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 09:29:15
Last Modify:2020-03-16 21:24:45 Copyright©Brick
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函数名称：ioapic_alloc_attr_node

函数原型：static int ioapic_alloc_attr_node(struct irq_alloc_info *info)

返回类型：int

参数：

类型参数名称
struct irq_alloc_info *info
919  返回:如果info且ioapic_valid则ioapic_node否则NUMA_NO_NODE
调用者
名称描述
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