From: Stefan Roscher <ossrosch@linux.vnet.ibm.com>
Date: Fri, 5 Dec 2008 19:25:38 +0000 (-0800)
Subject: IB/ehca: Replace modulus operations in flush error completion path
X-Git-Tag: v2.6.29-rc1~583^2^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1c721940ddd6496508f1f2fde5167b1c898b419b;p=pandora-kernel.git

IB/ehca: Replace modulus operations in flush error completion path

With the latest flush error completion patch we introduced modulus
operation to calculate the next index within a qmap.  Based on
comments from other mailing lists we decided to optimize this
operation by using an addition and an if-statement instead of modulus,
even though this is on the error path.

Signed-off-by: Stefan Roscher <stefan.roscher@de.ibm.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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