Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:arch\x86\kernel\apic\io_apic.c Create Date:2022-07-28 08:29:19
Last Modify:2020-03-16 21:24:45 Copyright©Brick
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Name:arch_early_ioapic_init

Proto:int __init arch_early_ioapic_init(void)

Type:int

Parameter:Nothing

257  If Not nr_legacy_irqs() Then Not all IRQs can be routed through the IO-APIC, eg. on certain (older)* boards the timer interrupt is not really connected to any IO-APIC pin,* it's fed to the master 8259A's IR0 line only. = ~0UL
260  for_each_ioapic(i)
261  alloc_ioapic_saved_registers(i)
263  Return 0
Caller
NameDescribe
arch_early_irq_init