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From: Andi Kleen <ak@suse.de>
To: Keith Owens <kaos@sgi.com>
Subject: Re: 2.6.16-rc6-mm2
Date: Tue, 13 Jun 2006 06:56:45 +0200
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> I have previously suggested a lightweight solution that pins a process
> to a cpu 

That is preempt_disable()/preempt_enable() effectively
It's also light weight as much as these things can be.

-Andi (who idly wonders if the P4 designers ever realized what
software wrenches they caused with their performance choices for
some instructions)