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

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Message-Id: <200706191814.l5JIEdWX252824@fcbayern.americas.sgi.com>
Date:	Tue, 19 Jun 2007 13:14:39 -0500 (CDT)
From:	John Keller <jpk@....com>
To:	andi@...stfloor.org (Andi Kleen)
Cc:	jpk@....com (John Keller), andi@...stfloor.org (Andi Kleen),
	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.

Sorry, I should have been clearer on all this.
The syncsched driver referred to here, is not anything proprietary,
and will be added to the community tree later this year.

I'm just looking to get some of the completed support code (this patch)
submitted, any issues resolved, and accepted prior to that. 


John


> 
> -Andi
> 

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