Skip to content
  • Peter Zijlstra's avatar
    [PATCH] lockdep: annotate DECLARE_WAIT_QUEUE_HEAD · 7259f0d0
    Peter Zijlstra authored
    
    
    kernel: INFO: trying to register non-static key.
    kernel: the code is fine but needs lockdep annotation.
    kernel: turning off the locking correctness validator.
    kernel:  [<c04051ed>] show_trace_log_lvl+0x58/0x16a
    kernel:  [<c04057fa>] show_trace+0xd/0x10
    kernel:  [<c0405913>] dump_stack+0x19/0x1b
    kernel:  [<c043b1e2>] __lock_acquire+0xf0/0x90d
    kernel:  [<c043bf70>] lock_acquire+0x4b/0x6b
    kernel:  [<c061472f>] _spin_lock_irqsave+0x22/0x32
    kernel:  [<c04363d3>] prepare_to_wait+0x17/0x4b
    kernel:  [<f89a24b6>] lpfc_do_work+0xdd/0xcc2 [lpfc]
    kernel:  [<c04361b9>] kthread+0xc3/0xf2
    kernel:  [<c0402005>] kernel_thread_helper+0x5/0xb
    
    Another case of non-static lockdep keys; duplicate the paradigm set by
    DECLARE_COMPLETION_ONSTACK and introduce DECLARE_WAIT_QUEUE_HEAD_ONSTACK.
    
    Signed-off-by: default avatarPeter Zijlstra <a.p.zijlstra@chello.nl>
    Cc: Greg KH <gregkh@suse.de>
    Cc: Markus Lidel <markus.lidel@shadowconnect.com>
    Acked-by: default avatarIngo Molnar <mingo@elte.hu>
    Cc: Arjan van de Ven <arjan@infradead.org>
    Cc: James Bottomley <James.Bottomley@steeleye.com>
    Cc: Marcel Holtmann <marcel@holtmann.org>
    Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
    Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
    7259f0d0