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Message-ID: <202512111313.abMq47zW-lkp@intel.com>
Date: Thu, 11 Dec 2025 13:18:40 +0800
From: kernel test robot <lkp@...el.com>
To: Ingo Molnar <mingo@...nel.org>
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org
Subject: kernel/sched/core.c:1191:9: sparse: sparse: incorrect type in
assignment (different address spaces)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 8c8081cc599fcafa25371d50959c17e154f9fd08
commit: cac5cefbade90ff0bb0b393d301fa3b5234cf056 sched/smp: Make SMP unconditional
date: 6 months ago
config: arm-randconfig-r111-20251211 (https://download.01.org/0day-ci/archive/20251211/202512111313.abMq47zW-lkp@intel.com/config)
compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project 6ec8c4351cfc1d0627d1633b02ea787bd29c77d8)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251211/202512111313.abMq47zW-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 <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202512111313.abMq47zW-lkp@intel.com/
sparse warnings: (new ones prefixed by >>)
kernel/sched/core.c:848:49: 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:848:49: sparse: expected struct task_struct *p
kernel/sched/core.c:848:49: sparse: got struct task_struct [noderef] __rcu *curr
kernel/sched/core.c:1091:38: 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:1091:38: sparse: expected struct task_struct *curr
kernel/sched/core.c:1091:38: sparse: got struct task_struct [noderef] __rcu *curr
>> kernel/sched/core.c:1191:9: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] sd @@ got struct sched_domain [noderef] __rcu *parent @@
kernel/sched/core.c:1191:9: sparse: expected struct sched_domain *[assigned] sd
kernel/sched/core.c:1191:9: sparse: got struct sched_domain [noderef] __rcu *parent
kernel/sched/core.c:2190:39: 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:2190:39: sparse: expected struct task_struct *donor
kernel/sched/core.c:2190:39: sparse: got struct task_struct [noderef] __rcu *donor
kernel/sched/core.c:2201:65: 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:2201:65: sparse: expected struct task_struct *tsk
kernel/sched/core.c:2201:65: sparse: got struct task_struct [noderef] __rcu *curr
kernel/sched/core.c:3677:17: 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:3677:17: sparse: expected struct sched_domain *[assigned] sd
kernel/sched/core.c:3677:17: sparse: got struct sched_domain [noderef] __rcu *parent
kernel/sched/core.c:3882:36: 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:3882:36: sparse: expected struct task_struct const *p
kernel/sched/core.c:3882:36: sparse: got struct task_struct [noderef] __rcu *curr
kernel/sched/core.c:5612:15: 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:5612:15: sparse: expected struct task_struct *donor
kernel/sched/core.c:5612:15: sparse: got struct task_struct [noderef] __rcu *donor
kernel/sched/core.c:6626:14: 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:6626:14: sparse: expected struct task_struct *prev
kernel/sched/core.c:6626:14: sparse: got struct task_struct [noderef] __rcu *curr
kernel/sched/core.c:7175:17: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/core.c:7175:17: sparse: struct task_struct *
kernel/sched/core.c:7175:17: sparse: struct task_struct [noderef] __rcu *
kernel/sched/core.c:10092:25: 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:10092:25: sparse: expected struct task_struct *p
kernel/sched/core.c:10092:25: sparse: got struct task_struct [noderef] __rcu *curr
kernel/sched/core.c:599:6: sparse: sparse: context imbalance in 'raw_spin_rq_lock_nested' - wrong count at exit
kernel/sched/core.c:632:23: sparse: sparse: context imbalance in 'raw_spin_rq_trylock' - wrong count at exit
kernel/sched/core.c:648:6: sparse: sparse: context imbalance in 'raw_spin_rq_unlock' - unexpected unlock
kernel/sched/core.c:684:36: sparse: sparse: context imbalance in '__task_rq_lock' - wrong count at exit
kernel/sched/core.c:725:36: 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:848:11: sparse: sparse: dereference of noderef expression
kernel/sched/core.c: note: in included file:
kernel/sched/sched.h:2239:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2239:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2239:25: sparse: struct task_struct *
kernel/sched/sched.h:2239:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2239:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2239:25: sparse: struct task_struct *
kernel/sched/sched.h:2239:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2239:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2239:25: sparse: struct task_struct *
kernel/sched/sched.h:2250:26: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2250:26: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2250:26: sparse: struct task_struct *
kernel/sched/sched.h:2437:9: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2437:9: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2437:9: sparse: struct task_struct *
kernel/sched/sched.h:2239:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2239:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2239:25: sparse: struct task_struct *
kernel/sched/core.c:2154:38: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/core.c:2154:38: sparse: struct task_struct [noderef] __rcu *
kernel/sched/core.c:2154:38: sparse: struct task_struct const *
kernel/sched/sched.h:2239:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2239:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2239:25: sparse: struct task_struct *
kernel/sched/sched.h:2250:26: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2250:26: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2250:26: sparse: struct task_struct *
kernel/sched/sched.h:2460:9: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2460:9: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2460:9: sparse: struct task_struct *
kernel/sched/sched.h:2460:9: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2460:9: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2460:9: sparse: struct task_struct *
kernel/sched/sched.h:2250:26: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2250:26: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2250:26: sparse: struct task_struct *
kernel/sched/sched.h:2437:9: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2437:9: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2437:9: sparse: struct task_struct *
kernel/sched/sched.h:2250:26: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2250:26: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2250:26: sparse: struct task_struct *
kernel/sched/sched.h:2437:9: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2437:9: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2437:9: sparse: struct task_struct *
--
kernel/sched/fair.c:1196:39: 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:1196:39: sparse: expected struct task_struct *donor
kernel/sched/fair.c:1196:39: sparse: got struct task_struct [noderef] __rcu *donor
kernel/sched/fair.c:1259:34: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct sched_entity const *se @@ got struct sched_entity [noderef] __rcu * @@
kernel/sched/fair.c:1259:34: sparse: expected struct sched_entity const *se
kernel/sched/fair.c:1259:34: sparse: got struct sched_entity [noderef] __rcu *
kernel/sched/fair.c:12755:9: 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:12755:9: sparse: expected struct sched_domain *[assigned] sd
kernel/sched/fair.c:12755:9: sparse: got struct sched_domain [noderef] __rcu *parent
kernel/sched/fair.c:6731:39: 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:6731:39: sparse: expected struct task_struct *donor
kernel/sched/fair.c:6731:39: sparse: got struct task_struct [noderef] __rcu *donor
kernel/sched/fair.c:6936:58: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *curr @@
kernel/sched/fair.c:6936:58: sparse: expected struct task_struct *p
kernel/sched/fair.c:6936:58: sparse: got struct task_struct [noderef] __rcu *curr
kernel/sched/fair.c:8322:20: 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:8322:20: sparse: expected struct sched_domain *[assigned] sd
kernel/sched/fair.c:8322:20: sparse: got struct sched_domain [noderef] __rcu *parent
>> kernel/sched/fair.c:8526:9: 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:8526:9: sparse: expected struct sched_domain *[assigned] tmp
