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 09:29:27
Last Modify:2020-03-16 21:24:45 Copyright©Brick
首页 函数Tree
注解内核,赢得工具下载SCCTEnglish

函数名称：setup_IO_APIC_irqs

函数原型：static void __init setup_IO_APIC_irqs(void)

返回类型：void

参数：无

1214  Define the default level of output to be very little* This can be turned up by using apic=verbose for more* information and apic=debug for _lots_ of information.* apic_verbosity is defined in apic.c(APIC_VERBOSE, debug-level messages "init IO_APIC IRQs\n")
1216  for_each_ioapic_pin(ioapic, pin)
1217  idx等于Find the IRQ entry number of a certain pin.
1218  如果idx小于0则Define the default level of output to be very little* This can be turned up by using apic=verbose for more* information and apic=debug for _lots_ of information.* apic_verbosity is defined in apic.c(APIC_VERBOSE, debug-level messages " apic %d pin %d not connected\n", mpc_ioapic_id(ioapic), pin)
1222  否则pin_2_irq(idx, ioapic, pin, ioapic ? 0 : IOAPIC_MAP_ALLOC)
调用者
名称描述
setup_IO_APIC