函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\irq\manage.c Create Date:2022-07-27 11:10:29
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：ardown_percpu_nmi - undoes NMI setup of IRQ line*@irq: Interrupt line from which CPU local NMI configuration should be* removed* This call undoes the setup done by prepare_percpu_nmi()

函数原型：void teardown_percpu_nmi(unsigned int irq)

返回类型：void

参数：

类型参数名称
unsigned intirq
2590  WARN_ON(preemptible())
2592  desc等于irq_get_desc_lock(irq, & flags, IRQ_GET_DESC_CHECK_PERCPU)
2594  如果非desc则返回
2597  如果WARN_ON(!(istate & IRQS_NMI))则转到:out
2600  irq_nmi_teardown(desc)
2601  out :
2602  irq_put_desc_unlock(desc, flags)