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765f4a05e27f with local (Exim 4.98.2) (envelope-from ) id 1vfbct-00000000EbS-3eum; Tue, 13 Jan 2026 10:27:51 +0000 Date: Tue, 13 Jan 2026 18:27:19 +0800 From: kernel test robot To: Peter Zijlstra Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, Ingo Molnar Subject: kernel/sched/core.c:881:49: sparse: sparse: incorrect type in argument 2 (different address spaces) Message-ID: <202601131800.QPUyjQNY-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: e38e5299747b23015b00b0109891815db44a2f30 sched/hrtick: Fix hrtick() vs. scheduling context date: 5 weeks ago config: arm64-randconfig-r121-20260113 (https://download.01.org/0day-ci/archive/20260113/202601131800.QPUyjQNY-lkp@intel.com/config) compiler: aarch64-linux-gcc (GCC) 8.5.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260113/202601131800.QPUyjQNY-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/202601131800.QPUyjQNY-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) kernel/sched/core.c:805:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *task @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/core.c:805:33: sparse: expected struct task_struct *task kernel/sched/core.c:805:33: sparse: got struct task_struct [noderef] __rcu *curr >> kernel/sched/core.c:881:49: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *donor @@ kernel/sched/core.c:881:49: sparse: expected struct task_struct *p kernel/sched/core.c:881:49: sparse: got struct task_struct [noderef] __rcu *donor kernel/sched/core.c:1101:38: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct task_struct *curr @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/core.c:1101:38: sparse: expected struct task_struct *curr kernel/sched/core.c:1101:38: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/core.c:2175:39: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct task_struct *donor @@ got struct task_struct [noderef] __rcu *donor @@ kernel/sched/core.c:2175:39: sparse: expected struct task_struct *donor kernel/sched/core.c:2175:39: sparse: got struct task_struct [noderef] __rcu *donor kernel/sched/core.c:2186:65: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *tsk @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/core.c:2186:65: sparse: expected struct task_struct *tsk kernel/sched/core.c:2186:65: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/core.c:3583:17: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] sd @@ got struct sched_domain [noderef] __rcu *parent @@ kernel/sched/core.c:3583:17: sparse: expected struct sched_domain *[assigned] sd kernel/sched/core.c:3583:17: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/core.c:3788:36: 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/core.c:3788:36: sparse: expected struct task_struct const *p kernel/sched/core.c:3788:36: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/core.c:8065:43: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct task_struct *push_task @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/core.c:8065:43: sparse: expected struct task_struct *push_task kernel/sched/core.c:8065:43: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/core.c:5512:15: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct task_struct *donor @@ got struct task_struct [noderef] __rcu *donor @@ kernel/sched/core.c:5512:15: sparse: expected struct task_struct *donor kernel/sched/core.c:5512:15: sparse: got struct task_struct [noderef] __rcu *donor kernel/sched/core.c:6730:14: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct task_struct *prev @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/core.c:6730:14: sparse: expected struct task_struct *prev kernel/sched/core.c:6730:14: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/core.c:6797:37: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct task_struct *prev @@ got struct task_struct [noderef] __rcu *donor @@ kernel/sched/core.c:6797:37: sparse: expected struct task_struct *prev kernel/sched/core.c:6797:37: sparse: got struct task_struct [noderef] __rcu *donor kernel/sched/core.c:7303:17: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/core.c:7303:17: sparse: struct task_struct * kernel/sched/core.c:7303:17: sparse: struct task_struct [noderef] __rcu * kernel/sched/core.c:10207:25: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/core.c:10207:25: sparse: expected struct task_struct *p kernel/sched/core.c:10207:25: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/core.c:632:6: sparse: sparse: context imbalance in 'raw_spin_rq_lock_nested' - wrong count at exit kernel/sched/core.c:657:6: sparse: sparse: context imbalance in 'raw_spin_rq_trylock' - wrong count at exit kernel/sched/core.c:681:6: sparse: sparse: context imbalance in 'raw_spin_rq_unlock' - unexpected unlock kernel/sched/core.c:717:36: sparse: sparse: context imbalance in '__task_rq_lock' - wrong count at exit kernel/sched/core.c:758:36: sparse: sparse: context imbalance in 'task_rq_lock' - wrong count at exit kernel/sched/core.c: note: in included file: kernel/sched/pelt.h:102:13: 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/pelt.h:102:13: sparse: expected struct task_struct const *p kernel/sched/pelt.h:102:13: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/core.c:881:11: sparse: sparse: dereference of noderef expression kernel/sched/core.c:2256:35: sparse: sparse: context imbalance in 'wait_task_inactive' - different lock contexts for basic block kernel/sched/core.c: note: in included file: kernel/sched/sched.h:2302:26: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2302:26: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2302:26: sparse: struct task_struct * kernel/sched/sched.h:2291:25: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2291:25: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2291:25: sparse: struct task_struct * kernel/sched/core.c:2170:38: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/core.c:2170:38: sparse: struct task_struct [noderef] __rcu * kernel/sched/core.c:2170:38: sparse: struct task_struct const * kernel/sched/sched.h:2302:26: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2302:26: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2302:26: sparse: struct task_struct * kernel/sched/sched.h:2635:9: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2635:9: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2635:9: sparse: struct task_struct * kernel/sched/sched.h:2635:9: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2635:9: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2635:9: sparse: struct task_struct * kernel/sched/sched.h:2635:9: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2635:9: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2635:9: sparse: struct task_struct * kernel/sched/sched.h:2635:9: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2635:9: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2635:9: sparse: struct task_struct * kernel/sched/sched.h:2635:9: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2635:9: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2635:9: sparse: struct task_struct * kernel/sched/sched.h:2302:26: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2302:26: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2302:26: sparse: struct task_struct * kernel/sched/sched.h:2302:26: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2302:26: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2302:26: sparse: struct task_struct * kernel/sched/sched.h:2302:26: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2302:26: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2302:26: sparse: struct task_struct * kernel/sched/sched.h:2612:9: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2612:9: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2612:9: sparse: struct task_struct * vim +881 kernel/sched/core.c 867 868 /* 869 * High-resolution timer tick. 870 * Runs from hardirq context with interrupts disabled. 871 */ 872 static enum hrtimer_restart hrtick(struct hrtimer *timer) 873 { 874 struct rq *rq = container_of(timer, struct rq, hrtick_timer); 875 struct rq_flags rf; 876 877 WARN_ON_ONCE(cpu_of(rq) != smp_processor_id()); 878 879 rq_lock(rq, &rf); 880 update_rq_clock(rq); > 881 rq->donor->sched_class->task_tick(rq, rq->donor, 1); 882 rq_unlock(rq, &rf); 883 884 return HRTIMER_NORESTART; 885 } 886 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki