Linux kernel - Appreciation of user space interrupt implementation

/*
	先看一下 入口函数吧. (这里去掉了一些条件编译)
*/
el0_irq:
	kernel_entry 0
el0_irq_naked:
	gic_prio_irq_setup pmr=x20, tmp=x0
	ct_user_exit_irqoff
	enable_da_f
	irq_handler
	b	ret_to_user
ENDPROC(el0_irq)

static asmlinkage void __exception_irq_entry gic_handle_irq(struct pt_regs *regs)
{
    
    

}

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Origin blog.csdn.net/leesagacious/article/details/92437681