linux-kernel - Re: [PATCH] sysrq show-all-cpus

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Message-ID: <20080310135716.0c99a202@bree.surriel.com>
Date:	Mon, 10 Mar 2008 13:57:16 -0400
From:	Rik van Riel <riel@...hat.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	linux-kernel@...r.kernel.org, lwoodman@...hat.com
Subject: Re: [PATCH] sysrq show-all-cpus

On Mon, 10 Mar 2008 10:41:54 -0700
Andrew Morton <akpm@...ux-foundation.org> wrote:

> How come the sysrq-handling CPU uses show_regs() and the others use
> show_stack()?  Do we not set up the get_irq_regs() data for IPIs?

I tried it that way, and the other CPUs never printed anything.

I guess get_irq_regs() data is not present when in an IPI.

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