11:21 a.m.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git
locking/ww_rt_mutex
head: 401531ec0e4c84f3d26d07d1171f893fee6a08aa
commit: 511b1625b0aa486360862d240d93d54c005ccaf0 [4/18] locking/mutex: Make
mutex::wait_lock raw
config: nios2-buildonly-randconfig-r003-20210718 (attached as .config)
compiler: nios2-linux-gcc (GCC) 10.3.0
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O
~/bin/make.cross
chmod +x ~/bin/make.cross
#
https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git/commit/?...
git remote add peterz-queue
https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git
git fetch --no-tags peterz-queue locking/ww_rt_mutex
git checkout 511b1625b0aa486360862d240d93d54c005ccaf0
# save the attached .config to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-10.3.0 make.cross O=build_dir
ARCH=nios2 SHELL=/bin/bash lib/
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp(a)intel.com>
All errors (new ones prefixed by >>):
In file included from <command-line>:
lib/test_lockup.c: In function 'test_lockup_init':
> lib/test_lockup.c:505:43: error: 'raw_spinlock_t' {aka
'struct raw_spinlock'} has no member named 'rlock'; did you mean
'raw_lock'?
505 | offsetof(struct mutex,
wait_lock.rlock.magic),
| ^~~~~
include/linux/compiler_types.h:140:57: note: in definition of macro
'__compiler_offsetof'
140 | #define __compiler_offsetof(a, b) __builtin_offsetof(a, b)
| ^
lib/test_lockup.c:505:10: note: in expansion of macro 'offsetof'
505 | offsetof(struct mutex, wait_lock.rlock.magic),
| ^~~~~~~~
vim +505 lib/test_lockup.c
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 448
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 449 static int __init
test_lockup_init(void)
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 450 {
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 451 u64 test_start =
local_clock();
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 452
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 453 main_task = current;
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 454
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 455 switch (state[0]) {
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 456 case 'S':
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 457 wait_state =
TASK_INTERRUPTIBLE;
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 458 break;
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 459 case 'D':
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 460 wait_state =
TASK_UNINTERRUPTIBLE;
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 461 break;
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 462 case 'K':
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 463 wait_state = TASK_KILLABLE;
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 464 break;
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 465 case 'R':
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 466 wait_state = TASK_RUNNING;
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 467 break;
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 468 default:
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 469 pr_err("unknown
state=%s\n", state);
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 470 return -EINVAL;
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 471 }
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 472
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 473 if (alloc_pages_atomic)
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 474 alloc_pages_gfp = GFP_ATOMIC;
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 475
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 476 if
(test_kernel_ptr(lock_spinlock_ptr, sizeof(spinlock_t)) ||
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 477
test_kernel_ptr(lock_rwlock_ptr, sizeof(rwlock_t)) ||
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 478
test_kernel_ptr(lock_mutex_ptr, sizeof(struct mutex)) ||
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 479
test_kernel_ptr(lock_rwsem_ptr, sizeof(struct rw_semaphore)))
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 480 return -EINVAL;
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 481
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 482 #ifdef CONFIG_DEBUG_SPINLOCK
45e3d5a2af1d53 Sebastian Andrzej Siewior 2020-12-15 483 #ifdef CONFIG_PREEMPT_RT
45e3d5a2af1d53 Sebastian Andrzej Siewior 2020-12-15 484 if
(test_magic(lock_spinlock_ptr,
45e3d5a2af1d53 Sebastian Andrzej Siewior 2020-12-15 485 offsetof(spinlock_t,
lock.wait_lock.magic),
45e3d5a2af1d53 Sebastian Andrzej Siewior 2020-12-15 486 SPINLOCK_MAGIC) ||
45e3d5a2af1d53 Sebastian Andrzej Siewior 2020-12-15 487
test_magic(lock_rwlock_ptr,
45e3d5a2af1d53 Sebastian Andrzej Siewior 2020-12-15 488 offsetof(rwlock_t,
rtmutex.wait_lock.magic),
45e3d5a2af1d53 Sebastian Andrzej Siewior 2020-12-15 489 SPINLOCK_MAGIC) ||
45e3d5a2af1d53 Sebastian Andrzej Siewior 2020-12-15 490 test_magic(lock_mutex_ptr,
45e3d5a2af1d53 Sebastian Andrzej Siewior 2020-12-15 491 offsetof(struct mutex,
lock.wait_lock.magic),
45e3d5a2af1d53 Sebastian Andrzej Siewior 2020-12-15 492 SPINLOCK_MAGIC) ||
