linux-kernel - Re: [PATCH -rt] fix sysrq+l when nmi

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Date:	Tue, 27 May 2008 19:36:08 -0400 (EDT)
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Hiroshi Shimamoto <h-shimamoto@...jp.nec.com>
cc:	Ingo Molnar <mingo@...e.hu>, Thomas Gleixner <tglx@...utronix.de>,
	linux-kernel@...r.kernel.org, linux-rt-users@...r.kernel.org
Subject: Re: [PATCH -rt] fix sysrq+l when nmi_watchdog disabled



On Tue, 27 May 2008, Hiroshi Shimamoto wrote:

> From: Hiroshi Shimamoto <h-shimamoto@...jp.nec.com>
>
> In nmi_show_all_regs(), set nmi_show_regs for all cpus but NMI never come
> to itself when nmi_watchdog is disabled. It means the kernel hangs up when
> sysrq+l is issued.
>
> Call irq_show_regs_callback() itself before calling smp_send_nmi_allbutself().

Thanks,

I had a patch to do this fix but it got lost. I'll add yours.

-- Steve

>
> Signed-off-by: Hiroshi Shimamoto <h-shimamoto@...jp.nec.com>
> ---
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