* [linux-next:master 104/10296] kernel/sched/ext.c:631:22: sparse: sparse: symbol 'scx_dump_data' was not declared. Should it be static?
@ 2024-09-06 18:58 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2024-09-06 18:58 UTC (permalink / raw)
To: Tejun Heo; +Cc: oe-kbuild-all, Linux Memory Management List, David Vernet
tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head: 9aaeb87ce1e966169a57f53a02ba05b30880ffb8
commit: 07814a9439a3b03d79a1001614b5bc1cab69bcec [104/10296] sched_ext: Print debug dump after an error exit
config: loongarch-randconfig-r131-20240906 (https://download.01.org/0day-ci/archive/20240907/202409070218.RB5WsQ07-lkp@intel.com/config)
compiler: loongarch64-linux-gcc (GCC) 14.1.0
reproduce: (https://download.01.org/0day-ci/archive/20240907/202409070218.RB5WsQ07-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/202409070218.RB5WsQ07-lkp@intel.com/
sparse warnings: (new ones prefixed by >>)
kernel/sched/build_policy.c: note: in included file:
kernel/sched/rt.c:916:70: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/rt.c:916:70: sparse: struct task_struct [noderef] __rcu *
kernel/sched/rt.c:916:70: sparse: struct task_struct *
kernel/sched/rt.c:2364:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/rt.c:2364:25: sparse: struct task_struct *
kernel/sched/rt.c:2364:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/rt.c:1002:38: 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:1002:38: sparse: expected struct task_struct *curr
kernel/sched/rt.c:1002:38: sparse: got struct task_struct [noderef] __rcu *curr
kernel/sched/rt.c:1536:31: 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:1536:31: sparse: expected struct task_struct *p
kernel/sched/rt.c:1536:31: sparse: got struct task_struct [noderef] __rcu *curr
kernel/sched/rt.c:1876:9: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] sd @@ got struct sched_domain [noderef] __rcu *parent @@
kernel/sched/rt.c:1876:9: sparse: expected struct sched_domain *[assigned] sd
kernel/sched/rt.c:1876:9: sparse: got struct sched_domain [noderef] __rcu *parent
kernel/sched/rt.c:1556:14: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct task_struct *curr @@ got struct task_struct [noderef] __rcu * @@
kernel/sched/rt.c:1556:14: sparse: expected struct task_struct *curr
kernel/sched/rt.c:1556:14: sparse: got struct task_struct [noderef] __rcu *
kernel/sched/rt.c:1621:45: 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:1621:45: sparse: expected struct task_struct *p
kernel/sched/rt.c:1621:45: sparse: got struct task_struct [noderef] __rcu *curr
kernel/sched/rt.c:1682:67: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *tsk @@ got struct task_struct [noderef] __rcu *curr @@
kernel/sched/rt.c:1682:67: sparse: expected struct task_struct *tsk
kernel/sched/rt.c:1682:67: sparse: got struct task_struct [noderef] __rcu *curr
kernel/sched/rt.c:2044:40: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *task @@ got struct task_struct [noderef] __rcu *curr @@
kernel/sched/rt.c:2044:40: sparse: expected struct task_struct *task
kernel/sched/rt.c:2044:40: sparse: got struct task_struct [noderef] __rcu *curr
kernel/sched/rt.c:2067:13: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/rt.c:2067:13: sparse: struct task_struct *
kernel/sched/rt.c:2067:13: sparse: struct task_struct [noderef] __rcu *
kernel/sched/rt.c:2417:54: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *tsk @@ got struct task_struct [noderef] __rcu *curr @@
kernel/sched/rt.c:2417:54: sparse: expected struct task_struct *tsk
kernel/sched/rt.c:2417:54: sparse: got struct task_struct [noderef] __rcu *curr
kernel/sched/rt.c:2419:40: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *curr @@
kernel/sched/rt.c:2419:40: sparse: expected struct task_struct *p
kernel/sched/rt.c:2419:40: sparse: got struct task_struct [noderef] __rcu *curr
kernel/sched/rt.c:2419:61: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *curr @@
kernel/sched/rt.c:2419:61: sparse: expected struct task_struct *p
kernel/sched/rt.c:2419:61: sparse: got struct task_struct [noderef] __rcu *curr
kernel/sched/build_policy.c: note: in included file:
kernel/sched/deadline.c:2401:23: 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:2401:23: sparse: expected struct task_struct *p
kernel/sched/deadline.c:2401:23: sparse: got struct task_struct [noderef] __rcu *curr
kernel/sched/deadline.c:2411:13: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/deadline.c:2411:13: sparse: struct task_struct *
kernel/sched/deadline.c:2411:13: sparse: struct task_struct [noderef] __rcu *
kernel/sched/deadline.c:2519:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/deadline.c:2519:25: sparse: struct task_struct *
kernel/sched/deadline.c:2519:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/deadline.c:2026:42: 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:2026:42: sparse: expected struct sched_dl_entity const *b
kernel/sched/deadline.c:2026:42: sparse: got struct sched_dl_entity [noderef] __rcu *
kernel/sched/deadline.c:2037:38: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *tsk @@ got struct task_struct [noderef] __rcu *curr @@
kernel/sched/deadline.c:2037:38: sparse: expected struct task_struct *tsk
kernel/sched/deadline.c:2037:38: sparse: got struct task_struct [noderef] __rcu *curr
kernel/sched/deadline.c:1220:23: 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:1220:23: sparse: expected struct task_struct *p
kernel/sched/deadline.c:1220:23: sparse: got struct task_struct [noderef] __rcu *curr
kernel/sched/deadline.c:1444:38: 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:1444:38: sparse: expected struct task_struct *curr
kernel/sched/deadline.c:1444:38: sparse: got struct task_struct [noderef] __rcu *curr
kernel/sched/deadline.c:2262:9: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] sd @@ got struct sched_domain [noderef] __rcu *parent @@
kernel/sched/deadline.c:2262:9: sparse: expected struct sched_domain *[assigned] sd
kernel/sched/deadline.c:2262:9: sparse: got struct sched_domain [noderef] __rcu *parent
kernel/sched/deadline.c:1911:14: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct task_struct *curr @@ got struct task_struct [noderef] __rcu * @@
kernel/sched/deadline.c:1911:14: sparse: expected struct task_struct *curr
kernel/sched/deadline.c:1911:14: sparse: got struct task_struct [noderef] __rcu *
kernel/sched/deadline.c:1987:43: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *curr @@
kernel/sched/deadline.c:1987:43: sparse: expected struct task_struct *p
kernel/sched/deadline.c:1987:43: sparse: got struct task_struct [noderef] __rcu *curr
kernel/sched/deadline.c:2566:38: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *tsk @@ got struct task_struct [noderef] __rcu *curr @@
kernel/sched/deadline.c:2566:38: sparse: expected struct task_struct *tsk
kernel/sched/deadline.c:2566:38: sparse: got struct task_struct [noderef] __rcu *curr
kernel/sched/deadline.c:2568:23: 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:2568:23: sparse: expected struct task_struct *p
kernel/sched/deadline.c:2568:23: sparse: got struct task_struct [noderef] __rcu *curr
kernel/sched/deadline.c:2570:44: 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:2570:44: sparse: expected struct sched_dl_entity const *b
kernel/sched/deadline.c:2570:44: sparse: got struct sched_dl_entity [noderef] __rcu *
kernel/sched/deadline.c:2745:22: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/deadline.c:2745:22: sparse: struct task_struct [noderef] __rcu *
kernel/sched/deadline.c:2745:22: sparse: struct task_struct *
kernel/sched/deadline.c:2794:32: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *curr @@
kernel/sched/build_policy.c: note: in included file:
kernel/sched/ext.c:531:25: sparse: sparse: symbol 'scx_has_op' was not declared. Should it be static?
>> kernel/sched/ext.c:631:22: sparse: sparse: symbol 'scx_dump_data' was not declared. Should it be static?
kernel/sched/ext.c:982:38: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct task_struct *curr @@ got struct task_struct [noderef] __rcu *curr @@
kernel/sched/ext.c:1399:35: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *curr @@
kernel/sched/ext.c:1409:38: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct task_struct *from @@ got struct task_struct [noderef] __rcu *curr @@
>> kernel/sched/ext.c:3444:52: sparse: sparse: incorrect type in argument 3 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *curr @@
kernel/sched/ext.c:4824:33: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/ext.c:4824:33: sparse: struct task_struct [noderef] __rcu *
kernel/sched/ext.c:4824:33: sparse: struct task_struct const *
kernel/sched/build_policy.c: note: in included file:
kernel/sched/syscalls.c:206:22: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/syscalls.c:206:22: sparse: struct task_struct [noderef] __rcu *
kernel/sched/syscalls.c:206:22: sparse: struct task_struct *
kernel/sched/build_policy.c: note: in included file:
kernel/sched/sched.h:2214:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2214:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2214:25: sparse: struct task_struct *
kernel/sched/sched.h:2214:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2214:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2214:25: sparse: struct task_struct *
kernel/sched/sched.h:2214:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2214:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2214:25: sparse: struct task_struct *
kernel/sched/sched.h:2214:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2214:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2214:25: sparse: struct task_struct *
kernel/sched/sched.h:2214:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2214:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2214:25: sparse: struct task_struct *
kernel/sched/sched.h:2214:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2214:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2214:25: sparse: struct task_struct *
kernel/sched/sched.h:2214:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2214:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2214:25: sparse: struct task_struct *
kernel/sched/sched.h:2214:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2214:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2214:25: sparse: struct task_struct *
kernel/sched/sched.h:2214:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2214:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2214:25: sparse: struct task_struct *
kernel/sched/sched.h:2389:9: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2389:9: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2389:9: sparse: struct task_struct *
kernel/sched/sched.h:2214:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2214:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2214:25: sparse: struct task_struct *
kernel/sched/sched.h:2389:9: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2389:9: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2389:9: sparse: struct task_struct *
kernel/sched/build_policy.c: note: in included file:
kernel/sched/syscalls.c:1426:6: sparse: sparse: context imbalance in 'sched_getaffinity' - wrong count at exit
kernel/sched/build_policy.c: note: in included file:
kernel/sched/rt.c:1707:15: sparse: sparse: dereference of noderef expression
vim +/scx_dump_data +631 kernel/sched/ext.c
530
> 531 struct static_key_false scx_has_op[SCX_OPI_END] =
532 { [0 ... SCX_OPI_END-1] = STATIC_KEY_FALSE_INIT };
533
534 static atomic_t scx_exit_kind = ATOMIC_INIT(SCX_EXIT_DONE);
535 static struct scx_exit_info *scx_exit_info;
536
537 static atomic_long_t scx_nr_rejected = ATOMIC_LONG_INIT(0);
538
539 /*
540 * The maximum amount of time in jiffies that a task may be runnable without
541 * being scheduled on a CPU. If this timeout is exceeded, it will trigger
542 * scx_ops_error().
