linux-kernel - Re: [patch 4/4] ipmi: add new IPMI nmi watchdog handling

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Message-Id: <20070214201632.a7f18794.akpm@linux-foundation.org>
Date:	Wed, 14 Feb 2007 20:16:32 -0800
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Paul Mackerras <paulus@...ba.org>
Cc:	minyard@....org, Linux Kernel <linux-kernel@...r.kernel.org>
Subject: Re: [patch 4/4] ipmi: add new IPMI nmi watchdog handling

On Thu, 15 Feb 2007 15:05:56 +1100 Paul Mackerras <paulus@...ba.org> wrote:

> Andrew Morton writes:
> 
> > This is all fairly unpleasant.
> > 
> > What architecture is preventing us from using DIE_NMI_POST on all
> > architectures which support ipmi?  ia64?
> > 
> > It would be better to simply require that all ipmi-using architectures
> > implement notify_die(DIE_NMI_POST, ...).
> 
> We're starting to see IPMI creeping on powerpc as well, and we don't
> have an NMI.
> 

Sure, but you could implement the registration function.  I mean, you
_would_ call the NMI callback if you could, right ;)

As it stands, this change is pretty gruesome...
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