* kernel/sched/ext.c:3403:62: sparse: sparse: incorrect type in initializer (different address spaces)
@ 2026-05-04 6:48 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2026-05-04 6:48 UTC (permalink / raw)
To: Tejun Heo; +Cc: oe-kbuild-all, linux-kernel, Andrea Righi
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 <lkp@intel.com>
| 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
--
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https://github.com/intel/lkp-tests/wiki
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