函数源码

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source File:arch\x86\kernel\apic\io_apic.c Create Date:2022-07-27 09:28:54
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int __init arch_early_ioapic_init(void)
{
    int i;
 
    if (!nr_legacy_irqs())
        io_apic_irqs = ~0UL;
 
    for_each_ioapic(i)
        alloc_ioapic_saved_registers(i);
 
    return 0;
}