Re: [PATCH] x86: update mptable v7

[H. Peter Anvin]

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?

	-hpa
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