From: kernel test robot <lkp@intel.com>
To: <cros-kernel-buildreports@googlegroups.com>
Cc: <oe-kbuild-all@lists.linux.dev>
Subject: [android-common:android17-6.18-kminext 0/18] kernel/sched/fair.c:8997:14: sparse: sparse: incorrect type in assignment (different address spaces)
Date: Sun, 23 Aug 2026 20:55:15 +0800 [thread overview]
Message-ID: <202608221518.UeEgsvqJ-lkp@intel.com> (raw)
tree: https://android.googlesource.com/kernel/common android17-6.18-kminext
head: e90350ec69a7f156c6eda15a13e6671cd731749d
commit: c5c86c524cdc66dfa5514855826d380b85ce7abd [0/18] FROMLIST: sched: Rework pick_next_task() and prev_balance() to avoid stale prev references
config: x86_64-randconfig-122-20260822 (https://download.01.org/0day-ci/archive/20260822/202608221518.UeEgsvqJ-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/20260822/202608221518.UeEgsvqJ-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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202608221518.UeEgsvqJ-lkp@intel.com/
sparse warnings: (new ones prefixed by >>)
kernel/sched/fair.c:1213:49: 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:1213:49: sparse: expected struct task_struct *running
kernel/sched/fair.c:1213:49: sparse: got struct task_struct [noderef] __rcu *curr
kernel/sched/fair.c:1247:33: 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:1247:33: sparse: expected struct sched_entity *se
kernel/sched/fair.c:1247:33: sparse: got struct sched_entity [noderef] __rcu *
kernel/sched/fair.c:1305:34: 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:1305:34: sparse: expected struct sched_entity const *se
kernel/sched/fair.c:1305:34: sparse: got struct sched_entity [noderef] __rcu *
kernel/sched/fair.c:13025:9: 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:13025:9: sparse: expected struct sched_domain *[assigned] sd
kernel/sched/fair.c:13025:9: sparse: got struct sched_domain [noderef] __rcu *parent
kernel/sched/fair.c:7092:58: 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:7092:58: sparse: expected struct task_struct *p
kernel/sched/fair.c:7092:58: sparse: got struct task_struct [noderef] __rcu *curr
kernel/sched/fair.c:8494:20: 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:8494:20: sparse: expected struct sched_domain *[assigned] sd
kernel/sched/fair.c:8494:20: sparse: got struct sched_domain [noderef] __rcu *parent
kernel/sched/fair.c:8707:9: 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:8707:9: sparse: expected struct sched_domain *[assigned] tmp
kernel/sched/fair.c:8707:9: sparse: got struct sched_domain [noderef] __rcu *parent
kernel/sched/fair.c:8849:39: 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:8849:39: sparse: expected struct task_struct *donor
kernel/sched/fair.c:8849:39: sparse: got struct task_struct [noderef] __rcu *donor
kernel/sched/fair.c:8883:37: 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:8883:37: sparse: expected struct task_struct *tsk
kernel/sched/fair.c:8883:37: sparse: got struct task_struct [noderef] __rcu *curr
>> kernel/sched/fair.c:8997:14: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct task_struct *prev @@ got struct task_struct [noderef] __rcu *donor @@
kernel/sched/fair.c:8997:14: sparse: expected struct task_struct *prev
kernel/sched/fair.c:8997:14: sparse: got struct task_struct [noderef] __rcu *donor
kernel/sched/fair.c:9117:38: 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:9117:38: sparse: expected struct task_struct *curr
kernel/sched/fair.c:9117:38: sparse: got struct task_struct [noderef] __rcu *donor
kernel/sched/fair.c:10176:40: 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:10176:40: sparse: expected struct sched_domain *child
kernel/sched/fair.c:10176:40: sparse: got struct sched_domain [noderef] __rcu *child
kernel/sched/fair.c:10804:22: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/fair.c:10804:22: sparse: struct task_struct [noderef] __rcu *
kernel/sched/fair.c:10804:22: sparse: struct task_struct *
kernel/sched/fair.c:12257:9: 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:12257:9: sparse: expected struct sched_domain *[assigned] sd
kernel/sched/fair.c:12257:9: sparse: got struct sched_domain [noderef] __rcu *parent
kernel/sched/fair.c:11906:44: 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:11906:44: sparse: expected struct sched_domain *sd_parent
kernel/sched/fair.c:11906:44: sparse: got struct sched_domain [noderef] __rcu *parent
kernel/sched/fair.c:12371:9: 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:12371:9: sparse: expected struct sched_domain *[assigned] sd
kernel/sched/fair.c:12371:9: sparse: got struct sched_domain [noderef] __rcu *parent
kernel/sched/fair.c:6796:35: sparse: sparse: marked inline, but without a definition
kernel/sched/fair.c: note: in included file:
kernel/sched/sched.h:2532:9: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2532:9: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2532:9: sparse: struct task_struct *
kernel/sched/sched.h:2321:26: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2321:26: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2321:26: sparse: struct task_struct *
kernel/sched/sched.h:2310:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2310:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2310:25: sparse: struct task_struct *
kernel/sched/sched.h:2321:26: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2321:26: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2321:26: sparse: struct task_struct *
kernel/sched/sched.h:2321:26: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2321:26: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2321:26: sparse: struct task_struct *
kernel/sched/sched.h:2321:26: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2321:26: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2321:26: sparse: struct task_struct *
vim +8997 kernel/sched/fair.c
8984
8985 struct task_struct *
8986 pick_next_task_fair(struct rq *rq, struct rq_flags *rf)
8987 {
8988 struct sched_entity *se;
8989 struct task_struct *p, *prev;
8990 int new_tasks;
8991
8992 again:
8993 /*
8994 * Re-read rq->donor at the top as it may have
8995 * changed across a rq lock drop
8996 */
> 8997 prev = rq->donor;
8998 p = pick_task_fair(rq);
8999 trace_android_rvh_replace_next_task_fair(rq, &p, prev);
9000
9001 if (!p)
9002 goto idle;
9003 se = &p->se;
9004
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
reply other threads:[~2026-08-23 12:55 UTC|newest]
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