函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:arch\x86\kernel\irq_32.c Create Date:2022-07-27 08:32:44
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：handle_irq

函数原型：void handle_irq(struct irq_desc *desc, struct pt_regs *regs)

返回类型：void

参数：

类型参数名称
struct irq_desc *desc
struct pt_regs *regs
153  overflow等于check_stack_overflow()
155  如果ser_mode(regs) determines whether a register set came from user* mode或非execute_on_irq_stack(overflow, desc)则
156  如果此条件成立可能性小(为编译器优化)(overflow)则print_stack_overflow()
158  Architectures call this to let the generic IRQ layer* handle an interrupt.
调用者
名称描述
do_IRQdo_IRQ handles all normal device IRQ's (the special* SMP cross-CPU interrupts have their own specific* handlers).