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 09:29:45
Last Modify:2020-03-16 21:24:45 Copyright©Brick
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函数名称：ioapic_configure_entry

函数原型：static void ioapic_configure_entry(struct irq_data *irqd)

返回类型：void

参数：

类型参数名称
struct irq_data *irqd
1867  mpd等于和中断控制器相关的私有数据
1868  cfg等于irqd_cfg(irqd)
1876  如果中断控制器信息恒等于ioapic_chip则
1877  dest等于dest_apicid
1878  vector等于vector
1880  for_each_irq_pin(entry, irq_2_pin)
1881  When we write a new IO APIC routing entry, we need to write the high* word first! If the mask bit in the low word is clear, we will enable* the interrupt, and we need to make sure the entry is fully populated* before that happens.
调用者
名称描述
ioapic_set_affinity
mp_irqdomain_activate