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    SubjectRe: [PATCH] x86: update mptable v7
    On Wed, Jun 18, 2008 at 3:18 PM, Len Brown <lenb@kernel.org> 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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