Re: x86_64: apic id lift patch

[Andi Kleen]

On Mon, Nov 21, 2005 at 01:49:09PM -0800, yhlu wrote:
> Andi,
> 
> Please check the patch regarding apicid lifting.
> 
> For some reason, we need to lift AP apicid but keep the BSP apicid to 0....
> 
> Also it solve the E0 later single but have apic id reorder problem...

Can you please explain clearly:

- What are you changing.
- What was the problem with the old behaviour
- Why that particular change
- Why can't that APIC number setup not be done by the BIOS itself

Thanks.

Please note there is a high barrier of entry for any kind of BIOS workarounds -
in particular for LinuxBIOS i'm not very motivated because you guys can
just fix the BIOS.

-Andi

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