kernel/sched/fair.c:8526:9: sparse: got struct sched_domain [noderef] __rcu *parent
kernel/sched/fair.c:8668:39: 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:8668:39: sparse: expected struct task_struct *donor
kernel/sched/fair.c:8668:39: sparse: got struct task_struct [noderef] __rcu *donor
kernel/sched/fair.c:8699:37: 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:8699:37: sparse: expected struct task_struct *tsk
kernel/sched/fair.c:8699:37: sparse: got struct task_struct [noderef] __rcu *curr
kernel/sched/fair.c:8917:38: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct task_struct *curr @@ got struct task_struct [noderef] __rcu *curr @@
kernel/sched/fair.c:8917:38: sparse: expected struct task_struct *curr
kernel/sched/fair.c:8917:38: sparse: got struct task_struct [noderef] __rcu *curr
>> kernel/sched/fair.c:9934:40: 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:9934:40: sparse: expected struct sched_domain *child
kernel/sched/fair.c:9934:40: sparse: got struct sched_domain [noderef] __rcu *child
>> kernel/sched/fair.c:10562:22: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/fair.c:10562:22: sparse: struct task_struct [noderef] __rcu *
kernel/sched/fair.c:10562:22: sparse: struct task_struct *
kernel/sched/fair.c:12007:9: 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:12007:9: sparse: expected struct sched_domain *[assigned] sd
kernel/sched/fair.c:12007:9: sparse: got struct sched_domain [noderef] __rcu *parent
>> kernel/sched/fair.c:11657:44: 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:11657:44: sparse: expected struct sched_domain *sd_parent
kernel/sched/fair.c:11657:44: sparse: got struct sched_domain [noderef] __rcu *parent
kernel/sched/fair.c:12116:9: 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:12116:9: sparse: expected struct sched_domain *[assigned] sd
kernel/sched/fair.c:12116:9: sparse: got struct sched_domain [noderef] __rcu *parent
kernel/sched/fair.c:6653:35: sparse: sparse: marked inline, but without a definition
kernel/sched/fair.c: note: in included file:
kernel/sched/sched.h:2250:26: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2250:26: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2250:26: sparse: struct task_struct *
kernel/sched/sched.h:2460:9: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2460:9: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2460:9: sparse: struct task_struct *
kernel/sched/sched.h:2239:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2239:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2239:25: sparse: struct task_struct *
kernel/sched/sched.h:2250:26: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2250:26: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2250:26: sparse: struct task_struct *
kernel/sched/sched.h:2250:26: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2250:26: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2250:26: sparse: struct task_struct *
--
kernel/sched/build_utility.c: note: in included file:
>> kernel/sched/debug.c:632:17: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] sd @@ got struct sched_domain [noderef] __rcu *parent @@
kernel/sched/debug.c:632:17: sparse: expected struct sched_domain *[assigned] sd
kernel/sched/debug.c:632:17: sparse: got struct sched_domain [noderef] __rcu *parent
kernel/sched/debug.c:964:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *tsk @@ got struct task_struct [noderef] __rcu *curr @@
kernel/sched/debug.c:964:9: sparse: expected struct task_struct *tsk
kernel/sched/debug.c:964:9: sparse: got struct task_struct [noderef] __rcu *curr
kernel/sched/debug.c:964:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *tsk @@ got struct task_struct [noderef] __rcu *curr @@
kernel/sched/debug.c:964:9: sparse: expected struct task_struct *tsk
kernel/sched/debug.c:964:9: sparse: got struct task_struct [noderef] __rcu *curr
kernel/sched/build_utility.c: note: in included file:
>> kernel/sched/topology.c:115:56: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct sched_domain *sd @@ got struct sched_domain [noderef] __rcu *child @@
kernel/sched/topology.c:115:56: sparse: expected struct sched_domain *sd
