linux-kernel - Re: [PATCH][RFC] 4K stacks default, not a debug thing any more...?

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Date:	Tue, 17 Jul 2007 01:42:20 +0200 (CEST)
From:	Bodo Eggert <7eggert@....de>
To:	Jesper Juhl <jesper.juhl@...il.com>
cc:	Ray Lee <ray-lk@...rabbit.org>,
	Rene Herman <rene.herman@...il.com>,
	Bodo Eggert <7eggert@....de>, Matt Mackall <mpm@...enic.com>,
	Jeremy Fitzhardinge <jeremy@...p.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	William Lee Irwin III <wli@...omorphy.com>,
	David Chinner <dgc@....com>,
	Arjan van de Ven <arjan@...radead.org>
Subject: Re: [PATCH][RFC] 4K stacks default, not a debug thing any more...?

On Tue, 17 Jul 2007, Jesper Juhl wrote:

> Please note that I was not trying to remove the 8K stack option right
> now - heck, I didn't even add anything to feature-removal-schedule.txt
> - all I wanted to accomplish with the patch that started this threas
> was;  a) indicate that the 4K option is no longer a debug thing  and

Very ACK.

> b) make 4K stacks the default option in vanilla kernel.org kernels as
> a gentle nudge towards getting people to start fixing the code paths
> that are not 4K stack safe.

That's the big NACK. It's OK for MM, where things are supposed to be in a 
not well-tested state, but for running possibly mission-critical systems,
you should take no risk.

If you'd run a 4K stack on the NFS+XFS+LVM+dmcrypt+MD+somethingmore 
setup driving your loved one's life support, you may go ahead.
-- 
I'm a member of DNA (National Assocciation of Dyslexics).
	-- Storm in <5Z4Z7.52353$4x4.6445347@...s2-win.server.ntlworld.com>
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