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Date: Sun, 05 Oct 2008 22:39:54 +0200
From: Andi Kleen <andi@firstfloor.org>
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To: Thomas Gleixner <tglx@linutronix.de>
CC: Ingo Molnar <mingo@elte.hu>, Chuck Ebbert <cebbert@redhat.com>,
       linux-kernel@vger.kernel.org, Arjan van de Ven <arjan@infradead.org>
Subject: Re: <PING> Re: [patch x86/core] x86: allow number of additional hotplug
 CPUs to be set at compile time
References: <20081001191945.4182d0be@redhat.com> <87bpy3pdgs.fsf@basil.nowhere.org> <20081002152521.16c4835b@redhat.com> <20081002194409.GB8318@one.firstfloor.org> <20081002160907.68d79e0b@redhat.com> <20081002204018.GD8318@one.firstfloor.org> <87ljx4nw09.fsf_-_@basil.nowhere.org> <20081004183014.769836ff@redhat.com> <20081005102835.GA8947@elte.hu> <alpine.LFD.2.00.0810051626150.3398@apollo> <20081005152025.GA27066@elte.hu> <alpine.LFD.2.00.0810051732380.3398@apollo>
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> 
> Please lets get rid of all this.

The result is that there's no way to override a BIOS now that
doesn't declare the number of hotplug CPUs with the Linux hotplug
extension.

Completely trusting the BIOS seems like a bad idea.

So I think you still need the command line parameter back, otherwise there's no
way to override the BIOS.

-Andi (who wished you guys would check with the original author
before removing code you clearly don't understand)

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