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(parent: ea082fa) | patch
[POWERPC] ipic: ack only for edge interrupts
authorLi Yang <leoli@freescale.com>
Tue, 4 Dec 2007 11:01:40 +0000 (19:01 +0800)
committerKumar Gala <galak@kernel.crashing.org>
Wed, 12 Dec 2007 07:53:07 +0000 (01:53 -0600)
commit77d4309e19b1a7ab3286cd741e924894fc329986
treebc6626e5acb07c77df9c06e238873f12f24bb6e9tree | snapshot
parentea082fa94eab6c2d8ad81c8a46b680cf4c2a3bb3commit | diff
[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>
arch/powerpc/sysdev/ipic.c diff | blob | history
arch/powerpc/sysdev/ipic.h diff | blob | history
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