45e3d5a2af1d53 Sebastian Andrzej Siewior 2020-12-15 493 test_magic(lock_rwsem_ptr,
45e3d5a2af1d53 Sebastian Andrzej Siewior 2020-12-15 494 offsetof(struct
rw_semaphore, rtmutex.wait_lock.magic),
45e3d5a2af1d53 Sebastian Andrzej Siewior 2020-12-15 495 SPINLOCK_MAGIC))
45e3d5a2af1d53 Sebastian Andrzej Siewior 2020-12-15 496 return -EINVAL;
45e3d5a2af1d53 Sebastian Andrzej Siewior 2020-12-15 497 #else
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 498 if
(test_magic(lock_spinlock_ptr,
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 499 offsetof(spinlock_t,
rlock.magic),
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 500 SPINLOCK_MAGIC) ||
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 501
test_magic(lock_rwlock_ptr,
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 502 offsetof(rwlock_t,
magic),
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 503 RWLOCK_MAGIC) ||
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 504 test_magic(lock_mutex_ptr,
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 @505 offsetof(struct mutex,
wait_lock.rlock.magic),
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 506 SPINLOCK_MAGIC) ||
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 507 test_magic(lock_rwsem_ptr,
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 508 offsetof(struct
rw_semaphore, wait_lock.magic),
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 509 SPINLOCK_MAGIC))
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 510 return -EINVAL;
45e3d5a2af1d53 Sebastian Andrzej Siewior 2020-12-15 511 #endif
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 512 #endif
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 513
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 514 if ((wait_state != TASK_RUNNING
||
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 515 (call_cond_resched
&& !reacquire_locks) ||
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 516 (alloc_pages_nr &&
gfpflags_allow_blocking(alloc_pages_gfp))) &&
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 517 (test_disable_irq ||
disable_softirq || disable_preempt ||
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 518 lock_rcu ||
lock_spinlock_ptr || lock_rwlock_ptr)) {
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 519 pr_err("refuse to sleep
in atomic context\n");
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 520 return -EINVAL;
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 521 }
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 522
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 523 if (lock_mmap_sem &&
!main_task->mm) {
c1e8d7c6a7a682 Michel Lespinasse 2020-06-08 524 pr_err("no mm to lock
mmap_lock\n");
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 525 return -EINVAL;
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 526 }
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 527
aecd42df6d3993 Konstantin Khlebnikov 2020-04-06 528 if (test_file_path[0]) {
aecd42df6d3993 Konstantin Khlebnikov 2020-04-06 529 test_file =
filp_open(test_file_path, O_RDONLY, 0);
aecd42df6d3993 Konstantin Khlebnikov 2020-04-06 530 if (IS_ERR(test_file)) {
3adf3bae0d6123 Tiezhu Yang 2020-08-11 531 pr_err("failed to open
%s: %ld\n", test_file_path, PTR_ERR(test_file));
3adf3bae0d6123 Tiezhu Yang 2020-08-11 532 return PTR_ERR(test_file);
aecd42df6d3993 Konstantin Khlebnikov 2020-04-06 533 }
aecd42df6d3993 Konstantin Khlebnikov 2020-04-06 534 test_inode =
file_inode(test_file);
aecd42df6d3993 Konstantin Khlebnikov 2020-04-06 535 } else if (test_lock_inode ||
aecd42df6d3993 Konstantin Khlebnikov 2020-04-06 536 test_lock_mapping ||
aecd42df6d3993 Konstantin Khlebnikov 2020-04-06 537 test_lock_sb_umount) {
aecd42df6d3993 Konstantin Khlebnikov 2020-04-06 538 pr_err("no file to
lock\n");
aecd42df6d3993 Konstantin Khlebnikov 2020-04-06 539 return -EINVAL;
aecd42df6d3993 Konstantin Khlebnikov 2020-04-06 540 }
aecd42df6d3993 Konstantin Khlebnikov 2020-04-06 541
aecd42df6d3993 Konstantin Khlebnikov 2020-04-06 542 if (test_lock_inode &&
test_inode)
aecd42df6d3993 Konstantin Khlebnikov 2020-04-06 543 lock_rwsem_ptr = (unsigned
long)&test_inode->i_rwsem;
aecd42df6d3993 Konstantin Khlebnikov 2020-04-06 544
aecd42df6d3993 Konstantin Khlebnikov 2020-04-06 545 if (test_lock_mapping
&& test_file && test_file->f_mapping)
aecd42df6d3993 Konstantin Khlebnikov 2020-04-06 546 lock_rwsem_ptr = (unsigned
long)&test_file->f_mapping->i_mmap_rwsem;
aecd42df6d3993 Konstantin Khlebnikov 2020-04-06 547
aecd42df6d3993 Konstantin Khlebnikov 2020-04-06 548 if (test_lock_sb_umount
&& test_inode)
aecd42df6d3993 Konstantin Khlebnikov 2020-04-06 549 lock_rwsem_ptr = (unsigned
long)&test_inode->i_sb->s_umount;
aecd42df6d3993 Konstantin Khlebnikov 2020-04-06 550
ad3f434b87e7d2 Colin Ian King 2020-04-06 551 pr_notice("START pid=%d
time=%u +%u ns cooldown=%u +%u ns iterations=%u state=%s %s%s%s%s%s%s%s%s%s%s%s\n",
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 552 main_task->pid,
time_secs, time_nsecs,
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 553 cooldown_secs,
cooldown_nsecs, iterations, state,
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 554 all_cpus ? "all_cpus
" : "",
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 555 iowait ? "iowait "
: "",
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 556 test_disable_irq ?
"disable_irq " : "",
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 557 disable_softirq ?
"disable_softirq " : "",
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 558 disable_preempt ?
"disable_preempt " : "",
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 559 lock_rcu ? "lock_rcu
" : "",
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 560 lock_read ? "lock_read
" : "",
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 561 touch_softlockup ?
"touch_softlockup " : "",
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 562 touch_hardlockup ?
"touch_hardlockup " : "",
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 563 call_cond_resched ?
"call_cond_resched " : "",
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 564 reacquire_locks ?
"reacquire_locks " : "");
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 565
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 566 if (alloc_pages_nr)
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 567 pr_notice("ALLOCATE PAGES
nr=%u order=%u gfp=%pGg %s\n",
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 568 alloc_pages_nr,
alloc_pages_order, &alloc_pages_gfp,
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 569 reallocate_pages ?
"reallocate_pages " : "");
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 570
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 571 if (all_cpus) {
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 572 unsigned int cpu;
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 573
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 574 cpus_read_lock();
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 575
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 576 preempt_disable();
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 577 master_cpu =
smp_processor_id();
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 578 for_each_online_cpu(cpu) {
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 579
INIT_WORK(per_cpu_ptr(&test_works, cpu), test_work_fn);
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 580 queue_work_on(cpu,
system_highpri_wq,
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 581
per_cpu_ptr(&test_works, cpu));
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 582 }
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 583 preempt_enable();
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 584
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 585 for_each_online_cpu(cpu)
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 586
flush_work(per_cpu_ptr(&test_works, cpu));
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 587
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 588 cpus_read_unlock();
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 589 } else {
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 590 test_lockup(true);
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 591 }
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 592
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 593 if (measure_lock_wait)
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 594 pr_notice("Maximum lock
wait: %lld ns\n",
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 595
atomic64_read(&max_lock_wait));
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 596
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 597 if (alloc_pages_nr)
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 598 pr_notice("Page
allocation failed %u times\n",
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 599
atomic_read(&alloc_pages_failed));
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 600
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 601 pr_notice("FINISH in %llu
ns\n", local_clock() - test_start);
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 602
aecd42df6d3993 Konstantin Khlebnikov 2020-04-06 603 if (test_file)
aecd42df6d3993 Konstantin Khlebnikov 2020-04-06 604 fput(test_file);
aecd42df6d3993 Konstantin Khlebnikov 2020-04-06 605
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 606 if (signal_pending(main_task))
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 607 return -EINTR;
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 608
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 609 return -EAGAIN;
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 610 }
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 611 module_init(test_lockup_init);
30428ef5d1e8ca Konstantin Khlebnikov 2020-04-06 612
:::::: The code at line 505 was first introduced by commit
:::::: 30428ef5d1e8caf78639cc70a802f1cb7b1cec04 lib/test_lockup: test module to generate
lockups
:::::: TO: Konstantin Khlebnikov <khlebnikov(a)yandex-team.ru>
:::::: CC: Linus Torvalds <torvalds(a)linux-foundation.org>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org