linux-kernel - Re: [patch 09/17] Add all cpus option to stop machine run

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Message-Id: <200804101334.32977.rusty@rustcorp.com.au>
Date:	Thu, 10 Apr 2008 13:34:32 +1000
From:	Rusty Russell <rusty@...tcorp.com.au>
To:	Andi Kleen <andi@...stfloor.org>
Cc:	Alexey Dobriyan <adobriyan@...il.com>,
	Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca>,
	akpm@...ux-foundation.org, Ingo Molnar <mingo@...e.hu>,
	linux-kernel@...r.kernel.org, Jason Baron <jbaron@...hat.com>,
	Adrian Bunk <bunk@...sta.de>,
	Christoph Hellwig <hch@...radead.org>, akpm@...l.org
Subject: Re: [patch 09/17] Add all cpus option to stop machine run

On Thursday 10 April 2008 04:24:54 Andi Kleen wrote:
> On Wed, Apr 09, 2008 at 10:10:10PM +0400, Alexey Dobriyan wrote:
> > I continue to think that all this so-called "immediate" infrastructure
> > is an absolute overkill and declared D-cache line savings will _never_
> > matter
>
> You are quite wrong on that.

Well, Alexey did make me read through the patches reasonably thoroughly.

I think it's interesting, and to be honest the current simplified approach 
just isn't that scary.  There are some minor warts, but it's generally sound.

Cheers,
Rusty.
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