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Message-ID: <202512112047.qgtNTiEN-lkp@intel.com>
Date: Thu, 11 Dec 2025 21:00:17 +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/stats.c:136:17: sparse: sparse: incorrect type in
assignment (different address spaces)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: d358e5254674b70f34c847715ca509e46eb81e6f
commit: 9d9af2372f2a46242fd5e827973235f40f31a706 sched/smp: Use the SMP version of schedstats
date: 6 months ago
config: arm-randconfig-r111-20251211 (https://download.01.org/0day-ci/archive/20251211/202512112047.qgtNTiEN-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/20251211/202512112047.qgtNTiEN-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/202512112047.qgtNTiEN-lkp@intel.com/
sparse warnings: (new ones prefixed by >>)
kernel/sched/build_utility.c: note: in included file:
kernel/sched/debug.c:626:17: 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:626:17: sparse: expected struct sched_domain *[assigned] sd
kernel/sched/debug.c:626:17: sparse: got struct sched_domain [noderef] __rcu *parent
kernel/sched/debug.c:954:9: 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:954:9: sparse: expected struct task_struct *tsk
kernel/sched/debug.c:954:9: sparse: got struct task_struct [noderef] __rcu *curr
kernel/sched/debug.c:954:9: 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:954:9: sparse: expected struct task_struct *tsk
kernel/sched/debug.c:954:9: sparse: got struct task_struct [noderef] __rcu *curr
kernel/sched/build_utility.c: note: in included file:
>> kernel/sched/stats.c:136:17: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] sd @@ got struct sched_domain [noderef] __rcu *parent @@
kernel/sched/stats.c:136:17: sparse: expected struct sched_domain *[assigned] sd
kernel/sched/stats.c:136:17: sparse: got struct sched_domain [noderef] __rcu *parent
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:2235:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2235:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2235:25: sparse: struct task_struct *
vim +136 kernel/sched/stats.c
029632fbb7b7c9 kernel/sched_stats.c Peter Zijlstra 2011-10-25 108
029632fbb7b7c9 kernel/sched_stats.c Peter Zijlstra 2011-10-25 109 static int show_schedstat(struct seq_file *seq, void *v)
029632fbb7b7c9 kernel/sched_stats.c Peter Zijlstra 2011-10-25 110 {
029632fbb7b7c9 kernel/sched_stats.c Peter Zijlstra 2011-10-25 111 int cpu;
029632fbb7b7c9 kernel/sched_stats.c Peter Zijlstra 2011-10-25 112
cb152ff2671796 kernel/sched/stats.c Nathan Zimmer 2013-02-21 113 if (v == (void *)1) {
029632fbb7b7c9 kernel/sched_stats.c Peter Zijlstra 2011-10-25 114 seq_printf(seq, "version %d\n", SCHEDSTAT_VERSION);
029632fbb7b7c9 kernel/sched_stats.c Peter Zijlstra 2011-10-25 115 seq_printf(seq, "timestamp %lu\n", jiffies);
cb152ff2671796 kernel/sched/stats.c Nathan Zimmer 2013-02-21 116 } else {
cb152ff2671796 kernel/sched/stats.c Nathan Zimmer 2013-02-21 117 struct rq *rq;
029632fbb7b7c9 kernel/sched_stats.c Peter Zijlstra 2011-10-25 118 struct sched_domain *sd;
029632fbb7b7c9 kernel/sched_stats.c Peter Zijlstra 2011-10-25 119 int dcount = 0;
cb152ff2671796 kernel/sched/stats.c Nathan Zimmer 2013-02-21 120 cpu = (unsigned long)(v - 2);
cb152ff2671796 kernel/sched/stats.c Nathan Zimmer 2013-02-21 121 rq = cpu_rq(cpu);
029632fbb7b7c9 kernel/sched_stats.c Peter Zijlstra 2011-10-25 122
029632fbb7b7c9 kernel/sched_stats.c Peter Zijlstra 2011-10-25 123 /* runqueue-specific stats */
029632fbb7b7c9 kernel/sched_stats.c Peter Zijlstra 2011-10-25 124 seq_printf(seq,
30fd049afcfed5 kernel/sched/stats.c Rakib Mullick 2012-01-24 125 "cpu%d %u 0 %u %u %u %u %llu %llu %lu",
029632fbb7b7c9 kernel/sched_stats.c Peter Zijlstra 2011-10-25 126 cpu, rq->yld_count,
30fd049afcfed5 kernel/sched/stats.c Rakib Mullick 2012-01-24 127 rq->sched_count, rq->sched_goidle,
029632fbb7b7c9 kernel/sched_stats.c Peter Zijlstra 2011-10-25 128 rq->ttwu_count, rq->ttwu_local,
029632fbb7b7c9 kernel/sched_stats.c Peter Zijlstra 2011-10-25 129 rq->rq_cpu_time,
029632fbb7b7c9 kernel/sched_stats.c Peter Zijlstra 2011-10-25 130 rq->rq_sched_info.run_delay, rq->rq_sched_info.pcount);
029632fbb7b7c9 kernel/sched_stats.c Peter Zijlstra 2011-10-25 131
029632fbb7b7c9 kernel/sched_stats.c Peter Zijlstra 2011-10-25 132 seq_printf(seq, "\n");
029632fbb7b7c9 kernel/sched_stats.c Peter Zijlstra 2011-10-25 133
029632fbb7b7c9 kernel/sched_stats.c Peter Zijlstra 2011-10-25 134 /* domain-specific stats */
029632fbb7b7c9 kernel/sched_stats.c Peter Zijlstra 2011-10-25 135 rcu_read_lock();
029632fbb7b7c9 kernel/sched_stats.c Peter Zijlstra 2011-10-25 @136 for_each_domain(cpu, sd) {
029632fbb7b7c9 kernel/sched_stats.c Peter Zijlstra 2011-10-25 137 enum cpu_idle_type itype;
029632fbb7b7c9 kernel/sched_stats.c Peter Zijlstra 2011-10-25 138
011b3a14dc66c4 kernel/sched/stats.c K Prateek Nayak 2024-12-20 139 seq_printf(seq, "domain%d %s %*pb", dcount++, sd->name,
333470ee46b685 kernel/sched/stats.c Tejun Heo 2015-02-13 140 cpumask_pr_args(sched_domain_span(sd)));
02a61f325a8e62 kernel/sched/stats.c Shrikanth Hegde 2024-03-08 141 for (itype = 0; itype < CPU_MAX_IDLE_TYPES; itype++) {
3b2a793ea70fd1 kernel/sched/stats.c Swapnil Sapkal 2024-12-20 142 seq_printf(seq, " %u %u %u %u %u %u %u %u %u %u %u",
029632fbb7b7c9 kernel/sched_stats.c Peter Zijlstra 2011-10-25 143 sd->lb_count[itype],
029632fbb7b7c9 kernel/sched_stats.c Peter Zijlstra 2011-10-25 144 sd->lb_balanced[itype],
029632fbb7b7c9 kernel/sched_stats.c Peter Zijlstra 2011-10-25 145 sd->lb_failed[itype],
3b2a793ea70fd1 kernel/sched/stats.c Swapnil Sapkal 2024-12-20 146 sd->lb_imbalance_load[itype],
3b2a793ea70fd1 kernel/sched/stats.c Swapnil Sapkal 2024-12-20 147 sd->lb_imbalance_util[itype],
3b2a793ea70fd1 kernel/sched/stats.c Swapnil Sapkal 2024-12-20 148 sd->lb_imbalance_task[itype],
3b2a793ea70fd1 kernel/sched/stats.c Swapnil Sapkal 2024-12-20 149 sd->lb_imbalance_misfit[itype],
029632fbb7b7c9 kernel/sched_stats.c Peter Zijlstra 2011-10-25 150 sd->lb_gained[itype],
029632fbb7b7c9 kernel/sched_stats.c Peter Zijlstra 2011-10-25 151 sd->lb_hot_gained[itype],
029632fbb7b7c9 kernel/sched_stats.c Peter Zijlstra 2011-10-25 152 sd->lb_nobusyq[itype],
029632fbb7b7c9 kernel/sched_stats.c Peter Zijlstra 2011-10-25 153 sd->lb_nobusyg[itype]);
029632fbb7b7c9 kernel/sched_stats.c Peter Zijlstra 2011-10-25 154 }
029632fbb7b7c9 kernel/sched_stats.c Peter Zijlstra 2011-10-25 155 seq_printf(seq,
029632fbb7b7c9 kernel/sched_stats.c Peter Zijlstra 2011-10-25 156 " %u %u %u %u %u %u %u %u %u %u %u %u\n",
029632fbb7b7c9 kernel/sched_stats.c Peter Zijlstra 2011-10-25 157 sd->alb_count, sd->alb_failed, sd->alb_pushed,
029632fbb7b7c9 kernel/sched_stats.c Peter Zijlstra 2011-10-25 158 sd->sbe_count, sd->sbe_balanced, sd->sbe_pushed,
029632fbb7b7c9 kernel/sched_stats.c Peter Zijlstra 2011-10-25 159 sd->sbf_count, sd->sbf_balanced, sd->sbf_pushed,
029632fbb7b7c9 kernel/sched_stats.c Peter Zijlstra 2011-10-25 160 sd->ttwu_wake_remote, sd->ttwu_move_affine,
029632fbb7b7c9 kernel/sched_stats.c Peter Zijlstra 2011-10-25 161 sd->ttwu_move_balance);
029632fbb7b7c9 kernel/sched_stats.c Peter Zijlstra 2011-10-25 162 }
029632fbb7b7c9 kernel/sched_stats.c Peter Zijlstra 2011-10-25 163 rcu_read_unlock();
029632fbb7b7c9 kernel/sched_stats.c Peter Zijlstra 2011-10-25 164 }
029632fbb7b7c9 kernel/sched_stats.c Peter Zijlstra 2011-10-25 165 return 0;
029632fbb7b7c9 kernel/sched_stats.c Peter Zijlstra 2011-10-25 166 }
029632fbb7b7c9 kernel/sched_stats.c Peter Zijlstra 2011-10-25 167
:::::: The code at line 136 was first introduced by commit
:::::: 029632fbb7b7c9d85063cc9eb470de6c54873df3 sched: Make separate sched*.c translation units
:::::: TO: Peter Zijlstra <a.p.zijlstra@...llo.nl>
:::::: CC: Ingo Molnar <mingo@...e.hu>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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