From: Mike Marciniszyn <mike.marciniszyn@intel.com>
Date: Sat, 15 Jun 2013 21:06:58 +0000 (-0400)
Subject: IB/qib: Remove atomic_inc_not_zero() from QP RCU
X-Git-Tag: v3.11-rc1~16^2~1^6~8
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f7cf9a618b48212394c07b169864d20beb23b8e5;p=pandora-kernel.git

IB/qib: Remove atomic_inc_not_zero() from QP RCU

Follow Documentation/RCU/rcuref.txt guidance in removing
atomic_inc_not_zero() from QP RCU implementation.

This patch also removes an unneeded synchronize_rcu() in the add path.

Reviewed-by: Dean Luick <dean.luick@intel.com>
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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