kernel/sched/topology.c:115:56: sparse: got struct sched_domain [noderef] __rcu *child
kernel/sched/topology.c:134:60: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct sched_domain *sd @@ got struct sched_domain [noderef] __rcu *parent @@
kernel/sched/topology.c:134:60: sparse: expected struct sched_domain *sd
kernel/sched/topology.c:134:60: sparse: got struct sched_domain [noderef] __rcu *parent
>> kernel/sched/topology.c:157:20: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *sd @@ got struct sched_domain [noderef] __rcu *parent @@
kernel/sched/topology.c:157:20: sparse: expected struct sched_domain *sd
kernel/sched/topology.c:157:20: sparse: got struct sched_domain [noderef] __rcu *parent
kernel/sched/topology.c:468:19: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct perf_domain *pd @@ got struct perf_domain [noderef] __rcu *pd @@
kernel/sched/topology.c:468:19: sparse: expected struct perf_domain *pd
kernel/sched/topology.c:468:19: sparse: got struct perf_domain [noderef] __rcu *pd
>> kernel/sched/topology.c:638:49: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct sched_domain *parent @@ got struct sched_domain [noderef] __rcu *parent @@
kernel/sched/topology.c:638:49: sparse: expected struct sched_domain *parent
kernel/sched/topology.c:638:49: sparse: got struct sched_domain [noderef] __rcu *parent
kernel/sched/topology.c:723:50: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct sched_domain *parent @@ got struct sched_domain [noderef] __rcu *parent @@
kernel/sched/topology.c:723:50: sparse: expected struct sched_domain *parent
kernel/sched/topology.c:723:50: sparse: got struct sched_domain [noderef] __rcu *parent
>> kernel/sched/topology.c:731:55: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain [noderef] __rcu *[noderef] __rcu child @@ got struct sched_domain *[assigned] tmp @@
kernel/sched/topology.c:731:55: sparse: expected struct sched_domain [noderef] __rcu *[noderef] __rcu child
kernel/sched/topology.c:731:55: sparse: got struct sched_domain *[assigned] tmp
kernel/sched/topology.c:744:29: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] tmp @@ got struct sched_domain [noderef] __rcu *parent @@
kernel/sched/topology.c:744:29: sparse: expected struct sched_domain *[assigned] tmp
kernel/sched/topology.c:744:29: sparse: got struct sched_domain [noderef] __rcu *parent
kernel/sched/topology.c:749:20: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *sd @@ got struct sched_domain [noderef] __rcu *parent @@
kernel/sched/topology.c:749:20: sparse: expected struct sched_domain *sd
kernel/sched/topology.c:749:20: sparse: got struct sched_domain [noderef] __rcu *parent
>> kernel/sched/topology.c:770:13: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] tmp @@ got struct sched_domain [noderef] __rcu *sd @@
kernel/sched/topology.c:770:13: sparse: expected struct sched_domain *[assigned] tmp
kernel/sched/topology.c:770:13: sparse: got struct sched_domain [noderef] __rcu *sd
kernel/sched/topology.c:932:70: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct sched_domain *sd @@ got struct sched_domain [noderef] __rcu *child @@
kernel/sched/topology.c:932:70: sparse: expected struct sched_domain *sd
kernel/sched/topology.c:932:70: sparse: got struct sched_domain [noderef] __rcu *child
kernel/sched/topology.c:961:59: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct sched_domain *sd @@ got struct sched_domain [noderef] __rcu *child @@
kernel/sched/topology.c:961:59: sparse: expected struct sched_domain *sd
kernel/sched/topology.c:961:59: sparse: got struct sched_domain [noderef] __rcu *child
kernel/sched/topology.c:1007:57: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct sched_domain *sd @@ got struct sched_domain [noderef] __rcu *child @@
kernel/sched/topology.c:1007:57: sparse: expected struct sched_domain *sd
kernel/sched/topology.c:1007:57: sparse: got struct sched_domain [noderef] __rcu *child
kernel/sched/topology.c:1009:25: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *sibling @@ got struct sched_domain [noderef] __rcu *child @@
kernel/sched/topology.c:1009:25: sparse: expected struct sched_domain *sibling
kernel/sched/topology.c:1009:25: sparse: got struct sched_domain [noderef] __rcu *child
kernel/sched/topology.c:1017:55: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct sched_domain *sd @@ got struct sched_domain [noderef] __rcu *child @@
kernel/sched/topology.c:1017:55: sparse: expected struct sched_domain *sd
kernel/sched/topology.c:1017:55: sparse: got struct sched_domain [noderef] __rcu *child
kernel/sched/topology.c:1019:25: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *sibling @@ got struct sched_domain [noderef] __rcu *child @@
kernel/sched/topology.c:1019:25: sparse: expected struct sched_domain *sibling
kernel/sched/topology.c:1019:25: sparse: got struct sched_domain [noderef] __rcu *child
kernel/sched/topology.c:1089:62: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct sched_domain *sd @@ got struct sched_domain [noderef] __rcu *child @@
kernel/sched/topology.c:1089:62: sparse: expected struct sched_domain *sd
kernel/sched/topology.c:1089:62: sparse: got struct sched_domain [noderef] __rcu *child
>> kernel/sched/topology.c:1193:40: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct sched_domain *child @@ got struct sched_domain [noderef] __rcu *child @@
kernel/sched/topology.c:1193:40: sparse: expected struct sched_domain *child
kernel/sched/topology.c:1193:40: sparse: got struct sched_domain [noderef] __rcu *child
>> kernel/sched/topology.c:1677:43: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct sched_domain [noderef] __rcu *child @@ got struct sched_domain *child @@
kernel/sched/topology.c:1677:43: sparse: expected struct sched_domain [noderef] __rcu *child
kernel/sched/topology.c:1677:43: sparse: got struct sched_domain *child
>> kernel/sched/topology.c:2372:31: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain [noderef] __rcu *parent @@ got struct sched_domain *sd @@
kernel/sched/topology.c:2372:31: sparse: expected struct sched_domain [noderef] __rcu *parent
kernel/sched/topology.c:2372:31: sparse: got struct sched_domain *sd
>> kernel/sched/topology.c:2491:57: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] sd @@ got struct sched_domain [noderef] __rcu *parent @@
kernel/sched/topology.c:2491:57: sparse: expected struct sched_domain *[assigned] sd
kernel/sched/topology.c:2491:57: sparse: got struct sched_domain [noderef] __rcu *parent
kernel/sched/topology.c:2512:56: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct sched_domain *child @@ got struct sched_domain [noderef] __rcu *child @@
kernel/sched/topology.c:2512:56: sparse: expected struct sched_domain *child
kernel/sched/topology.c:2512:56: sparse: got struct sched_domain [noderef] __rcu *child
kernel/sched/topology.c:2511:57: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] sd @@ got struct sched_domain [noderef] __rcu *parent @@
kernel/sched/topology.c:2511:57: sparse: expected struct sched_domain *[assigned] sd
kernel/sched/topology.c:2511:57: sparse: got struct sched_domain [noderef] __rcu *parent
kernel/sched/topology.c:2566:57: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] sd @@ got struct sched_domain [noderef] __rcu *parent @@
kernel/sched/topology.c:2566:57: sparse: expected struct sched_domain *[assigned] sd
kernel/sched/topology.c:2566:57: sparse: got struct sched_domain [noderef] __rcu *parent
kernel/sched/build_utility.c: note: in included file:
kernel/sched/sched.h:2239:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2239:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2239:25: sparse: struct task_struct *
--
kernel/sched/build_policy.c: note: in included file:
kernel/sched/rt.c:868:70: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/rt.c:868:70: sparse: struct task_struct [noderef] __rcu *
kernel/sched/rt.c:868:70: sparse: struct task_struct *
kernel/sched/rt.c:548:55: 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:548:55: sparse: expected struct task_struct *donor
kernel/sched/rt.c:548:55: sparse: got struct task_struct [noderef] __rcu *donor
kernel/sched/rt.c:1008:39: 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:1008:39: sparse: expected struct task_struct *donor
kernel/sched/rt.c:1008:39: sparse: got struct task_struct [noderef] __rcu *donor
kernel/sched/rt.c:1541:31: 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:1541:31: sparse: expected struct task_struct *p
kernel/sched/rt.c:1541:31: sparse: got struct task_struct [noderef] __rcu *curr
kernel/sched/rt.c:1666:39: 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:1666:39: sparse: expected struct task_struct *donor
kernel/sched/rt.c:1666:39: sparse: got struct task_struct [noderef] __rcu *donor
kernel/sched/build_policy.c: note: in included file:
kernel/sched/deadline.c:2634:23: 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:2634:23: sparse: expected struct task_struct *p
kernel/sched/deadline.c:2634:23: sparse: got struct task_struct [noderef] __rcu *donor
kernel/sched/deadline.c:2644:13: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/deadline.c:2644:13: sparse: struct task_struct *
kernel/sched/deadline.c:2644:13: sparse: struct task_struct [noderef] __rcu *
kernel/sched/deadline.c:2750:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/deadline.c:2750:25: sparse: struct task_struct *
kernel/sched/deadline.c:2750:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/deadline.c:2278:42: 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:2278:42: sparse: expected struct sched_dl_entity const *b
kernel/sched/deadline.c:2278:42: sparse: got struct sched_dl_entity [noderef] __rcu *
>> kernel/sched/deadline.c:2288:38: 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:2288:38: sparse: expected struct task_struct *tsk
kernel/sched/deadline.c:2288:38: sparse: got struct task_struct [noderef] __rcu *curr
kernel/sched/deadline.c:1197:39: 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:1197:39: sparse: expected struct task_struct *p
kernel/sched/deadline.c:1197:39: sparse: got struct task_struct [noderef] __rcu *curr
kernel/sched/deadline.c:1197:85: 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:1197:85: sparse: expected struct sched_dl_entity const *b
kernel/sched/deadline.c:1197:85: sparse: got struct sched_dl_entity [noderef] __rcu *
kernel/sched/deadline.c:1295:23: 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:1295:23: sparse: expected struct task_struct *p
kernel/sched/deadline.c:1295:23: sparse: got struct task_struct [noderef] __rcu *donor
kernel/sched/deadline.c:1604:31: 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:1604:31: sparse: expected struct task_struct *p
kernel/sched/deadline.c:1604:31: sparse: got struct task_struct [noderef] __rcu *curr
kernel/sched/deadline.c:1604:70: 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:1604:70: sparse: expected struct sched_dl_entity const *b
kernel/sched/deadline.c:1604:70: sparse: got struct sched_dl_entity [noderef] __rcu *
kernel/sched/deadline.c:1693:39: 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:1693:39: sparse: expected struct task_struct *donor
kernel/sched/deadline.c:1693:39: sparse: got struct task_struct [noderef] __rcu *donor
>> kernel/sched/deadline.c:2495:9: 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:2495:9: sparse: expected struct sched_domain *[assigned] sd
kernel/sched/deadline.c:2495:9: sparse: got struct sched_domain [noderef] __rcu *parent
>> kernel/sched/deadline.c:2164:14: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct task_struct *curr @@ got struct task_struct [noderef] __rcu * @@
kernel/sched/deadline.c:2164:14: sparse: expected struct task_struct *curr
kernel/sched/deadline.c:2164:14: sparse: got struct task_struct [noderef] __rcu *
kernel/sched/deadline.c:2165:15: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct task_struct *donor @@ got struct task_struct [noderef] __rcu * @@
kernel/sched/deadline.c:2165:15: sparse: expected struct task_struct *donor
kernel/sched/deadline.c:2165:15: sparse: got struct task_struct [noderef] __rcu *
kernel/sched/deadline.c:2240:43: 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:2240:43: sparse: expected struct task_struct *p
kernel/sched/deadline.c:2240:43: sparse: got struct task_struct [noderef] __rcu *donor
kernel/sched/deadline.c:2795:38: 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:2795:38: sparse: expected struct task_struct *tsk
kernel/sched/deadline.c:2795:38: sparse: got struct task_struct [noderef] __rcu *curr
kernel/sched/deadline.c:2797:23: 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:2797:23: sparse: expected struct task_struct *p
kernel/sched/deadline.c:2797:23: sparse: got struct task_struct [noderef] __rcu *donor
kernel/sched/deadline.c:2799:44: 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:2799:44: sparse: expected struct sched_dl_entity const *b
kernel/sched/deadline.c:2799:44: sparse: got struct sched_dl_entity [noderef] __rcu *
kernel/sched/deadline.c:2986:23: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/deadline.c:2986:23: sparse: struct task_struct [noderef] __rcu *
kernel/sched/deadline.c:2986:23: sparse: struct task_struct *
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:2239:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2239:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2239:25: sparse: struct task_struct *
kernel/sched/sched.h:2239:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2239:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2239:25: sparse: struct task_struct *
kernel/sched/sched.h:2250:26: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2250:26: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2250:26: sparse: struct task_struct *
kernel/sched/sched.h:2239:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2239:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2239:25: sparse: struct task_struct *
kernel/sched/sched.h:2239:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2239:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2239:25: sparse: struct task_struct *
kernel/sched/sched.h:2239:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2239:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2239:25: sparse: struct task_struct *
kernel/sched/sched.h:2239:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2239:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2239:25: sparse: struct task_struct *
kernel/sched/sched.h:2239:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2239:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2239:25: sparse: struct task_struct *
kernel/sched/sched.h:2250:26: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2250:26: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2250:26: sparse: struct task_struct *
kernel/sched/sched.h:2437:9: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2437:9: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2437:9: sparse: struct task_struct *
kernel/sched/sched.h:2250:26: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2250:26: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2250:26: sparse: struct task_struct *
kernel/sched/sched.h:2437:9: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2437:9: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2437:9: sparse: struct task_struct *
kernel/sched/build_policy.c: note: in included file:
kernel/sched/syscalls.c:1293:6: sparse: sparse: context imbalance in 'sched_getaffinity' - different lock contexts for basic block
kernel/sched/build_policy.c: note: in included file:
kernel/sched/sched.h:2239:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2239:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2239:25: sparse: struct task_struct *
vim +1191 kernel/sched/core.c
06d8308c61e543 kernel/sched.c Thomas Gleixner 2008-03-22 1165
3451d0243c3cdf kernel/sched/core.c Frederic Weisbecker 2011-08-10 1166 #ifdef CONFIG_NO_HZ_COMMON
83cd4fe27ad844 kernel/sched.c Venkatesh Pallipadi 2010-05-21 1167 /*
d1ccc66df8bfe3 kernel/sched/core.c Ingo Molnar 2017-02-01 1168 * In the semi idle case, use the nearest busy CPU for migrating timers
d1ccc66df8bfe3 kernel/sched/core.c Ingo Molnar 2017-02-01 1169 * from an idle CPU. This is good for power-savings.
83cd4fe27ad844 kernel/sched.c Venkatesh Pallipadi 2010-05-21 1170 *
83cd4fe27ad844 kernel/sched.c Venkatesh Pallipadi 2010-05-21 1171 * We don't do similar optimization for completely idle system, as
d1ccc66df8bfe3 kernel/sched/core.c Ingo Molnar 2017-02-01 1172 * selecting an idle CPU will add more delays to the timers than intended
d1ccc66df8bfe3 kernel/sched/core.c Ingo Molnar 2017-02-01 1173 * (as that CPU's timer base may not be up to date wrt jiffies etc).
83cd4fe27ad844 kernel/sched.c Venkatesh Pallipadi 2010-05-21 1174 */
bc7a34b8b9ebfb kernel/sched/core.c Thomas Gleixner 2015-05-26 1175 int get_nohz_timer_target(void)
83cd4fe27ad844 kernel/sched.c Venkatesh Pallipadi 2010-05-21 1176 {
e938b9c94164e4 kernel/sched/core.c Wanpeng Li 2020-01-13 1177 int i, cpu = smp_processor_id(), default_cpu = -1;
83cd4fe27ad844 kernel/sched.c Venkatesh Pallipadi 2010-05-21 1178 struct sched_domain *sd;
031e3bd8986fff kernel/sched/core.c Yuan ZhaoXiong 2021-06-06 1179 const struct cpumask *hk_mask;
83cd4fe27ad844 kernel/sched.c Venkatesh Pallipadi 2010-05-21 1180
c907cd44a108ef kernel/sched/core.c Waiman Long 2024-10-30 1181 if (housekeeping_cpu(cpu, HK_TYPE_KERNEL_NOISE)) {
e938b9c94164e4 kernel/sched/core.c Wanpeng Li 2020-01-13 1182 if (!idle_cpu(cpu))
6201b4d61fbf19 kernel/sched/core.c Viresh Kumar 2014-03-18 1183 return cpu;
e938b9c94164e4 kernel/sched/core.c Wanpeng Li 2020-01-13 1184 default_cpu = cpu;
e938b9c94164e4 kernel/sched/core.c Wanpeng Li 2020-01-13 1185 }
6201b4d61fbf19 kernel/sched/core.c Viresh Kumar 2014-03-18 1186
c907cd44a108ef kernel/sched/core.c Waiman Long 2024-10-30 1187 hk_mask = housekeeping_cpumask(HK_TYPE_KERNEL_NOISE);
031e3bd8986fff kernel/sched/core.c Yuan ZhaoXiong 2021-06-06 1188
7537b90c003675 kernel/sched/core.c Peter Zijlstra 2023-08-01 1189 guard(rcu)();
7537b90c003675 kernel/sched/core.c Peter Zijlstra 2023-08-01 1190
83cd4fe27ad844 kernel/sched.c Venkatesh Pallipadi 2010-05-21 @1191 for_each_domain(cpu, sd) {
031e3bd8986fff kernel/sched/core.c Yuan ZhaoXiong 2021-06-06 1192 for_each_cpu_and(i, sched_domain_span(sd), hk_mask) {
444969223c81c7 kernel/sched/core.c Wanpeng Li 2016-05-04 1193 if (cpu == i)
444969223c81c7 kernel/sched/core.c Wanpeng Li 2016-05-04 1194 continue;
444969223c81c7 kernel/sched/core.c Wanpeng Li 2016-05-04 1195
7537b90c003675 kernel/sched/core.c Peter Zijlstra 2023-08-01 1196 if (!idle_cpu(i))
7537b90c003675 kernel/sched/core.c Peter Zijlstra 2023-08-01 1197 return i;
057f3fadb347e9 kernel/sched.c Peter Zijlstra 2011-04-18 1198 }
83cd4fe27ad844 kernel/sched.c Venkatesh Pallipadi 2010-05-21 1199 }
9642d18eee2cd1 kernel/sched/core.c Vatika Harlalka 2015-09-01 1200
e938b9c94164e4 kernel/sched/core.c Wanpeng Li 2020-01-13 1201 if (default_cpu == -1)
c907cd44a108ef kernel/sched/core.c Waiman Long 2024-10-30 1202 default_cpu = housekeeping_any_cpu(HK_TYPE_KERNEL_NOISE);
7537b90c003675 kernel/sched/core.c Peter Zijlstra 2023-08-01 1203
7537b90c003675 kernel/sched/core.c Peter Zijlstra 2023-08-01 1204 return default_cpu;
83cd4fe27ad844 kernel/sched.c Venkatesh Pallipadi 2010-05-21 1205 }
d1ccc66df8bfe3 kernel/sched/core.c Ingo Molnar 2017-02-01 1206
:::::: The code at line 1191 was first introduced by commit
:::::: 83cd4fe27ad8446619b2e030b171b858501de87d sched: Change nohz idle load balancing logic to push model
:::::: TO: Venkatesh Pallipadi <venki@...gle.com>
:::::: CC: Ingo Molnar <mingo@...e.hu>
--
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