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Date: Mon, 27 Oct 2003 16:05:39 -0500 (EST)
From: Zwane Mwaikambo <zwane@arm.linux.org.uk>
To: Andi Kleen <ak@muc.de>
cc: "J.A. Magallon" <jamagallon@able.es>, linux-kernel@vger.kernel.org
Subject: Re: FEATURE REQUEST: Specific Processor Optimizations on x86
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On Mon, 27 Oct 2003, Andi Kleen wrote:

> The wmb() change is not needed, unless you have an oostore CPU
> (x86 has ordered writes by default). It probably does not hurt
> neither though (I do it the same way on x86-64), but also doesn't 
> change anything.

The original intent was to fix an SMP P5 system, it oopses otherwise under 
load.