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linux/arch/powerpc/sysdev/ipic.c
Li Yang 77d4309e19 [POWERPC] ipic: ack only for edge interrupts 
Only external interrupts in edge detect mode support ack operation.
Therefore, in most cases ack is not needed.  The patch makes ipic
ack only when it's needed.  This could boost over all system performance.

Signed-off-by: Li Yang <leoli@freescale.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2007-12-12 01:53:07 -06:00

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