From: kernel test robot <lkp@intel.com>
To: "Peter Zijlstra (Intel)" <peterz@infradead.org>
Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org
Subject: kernel/sched/fair.c:2004:38: sparse: sparse: incorrect type in initializer (different address spaces)
Date: Thu, 20 Aug 2026 12:58:07 +0800 [thread overview]
Message-ID: <202608201214.QpYw7L8N-lkp@intel.com> (raw)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: cb8a75eec0877810b50aa1c5a833f929525cd2ee
commit: 85570f10a4c61372c1d437365b9d8dbad512ec6f sched/eevdf: Move to a single runqueue
date: 7 weeks ago
config: microblaze-randconfig-r112-20260820 (https://download.01.org/0day-ci/archive/20260820/202608201214.QpYw7L8N-lkp@intel.com/config)
compiler: microblaze-linux-gcc (GCC) 11.5.0
sparse: v0.6.5-rc1
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260820/202608201214.QpYw7L8N-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: 85570f10a4c6 ("sched/eevdf: Move to a single runqueue")
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202608201214.QpYw7L8N-lkp@intel.com/
sparse warnings: (new ones prefixed by >>)
kernel/sched/fair.c:1335:49: 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:1335:49: sparse: expected struct task_struct *running
kernel/sched/fair.c:1335:49: sparse: got struct task_struct [noderef] __rcu *curr
kernel/sched/fair.c:1945:33: 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:1945:33: sparse: expected struct sched_entity *se
kernel/sched/fair.c:1945:33: sparse: got struct sched_entity [noderef] __rcu *
>> kernel/sched/fair.c:2004:38: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct sched_entity *se @@ got struct sched_entity [noderef] __rcu * @@
kernel/sched/fair.c:2004:38: sparse: expected struct sched_entity *se
kernel/sched/fair.c:2004:38: sparse: got struct sched_entity [noderef] __rcu *
kernel/sched/fair.c:14433:9: 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:14433:9: sparse: expected struct sched_domain *[assigned] sd
kernel/sched/fair.c:14433:9: sparse: got struct sched_domain [noderef] __rcu *parent
kernel/sched/fair.c:7744:39: 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:7744:39: sparse: expected struct task_struct *donor
kernel/sched/fair.c:7744:39: sparse: got struct task_struct [noderef] __rcu *donor
kernel/sched/fair.c:9440:20: 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:9440:20: sparse: expected struct sched_domain *[assigned] sd
kernel/sched/fair.c:9440:20: sparse: got struct sched_domain [noderef] __rcu *parent
kernel/sched/fair.c:9635:9: 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:9635:9: sparse: expected struct sched_domain *[assigned] tmp
kernel/sched/fair.c:9635:9: sparse: got struct sched_domain [noderef] __rcu *parent
kernel/sched/fair.c:9809:39: 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:9809:39: sparse: expected struct task_struct *donor
kernel/sched/fair.c:9809:39: sparse: got struct task_struct [noderef] __rcu *donor
kernel/sched/fair.c:9843:37: 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:9843:37: sparse: expected struct task_struct *tsk
kernel/sched/fair.c:9843:37: sparse: got struct task_struct [noderef] __rcu *curr
kernel/sched/fair.c:10045:38: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct task_struct *curr @@ got struct task_struct [noderef] __rcu *donor @@
kernel/sched/fair.c:10045:38: sparse: expected struct task_struct *curr
kernel/sched/fair.c:10045:38: sparse: got struct task_struct [noderef] __rcu *donor
kernel/sched/fair.c:11385:40: 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:11385:40: sparse: expected struct sched_domain *child
kernel/sched/fair.c:11385:40: sparse: got struct sched_domain [noderef] __rcu *child
kernel/sched/fair.c:12151:22: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/fair.c:12151:22: sparse: struct task_struct [noderef] __rcu *
kernel/sched/fair.c:12151:22: sparse: struct task_struct *
kernel/sched/fair.c:13669:9: 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:13669:9: sparse: expected struct sched_domain *[assigned] sd
kernel/sched/fair.c:13669:9: sparse: got struct sched_domain [noderef] __rcu *parent
kernel/sched/fair.c:13300:44: 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:13300:44: sparse: expected struct sched_domain *sd_parent
kernel/sched/fair.c:13300:44: sparse: got struct sched_domain [noderef] __rcu *parent
kernel/sched/fair.c:13805:9: 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:13805:9: sparse: expected struct sched_domain *[assigned] sd
kernel/sched/fair.c:13805:9: sparse: got struct sched_domain [noderef] __rcu *parent
kernel/sched/fair.c:7644:35: sparse: sparse: marked inline, but without a definition
kernel/sched/fair.c: note: in included file:
kernel/sched/sched.h:2465:26: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2465:26: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2465:26: sparse: struct task_struct *
kernel/sched/sched.h:1426:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:1426:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:1426:25: sparse: struct task_struct *
kernel/sched/sched.h:1426:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:1426:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:1426:25: sparse: struct task_struct *
kernel/sched/sched.h:1426:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:1426:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:1426:25: sparse: struct task_struct *
kernel/sched/sched.h:1426:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:1426:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:1426:25: sparse: struct task_struct *
kernel/sched/sched.h:1426:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:1426:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:1426:25: sparse: struct task_struct *
kernel/sched/sched.h:1426:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:1426:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:1426:25: sparse: struct task_struct *
kernel/sched/sched.h:1426:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:1426:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:1426:25: sparse: struct task_struct *
kernel/sched/sched.h:2465:26: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2465:26: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2465:26: sparse: struct task_struct *
kernel/sched/sched.h:2454:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2454:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2454:25: sparse: struct task_struct *
kernel/sched/sched.h:2465:26: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2465:26: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2465:26: sparse: struct task_struct *
kernel/sched/sched.h:2465:26: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2465:26: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2465:26: sparse: struct task_struct *
kernel/sched/sched.h:2465:26: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2465:26: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2465:26: sparse: struct task_struct *
vim +2004 kernel/sched/fair.c
2001
2002 static void update_curr_fair(struct rq *rq)
2003 {
> 2004 struct sched_entity *se = &rq->donor->se;
2005
2006 for_each_sched_entity(se)
2007 update_curr(cfs_rq_of(se));
2008 }
2009
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
reply other threads:[~2026-08-20 4:59 UTC|newest]
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