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 11:10:03
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：free_nmi

函数原型：const void *free_nmi(unsigned int irq, void *dev_id)

返回类型：void

参数：

类型参数名称
unsigned intirq
void *dev_id
1894  desc等于中断转换为描述
1898  如果非desc或WARN_ON(!(istate & IRQS_NMI))则返回:NULL
1901  如果WARN_ON(irq_settings_is_per_cpu_devid(desc))则返回:NULL
1905  如果WARN_ON(嵌套级数 == 0)则disable_nmi_nosync - disable an nmi without waiting*@irq: Interrupt to disable* Disable the selected interrupt line
1908  raw_spin_lock_irqsave( & 自旋锁, flags)
1910  irq_nmi_teardown(desc)
1911  devname等于This function must be called with desc->lock held
1913  raw_spin_unlock_irqrestore( & 自旋锁, flags)
1915  返回:devname