kernel/sched/core.c:711:31: sparse: sparse: incorrect type in argument 1 (different address spaces)
From: kernel test robot
Date: Sun Jan 07 2024 - 00:45:15 EST
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 52b1853b080a082ec3749c3a9577f6c71b1d4a90
commit: 52b1364ba0b105122d6de0e719b36db705011ac1 sched/psi: Add PSI_IRQ to track IRQ/SOFTIRQ pressure
date: 1 year, 4 months ago
config: x86_64-randconfig-122-20240106 (https://download.01.org/0day-ci/archive/20240107/202401071320.DgkEuvyo-lkp@xxxxxxxxx/config)
compiler: ClangBuiltLinux clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240107/202401071320.DgkEuvyo-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/202401071320.DgkEuvyo-lkp@xxxxxxxxx/
sparse warnings: (new ones prefixed by >>)
>> kernel/sched/core.c:711:31: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *task @@ got struct task_struct [noderef] __rcu *curr @@
kernel/sched/core.c:711:31: sparse: expected struct task_struct *task
kernel/sched/core.c:711:31: sparse: got struct task_struct [noderef] __rcu *curr
kernel/sched/core.c:781:48: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *curr @@
kernel/sched/core.c:781:48: sparse: expected struct task_struct *p
kernel/sched/core.c:781:48: sparse: got struct task_struct [noderef] __rcu *curr
kernel/sched/core.c:1028:38: 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:1028:38: sparse: expected struct task_struct *curr
kernel/sched/core.c:1028:38: sparse: got struct task_struct [noderef] __rcu *curr
kernel/sched/core.c:2192:33: 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:2192:33: sparse: expected struct task_struct *p
kernel/sched/core.c:2192:33: sparse: got struct task_struct [noderef] __rcu *curr
kernel/sched/core.c:2192:68: 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:2192:68: sparse: expected struct task_struct *tsk
kernel/sched/core.c:2192:68: sparse: got struct task_struct [noderef] __rcu *curr
kernel/sched/core.c:3592:17: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] sd @@ got struct sched_domain [noderef] __rcu *parent @@
kernel/sched/core.c:3592:17: sparse: expected struct sched_domain *[assigned] sd
kernel/sched/core.c:3592:17: sparse: got struct sched_domain [noderef] __rcu *parent
kernel/sched/core.c:3789:28: 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/core.c:3789:28: sparse: expected struct task_struct const *p
kernel/sched/core.c:3789:28: sparse: got struct task_struct [noderef] __rcu *curr
kernel/sched/core.c:9156:43: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct task_struct *push_task @@ got struct task_struct [noderef] __rcu *curr @@
kernel/sched/core.c:9156:43: sparse: expected struct task_struct *push_task
kernel/sched/core.c:9156:43: sparse: got struct task_struct [noderef] __rcu *curr
kernel/sched/core.c:5441:38: 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:5441:38: sparse: expected struct task_struct *curr
kernel/sched/core.c:5441:38: sparse: got struct task_struct [noderef] __rcu *curr
kernel/sched/core.c:6387:14: 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:6387:14: sparse: expected struct task_struct *prev
kernel/sched/core.c:6387:14: sparse: got struct task_struct [noderef] __rcu *curr
kernel/sched/core.c:6913:17: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/core.c:6913:17: sparse: struct task_struct *
kernel/sched/core.c:6913:17: sparse: struct task_struct [noderef] __rcu *
kernel/sched/core.c:7129:22: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/core.c:7129:22: sparse: struct task_struct [noderef] __rcu *
kernel/sched/core.c:7129:22: sparse: struct task_struct *
kernel/sched/core.c:11188:25: 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:11188:25: sparse: expected struct task_struct *p
kernel/sched/core.c:11188:25: sparse: got struct task_struct [noderef] __rcu *curr
kernel/sched/core.c: note: in included file:
kernel/sched/sched.h:1323:17: sparse: sparse: self-comparison always evaluates to true
kernel/sched/core.c:537:6: sparse: sparse: context imbalance in 'raw_spin_rq_lock_nested' - wrong count at exit
kernel/sched/sched.h:1323:17: sparse: sparse: self-comparison always evaluates to true
kernel/sched/core.c:562:6: sparse: sparse: context imbalance in 'raw_spin_rq_trylock' - wrong count at exit
kernel/sched/core.c:586:6: sparse: sparse: context imbalance in 'raw_spin_rq_unlock' - unexpected unlock
kernel/sched/sched.h:1582:9: sparse: sparse: context imbalance in '__task_rq_lock' - wrong count at exit
kernel/sched/sched.h:1582:9: sparse: sparse: context imbalance in 'task_rq_lock' - wrong count at exit
kernel/sched/core.c: note: in included file:
kernel/sched/pelt.h:97:13: 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/pelt.h:97:13: sparse: expected struct task_struct const *p
