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Date: Thu, 12 Apr 2007 15:56:56 -0700
From: Jeremy Fitzhardinge <jeremy@goop.org>
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To: Andi Kleen <ak@suse.de>
CC: Andrew Morton <akpm@linux-foundation.org>,
       Tim Yamin <plasmaroo@gentoo.org>,
       Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH UPDATE] deflate stack usage in lib/inflate.c
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Andi Kleen wrote:
>> (This was under Xen, but there's no reason it couldn't happen on bare
>>   hardware.)
>>     
>
> Hmm, does Xen perhaps not use interrupt stacks?

Looks like that's all done in do_IRQ, so it should be independent of
whether its Xen or not.  And the stack overflow check is performed on
the main stack, before switching to the interrupt stack.

    J