once_lock 35 lib/once.c static DEFINE_SPINLOCK(once_lock); once_lock 38 lib/once.c __acquires(once_lock) once_lock 40 lib/once.c spin_lock_irqsave(&once_lock, *flags); once_lock 42 lib/once.c spin_unlock_irqrestore(&once_lock, *flags); once_lock 47 lib/once.c __acquire(once_lock); once_lock 57 lib/once.c __releases(once_lock) once_lock 60 lib/once.c spin_unlock_irqrestore(&once_lock, *flags);