kernel/sched/pelt.h:97:13: sparse: got struct task_struct [noderef] __rcu *curr
kernel/sched/core.c:781:11: sparse: sparse: dereference of noderef expression
kernel/sched/core.c:2183:33: sparse: sparse: dereference of noderef expression
kernel/sched/core.c:2184:19: sparse: sparse: dereference of noderef expression
kernel/sched/core.c:2185:18: sparse: sparse: dereference of noderef expression
kernel/sched/core.c: note: in included file:
kernel/sched/sched.h:2060:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2060:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2060:25: sparse: struct task_struct *
kernel/sched/sched.h:2217:9: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2217:9: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2217:9: sparse: struct task_struct *
kernel/sched/core.c:2158:38: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/core.c:2158:38: sparse: struct task_struct [noderef] __rcu *
kernel/sched/core.c:2158:38: sparse: struct task_struct const *
kernel/sched/sched.h:2060:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2060:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2060:25: sparse: struct task_struct *
kernel/sched/sched.h:2217:9: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2217:9: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2217:9: sparse: struct task_struct *
kernel/sched/sched.h:2217:9: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2217:9: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2217:9: sparse: struct task_struct *
kernel/sched/sched.h:2060:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2060:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2060:25: sparse: struct task_struct *
kernel/sched/sched.h:2217:9: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2217:9: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2217:9: sparse: struct task_struct *
kernel/sched/sched.h:2060:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2060:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2060:25: sparse: struct task_struct *
kernel/sched/sched.h:2217:9: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2217:9: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2217:9: sparse: struct task_struct *
kernel/sched/sched.h:2060:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2060:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2060:25: sparse: struct task_struct *
kernel/sched/sched.h:2217:9: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2217:9: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2217:9: sparse: struct task_struct *
kernel/sched/sched.h:2060:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2060:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2060:25: sparse: struct task_struct *
kernel/sched/sched.h:2217:9: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2217:9: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2217:9: sparse: struct task_struct *
vim +711 kernel/sched/core.c
675
676 /*
677 * RQ-clock updating methods:
678 */
679
680 static void update_rq_clock_task(struct rq *rq, s64 delta)
681 {
682 /*
683 * In theory, the compile should just see 0 here, and optimize out the call
684 * to sched_rt_avg_update. But I don't trust it...
685 */
686 s64 __maybe_unused steal = 0, irq_delta = 0;
687
688 #ifdef CONFIG_IRQ_TIME_ACCOUNTING
689 irq_delta = irq_time_read(cpu_of(rq)) - rq->prev_irq_time;
690
691 /*
692 * Since irq_time is only updated on {soft,}irq_exit, we might run into
693 * this case when a previous update_rq_clock() happened inside a
694 * {soft,}irq region.
695 *
696 * When this happens, we stop ->clock_task and only update the
697 * prev_irq_time stamp to account for the part that fit, so that a next
698 * update will consume the rest. This ensures ->clock_task is
699 * monotonic.
700 *
701 * It does however cause some slight miss-attribution of {soft,}irq
702 * time, a more accurate solution would be to update the irq_time using
703 * the current rq->clock timestamp, except that would require using
704 * atomic ops.
705 */
706 if (irq_delta > delta)
707 irq_delta = delta;
708
709 rq->prev_irq_time += irq_delta;
710 delta -= irq_delta;
> 711 psi_account_irqtime(rq->curr, irq_delta);
712 #endif
713 #ifdef CONFIG_PARAVIRT_TIME_ACCOUNTING
714 if (static_key_false((¶virt_steal_rq_enabled))) {
715 steal = paravirt_steal_clock(cpu_of(rq));
716 steal -= rq->prev_steal_time_rq;
717
718 if (unlikely(steal > delta))
719 steal = delta;
720
721 rq->prev_steal_time_rq += steal;
722 delta -= steal;
723 }
724 #endif
725
726 rq->clock_task += delta;
727
--
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