[linux-next:master] [lib] f4806cc63c: INFO:trying_to_register_non-static_key

Hello,

kernel test robot noticed "INFO:trying_to_register_non-static_key" on:

commit: f4806cc63cc65bd752fd72d84937614dca6504ec ("lib: test bitmap vs IDA vs Maple Tree performance for region allocations")
https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git master

[test failed on linux-next/master 415606a7be939835db9b0d6b711887586646346d]

in testcase: trinity
version: 
with following parameters:

	runtime: 300s
	group: group-04
	nr_groups: 5



config: x86_64-randconfig-r071-20260801
compiler: gcc-12
test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 -m 32G

(please refer to attached dmesg/kmsg for entire log/backtrace)


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 <[email protected]>
| Closes: https://lore.kernel.org/oe-lkp/[email protected]



[   17.750298][    T1] INFO: trying to register non-static key.
[   17.752032][    T1] The code is fine but needs lockdep annotation, or maybe
[   17.752032][    T1] you didn't initialize this object before use?
[   17.752032][    T1] turning off the locking correctness validator.
[   17.752032][    T1] CPU: 1 UID: 0 PID: 1 Comm: swapper/0 Not tainted 7.2.0-rc4-00086-gf4806cc63cc6 #1 PREEMPT(full)
[   17.752032][    T1] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   17.752032][    T1] Call Trace:
[   17.752032][    T1]  <TASK>
[   17.752032][    T1]  dump_stack_lvl (dump_stack.c:94 dump_stack.c:120)
[   17.752032][    T1]  register_lock_class (locking/lockdep.c:1332)
[   17.752032][    T1]  ? __lock_release+0x53/0x10d
[   17.752032][    T1]  ? mtree_alloc_range (linux/spinlock.h:342 maple_tree.c:5800)
[   17.752032][    T1]  __lock_acquire (locking/lockdep.c:5112)
[   17.752032][    T1]  ? mtree_alloc_range (linux/spinlock.h:342 maple_tree.c:5800)
[   17.752032][    T1]  lock_acquire (trace/events/lock.h:23 locking/lockdep.c:5831)
[   17.752032][    T1]  ? mtree_alloc_range (linux/spinlock.h:342 maple_tree.c:5800)
[   17.752032][    T1]  ? lock_acquire (trace/events/lock.h:23 locking/lockdep.c:5831)
[   17.752032][    T1]  _raw_spin_lock (linux/spinlock_api_smp.h:158 locking/spinlock.c:158)
[   17.752032][    T1]  ? mtree_alloc_range (linux/spinlock.h:342 maple_tree.c:5800)
[   17.752032][    T1]  mtree_alloc_range (linux/spinlock.h:342 maple_tree.c:5800)
[   17.752032][    T1]  ? mtree_insert (maple_tree.c:5783)
[   17.752032][    T1]  ? kvm_clock_read (x86/kernel/kvmclock.c:80)
[   17.752032][    T1]  benchmark_maple_tree (region_alloc_benchmark.c:136)
[   17.752032][    T1]  ? benchmark_bitmap (region_alloc_benchmark.c:58 (discriminator 3))
[   17.752032][    T1]  ? _printk (printk/printk.c:2504)
[   17.752032][    T1]  ? benchmark_bitmap (region_alloc_benchmark.c:54 (discriminator 3))
[   17.752032][    T1]  region_alloc_benchmark (region_alloc_benchmark.c:197)
[   17.752032][    T1]  ? bfq_init (bfq-iosched.c:7649)
[   17.752032][    T1]  ? benchmark_ida (region_alloc_benchmark.c:124)
[   17.752032][    T1]  do_one_initcall (main.c:1347)
[   17.752032][    T1]  ? rcu_lock_acquire (linux/rcupdate.h:960)
[   17.752032][    T1]  ? __kmalloc_noprof (slub.c:5363 slub.c:5387)
[   17.752032][    T1]  ? do_initcalls (linux/slab.h:973 linux/slab.h:1290 main.c:1418)
[   17.752032][    T1]  do_initcalls (main.c:1409 main.c:1425)
[   17.752032][    T1]  kernel_init_freeable (main.c:1445 main.c:1658)
[   17.752032][    T1]  ? rest_init (main.c:717)
[   17.752032][    T1]  kernel_init (main.c:1548)
[   17.752032][    T1]  ret_from_fork (x86/kernel/process.c:158)
[   17.752032][    T1]  ? arch_exit_to_user_mode_prepare+0x74/0x74
[   17.752032][    T1]  ? rest_init (main.c:717)
[   17.752032][    T1]  ret_from_fork_asm (x86/entry/entry_64.S:245)
[   17.752032][    T1]  </TASK>
[   24.013548][    T1] Maple     3779202887    2484049644     60575   1000000     1550928
[   24.990890][    T1] IDA        575247255     396825927     60575   1000000      134928
[   25.327943][    T1] Bitmap       8349201         80133      6156    100000       12504
[   25.366002][   T29] Freeing initrd memory: 118776K
[   25.842057][    T1] Maple      293091941     215862643      6156    100000      157776
[   25.941163][    T1] IDA         59238562      34683461      6156    100000       14352
[   25.989651][    T1] Bitmap        109541          8255       612     10000        1256
[   26.030185][    T1] Maple       19150121      16184256       612     10000       15952
[   26.042611][    T1] IDA          4157285       3069915       612     10000        1936
[   26.054183][    T1] Bitmap          7207          1471        55      1000         128
[   26.066923][    T1] Maple        1873335       1797272        55      1000        1616
[   26.075720][    T1] IDA           680707        581315        55      1000         208
[   26.082353][    T1] Bitmap          2691           523        22       100          16
[   26.087980][    T1] Maple         177500        187648        22       100         848
[   26.093213][    T1] IDA            62046         36889        22       100         208
[   26.098353][    T1] Bitmap          1028           314        10        10           8
[   26.103600][    T1] Maple          49537         47114        10        10         336
[   26.108703][    T1] IDA             6863          4643        10        10          80
[   26.113754][    T1] Region allocation benchmark complete


The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20260812/[email protected]



-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki