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

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Message-ID: <m3vec54vfp.fsf@maximus.localdomain>
Date:	Fri, 27 Jul 2007 19:18:18 +0200
From:	Krzysztof Halasa <khc@...waw.pl>
To:	Eric Sandeen <sandeen@...deen.net>
Cc:	Alan Cox <alan@...rguk.ukuu.org.uk>,
	Andrea Arcangeli <andrea@...e.de>,
	Matt Mackall <mpm@...enic.com>,
	Rene Herman <rene.herman@...il.com>,
	Ray Lee <ray-lk@...rabbit.org>, Bodo Eggert <7eggert@....de>,
	Jeremy Fitzhardinge <jeremy@...p.org>,
	Jesper Juhl <jesper.juhl@...il.com>,
	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...?

Eric Sandeen <sandeen@...deen.net> writes:

>> 8K stacks without IRQ stacks are not "safer" so I don't understand your
>> comment ?
>
> Hmm was it SuSE or RH kernels (or mainline?) I saw which had a test to
> defer soft IRQs if they occurred too deep in the stack for the current
> thread.

Perhaps the "8 KB softpage" should be an option instead
of 8 KB stack size?

Not sure about ABI compatibility.
-- 
Krzysztof Halasa
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