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orviesa009.jf.intel.com with ESMTP; 15 Feb 2026 22:31:24 -0800 Received: from kbuild by 765f4a05e27f with local (Exim 4.98.2) (envelope-from ) id 1vrs8f-00000000zRs-3PGK; Mon, 16 Feb 2026 06:31:21 +0000 Date: Mon, 16 Feb 2026 14:30:26 +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/deadline.c:2703:23: sparse: sparse: incorrect type in argument 1 (different address spaces) Message-ID: <202602161456.uWPO6NT7-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-063-20260216 (https://download.01.org/0day-ci/archive/20260216/202602161456.uWPO6NT7-lkp@intel.com/config) compiler: gcc-14 (Debian 14.2.0-19) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260216/202602161456.uWPO6NT7-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/202602161456.uWPO6NT7-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) kernel/sched/build_policy.c: note: in included file: kernel/sched/rt.c:2336:25: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/rt.c:2336:25: sparse: struct task_struct * kernel/sched/rt.c:2336:25: sparse: struct task_struct [noderef] __rcu * kernel/sched/rt.c:991:39: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct task_struct *donor @@ got struct task_struct [noderef] __rcu *donor @@ kernel/sched/rt.c:991:39: sparse: expected struct task_struct *donor kernel/sched/rt.c:991:39: sparse: got struct task_struct [noderef] __rcu *donor kernel/sched/rt.c:1529:31: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/rt.c:1529:31: sparse: expected struct task_struct *p kernel/sched/rt.c:1529:31: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/rt.c:1849:9: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] sd @@ got struct sched_domain [noderef] __rcu *parent @@ kernel/sched/rt.c:1849:9: sparse: expected struct sched_domain *[assigned] sd kernel/sched/rt.c:1849:9: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/rt.c:1549:14: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct task_struct *curr @@ got struct task_struct [noderef] __rcu * @@ kernel/sched/rt.c:1549:14: sparse: expected struct task_struct *curr kernel/sched/rt.c:1549:14: sparse: got struct task_struct [noderef] __rcu * kernel/sched/rt.c:1550:15: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct task_struct *donor @@ got struct task_struct [noderef] __rcu * @@ kernel/sched/rt.c:1550:15: sparse: expected struct task_struct *donor kernel/sched/rt.c:1550:15: sparse: got struct task_struct [noderef] __rcu * kernel/sched/rt.c:1611:45: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *donor @@ kernel/sched/rt.c:1611:45: sparse: expected struct task_struct *p kernel/sched/rt.c:1611:45: sparse: got struct task_struct [noderef] __rcu *donor kernel/sched/rt.c:1654:39: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct task_struct *donor @@ got struct task_struct [noderef] __rcu *donor @@ kernel/sched/rt.c:1654:39: sparse: expected struct task_struct *donor kernel/sched/rt.c:1654:39: sparse: got struct task_struct [noderef] __rcu *donor kernel/sched/rt.c:1674:64: 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:1674:64: sparse: expected struct task_struct *tsk kernel/sched/rt.c:1674:64: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/rt.c:2018:40: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *task @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/rt.c:2018:40: sparse: expected struct task_struct *task kernel/sched/rt.c:2018:40: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/rt.c:2041:13: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/rt.c:2041:13: sparse: struct task_struct * kernel/sched/rt.c:2041:13: sparse: struct task_struct [noderef] __rcu * kernel/sched/rt.c:2387:54: 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:2387:54: sparse: expected struct task_struct *tsk kernel/sched/rt.c:2387:54: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/rt.c:2389:40: 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:2389:40: sparse: expected struct task_struct *p kernel/sched/rt.c:2389:40: sparse: got struct task_struct [noderef] __rcu *donor kernel/sched/rt.c:2389:62: 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:2389:62: sparse: expected struct task_struct *p kernel/sched/rt.c:2389:62: sparse: got struct task_struct [noderef] __rcu *donor kernel/sched/build_policy.c: note: in included file: >> kernel/sched/deadline.c:2703:23: 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:2703:23: sparse: expected struct task_struct *p kernel/sched/deadline.c:2703:23: sparse: got struct task_struct [noderef] __rcu *donor kernel/sched/deadline.c:2713:13: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/deadline.c:2713:13: sparse: struct task_struct * kernel/sched/deadline.c:2713:13: sparse: struct task_struct [noderef] __rcu * kernel/sched/deadline.c:2819:25: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/deadline.c:2819:25: sparse: struct task_struct * kernel/sched/deadline.c:2819:25: sparse: struct task_struct [noderef] __rcu * kernel/sched/deadline.c:2342:42: 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:2342:42: sparse: expected struct sched_dl_entity const *b kernel/sched/deadline.c:2342:42: sparse: got struct sched_dl_entity [noderef] __rcu * kernel/sched/deadline.c:2353:38: 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:2353:38: sparse: expected struct task_struct *tsk kernel/sched/deadline.c:2353:38: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/deadline.c:1242:39: 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:1242:39: sparse: expected struct task_struct *p kernel/sched/deadline.c:1242:39: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/deadline.c:1242:85: 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:1242:85: sparse: expected struct sched_dl_entity const *b kernel/sched/deadline.c:1242:85: sparse: got struct sched_dl_entity [noderef] __rcu * kernel/sched/deadline.c:1342:23: 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:1342:23: sparse: expected struct task_struct *p kernel/sched/deadline.c:1342:23: sparse: got struct task_struct [noderef] __rcu *donor kernel/sched/deadline.c:1651:31: 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:1651:31: sparse: expected struct task_struct *p