linux-kernel - Re: [PATCH] x86: update mptable v3

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Message-ID: <20080519154658.GA11375@elte.hu>
Date:	Mon, 19 May 2008 17:46:58 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Yinghai Lu <yhlu.kernel@...il.com>
Cc:	Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] x86: update mptable v3


* Yinghai Lu <yhlu.kernel@...il.com> 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
> 
> command line: update_mptable
> 
> v2: add alloc_mptable for mptable that can not be changed.
>     new command line: alloc_mptable
> v3: adjust for patch that move some mp_xxx to acpi..., and mpc_ to mp_

-tip testing found a build failure with this patch:

 arch/x86/kernel/mpparse.c: In function 'get_MP_intsrc_index':
 arch/x86/kernel/mpparse.c:891: error: 'mp_irq_entries' undeclared (first use inthis function)
 arch/x86/kernel/mpparse.c:891: error: (Each undeclared identifier is reported only once
 [...]

config at:

 http://redhat.com/~mingo/misc/config-Mon_May_19_17_38_13_CEST_2008.bad

	Ingo
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