543 */
544 static unsigned long scx_watchdog_timeout;
545
546 /*
547 * The last time the delayed work was run. This delayed work relies on
548 * ksoftirqd being able to run to service timer interrupts, so it's possible
549 * that this work itself could get wedged. To account for this, we check that
550 * it's not stalled in the timer tick, and trigger an error if it is.
551 */
552 static unsigned long scx_watchdog_timestamp = INITIAL_JIFFIES;
553
554 static struct delayed_work scx_watchdog_work;
555
556 /* idle tracking */
557 #ifdef CONFIG_SMP
558 #ifdef CONFIG_CPUMASK_OFFSTACK
559 #define CL_ALIGNED_IF_ONSTACK
560 #else
561 #define CL_ALIGNED_IF_ONSTACK __cacheline_aligned_in_smp
562 #endif
563
564 static struct {
565 cpumask_var_t cpu;
566 cpumask_var_t smt;
567 } idle_masks CL_ALIGNED_IF_ONSTACK;
568
569 #endif /* CONFIG_SMP */
570
571 /*
572 * Direct dispatch marker.
573 *
574 * Non-NULL values are used for direct dispatch from enqueue path. A valid
575 * pointer points to the task currently being enqueued. An ERR_PTR value is used
576 * to indicate that direct dispatch has already happened.
577 */
578 static DEFINE_PER_CPU(struct task_struct *, direct_dispatch_task);
579
580 /* dispatch queues */
581 static struct scx_dispatch_q __cacheline_aligned_in_smp scx_dsq_global;
582
583 static const struct rhashtable_params dsq_hash_params = {
584 .key_len = 8,
585 .key_offset = offsetof(struct scx_dispatch_q, id),
586 .head_offset = offsetof(struct scx_dispatch_q, hash_node),
587 };
588
589 static struct rhashtable dsq_hash;
590 static LLIST_HEAD(dsqs_to_free);
591
592 /* dispatch buf */
593 struct scx_dsp_buf_ent {
594 struct task_struct *task;
595 unsigned long qseq;
596 u64 dsq_id;
597 u64 enq_flags;
598 };
599
600 static u32 scx_dsp_max_batch;
601
602 struct scx_dsp_ctx {
603 struct rq *rq;
604 struct rq_flags *rf;
605 u32 cursor;
606 u32 nr_tasks;
607 struct scx_dsp_buf_ent buf[];
608 };
609
610 static struct scx_dsp_ctx __percpu *scx_dsp_ctx;
611
612 /* string formatting from BPF */
613 struct scx_bstr_buf {
614 u64 data[MAX_BPRINTF_VARARGS];
615 char line[SCX_EXIT_MSG_LEN];
616 };
617
618 static DEFINE_RAW_SPINLOCK(scx_exit_bstr_buf_lock);
619 static struct scx_bstr_buf scx_exit_bstr_buf;
620
621 /* ops debug dump */
622 struct scx_dump_data {
623 s32 cpu;
624 bool first;
625 s32 cursor;
626 struct seq_buf *s;
627 const char *prefix;
628 struct scx_bstr_buf buf;
629 };
630
> 631 struct scx_dump_data scx_dump_data = {
632 .cpu = -1,
633 };
634
--
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https://github.com/intel/lkp-tests/wiki
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2024-09-06 18:58 [linux-next:master 104/10296] kernel/sched/ext.c:631:22: sparse: sparse: symbol 'scx_dump_data' was not declared. Should it be static? kernel test robot
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