linux-kernel - Re: [PATCH] - Add IOAPIC NMI support on x86

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Date:	Tue, 19 Jun 2007 16:34:53 +0200
From:	Andi Kleen <andi@...stfloor.org>
To:	John Keller <jpk@....com>
Cc:	Andi Kleen <andi@...stfloor.org>, linux-kernel@...r.kernel.org,
	linux-acpi@...r.kernel.org, steiner@....com
Subject: Re: [PATCH] - Add IOAPIC NMI support on x86_64

>  In our specific case, a loadable driver will register to process
>  the NMI generated by a timer device on the IOAPIC pin. The driver
>  will need to unmask/mask the NMI interrupt at init/exit time.
> 
>  The timer NMI interrupt will be used to synchronize cluster nodes.

We normally don't add hooks which are only useful for out of tree
modules unless there is a very good justification for it.

-Andi
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