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Date: Tue, 25 May 2004 04:09:34 -0700
From: Andrew Morton <akpm@osdl.org>
To: Paul Mackerras <paulus@samba.org>
Cc: torvalds@osdl.org, anton@samba.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] IRQ stacks for PPC64
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Paul Mackerras <paulus@samba.org> wrote:
>
> This patch implements separate per-cpu stacks for
>  processing interrupts and softirqs, along the lines of the
>  CONFIG_4KSTACKS stuff on x86.

Your show_stack()-from-irq code will need a bit of work to hop across to
the next stack.