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From: kernel test robot <lkp@intel.com>
To: steven@liquorix.net
Cc: oe-kbuild-all@lists.linux.dev
Subject: [zen:7.2/prjc 57/80] kernel/sched/alt_core.c:125:1: sparse: sparse: symbol '__pcpu_scope_sched_smt_idle_lock' was not declared. Should it be static?
Date: Wed, 19 Aug 2026 18:53:58 +0800	[thread overview]
Message-ID: <202608191833.cqE1Auhb-lkp@intel.com> (raw)

tree:   https://github.com/zen-kernel/zen-kernel 7.2/prjc
head:   b735d8ec47d31db8e62d1925521a44d98c1cac2d
commit: 46ef77681e026cafee56306f59871ab4760809af [57/80] sched/alt: Auto-detect heterogeneous CPU topology
config: parisc-randconfig-r121-20260819 (https://download.01.org/0day-ci/archive/20260819/202608191833.cqE1Auhb-lkp@intel.com/config)
compiler: hppa-linux-gcc (GCC) 16.1.0
sparse: v0.6.5-rc1
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260819/202608191833.cqE1Auhb-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/202608191833.cqE1Auhb-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
>> kernel/sched/alt_core.c:125:1: sparse: sparse: symbol '__pcpu_scope_sched_smt_idle_lock' was not declared. Should it be static?
   kernel/sched/alt_core.c:2611:36: 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/alt_core.c:2611:36: sparse:     expected struct task_struct const *p
   kernel/sched/alt_core.c:2611:36: sparse:     got struct task_struct [noderef] __rcu *curr
   kernel/sched/alt_core.c:6002:43: sparse: sparse: incorrect type in initializer (different address spaces) @@     expected struct task_struct *push_task @@     got struct task_struct [noderef] __rcu *curr @@
   kernel/sched/alt_core.c:6002:43: sparse:     expected struct task_struct *push_task
   kernel/sched/alt_core.c:6002:43: sparse:     got struct task_struct [noderef] __rcu *curr
   kernel/sched/alt_core.c:4045:15: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/alt_core.c:4045:15: sparse:    struct task_struct *
   kernel/sched/alt_core.c:4045:15: sparse:    struct task_struct [noderef] __rcu *
   kernel/sched/alt_core.c:4129:38: sparse: sparse: incorrect type in initializer (different address spaces) @@     expected struct task_struct *curr @@     got struct task_struct [noderef] __rcu *curr @@
   kernel/sched/alt_core.c:4129:38: sparse:     expected struct task_struct *curr
   kernel/sched/alt_core.c:4129:38: sparse:     got struct task_struct [noderef] __rcu *curr
   kernel/sched/alt_core.c:4778:14: sparse: sparse: incorrect type in assignment (different address spaces) @@     expected struct task_struct *prev @@     got struct task_struct [noderef] __rcu *curr @@
   kernel/sched/alt_core.c:4778:14: sparse:     expected struct task_struct *prev
   kernel/sched/alt_core.c:4778:14: sparse:     got struct task_struct [noderef] __rcu *curr
   kernel/sched/alt_core.c:5309:17: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/alt_core.c:5309:17: sparse:    struct task_struct *
   kernel/sched/alt_core.c:5309:17: sparse:    struct task_struct [noderef] __rcu *
   kernel/sched/alt_core.c:5852:25: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct task_struct *p @@     got struct task_struct [noderef] __rcu *curr @@
   kernel/sched/alt_core.c:5852:25: sparse:     expected struct task_struct *p
   kernel/sched/alt_core.c:5852:25: sparse:     got struct task_struct [noderef] __rcu *curr
   kernel/sched/alt_core.c:895:38: sparse: sparse: incorrect type in initializer (different address spaces) @@     expected struct task_struct *curr @@     got struct task_struct [noderef] __rcu *curr @@
   kernel/sched/alt_core.c:895:38: sparse:     expected struct task_struct *curr
   kernel/sched/alt_core.c:895:38: sparse:     got struct task_struct [noderef] __rcu *curr
   kernel/sched/alt_core.c:895:38: sparse: sparse: incorrect type in initializer (different address spaces) @@     expected struct task_struct *curr @@     got struct task_struct [noderef] __rcu *curr @@
