kernel/sched/fair.c:939:34: sparse: sparse: incorrect type in argument 1 (different address spaces)

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   58720809f52779dc0f08e53e54b014209d13eebb
commit: 904cbab71dda1689d41a240541179f21ff433c40 sched: Make const-safe
date:   10 months ago
config: x86_64-allnoconfig (https://download.01.org/0day-ci/archive/20231017/202310170509.6oaAGzjD-lkp@xxxxxxxxx/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231017/202310170509.6oaAGzjD-lkp@xxxxxxxxx/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@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202310170509.6oaAGzjD-lkp@xxxxxxxxx/

sparse warnings: (new ones prefixed by >>)
>> kernel/sched/fair.c:939:34: 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:939:34: sparse:     expected struct sched_entity const *se
   kernel/sched/fair.c:939:34: sparse:     got struct sched_entity [noderef] __rcu *
   kernel/sched/fair.c:7698:38: 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:7698:38: sparse:     expected struct task_struct *curr
   kernel/sched/fair.c:7698:38: sparse:     got struct task_struct [noderef] __rcu *curr
   kernel/sched/fair.c:7996:38: 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:7996:38: sparse:     expected struct task_struct *curr
   kernel/sched/fair.c:7996:38: sparse:     got struct task_struct [noderef] __rcu *curr
   kernel/sched/fair.c:6039:35: sparse: sparse: marked inline, but without a definition
   kernel/sched/fair.c: note: in included file:
   kernel/sched/sched.h:2232:9: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/sched.h:2232:9: sparse:    struct task_struct [noderef] __rcu *
   kernel/sched/sched.h:2232:9: sparse:    struct task_struct *
   kernel/sched/sched.h:2074:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/sched.h:2074:25: sparse:    struct task_struct [noderef] __rcu *
   kernel/sched/sched.h:2074:25: sparse:    struct task_struct *
   kernel/sched/sched.h:2074:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/sched.h:2074:25: sparse:    struct task_struct [noderef] __rcu *
   kernel/sched/sched.h:2074:25: sparse:    struct task_struct *
--
   kernel/sched/build_policy.c: note: in included file:
   kernel/sched/rt.c:961:70: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/rt.c:961:70: sparse:    struct task_struct [noderef] __rcu *
   kernel/sched/rt.c:961:70: sparse:    struct task_struct *
   kernel/sched/rt.c:1047:38: sparse: sparse: incorrect type in initializer (different address spaces) @@     expected struct task_struct *curr @@     got struct task_struct [noderef] __rcu *curr @@
   kernel/sched/rt.c:1047:38: sparse:     expected struct task_struct *curr
   kernel/sched/rt.c:1047:38: sparse:     got struct task_struct [noderef] __rcu *curr
   kernel/sched/rt.c:1592:31: 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:1592:31: sparse:     expected struct task_struct *p
   kernel/sched/rt.c:1592:31: sparse:     got struct task_struct [noderef] __rcu *curr
   kernel/sched/build_policy.c: note: in included file:
>> kernel/sched/deadline.c:1954:42: 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:1954:42: sparse:     expected struct sched_dl_entity const *b
   kernel/sched/deadline.c:1954:42: sparse:     got struct sched_dl_entity [noderef] __rcu *
   kernel/sched/deadline.c:1182:23: 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:1182:23: sparse:     expected struct task_struct *p
   kernel/sched/deadline.c:1182:23: sparse:     got struct task_struct [noderef] __rcu *curr
   kernel/sched/deadline.c:1309:38: sparse: sparse: incorrect type in initializer (different address spaces) @@     expected struct task_struct *curr @@     got struct task_struct [noderef] __rcu *curr @@
   kernel/sched/deadline.c:1309:38: sparse:     expected struct task_struct *curr
   kernel/sched/deadline.c:1309:38: sparse:     got struct task_struct [noderef] __rcu *curr
   kernel/sched/deadline.c:2645:22: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/deadline.c:2645:22: sparse:    struct task_struct [noderef] __rcu *
   kernel/sched/deadline.c:2645:22: sparse:    struct task_struct *
   kernel/sched/build_policy.c: note: in included file:
   kernel/sched/sched.h:2074:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/sched.h:2074:25: sparse:    struct task_struct [noderef] __rcu *
   kernel/sched/sched.h:2074:25: sparse:    struct task_struct *
   kernel/sched/sched.h:2074:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/sched.h:2074:25: sparse:    struct task_struct [noderef] __rcu *
   kernel/sched/sched.h:2074:25: sparse:    struct task_struct *
   kernel/sched/sched.h:2074:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/sched.h:2074:25: sparse:    struct task_struct [noderef] __rcu *
   kernel/sched/sched.h:2074:25: sparse:    struct task_struct *
   kernel/sched/sched.h:2074:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/sched.h:2074:25: sparse:    struct task_struct [noderef] __rcu *
   kernel/sched/sched.h:2074:25: sparse:    struct task_struct *
   kernel/sched/sched.h:2074:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/sched.h:2074:25: sparse:    struct task_struct [noderef] __rcu *
   kernel/sched/sched.h:2074:25: sparse:    struct task_struct *

vim +939 kernel/sched/fair.c

bf0f6f24a1ece8 kernel/sched_fair.c Ingo Molnar       2007-07-09  936  
6e998916dfe327 kernel/sched/fair.c Stanislaw Gruszka 2014-11-12  937  static void update_curr_fair(struct rq *rq)
6e998916dfe327 kernel/sched/fair.c Stanislaw Gruszka 2014-11-12  938  {
6e998916dfe327 kernel/sched/fair.c Stanislaw Gruszka 2014-11-12 @939  	update_curr(cfs_rq_of(&rq->curr->se));
6e998916dfe327 kernel/sched/fair.c Stanislaw Gruszka 2014-11-12  940  }
6e998916dfe327 kernel/sched/fair.c Stanislaw Gruszka 2014-11-12  941  

:::::: The code at line 939 was first introduced by commit
:::::: 6e998916dfe327e785e7c2447959b2c1a3ea4930 sched/cputime: Fix clock_nanosleep()/clock_gettime() inconsistency

:::::: TO: Stanislaw Gruszka <sgruszka@xxxxxxxxxx>
:::::: CC: Ingo Molnar <mingo@xxxxxxxxxx>

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