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orviesa003.jf.intel.com with ESMTP; 13 Jan 2026 06:04:11 -0800 Received: from kbuild by 765f4a05e27f with local (Exim 4.98.2) (envelope-from ) id 1vff0C-00000000Ese-2NF8; Tue, 13 Jan 2026 14:04:08 +0000 Date: Tue, 13 Jan 2026 22:03:54 +0800 From: kernel test robot To: John Stultz Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, Peter Zijlstra Subject: kernel/sched/fair.c:1201:33: sparse: sparse: incorrect type in argument 2 (different address spaces) Message-ID: <202601132230.08tbCY9b-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: b71e635feefc852405b14620a7fc58c4c80c0f73 commit: aa4f74dfd42ba4399f785fb9c460a11bd1756f0a sched: Fix runtime accounting w/ split exec & sched contexts date: 6 months ago config: sparc64-randconfig-r112-20260113 (https://download.01.org/0day-ci/archive/20260113/202601132230.08tbCY9b-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/20260113/202601132230.08tbCY9b-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/202601132230.08tbCY9b-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) kernel/sched/fair.c:1167:49: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct task_struct *running @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/fair.c:1167:49: sparse: expected struct task_struct *running kernel/sched/fair.c:1167:49: sparse: got struct task_struct [noderef] __rcu *curr >> kernel/sched/fair.c:1201:33: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct sched_entity *se @@ got struct sched_entity [noderef] __rcu * @@ kernel/sched/fair.c:1201:33: sparse: expected struct sched_entity *se kernel/sched/fair.c:1201:33: sparse: got struct sched_entity [noderef] __rcu * kernel/sched/fair.c:1259:34: 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:1259:34: sparse: expected struct sched_entity const *se kernel/sched/fair.c:1259:34: sparse: got struct sched_entity [noderef] __rcu * kernel/sched/fair.c:12744:9: 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:12744:9: sparse: expected struct sched_domain *[assigned] sd kernel/sched/fair.c:12744:9: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/fair.c:5995:22: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/fair.c:5995:22: sparse: struct task_struct [noderef] __rcu * kernel/sched/fair.c:5995:22: sparse: struct task_struct * kernel/sched/fair.c:6920:58: 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:6920:58: sparse: expected struct task_struct *p kernel/sched/fair.c:6920:58: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/fair.c:8302:20: 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:8302:20: sparse: expected struct sched_domain *[assigned] sd kernel/sched/fair.c:8302:20: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/fair.c:8506:9: 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:8506:9: sparse: expected struct sched_domain *[assigned] tmp kernel/sched/fair.c:8506:9: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/fair.c:8648:39: 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:8648:39: sparse: expected struct task_struct *donor kernel/sched/fair.c:8648:39: sparse: got struct task_struct [noderef] __rcu *donor kernel/sched/fair.c:8680:37: 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:8680:37: sparse: expected struct task_struct *tsk kernel/sched/fair.c:8680:37: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/fair.c:8900:38: 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:8900:38: sparse: expected struct task_struct *curr kernel/sched/fair.c:8900:38: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/fair.c:9917:40: 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:9917:40: sparse: expected struct sched_domain *child kernel/sched/fair.c:9917:40: sparse: got struct sched_domain [noderef] __rcu *child kernel/sched/fair.c:10545:22: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/fair.c:10545:22: sparse: struct task_struct [noderef] __rcu * kernel/sched/fair.c:10545:22: sparse: struct task_struct * kernel/sched/fair.c:11990:9: 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:11990:9: sparse: expected struct sched_domain *[assigned] sd kernel/sched/fair.c:11990:9: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/fair.c:11640:44: 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:11640:44: sparse: expected struct sched_domain *sd_parent kernel/sched/fair.c:11640:44: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/fair.c:12105:9: 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:12105:9: sparse: expected struct sched_domain *[assigned] sd kernel/sched/fair.c:12105:9: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/fair.c:7415:28: 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:7415:28: sparse: expected struct sched_domain *sd kernel/sched/fair.c:7415:28: sparse: got struct sched_domain [noderef] __rcu *child kernel/sched/fair.c:7421:28: 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:7421:28: sparse: expected struct sched_domain *sd kernel/sched/fair.c:7421:28: sparse: got struct sched_domain [noderef] __rcu *child kernel/sched/fair.c:7428:28: 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:7428:28: sparse: expected struct sched_domain *sd kernel/sched/fair.c:7428:28: sparse: got struct sched_domain [noderef] __rcu *child kernel/sched/fair.c:7436:17: 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:7436:17: sparse: expected struct sched_domain *[assigned] tmp kernel/sched/fair.c:7436:17: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/fair.c:8590:9: sparse: sparse: context imbalance in 'task_dead_fair' - wrong count at exit kernel/sched/fair.c: note: in included file: kernel/sched/sched.h:2462:9: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2462:9: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2462:9: sparse: struct task_struct * kernel/sched/sched.h:2262:26: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2262:26: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2262:26: sparse: struct task_struct * kernel/sched/sched.h:2262:26: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2262:26: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2262:26: sparse: struct task_struct * vim +1201 kernel/sched/fair.c 1195 1196 /* 1197 * Used by other classes to account runtime. 1198 */ 1199 s64 update_curr_common(struct rq *rq) 1200 { > 1201 return update_se(rq, &rq->donor->se); 1202 } 1203 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki