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 09:29:01
Last Modify:2020-03-16 21:24:45 Copyright©Brick
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函数名称:Reroute an IRQ to a different pin.

函数原型:static void __init replace_pin_at_irq_node(struct mp_chip_data *data, int node, int oldapic, int oldpin, int newapic, int newpin)

返回类型:void

参数:

类型参数名称
struct mp_chip_data *data
intnode
intoldapic
intoldpin
intnewapic
intnewpin
425  for_each_irq_pin(entry, irq_2_pin)
426  如果apic恒等于oldapicpin恒等于oldpin
427  apic等于newapic
428  pin等于newpin
430  返回
435  add_pin_to_irq_node(data, node, newapic, newpin)
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.