Re: IO APIC IRQ assignment

From: Jan Engelhardt
Date: Wed May 31 2006 - 18:02:37 EST


>>
>> Or the engineer means that in legacy PIC mode the IRQs are shared, but
>> in APIC mode they can be separated. That is a different thing, cause in
>> that case the IRQ lines are not physically connected, but put together
>> in PIC mode and can again be separated by using APIC mode.
>
> Ah, you could be right here. In the BIOS, there an option to
> enable/disable APIC, which corresponds to what you are suggesting
> above.
>
Plus
CONFIG_X86_UP_APIC=y
CONFIG_X86_UP_IOAPIC=y
CONFIG_X86_LOCAL_APIC=y
CONFIG_X86_IO_APIC=y

but I guess you already have these.


Jan Engelhardt
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