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Should it be static? Message-ID: <202610080022.npKGoi7g-lkp@intel.com> User-Agent: s-nail v14.9.25 Precedence: bulk X-Mailing-List: oe-kbuild-all@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: tree: https://github.com/zen-kernel/zen-kernel 7.2/prjc head: dca70816eacb7e122d8192bc4f042c74c312eb5d commit: ecdb5900a34a8291a8457c0e29cca911c55dbf67 [118/124] sched/alt: [Sync] b715872ef0cc futex: Provide rt_mutex_.*_schedule() equivalents for futex scheduling config: powerpc-randconfig-r2303-20261007 (https://download.01.org/0day-ci/archive/20261008/202610080022.npKGoi7g-lkp@intel.com/config) compiler: powerpc-linux-gcc (GCC) 9.5.0 sparse: v0.6.5-rc1 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261008/202610080022.npKGoi7g-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 | Closes: https://lore.kernel.org/oe-kbuild-all/202610080022.npKGoi7g-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) kernel/sched/alt_core.c:453:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *task @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/alt_core.c:453:33: sparse: expected struct task_struct *task kernel/sched/alt_core.c:453:33: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/alt_core.c:2656:36: 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:2656:36: sparse: expected struct task_struct const *p kernel/sched/alt_core.c:2656:36: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/alt_core.c:3269:27: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/alt_core.c:3269:27: sparse: expected struct task_struct *p kernel/sched/alt_core.c:3269:27: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/alt_core.c:4098:15: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/alt_core.c:4098:15: sparse: struct task_struct * kernel/sched/alt_core.c:4098:15: sparse: struct task_struct [noderef] __rcu * kernel/sched/alt_core.c:4249:14: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct task_struct *curr @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/alt_core.c:4249:14: sparse: expected struct task_struct *curr kernel/sched/alt_core.c:4249:14: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/alt_core.c:4328:46: 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:4328:46: sparse: expected struct task_struct *curr kernel/sched/alt_core.c:4328:46: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/alt_core.c:4891:14: 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:4891:14: sparse: expected struct task_struct *prev kernel/sched/alt_core.c:4891:14: sparse: got struct task_struct [noderef] __rcu *curr >> kernel/sched/alt_core.c:5356:6: sparse: sparse: symbol 'rt_mutex_futex_pre_schedule' was not declared. Should it be static? >> kernel/sched/alt_core.c:5375:6: sparse: sparse: symbol 'rt_mutex_futex_post_schedule' was not declared. Should it be static? kernel/sched/alt_core.c:5439:17: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/alt_core.c:5439:17: sparse: struct task_struct * kernel/sched/alt_core.c:5439:17: sparse: struct task_struct [noderef] __rcu * kernel/sched/alt_core.c:5984:25: 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:5984:25: sparse: expected struct task_struct *p kernel/sched/alt_core.c:5984:25: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/alt_core.c:911:38: 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:911:38: sparse: expected struct task_struct *curr kernel/sched/alt_core.c:911:38: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/alt_core.c:911:38: 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:911:38: sparse: expected struct task_struct *curr kernel/sched/alt_core.c:911:38: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/alt_core.c:1138:37: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/alt_core.c:1138:37: sparse: struct task_struct * kernel/sched/alt_core.c:1138:37: sparse: struct task_struct [noderef] __rcu * kernel/sched/alt_core.c:1818:38: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/alt_core.c:1818:38: sparse: struct task_struct [noderef] __rcu * kernel/sched/alt_core.c:1818:38: 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:1138:37: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/alt_core.c:1138:37: sparse: struct task_struct * kernel/sched/alt_core.c:1138:37: sparse: struct task_struct [noderef] __rcu * kernel/sched/alt_core.c:1138:37: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/alt_core.c:1138:37: sparse: struct task_struct * kernel/sched/alt_core.c:1138:37: 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:1138:37: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/alt_core.c:1138:37: sparse: struct task_struct * kernel/sched/alt_core.c:1138:37: 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:1138:37: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/alt_core.c:1138:37: sparse: struct task_struct * kernel/sched/alt_core.c:1138:37: sparse: struct task_struct [noderef] __rcu * kernel/sched/alt_core.c:1138:37: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/alt_core.c:1138:37: sparse: struct task_struct * kernel/sched/alt_core.c:1138:37: sparse: struct task_struct [noderef] __rcu * kernel/sched/alt_core.c:1138:37: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/alt_core.c:1138:37: sparse: struct task_struct * kernel/sched/alt_core.c:1138:37: sparse: struct task_struct [noderef] __rcu * vim +/rt_mutex_futex_pre_schedule +5356 kernel/sched/alt_core.c 5351 5352 /* 5353 * Used within the futex syscall context, skips sched_submit_work() because none 5354 * its work will be done. Asserts ensure that it is indeed the case. 5355 */ > 5356 void rt_mutex_futex_pre_schedule(void) 5357 { 5358 lockdep_assert(!(current->flags & (PF_WQ_WORKER | PF_IO_WORKER))); 5359 lockdep_assert(!current->plug); 5360 lockdep_assert(!fetch_and_set(current->sched_rt_mutex, 1)); 5361 } 5362 5363 void rt_mutex_schedule(void) 5364 { 5365 lockdep_assert(current->sched_rt_mutex); 5366 __schedule_loop(SM_NONE); 5367 } 5368 5369 void rt_mutex_post_schedule(void) 5370 { 5371 sched_update_worker(current); 5372 lockdep_assert(fetch_and_set(current->sched_rt_mutex, 0)); 5373 } 5374 > 5375 void rt_mutex_futex_post_schedule(void) 5376 { 5377 lockdep_assert(fetch_and_set(current->sched_rt_mutex, 0)); 5378 } 5379 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki