linux-kernel - Re: [2/6] add config option to vmalloc stacks (was: Re: [-mm patch] i386: enable 4k stacks by default)

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Message-ID: <20070430191511.GA25318@infradead.org>
Date:	Mon, 30 Apr 2007 20:15:11 +0100
From:	Christoph Hellwig <hch@...radead.org>
To:	William Lee Irwin III <wli@...omorphy.com>
Cc:	Christoph Hellwig <hch@...radead.org>,
	Andi Kleen <andi@...stfloor.org>,
	Alan Cox <alan@...rguk.ukuu.org.uk>,
	David Chinner <dgc@....com>, Zan Lynx <zlynx@....org>,
	Adrian Bunk <bunk@...sta.de>,
	Linux Kernel <linux-kernel@...r.kernel.org>
Subject: Re: [2/6] add config option to vmalloc stacks (was: Re: [-mm patch] i386: enable 4k stacks by default)

So if you want to invest some time into getting this into mergeable
shape I'd suggest you redo the patch series in the following way:

 patch 1: dynamic allocated irq stacks
 patch 2: make irqstacks unconditional, but allow selecting 4/8k stacks
 patch 3: introduce a DEBUG_STACK option that enables vmalloc'ed stacks
 	  and adds the __pa check.
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