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 08:29:16
Last Modify:2020-03-16 21:24:45 Copyright©Brick
home page Tree
Annotation kernel can get tool activityDownload SCCTChinese

Name:mp_is_legacy_irq

Proto:static inline bool mp_is_legacy_irq(int irq)

Type:bool

Parameter:

TypeParameterName
intirq
154  Return irq >= 0 && irq < nr_legacy_irqs()
Caller
NameDescribe
mp_init_irq_at_bootInitialize all legacy IRQs and all pins on the first IOAPIC* if we have legacy interrupt controller. Kernel boot option "pirq="* may rely on non-legacy pins on the first IOAPIC.
alloc_irq_from_domain
mp_map_pin_to_irq