From: Li RongQing <roy.qing.li@gmail.com>
Date: Sat, 6 Sep 2014 11:06:11 +0000 (+0800)
Subject: openvswitch: change the data type of error status to atomic_long_t
X-Git-Tag: fixes-against-v3.18-rc2~81^2~128
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e403aded79a1bfb610adc53490ded8d2058f9daf;p=pandora-kernel.git

openvswitch: change the data type of error status to atomic_long_t

Change the date type of error status from u64 to atomic_long_t, and use atomic
operation, then remove the lock which is used to protect the error status.

The operation of atomic maybe faster than spin lock.

Cc: Pravin Shelar <pshelar@nicira.com>
Signed-off-by: Li RongQing <roy.qing.li@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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