irqs_to_free_lock 180 arch/um/drivers/chan_kern.c static DEFINE_SPINLOCK(irqs_to_free_lock); irqs_to_free_lock 190 arch/um/drivers/chan_kern.c spin_lock_irqsave(&irqs_to_free_lock, flags); irqs_to_free_lock 192 arch/um/drivers/chan_kern.c spin_unlock_irqrestore(&irqs_to_free_lock, flags); irqs_to_free_lock 213 arch/um/drivers/chan_kern.c spin_lock_irqsave(&irqs_to_free_lock, flags); irqs_to_free_lock 215 arch/um/drivers/chan_kern.c spin_unlock_irqrestore(&irqs_to_free_lock, flags);