CC: [email protected] TO: Peter Zijlstra <[email protected]>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git sched/core-sched head: aa17e873016be2a89e8cb3c0fe044801874b3ea5 commit: d264c7c1defc2280317a692e046aad5e7676d021 [16/29] sched: Use raw_spin_rq_*lock*() helpers :::::: branch date: 12 hours ago :::::: commit date: 12 hours ago config: h8300-randconfig-s031-20210415 (attached as .config) compiler: h8300-linux-gcc (GCC) 9.3.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.3-280-g2cd6d34e-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git/commit/?id=d264c7c1defc2280317a692e046aad5e7676d021 git remote add peterz-queue https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git git fetch --no-tags peterz-queue sched/core-sched git checkout d264c7c1defc2280317a692e046aad5e7676d021 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' W=1 ARCH=h8300 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <[email protected]> sparse warnings: (new ones prefixed by >>) kernel/sched/core.c:816:38: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct task_struct *curr @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/core.c:816:38: sparse: expected struct task_struct *curr kernel/sched/core.c:816:38: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/core.c:1936:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/core.c:1936:33: sparse: expected struct task_struct *p kernel/sched/core.c:1936:33: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/core.c:1936:68: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *tsk @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/core.c:1936:68: sparse: expected struct task_struct *tsk kernel/sched/core.c:1936:68: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/core.c:4759:38: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct task_struct *curr @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/core.c:4759:38: sparse: expected struct task_struct *curr kernel/sched/core.c:4759:38: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/core.c:5641:14: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct task_struct *prev @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/core.c:5641:14: sparse: expected struct task_struct *prev kernel/sched/core.c:5641:14: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/core.c:6300:17: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/core.c:6300:17: sparse: struct task_struct * kernel/sched/core.c:6300:17: sparse: struct task_struct [noderef] __rcu * kernel/sched/core.c:6507:22: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/core.c:6507:22: sparse: struct task_struct [noderef] __rcu * kernel/sched/core.c:6507:22: sparse: struct task_struct * kernel/sched/core.c:10192:25: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/core.c:10192:25: sparse: expected struct task_struct *p kernel/sched/core.c:10192:25: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/core.c:377:6: sparse: sparse: context imbalance in 'raw_spin_rq_lock_nested' - wrong count at exit kernel/sched/core.c:382:6: sparse: sparse: context imbalance in 'raw_spin_rq_trylock' - wrong count at exit kernel/sched/core.c:387:6: sparse: sparse: context imbalance in 'raw_spin_rq_unlock' - unexpected unlock kernel/sched/core.c:406:36: sparse: sparse: context imbalance in '__task_rq_lock' - wrong count at exit kernel/sched/core.c:447:36: sparse: sparse: context imbalance in 'task_rq_lock' - wrong count at exit kernel/sched/core.c:1927:33: sparse: sparse: dereference of noderef expression kernel/sched/core.c:1928:19: sparse: sparse: dereference of noderef expression kernel/sched/core.c:1929:37: sparse: sparse: dereference of noderef expression kernel/sched/core.c:3261:25: sparse: sparse: context imbalance in 'ttwu_runnable' - wrong count at exit kernel/sched/core.c:3746:9: sparse: sparse: context imbalance in 'try_invoke_on_locked_down_task' - wrong count at exit >> kernel/sched/core.c:4049:6: sparse: sparse: context imbalance in >> 'wake_up_new_task' - wrong count at exit kernel/sched/core.c:4466:30: sparse: sparse: context imbalance in 'finish_task_switch' - wrong count at exit kernel/sched/core.c: note: in included file: kernel/sched/sched.h:1886:25: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:1886:25: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:1886:25: sparse: struct task_struct * kernel/sched/sched.h:2044:9: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2044:9: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2044:9: sparse: struct task_struct * kernel/sched/sched.h:2044:9: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2044:9: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2044:9: sparse: struct task_struct * kernel/sched/sched.h:1886:25: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:1886:25: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:1886:25: sparse: struct task_struct * kernel/sched/sched.h:2044:9: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2044:9: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2044:9: sparse: struct task_struct * kernel/sched/sched.h:1886:25: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:1886:25: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:1886:25: sparse: struct task_struct * kernel/sched/sched.h:2044:9: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2044:9: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2044:9: sparse: struct task_struct * kernel/sched/sched.h:1886:25: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:1886:25: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:1886:25: sparse: struct task_struct * kernel/sched/sched.h:2044:9: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2044:9: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2044:9: sparse: struct task_struct * kernel/sched/sched.h:1886:25: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:1886:25: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:1886:25: sparse: struct task_struct * vim +/wake_up_new_task +4049 kernel/sched/core.c 332ac17ef5bfcf kernel/sched/core.c Dario Faggioli 2013-11-07 4041 ^1da177e4c3f41 kernel/sched.c Linus Torvalds 2005-04-16 4042 /* ^1da177e4c3f41 kernel/sched.c Linus Torvalds 2005-04-16 4043 * wake_up_new_task - wake up a newly created task for the first time. ^1da177e4c3f41 kernel/sched.c Linus Torvalds 2005-04-16 4044 * ^1da177e4c3f41 kernel/sched.c Linus Torvalds 2005-04-16 4045 * This function will do some initial scheduler statistics housekeeping ^1da177e4c3f41 kernel/sched.c Linus Torvalds 2005-04-16 4046 * that must be done for every newly created context, then puts the task ^1da177e4c3f41 kernel/sched.c Linus Torvalds 2005-04-16 4047 * on the runqueue and wakes it. ^1da177e4c3f41 kernel/sched.c Linus Torvalds 2005-04-16 4048 */ 3e51e3edfd81bf kernel/sched.c Samir Bellabes 2011-05-11 @4049 void wake_up_new_task(struct task_struct *p) ^1da177e4c3f41 kernel/sched.c Linus Torvalds 2005-04-16 4050 { eb58075149b7f0 kernel/sched/core.c Peter Zijlstra 2015-07-31 4051 struct rq_flags rf; dd41f596cda0d7 kernel/sched.c Ingo Molnar 2007-07-09 4052 struct rq *rq; fabf318e5e4bda kernel/sched.c Peter Zijlstra 2010-01-21 4053 eb58075149b7f0 kernel/sched/core.c Peter Zijlstra 2015-07-31 4054 raw_spin_lock_irqsave(&p->pi_lock, rf.flags); 7dc603c9028ea5 kernel/sched/core.c Peter Zijlstra 2016-06-16 4055 p->state = TASK_RUNNING; fabf318e5e4bda kernel/sched.c Peter Zijlstra 2010-01-21 4056 #ifdef CONFIG_SMP fabf318e5e4bda kernel/sched.c Peter Zijlstra 2010-01-21 4057 /* fabf318e5e4bda kernel/sched.c Peter Zijlstra 2010-01-21 4058 * Fork balancing, do it here and not earlier because: 3bd3706251ee8a kernel/sched/core.c Sebastian Andrzej Siewior 2019-04-23 4059 * - cpus_ptr can change in the fork path d1ccc66df8bfe3 kernel/sched/core.c Ingo Molnar 2017-02-01 4060 * - any previously selected CPU might disappear through hotplug e210bffd39d01b kernel/sched/core.c Peter Zijlstra 2016-06-16 4061 * e210bffd39d01b kernel/sched/core.c Peter Zijlstra 2016-06-16 4062 * Use __set_task_cpu() to avoid calling sched_class::migrate_task_rq, e210bffd39d01b kernel/sched/core.c Peter Zijlstra 2016-06-16 4063 * as we're not fully set-up yet. fabf318e5e4bda kernel/sched.c Peter Zijlstra 2010-01-21 4064 */ 32e839dda3ba57 kernel/sched/core.c Mel Gorman 2018-01-30 4065 p->recent_used_cpu = task_cpu(p); ce3614daabea8a kernel/sched/core.c Mathieu Desnoyers 2020-07-06 4066 rseq_migrate(p); 3aef1551e94286 kernel/sched/core.c Valentin Schneider 2020-11-02 4067 __set_task_cpu(p, select_task_rq(p, task_cpu(p), WF_FORK)); 0017d735092844 kernel/sched.c Peter Zijlstra 2010-03-24 4068 #endif b7fa30c9cc48c4 kernel/sched/core.c Peter Zijlstra 2016-06-09 4069 rq = __task_rq_lock(p, &rf); 4126bad6717336 kernel/sched/core.c Peter Zijlstra 2016-10-03 4070 update_rq_clock(rq); d0fe0b9c45c144 kernel/sched/core.c Dietmar Eggemann 2019-01-22 4071 post_init_entity_util_avg(p); 0017d735092844 kernel/sched.c Peter Zijlstra 2010-03-24 4072 7a57f32a4d5c80 kernel/sched/core.c Peter Zijlstra 2017-02-21 4073 activate_task(rq, p, ENQUEUE_NOCLOCK); fbd705a0c61845 kernel/sched/core.c Peter Zijlstra 2015-06-09 4074 trace_sched_wakeup_new(p); a7558e01056f51 kernel/sched.c Peter Zijlstra 2009-09-14 4075 check_preempt_curr(rq, p, WF_FORK); 9a897c5a6701bc kernel/sched.c Steven Rostedt 2008-01-25 4076 #ifdef CONFIG_SMP 0aaafaabfcba8a kernel/sched/core.c Peter Zijlstra 2015-10-23 4077 if (p->sched_class->task_woken) { 0aaafaabfcba8a kernel/sched/core.c Peter Zijlstra 2015-10-23 4078 /* b19a888c1e9bdf kernel/sched/core.c Tal Zussman 2020-11-12 4079 * Nothing relies on rq->lock after this, so it's fine to 0aaafaabfcba8a kernel/sched/core.c Peter Zijlstra 2015-10-23 4080 * drop it. 0aaafaabfcba8a kernel/sched/core.c Peter Zijlstra 2015-10-23 4081 */ d8ac897137a230 kernel/sched/core.c Matt Fleming 2016-09-21 4082 rq_unpin_lock(rq, &rf); efbbd05a595343 kernel/sched.c Peter Zijlstra 2009-12-16 4083 p->sched_class->task_woken(rq, p); d8ac897137a230 kernel/sched/core.c Matt Fleming 2016-09-21 4084 rq_repin_lock(rq, &rf); 0aaafaabfcba8a kernel/sched/core.c Peter Zijlstra 2015-10-23 4085 } 9a897c5a6701bc kernel/sched.c Steven Rostedt 2008-01-25 4086 #endif eb58075149b7f0 kernel/sched/core.c Peter Zijlstra 2015-07-31 4087 task_rq_unlock(rq, p, &rf); ^1da177e4c3f41 kernel/sched.c Linus Torvalds 2005-04-16 4088 } ^1da177e4c3f41 kernel/sched.c Linus Torvalds 2005-04-16 4089 :::::: The code at line 4049 was first introduced by commit :::::: 3e51e3edfd81bfd9853ad7de91167e4ce33d0fe7 sched: Remove unused parameters from sched_fork() and wake_up_new_task() :::::: TO: Samir Bellabes <[email protected]> :::::: CC: Ingo Molnar <[email protected]> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/[email protected]
.config.gz
Description: application/gzip
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