor kernel/sched/fair.c:8784:37: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *tsk @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/fair.c:8784:37: sparse: expected struct task_struct *tsk kernel/sched/fair.c:8784:37: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/fair.c:8995:38: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct task_struct *curr @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/fair.c:8995:38: sparse: expected struct task_struct *curr kernel/sched/fair.c:8995:38: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/fair.c:9966:40: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct sched_domain *child @@ got struct sched_domain [noderef] __rcu *child @@ kernel/sched/fair.c:9966:40: sparse: expected struct sched_domain *child kernel/sched/fair.c:9966:40: sparse: got struct sched_domain [noderef] __rcu *child kernel/sched/fair.c:10588:22: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/fair.c:10588:22: sparse: struct task_struct [noderef] __rcu * kernel/sched/fair.c:10588:22: sparse: struct task_struct * kernel/sched/fair.c:12011:9: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] sd @@ got struct sched_domain [noderef] __rcu *parent @@ kernel/sched/fair.c:12011:9: sparse: expected struct sched_domain *[assigned] sd kernel/sched/fair.c:12011:9: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/fair.c:11661:44: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct sched_domain *sd_parent @@ got struct sched_domain [noderef] __rcu *parent @@ kernel/sched/fair.c:11661:44: sparse: expected struct sched_domain *sd_parent kernel/sched/fair.c:11661:44: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/fair.c:12120:9: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] sd @@ got struct sched_domain [noderef] __rcu *parent @@ kernel/sched/fair.c:12120:9: sparse: expected struct sched_domain *[assigned] sd kernel/sched/fair.c:12120:9: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/fair.c:7517:28: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *sd @@ got struct sched_domain [noderef] __rcu *child @@ kernel/sched/fair.c:7517:28: sparse: expected struct sched_domain *sd kernel/sched/fair.c:7517:28: sparse: got struct sched_domain [noderef] __rcu *child kernel/sched/fair.c:7523:28: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *sd @@ got struct sched_domain [noderef] __rcu *child @@ kernel/sched/fair.c:7523:28: sparse: expected struct sched_domain *sd kernel/sched/fair.c:7523:28: sparse: got struct sched_domain [noderef] __rcu *child kernel/sched/fair.c:7530:28: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *sd @@ got struct sched_domain [noderef] __rcu *child @@ kernel/sched/fair.c:7530:28: sparse: expected struct sched_domain *sd kernel/sched/fair.c:7530:28: sparse: got struct sched_domain [noderef] __rcu *child kernel/sched/fair.c:7538:17: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] tmp @@ got struct sched_domain [noderef] __rcu *parent @@ kernel/sched/fair.c:7538:17: sparse: expected struct sched_domain *[assigned] tmp kernel/sched/fair.c:7538:17: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/fair.c:8692:9: sparse: sparse: context imbalance in 'task_dead_fair' - wrong count at exit kernel/sched/fair.c: note: in included file: kernel/sched/sched.h:2496:9: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2496:9: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2496:9: sparse: struct task_struct * kernel/sched/sched.h:2287:26: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2287:26: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2287:26: sparse: struct task_struct * kernel/sched/sched.h:2287:26: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2287:26: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2287:26: sparse: struct task_struct * vim +1203 kernel/sched/fair.c 1197 1198 /* 1199 * Used by other classes to account runtime. 1200 */ 1201 s64 update_curr_common(struct rq *rq) 1202 { > 1203 struct task_struct *donor = rq->donor; 1204 s64 delta_exec; 1205 1206 delta_exec = update_curr_se(rq, &donor->se); 1207 if (likely(delta_exec > 0)) 1208 update_curr_task(donor, delta_exec); 1209 1210 return delta_exec; 1211 } 1212 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki