Re: [PATCH] x86: update mptable v7

[Yinghai Lu]

On Wed, Jun 18, 2008 at 3:18 PM, Len Brown <lenb@xxxxxxxxxx> wrote:
>
>
> On Sun, 1 Jun 2008, Yinghai Lu wrote:
>
>>
>> make mptable to be consistent to acpi routing, so we could
>> 1. kexec kernel with acpi=off
>> 2. workaround BIOS that acpi routing is working, but mptable is not right.
>>    so can use kernel/kexec to start other os that doesn't have good acpi support
>
> Is this an effort to boot an ACPI-mode kernel,
> and then kexec a non-ACPI kernel?

Yes,

>
> Doing so could confuse the heck out of the platform firmware,
> which will think that an ACPI-mode kernel is still running.
>
> Note that it is a historic artifact, now considered a bug,
> that ACPI uses the MPS code.  We should be divorcing these
> two bodies of code rather than mixing them further.

how about adding config option to not compile mptable related info?

YH
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