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(parent: 0589603) | patch
powerpc: Add support for CoreInt delivery of interrupts on MPIC
authorKumar Gala <galak@kernel.crashing.org>
Wed, 7 Jan 2009 21:53:29 +0000 (15:53 -0600)
committerKumar Gala <galak@kernel.crashing.org>
Mon, 6 Apr 2009 14:09:14 +0000 (09:09 -0500)
commitc3fb2a16917c483e147b3561b538b85d14194b48
treefa017e48c9f523ce16b59668ac1be6c75f9e3618tree | snapshot
parent058960392a4ac936feff945cae222435a56e0e22commit | diff
powerpc: Add support for CoreInt delivery of interrupts on MPIC

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>
arch/powerpc/include/asm/mpic.h diff | blob | history
arch/powerpc/sysdev/mpic.c diff | blob | history
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