linux-kernel - Re: [patch 5/7] x86_64: Support for cpu ops

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Date:	Thu, 6 Nov 2008 09:08:44 -0600 (CST)
From:	Christoph Lameter <cl@...ux-foundation.org>
To:	Ingo Molnar <mingo@...e.hu>
cc:	akpm@...ux-foundation.org, Pekka Enberg <penberg@...helsinki.fi>,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org, travis@....com,
	Stephen Rothwell <sfr@...b.auug.org.au>,
	Vegard Nossum <vegard.nossum@...il.com>
Subject: Re: [patch 5/7] x86_64: Support for cpu ops

On Thu, 6 Nov 2008, Ingo Molnar wrote:

> hm, what happened to the rebase-PDA-to-percpu-area optimization
> patches you guys were working on? I remember there was some binutils
> flakiness - weird crashes and things like that. Did you ever manage to
> stabilize it? It would be sad if only 32-bit could take advantage of
> the optimized ops.

I thought that was in your tree? I saw a conflict in -next with the zero
based stuff a couple of weeks ago. Mike is working on that AFAICT.

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