[PATCH v2] powerpc: Add support for CoreInt delivery of interrupts on MPIC

Benjamin Herrenschmidt benh at kernel.crashing.org
Fri Mar 20 16:48:29 EST 2009

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 at 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 ...


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