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fmviesa007.fm.intel.com with ESMTP; 03 May 2026 23:49:10 -0700 Received: from kbuild by 781826d00641 with local (Exim 4.98.2) (envelope-from ) id 1wJn6x-000000003ZP-3qrp; Mon, 04 May 2026 06:49:01 +0000 Date: Mon, 04 May 2026 14:48:48 +0800 From: kernel test robot To: Tejun Heo Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, Andrea Righi Subject: kernel/sched/ext.c:3403:62: sparse: sparse: incorrect type in initializer (different address spaces) Message-ID: <202605041450.pH0J9eJ9-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: 6d35786de28116ecf78797a62b84e6bf3c45aa5a commit: 337ec00b1d9c676f637651c2cefddb8612b867ee sched_ext: Implement cgroup sub-sched enabling and disabling date: 8 weeks ago config: arm64-randconfig-r113-20260503 (https://download.01.org/0day-ci/archive/20260504/202605041450.pH0J9eJ9-lkp@intel.com/config) compiler: aarch64-linux-gcc (GCC) 8.5.0 sparse: v0.6.5-rc1 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260504/202605041450.pH0J9eJ9-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 | Fixes: 337ec00b1d9c ("sched_ext: Implement cgroup sub-sched enabling and disabling") | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202605041450.pH0J9eJ9-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) kernel/sched/rt.c:1982:40: sparse: expected struct task_struct *task kernel/sched/rt.c:1982:40: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/rt.c:2005:13: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/rt.c:2005:13: sparse: struct task_struct * kernel/sched/rt.c:2005:13: sparse: struct task_struct [noderef] __rcu * kernel/sched/rt.c:2356:54: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *tsk @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/rt.c:2356:54: sparse: expected struct task_struct *tsk kernel/sched/rt.c:2356:54: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/rt.c:2358:40: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *donor @@ kernel/sched/rt.c:2358:40: sparse: expected struct task_struct *p kernel/sched/rt.c:2358:40: sparse: got struct task_struct [noderef] __rcu *donor kernel/sched/rt.c:2358:62: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *donor @@ kernel/sched/rt.c:2358:62: sparse: expected struct task_struct *p kernel/sched/rt.c:2358:62: sparse: got struct task_struct [noderef] __rcu *donor kernel/sched/build_policy.c: note: in included file: kernel/sched/deadline.c:2922:23: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *donor @@ kernel/sched/deadline.c:2922:23: sparse: expected struct task_struct *p kernel/sched/deadline.c:2922:23: sparse: got struct task_struct [noderef] __rcu *donor kernel/sched/deadline.c:2932:13: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/deadline.c:2932:13: sparse: struct task_struct * kernel/sched/deadline.c:2932:13: sparse: struct task_struct [noderef] __rcu * kernel/sched/deadline.c:3038:25: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/deadline.c:3038:25: sparse: struct task_struct * kernel/sched/deadline.c:3038:25: sparse: struct task_struct [noderef] __rcu * kernel/sched/deadline.c:2539:42: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct sched_dl_entity const *b @@ got struct sched_dl_entity [noderef] __rcu * @@ kernel/sched/deadline.c:2539:42: sparse: expected struct sched_dl_entity const *b kernel/sched/deadline.c:2539:42: sparse: got struct sched_dl_entity [noderef] __rcu * kernel/sched/deadline.c:2549:38: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *tsk @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/deadline.c:2549:38: sparse: expected struct task_struct *tsk kernel/sched/deadline.c:2549:38: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/deadline.c:1198:39: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/deadline.c:1198:39: sparse: expected struct task_struct *p kernel/sched/deadline.c:1198:39: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/deadline.c:1198:85: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct sched_dl_entity const *b @@ got struct sched_dl_entity [noderef] __rcu * @@ kernel/sched/deadline.c:1198:85: sparse: expected struct sched_dl_entity const *b kernel/sched/deadline.c:1198:85: sparse: got struct sched_dl_entity [noderef] __rcu * kernel/sched/deadline.c:1296:23: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *donor @@ kernel/sched/deadline.c:1296:23: sparse: expected struct task_struct *p kernel/sched/deadline.c:1296:23: sparse: got struct task_struct [noderef] __rcu *donor kernel/sched/deadline.c:1815:31: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/deadline.c:1815:31: sparse: expected struct task_struct *p kernel/sched/deadline.c:1815:31: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/deadline.c:1815:70: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct sched_dl_entity const *b @@ got struct sched_dl_entity [noderef] __rcu * @@ kernel/sched/deadline.c:1815:70: sparse: expected struct sched_dl_entity const *b kernel/sched/deadline.c:1815:70: sparse: got struct sched_dl_entity [noderef] __rcu * kernel/sched/deadline.c:1941:39: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct task_struct *donor @@ got struct task_struct [noderef] __rcu *donor @@ kernel/sched/deadline.c:1941:39: sparse: expected struct task_struct *donor kernel/sched/deadline.c:1941:39: sparse: got struct task_struct [noderef] __rcu *donor kernel/sched/deadline.c:2758:9: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] sd @@ got struct sched_domain [noderef] __rcu *parent @@ kernel/sched/deadline.c:2758:9: sparse: expected struct sched_domain *[assigned] sd kernel/sched/deadline.c:2758:9: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/deadline.c:2419:14: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct task_struct *curr @@ got struct task_struct [noderef] __rcu * @@ kernel/sched/deadline.c:2419:14: sparse: expected struct task_struct *curr kernel/sched/deadline.c:2419:14: sparse: got struct task_struct [noderef] __rcu * kernel/sched/deadline.c:2420:15: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct task_struct *donor @@ got struct task_struct [noderef] __rcu * @@ kernel/sched/deadline.c:2420:15: sparse: expected struct task_struct *donor kernel/sched/deadline.c:2420:15: sparse: got struct task_struct [noderef] __rcu * kernel/sched/deadline.c:2494:43: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *donor @@ kernel/sched/deadline.c:2494:43: sparse: expected struct task_struct *p kernel/sched/deadline.c:2494:43: sparse: got struct task_struct [noderef] __rcu *donor kernel/sched/deadline.c:3083:38: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *tsk @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/deadline.c:3083:38: sparse: expected struct task_struct *tsk kernel/sched/deadline.c:3083:38: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/deadline.c:3085:23: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *donor @@ kernel/sched/deadline.c:3085:23: sparse: expected struct task_struct *p kernel/sched/deadline.c:3085:23: sparse: got struct task_struct [noderef] __rcu *donor kernel/sched/deadline.c:3087:44: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct sched_dl_entity const *b @@ got struct sched_dl_entity [noderef] __rcu * @@ kernel/sched/deadline.c:3087:44: sparse: expected struct sched_dl_entity const *b kernel/sched/deadline.c:3087:44: sparse: got struct sched_dl_entity [noderef] __rcu * kernel/sched/deadline.c:3340:23: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/deadline.c:3340:23: sparse: struct task_struct [noderef] __rcu * kernel/sched/deadline.c:3340:23: sparse: struct task_struct * kernel/sched/deadline.c:3393:32: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/build_policy.c: note: in included file: kernel/sched/ext.c:1127:38: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct task_struct *curr @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/ext.c:1207:27: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct scx_sched *sch @@ got struct scx_sched [noderef] __rcu *[addressable] [toplevel] scx_root @@ kernel/sched/ext.c:1217:48: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/ext.c:1217:48: sparse: struct task_struct * kernel/sched/ext.c:1217:48: sparse: struct task_struct [noderef] __rcu * kernel/sched/ext.c:1376:66: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/ext.c:1376:66: sparse: struct task_struct [noderef] __rcu * kernel/sched/ext.c:1376:66: sparse: struct task_struct * kernel/sched/ext.c:1875:35: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *donor @@ kernel/sched/ext.c:1875:35: sparse: expected struct task_struct *p kernel/sched/ext.c:1875:35: sparse: got struct task_struct [noderef] __rcu *donor kernel/sched/ext.c:1886:38: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct task_struct *from @@ got struct task_struct [noderef] __rcu *donor @@ kernel/sched/ext.c:1886:38: sparse: expected struct task_struct *from kernel/sched/ext.c:1886:38: sparse: got struct task_struct [noderef] __rcu *donor kernel/sched/ext.c:2520:33: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct scx_sched *sch @@ got struct scx_sched [noderef] __rcu *[addressable] [toplevel] scx_root @@ kernel/sched/ext.c:2520:33: sparse: expected struct scx_sched *sch kernel/sched/ext.c:2520:33: sparse: got struct scx_sched [noderef] __rcu *[addressable] [toplevel] scx_root kernel/sched/ext.c:2675:33: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct scx_sched *sch @@ got struct scx_sched [noderef] __rcu *[addressable] [toplevel] scx_root @@ kernel/sched/ext.c:2675:33: sparse: expected struct scx_sched *sch kernel/sched/ext.c:2675:33: sparse: got struct scx_sched [noderef] __rcu *[addressable] [toplevel] scx_root kernel/sched/ext.c:2770:38: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct task_struct *prev @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/ext.c:2770:38: sparse: expected struct task_struct *prev kernel/sched/ext.c:2770:38: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/ext.c:2990:33: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct scx_sched *sch @@ got struct scx_sched [noderef] __rcu *[addressable] [toplevel] scx_root @@ kernel/sched/ext.c:2990:33: sparse: expected struct scx_sched *sch kernel/sched/ext.c:2990:33: sparse: got struct scx_sched [noderef] __rcu *[addressable] [toplevel] scx_root >> kernel/sched/ext.c:3403:62: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct scx_sched *sch @@ got struct scx_sched [noderef] __rcu *scx_sched @@ kernel/sched/ext.c:3403:62: sparse: expected struct scx_sched *sch kernel/sched/ext.c:3403:62: sparse: got struct scx_sched [noderef] __rcu *scx_sched kernel/sched/ext.c:3580:35: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/ext.c:3580:35: sparse: expected struct task_struct *p kernel/sched/ext.c:3580:35: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/ext.c:3613:33: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct scx_sched *sch @@ got struct scx_sched [noderef] __rcu *[addressable] [toplevel] scx_root @@ kernel/sched/ext.c:3613:33: sparse: expected struct scx_sched *sch kernel/sched/ext.c:3613:33: sparse: got struct scx_sched [noderef] __rcu *[addressable] [toplevel] scx_root kernel/sched/ext.c:3642:33: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct scx_sched *sch @@ got struct scx_sched [noderef] __rcu *[addressable] [toplevel] scx_root @@ kernel/sched/ext.c:3642:33: sparse: expected struct scx_sched *sch kernel/sched/ext.c:3642:33: sparse: got struct scx_sched [noderef] __rcu *[addressable] [toplevel] scx_root kernel/sched/ext.c:3655:33: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct scx_sched *sch @@ got struct scx_sched [noderef] __rcu *[addressable] [toplevel] scx_root @@ kernel/sched/ext.c:3655:33: sparse: expected struct scx_sched *sch kernel/sched/ext.c:3655:33: sparse: got struct scx_sched [noderef] __rcu *[addressable] [toplevel] scx_root kernel/sched/ext.c:3704:33: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct scx_sched *sch @@ got struct scx_sched [noderef] __rcu *[addressable] [toplevel] scx_root @@ kernel/sched/ext.c:3704:33: sparse: expected struct scx_sched *sch kernel/sched/ext.c:3704:33: sparse: got struct scx_sched [noderef] __rcu *[addressable] [toplevel] scx_root kernel/sched/ext.c:3723:33: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct scx_sched *sch @@ got struct scx_sched [noderef] __rcu *[addressable] [toplevel] scx_root @@ kernel/sched/ext.c:3723:33: sparse: expected struct scx_sched *sch kernel/sched/ext.c:3723:33: sparse: got struct scx_sched [noderef] __rcu *[addressable] [toplevel] scx_root kernel/sched/ext.c:3741:33: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct scx_sched *sch @@ got struct scx_sched [noderef] __rcu *[addressable] [toplevel] scx_root @@ kernel/sched/ext.c:3741:33: sparse: expected struct scx_sched *sch kernel/sched/ext.c:3741:33: sparse: got struct scx_sched [noderef] __rcu *[addressable] [toplevel] scx_root kernel/sched/ext.c:3757:33: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct scx_sched *sch @@ got struct scx_sched [noderef] __rcu *[addressable] [toplevel] scx_root @@ kernel/sched/ext.c:3757:33: sparse: expected struct scx_sched *sch kernel/sched/ext.c:3757:33: sparse: got struct scx_sched [noderef] __rcu *[addressable] [toplevel] scx_root kernel/sched/ext.c:3774:33: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct scx_sched *sch @@ got struct scx_sched [noderef] __rcu *[addressable] [toplevel] scx_root @@ kernel/sched/ext.c:3774:33: sparse: expected struct scx_sched *sch kernel/sched/ext.c:3774:33: sparse: got struct scx_sched [noderef] __rcu *[addressable] [toplevel] scx_root kernel/sched/ext.c:4786:50: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct scx_kick_syncs **ksyncs @@ got struct scx_kick_syncs [noderef] __rcu ** @@ kernel/sched/ext.c:4786:50: sparse: expected struct scx_kick_syncs **ksyncs kernel/sched/ext.c:4786:50: sparse: got struct scx_kick_syncs [noderef] __rcu ** kernel/sched/ext.c:4789:27: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/ext.c:4789:27: sparse: struct scx_kick_syncs [noderef] __rcu * kernel/sched/ext.c:4789:27: sparse: struct scx_kick_syncs * kernel/sched/ext.c:4789:27: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/ext.c:4789:27: sparse: struct scx_kick_syncs [noderef] __rcu * kernel/sched/ext.c:4789:27: sparse: struct scx_kick_syncs * kernel/sched/ext.c:5506:65: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct task_struct const *p @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/ext.c:5506:65: sparse: expected struct task_struct const *p kernel/sched/ext.c:5506:65: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/ext.c:5507:57: sparse: sparse: incorrect type in argument 4 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/ext.c:5507:57: sparse: expected struct task_struct *p kernel/sched/ext.c:5507:57: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/ext.c:5587:50: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct scx_kick_syncs **ksyncs @@ got struct scx_kick_syncs [noderef] __rcu ** @@ kernel/sched/ext.c:5587:50: sparse: expected struct scx_kick_syncs **ksyncs kernel/sched/ext.c:5587:50: sparse: got struct scx_kick_syncs [noderef] __rcu ** kernel/sched/ext.c:5590:17: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/ext.c:5590:17: sparse: struct scx_kick_syncs [noderef] __rcu * kernel/sched/ext.c:5590:17: sparse: struct scx_kick_syncs * kernel/sched/ext.c:5599:17: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/ext.c:5599:17: sparse: struct scx_kick_syncs [noderef] __rcu * kernel/sched/ext.c:5599:17: sparse: struct scx_kick_syncs * kernel/sched/ext.c:6059:40: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct scx_sched *parent @@ got struct scx_sched [noderef] __rcu *scx_sched @@ kernel/sched/ext.c:6059:40: sparse: expected struct scx_sched *parent kernel/sched/ext.c:6059:40: sparse: got struct scx_sched [noderef] __rcu *scx_sched kernel/sched/ext.c:6344:38: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct scx_sched *sch @@ got struct scx_sched [noderef] __rcu *scx_sched @@ kernel/sched/ext.c:6344:38: sparse: expected struct scx_sched *sch kernel/sched/ext.c:6344:38: sparse: got struct scx_sched [noderef] __rcu *scx_sched kernel/sched/ext.c:6734:32: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct const *p @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/ext.c:6734:32: sparse: expected struct task_struct const *p kernel/sched/ext.c:6734:32: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/ext.c:6861:33: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct scx_sched *sch @@ got struct scx_sched [noderef] __rcu *[addressable] [assigned] [toplevel] scx_root @@ kernel/sched/ext.c:6861:33: sparse: expected struct scx_sched *sch kernel/sched/ext.c:6861:33: sparse: got struct scx_sched [noderef] __rcu *[addressable] [assigned] [toplevel] scx_root kernel/sched/ext.c:8175:18: sparse: sparse: symbol 'scx_bpf_reenqueue_local___v2' was not declared. Should it be static? kernel/sched/ext.c:8352:33: sparse: sparse: incompatible types in comparison expression (different address spaces): vim +3403 kernel/sched/ext.c 3394 3395 int scx_fork(struct task_struct *p, struct kernel_clone_args *kargs) 3396 { 3397 s32 ret; 3398 3399 percpu_rwsem_assert_held(&scx_fork_rwsem); 3400 3401 if (scx_init_task_enabled) { 3402 #ifdef CONFIG_EXT_SUB_SCHED > 3403 struct scx_sched *sch = kargs->cset->dfl_cgrp->scx_sched; 3404 #else 3405 struct scx_sched *sch = scx_root; 3406 #endif 3407 ret = scx_init_task(sch, p, true); 3408 if (!ret) 3409 scx_set_task_sched(p, sch); 3410 return ret; 3411 } 3412 3413 return 0; 3414 } 3415 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki