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 08:29:43
Last Modify:2020-03-16 21:24:45 Copyright©Brick
home page Tree
Annotation kernel can get tool activityDownload SCCTChinese

Name:ioapic_alloc_attr_node

Proto:static int ioapic_alloc_attr_node(struct irq_alloc_info *info)

Type:int

Parameter:

TypeParameterName
struct irq_alloc_info *info
919  Return If info && ioapic_valid Then ioapic_node Else NUMA_NO_NODE
Caller
NameDescribe
alloc_irq_from_domain
alloc_isa_irq_from_domainNeed special handling for ISA IRQs because there may be multiple IOAPIC pins* sharing the same ISA IRQ number and irqdomain only supports 1:1 mapping* between IOAPIC pin and IRQ number. A typical IOAPIC has 24 pins, pin 0-15 are
mp_irqdomain_alloc