kernel/sched/deadline.c:1651:31: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/deadline.c:1651:70: 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:1651:70: sparse: expected struct sched_dl_entity const *b kernel/sched/deadline.c:1651:70: sparse: got struct sched_dl_entity [noderef] __rcu * kernel/sched/deadline.c:1739:39: 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:1739:39: sparse: expected struct task_struct *donor kernel/sched/deadline.c:1739:39: sparse: got struct task_struct [noderef] __rcu *donor kernel/sched/deadline.c:2564:9: 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:2564:9: sparse: expected struct sched_domain *[assigned] sd kernel/sched/deadline.c:2564:9: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/deadline.c:2226:14: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct task_struct *curr @@ got struct task_struct [noderef] __rcu * @@ kernel/sched/deadline.c:2226:14: sparse: expected struct task_struct *curr kernel/sched/deadline.c:2226:14: sparse: got struct task_struct [noderef] __rcu * kernel/sched/deadline.c:2227:15: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct task_struct *donor @@ got struct task_struct [noderef] __rcu * @@ kernel/sched/deadline.c:2227:15: sparse: expected struct task_struct *donor kernel/sched/deadline.c:2227:15: sparse: got struct task_struct [noderef] __rcu * kernel/sched/deadline.c:2303:43: 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:2303:43: sparse: expected struct task_struct *p kernel/sched/deadline.c:2303:43: sparse: got struct task_struct [noderef] __rcu *donor kernel/sched/deadline.c:2864:38: 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:2864:38: sparse: expected struct task_struct *tsk kernel/sched/deadline.c:2864:38: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/deadline.c:2866:23: 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:2866:23: sparse: expected struct task_struct *p kernel/sched/deadline.c:2866:23: sparse: got struct task_struct [noderef] __rcu *donor kernel/sched/deadline.c:2868:44: 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:2868:44: sparse: expected struct sched_dl_entity const *b kernel/sched/deadline.c:2868:44: sparse: got struct sched_dl_entity [noderef] __rcu * kernel/sched/deadline.c:3043:23: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/deadline.c:3043:23: sparse: struct task_struct [noderef] __rcu * kernel/sched/deadline.c:3043:23: sparse: struct task_struct * kernel/sched/deadline.c:3092:32: 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/syscalls.c:206:22: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/syscalls.c:206:22: sparse: struct task_struct [noderef] __rcu * kernel/sched/syscalls.c:206:22: sparse: struct task_struct * kernel/sched/build_policy.c: note: in included file: kernel/sched/sched.h:2276:25: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2276:25: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2276:25: sparse: struct task_struct * kernel/sched/sched.h:2276:25: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2276:25: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2276:25: 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:2276:25: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2276:25: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2276:25: 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:2276:25: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2276:25: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2276:25: sparse: struct task_struct * kernel/sched/sched.h:2276:25: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2276:25: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2276:25: 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 * kernel/sched/sched.h:2473:9: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2473:9: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2473:9: 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:2473:9: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2473:9: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2473:9: sparse: struct task_struct * kernel/sched/build_policy.c: note: in included file: kernel/sched/syscalls.c:1336:6: sparse: sparse: context imbalance in 'sched_getaffinity' - different lock contexts for basic block vim +2703 kernel/sched/deadline.c 2681 2682 /* 2683 * See if the non running -deadline tasks on this rq 2684 * can be sent to some other CPU where they can preempt 2685 * and start executing. 2686 */ 2687 static int push_dl_task(struct rq *rq) 2688 { 2689 struct task_struct *next_task; 2690 struct rq *later_rq; 2691 int ret = 0; 2692 2693 next_task = pick_next_pushable_dl_task(rq); 2694 if (!next_task) 2695 return 0; 2696 2697 retry: 2698 /* 2699 * If next_task preempts rq->curr, and rq->curr 2700 * can move away, it makes sense to just reschedule 2701 * without going further in pushing next_task. 2702 */ > 2703 if (dl_task(rq->donor) && 2704 dl_time_before(next_task->dl.deadline, rq->donor->dl.deadline) && 2705 rq->curr->nr_cpus_allowed > 1) { 2706 resched_curr(rq); 2707 return 0; 2708 } 2709 2710 if (is_migration_disabled(next_task)) 2711 return 0; 2712 2713 if (WARN_ON(next_task == rq->curr)) 2714 return 0; 2715 2716 /* We might release rq lock */ 2717 get_task_struct(next_task); 2718 2719 /* Will lock the rq it'll find */ 2720 later_rq = find_lock_later_rq(next_task, rq); 2721 if (!later_rq) { 2722 struct task_struct *task; 2723 2724 /* 2725 * We must check all this again, since 2726 * find_lock_later_rq releases rq->lock and it is 2727 * then possible that next_task has migrated. 2728 */ 2729 task = pick_next_pushable_dl_task(rq); 2730 if (task == next_task) { 2731 /* 2732 * The task is still there. We don't try 2733 * again, some other CPU will pull it when ready. 2734 */ 2735 goto out; 2736 } 2737 2738 if (!task) 2739 /* No more tasks */ 2740 goto out; 2741 2742 put_task_struct(next_task); 2743 next_task = task; 2744 goto retry; 2745 } 2746 2747 move_queued_task_locked(rq, later_rq, next_task); 2748 ret = 1; 2749 2750 resched_curr(later_rq); 2751 2752 double_unlock_balance(rq, later_rq); 2753 2754 out: 2755 put_task_struct(next_task); 2756 2757 return ret; 2758 } 2759 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki