linux-kernel - Re: [PATCH 05/10] x86

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Date:	Wed, 2 Jan 2008 12:55:18 -0800 (PST)
From:	Christoph Lameter <clameter@....com>
To:	Andi Kleen <ak@...e.de>
cc:	travis@....com, Andrew Morton <akpm@...ux-foundation.org>,
	linux-mm@...ck.org, linux-kernel@...r.kernel.org,
	Rusty Russell <rusty@...tcorp.com.au>, tglx@...utronix.de,
	mingo@...hat.com
Subject: Re: [PATCH 05/10] x86_64: Use generic percpu

On Fri, 28 Dec 2007, Andi Kleen wrote:

> On Friday 28 December 2007 01:10:51 travis@....com wrote:
> > x86_64 provides an optimized way to determine the local per cpu area
> > offset through the pda and determines the base by accessing a remote
> > pda.
> 
> And? The rationale for this patch seems to be incomplete.
> 
> As far as I can figure out you're replacing an optimized percpu 
> implementation which a dumber generic one. Which needs
> at least some description why.

The implementation stays the same. The code is just consolidated.

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