Yinghai Lu wrote:
quoted text
> On Mon, Jun 9, 2008 at 7:46 PM, Maciej W. Rozycki <macro@linux-mips.org> wrote:
>> On Mon, 9 Jun 2008, Maciej W. Rozycki wrote:
>>
>>>> we need clear_IO_APIC before enable setup error vector, in case there
>>>> is wrong setting in ioapic by BIOS...
>>>  Fair enough, although it is still interesting why it would only trigger
>>> in the 64-bit mode and why shouldn't the BIOS be fixed instead.
>>  Then again -- what if X86_LOCAL_APIC is set, but X86_IO_APIC is not?
> 
> config X86_LOCAL_APIC
>         def_bool y
>         depends on X86_64 || (X86_32 && (X86_UP_APIC || ((X86_VISWS ||
> SMP) && !X86_VOYAGER) || X86_GENERICARCH))
> 
> config X86_IO_APIC
>         def_bool y
>         depends on X86_64 || (X86_32 && (X86_UP_IOAPIC || (SMP &&
> !(X86_VISWS || X86_VOYAGER)) || X86_GENERICARCH))
> 
> for 64bit, those are all set.
> 
> for 32bit, may need to null stub if X86_IO_APIC is not set
> 
> YH
Fair Enough.
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