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 11:09:22
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：允许中断

函数原型：void enable_irq(unsigned int irq)

返回类型：void

参数：

类型参数名称
unsigned intirq
628  desc等于irq_get_desc_buslock(irq, & flags, IRQ_GET_DESC_CHECK_GLOBAL)
630  如果非desc则返回
632  如果WARN(!中断控制器信息, r conditions "enable_irq before setup/request_irq: irq %u\n", irq)则转到:out
636  嵌套深度为1时使能中断
637  out :
638  irq_put_desc_busunlock(desc, flags)
调用者
名称描述
get_and_reset_irq
enable_nmiable_nmi - enable handling of an nmi*@irq: Interrupt to enable* The interrupt to enable must have been requested through request_nmi.* Undoes the effect of one call to disable_nmi(). If this* matches the last disable, processing of interrupts on this
make_8259A_irq