INFO: trying to register non-static key

From: Zdenek Kabelac
Date: Wed Aug 05 2009 - 04:55:53 EST


Hi

After update to current git vanilla head
90bc1a658a53f8832ee799685703977a450e5af9
(building x86_64 kernel) I've got attached INFO message.

Probably a result of some commit between 31-rc5-00000 & 31-rc5-00246

PCI: Using ACPI for IRQ routing
INFO: trying to register non-static key.
the code is fine but needs lockdep annotation.
turning off the locking correctness validator.
Pid: 1, comm: swapper Not tainted 2.6.31-rc5-00248-g804067f #80
Call Trace:
[<ffffffff810775a2>] register_lock_class+0x202/0x440
[<ffffffff8137eb90>] ? _write_unlock_irqrestore+0x40/0x70
[<ffffffff8107a86d>] ? trace_hardirqs_on_caller+0x15d/0x1a0
[<ffffffff8107a8bd>] ? trace_hardirqs_on+0xd/0x10
[<ffffffff8107b353>] __lock_acquire+0x83/0x1090
[<ffffffff810fd015>] ? kmem_cache_alloc_notrace+0xe5/0x140
[<ffffffff8107c3f8>] lock_acquire+0x98/0x140
[<ffffffff812f9c99>] ? alloc_netdev_mq+0x139/0x220
[<ffffffff8137f04b>] _spin_lock_bh+0x3b/0x70
[<ffffffff812f9c99>] ? alloc_netdev_mq+0x139/0x220
[<ffffffff812f9c99>] alloc_netdev_mq+0x139/0x220
[<ffffffff812b71c0>] ? loopback_setup+0x0/0x80
[<ffffffff815b25b0>] loopback_net_init+0x28/0x78
[<ffffffff812f200d>] register_pernet_operations+0x1d/0x20
[<ffffffff812f20c6>] register_pernet_device+0x36/0x80
[<ffffffff815b733c>] net_dev_init+0x154/0x1b1
[<ffffffff815b71e8>] ? net_dev_init+0x0/0x1b1
[<ffffffff8100904f>] do_one_initcall+0x3f/0x1b0
[<ffffffff811d600e>] ? ida_get_new_above+0x13e/0x200
[<ffffffff8107a577>] ? mark_held_locks+0x67/0x90
[<ffffffff8107a8bd>] ? trace_hardirqs_on+0xd/0x10
[<ffffffff81079fa5>] ? lock_release_holdtime+0x35/0x1b0
[<ffffffff8137ee0b>] ? _spin_unlock+0x2b/0x40
[<ffffffff81159797>] ? proc_register+0x127/0x210
[<ffffffff81159e7e>] ? create_proc_entry+0x5e/0xb0
[<ffffffff810a25c4>] ? register_irq_proc+0xc4/0xe0
[<ffffffff8158e4e8>] kernel_init+0x152/0x1a8
[<ffffffff8100d1da>] child_rip+0xa/0x20
[<ffffffff8100cb7c>] ? restore_args+0x0/0x30
[<ffffffff8158e396>] ? kernel_init+0x0/0x1a8
[<ffffffff8100d1d0>] ? child_rip+0x0/0x20
hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0
hpet0: 3 comparators, 64-bit 14.318180 MHz counter
Switched to high resolution mode on CPU 0
Switched to high resolution mode on CPU 1

Zdenek
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