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 09:28:51
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：mp_is_legacy_irq

函数原型：static inline bool mp_is_legacy_irq(int irq)

返回类型：bool

参数：

类型参数名称
intirq
154  返回:irq大于等于0且irq小于nr_legacy_irqs()
调用者
名称描述
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