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orviesa010.jf.intel.com with ESMTP; 10 Sep 2026 22:50:16 -0700 Received: from kbuild by 0a3643a6ed9d with local (Exim 4.98.2) (envelope-from ) id 1x4u8l-0000000016q-3LRp; Fri, 11 Sep 2026 05:49:45 +0000 Date: Fri, 11 Sep 2026 13:43:31 +0800 From: kernel test robot To: Thomas Gleixner Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, "Peter Zijlstra (Intel)" , Mathieu Desnoyers Subject: kernel/sched/core.c:10574:58: sparse: sparse: incorrect type in argument 1 (different address spaces) Message-ID: <202609111310.Pj9nrtAS-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: 08df884136f1c1197bab2a27814404fd329d9aac commit: fbd0e71dc370af73f6b316e4de9eed273dd90340 sched/mmcid: Provide CID ownership mode fixup functions date: 10 months ago config: x86_64-randconfig-121-20260910 (https://download.01.org/0day-ci/archive/20260911/202609111310.Pj9nrtAS-lkp@intel.com/config) compiler: gcc-14 (Debian 14.2.0-19) 14.2.0 sparse: v0.6.5-rc1 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260911/202609111310.Pj9nrtAS-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: fbd0e71dc370 ("sched/mmcid: Provide CID ownership mode fixup functions") | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202609111310.Pj9nrtAS-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) kernel/sched/core.c:880:49: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/core.c:880:49: sparse: expected struct task_struct *p kernel/sched/core.c:880:49: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/core.c:1100:38: 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:1100:38: sparse: expected struct task_struct *curr kernel/sched/core.c:1100:38: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/core.c:2203:39: 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:2203:39: sparse: expected struct task_struct *donor kernel/sched/core.c:2203:39: sparse: got struct task_struct [noderef] __rcu *donor kernel/sched/core.c:2214:65: 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:2214:65: sparse: expected struct task_struct *tsk kernel/sched/core.c:2214:65: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/core.c:3656:17: 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:3656:17: sparse: expected struct sched_domain *[assigned] sd kernel/sched/core.c:3656:17: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/core.c:3861:36: 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:3861:36: sparse: expected struct task_struct const *p kernel/sched/core.c:3861:36: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/core.c:8167:43: 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:8167:43: sparse: expected struct task_struct *push_task kernel/sched/core.c:8167:43: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/core.c:5585:15: 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:5585:15: sparse: expected struct task_struct *donor kernel/sched/core.c:5585:15: sparse: got struct task_struct [noderef] __rcu *donor kernel/sched/core.c:6799:14: 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:6799:14: sparse: expected struct task_struct *prev kernel/sched/core.c:6799:14: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/core.c:6865:37: 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:6865:37: sparse: expected struct task_struct *prev kernel/sched/core.c:6865:37: sparse: got struct task_struct [noderef] __rcu *donor kernel/sched/core.c:7372:17: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/core.c:7372:17: sparse: struct task_struct * kernel/sched/core.c:7372:17: sparse: struct task_struct [noderef] __rcu * kernel/sched/core.c:10322:25: 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:10322:25: sparse: expected struct task_struct *p kernel/sched/core.c:10322:25: sparse: got struct task_struct [noderef] __rcu *curr >> kernel/sched/core.c:10574:58: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *t @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/core.c:10574:58: sparse: expected struct task_struct *t kernel/sched/core.c:10574:58: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/core.c:10610:38: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/core.c:10610:38: sparse: struct task_struct [noderef] __rcu * kernel/sched/core.c:10610:38: sparse: struct task_struct * kernel/sched/core.c:631:6: sparse: sparse: context imbalance in 'raw_spin_rq_lock_nested' - wrong count at exit kernel/sched/core.c:656:6: sparse: sparse: context imbalance in 'raw_spin_rq_trylock' - wrong count at exit kernel/sched/core.c:680:6: sparse: sparse: context imbalance in 'raw_spin_rq_unlock' - unexpected unlock kernel/sched/core.c: note: in included file: kernel/sched/sched.h:1799:9: sparse: sparse: context imbalance in '__task_rq_lock' - wrong count at exit kernel/sched/sched.h:1799:9: 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:880:11: sparse: sparse: dereference of noderef expression kernel/sched/core.c:1579:13: sparse: sparse: context imbalance in 'uclamp_update_util_min_rt_default' - wrong count at exit kernel/sched/core.c:2284:35: sparse: sparse: context imbalance in 'wait_task_inactive' - different lock contexts for basic block kernel/sched/core.c:2678:6: sparse: sparse: context imbalance in 'set_cpus_allowed_common' - different lock contexts for basic block kernel/sched/core.c: note: in included file: kernel/sched/sched.h:2288:26: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2288:26: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2288:26: sparse: struct task_struct * kernel/sched/sched.h:2474:9: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2474:9: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2474:9: sparse: struct task_struct * kernel/sched/sched.h:2288:26: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2288:26: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2288:26: sparse: struct task_struct * kernel/sched/sched.h:2277:25: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2277:25: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2277:25: sparse: struct task_struct * kernel/sched/core.c:2167:38: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/core.c:2167:38: sparse: struct task_struct [noderef] __rcu * kernel/sched/core.c:2167:38: sparse: struct task_struct const * kernel/sched/sched.h:2288:26: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2288:26: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2288:26: sparse: struct task_struct * kernel/sched/sched.h:2497:9: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2497:9: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2497:9: sparse: struct task_struct * kernel/sched/sched.h:2497:9: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2497:9: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2497:9: sparse: struct task_struct * kernel/sched/sched.h:2288:26: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2288:26: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2288:26: sparse: struct task_struct * kernel/sched/sched.h:2288:26: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2288:26: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2288:26: sparse: struct task_struct * kernel/sched/sched.h:2288:26: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2288:26: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2288:26: sparse: struct task_struct * kernel/sched/sched.h:2474:9: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2474:9: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2474:9: sparse: struct task_struct * kernel/sched/sched.h:2288:26: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2288:26: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2288:26: sparse: struct task_struct * kernel/sched/sched.h:2474:9: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2474:9: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2474:9: sparse: struct task_struct * kernel/sched/core.c:10573:31: sparse: sparse: dereference of noderef expression kernel/sched/core.c:10573:53: sparse: sparse: dereference of noderef expression kernel/sched/core.c:10578:30: sparse: sparse: dereference of noderef expression kernel/sched/core.c:10578:52: sparse: sparse: dereference of noderef expression kernel/sched/core.c:10579:46: sparse: sparse: dereference of noderef expression kernel/sched/core.c:10584:35: sparse: sparse: dereference of noderef expression kernel/sched/core.c:10601:13: sparse: sparse: context imbalance in 'mm_cid_fixup_task_to_cpu' - wrong count at exit vim +10574 kernel/sched/core.c 10555 10556 static void __maybe_unused mm_cid_fixup_cpus_to_tasks(struct mm_struct *mm) 10557 { 10558 unsigned int cpu; 10559 10560 /* Walk the CPUs and fixup all stale CIDs */ 10561 for_each_possible_cpu(cpu) { 10562 struct mm_cid_pcpu *pcp = per_cpu_ptr(mm->mm_cid.pcpu, cpu); 10563 struct rq *rq = cpu_rq(cpu); 10564 10565 /* Remote access to mm::mm_cid::pcpu requires rq_lock */ 10566 guard(rq_lock_irq)(rq); 10567 /* Is the CID still owned by the CPU? */ 10568 if (cid_on_cpu(pcp->cid)) { 10569 /* 10570 * If rq->curr has @mm, transfer it with the 10571 * transition bit set. Otherwise drop it. 10572 */ 10573 if (rq->curr->mm == mm && rq->curr->mm_cid.active) 10574 mm_cid_transit_to_task(rq->curr, pcp); 10575 else 10576 mm_drop_cid_on_cpu(mm, pcp); 10577 10578 } else if (rq->curr->mm == mm && rq->curr->mm_cid.active) { 10579 unsigned int cid = rq->curr->mm_cid.cid; 10580 10581 /* Ensure it has the transition bit set */ 10582 if (!cid_in_transit(cid)) { 10583 cid = cid_to_transit_cid(cid); 10584 rq->curr->mm_cid.cid = cid; 10585 pcp->cid = cid; 10586 } 10587 } 10588 } 10589 /* Clear the transition bit */ 10590 WRITE_ONCE(mm->mm_cid.transit, 0); 10591 } 10592 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki