函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:arch\x86\kernel\apic\io_apic.c Create Date:2022-07-27 09:29:03
Last Modify:2020-03-16 21:24:45 Copyright©Brick
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函数名称：unmask_ioapic_irq

函数原型：static void unmask_ioapic_irq(struct irq_data *irq_data)

返回类型：void

参数：

类型参数名称
struct irq_data *irq_data
486  data等于和中断控制器相关的私有数据
489  raw_spin_lock_irqsave( & ioapic_lock, flags)
490  __unmask_ioapic(data)
491  raw_spin_unlock_irqrestore( & ioapic_lock, flags)
调用者
名称描述
check_timerThis code may look a bit paranoid, but it's supposed to cooperate with* a wide range of boards and BIOS bugs. Fortunately only the timer IRQ* is so screwy. Thanks to Brian Perkins for testing/hacking this beast* fanatically on his truly buggy board.