   kernel/sched/alt_core.c:895:38: sparse:     expected struct task_struct *curr
   kernel/sched/alt_core.c:895:38: sparse:     got struct task_struct [noderef] __rcu *curr
   kernel/sched/alt_core.c:1122:37: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/alt_core.c:1122:37: sparse:    struct task_struct *
   kernel/sched/alt_core.c:1122:37: sparse:    struct task_struct [noderef] __rcu *
   kernel/sched/alt_core.c:1801:38: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/alt_core.c:1801:38: sparse:    struct task_struct [noderef] __rcu *
   kernel/sched/alt_core.c:1801:38: sparse:    struct task_struct const *
   kernel/sched/alt_core.c: note: in included file (through kernel/sched/sched.h):
   kernel/sched/alt_sched.h:312:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/alt_sched.h:312:25: sparse:    struct task_struct [noderef] __rcu *
   kernel/sched/alt_sched.h:312:25: sparse:    struct task_struct *
   kernel/sched/alt_sched.h:312:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/alt_sched.h:312:25: sparse:    struct task_struct [noderef] __rcu *
   kernel/sched/alt_sched.h:312:25: sparse:    struct task_struct *
   kernel/sched/alt_sched.h:312:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/alt_sched.h:312:25: sparse:    struct task_struct [noderef] __rcu *
   kernel/sched/alt_sched.h:312:25: sparse:    struct task_struct *
   kernel/sched/alt_sched.h:312:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/alt_sched.h:312:25: sparse:    struct task_struct [noderef] __rcu *
   kernel/sched/alt_sched.h:312:25: sparse:    struct task_struct *
   kernel/sched/alt_core.c:1122:37: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/alt_core.c:1122:37: sparse:    struct task_struct *
   kernel/sched/alt_core.c:1122:37: sparse:    struct task_struct [noderef] __rcu *
   kernel/sched/alt_core.c:1122:37: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/alt_core.c:1122:37: sparse:    struct task_struct *
   kernel/sched/alt_core.c:1122:37: sparse:    struct task_struct [noderef] __rcu *
   kernel/sched/alt_core.c:1122:37: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/alt_core.c:1122:37: sparse:    struct task_struct *
   kernel/sched/alt_core.c:1122:37: sparse:    struct task_struct [noderef] __rcu *
   kernel/sched/alt_core.c:1122:37: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/alt_core.c:1122:37: sparse:    struct task_struct *
   kernel/sched/alt_core.c:1122:37: sparse:    struct task_struct [noderef] __rcu *
   kernel/sched/alt_sched.h:312:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/alt_sched.h:312:25: sparse:    struct task_struct [noderef] __rcu *
   kernel/sched/alt_sched.h:312:25: sparse:    struct task_struct *
   kernel/sched/alt_sched.h:312:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/alt_sched.h:312:25: sparse:    struct task_struct [noderef] __rcu *
   kernel/sched/alt_sched.h:312:25: sparse:    struct task_struct *
   kernel/sched/alt_core.c:1122:37: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/alt_core.c:1122:37: sparse:    struct task_struct *
   kernel/sched/alt_core.c:1122:37: sparse:    struct task_struct [noderef] __rcu *
   kernel/sched/alt_sched.h:312:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/alt_sched.h:312:25: sparse:    struct task_struct [noderef] __rcu *
   kernel/sched/alt_sched.h:312:25: sparse:    struct task_struct *
   kernel/sched/alt_core.c:1122:37: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/alt_core.c:1122:37: sparse:    struct task_struct *
   kernel/sched/alt_core.c:1122:37: sparse:    struct task_struct [noderef] __rcu *

vim +/__pcpu_scope_sched_smt_idle_lock +125 kernel/sched/alt_core.c

   124	
 > 125	DEFINE_PER_CPU_ALIGNED(raw_spinlock_t, sched_smt_idle_lock);
   126	

--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki

                 reply	other threads:[~2026-08-19 10:54 UTC|newest]

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