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Subject: Re: [PATCH v2] powerpc: Add support for CoreInt delivery of
	interrupts on MPIC
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Kumar Gala <galak@kernel.crashing.org>
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Date: Fri, 20 Mar 2009 16:48:29 +1100
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On Wed, 2009-03-11 at 10:18 -0500, Kumar Gala wrote:
> CoreInt provides a mechansim to deliver the IRQ vector directly
> into the core on an interrupt (via the SPR EPR) rather than having
> to go IACK on the PIC.  This is suppose to provide an improvment
> in interrupt latency by reducing the time to get the IRQ vector.
> 
> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
> ---
> * Fixed MPIC_GREG_GCONF_COREINT flag to be 0x60000000 as per spec and pointed about by Dave

Are you sure ? That's 2 bits ...

Ben.