Messages in this thread | | | Date | Wed, 18 Jun 2008 15:32:59 -0700 | From | "Yinghai Lu" <> | Subject | Re: [PATCH] x86: update mptable v7 |
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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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