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

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Date:	Tue, 17 Jul 2007 16:29:59 -0700
From:	Arjan van de Ven <arjan@...radead.org>
To:	Bodo Eggert <7eggert@....de>
Cc:	Rene Herman <rene.herman@...il.com>,
	Ray Lee <ray-lk@...rabbit.org>, Matt Mackall <mpm@...enic.com>,
	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>
Subject: Re: [PATCH][RFC] 4K stacks default, not a debug thing any more...?


> 1) It all can be reduced to 4K + 4K by asuming all IRQ happen on one CPU.

no it's separate stacks for soft and hard irqs, so it's really 4+4+4


another angle is that while correctness rules, userspace correctness
rules as well. If you can't fork enough threads for what you need the
machine for, why have the machine in the first place?

-- 
if you want to mail me at work (you don't), use arjan (at) linux.intel.com
Test the interaction between Linux and your BIOS via http://www.linuxfirmwarekit.org

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