Re: [PATCH] x86: update mptable v7

[Yinghai Lu]

On Wed, Jun 18, 2008 at 11:28 PM, H. Peter Anvin <hpa@xxxxxxxxx> wrote:
> Yinghai Lu wrote:
>>>
>>> Can somebody clue me into why this concept
>>> is something other than totally insane?
>>
>> for system that have 6 pcie slots and more, with full populated cards.
>> when boot with mptable, BIOS will use irq < 16 for all pci devices,
>> and several devices will share same irq.
>> but when acpi is enabled, irqs are spanned all over.
>>
>> also when pci card with several pci bridges is plugged in, the mptable
>> is totally messed up, some slot will work, and some doesn't work.
>
> And the reason to worry about supporting non-ACPI on such hardware is what?

1. some other os doesn't support acpi well, and still use mptable.
2. show BIOS engineer how to fix mptable.

YH
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/