From: Ding Tianhong <dingtianhong@huawei.com>
To: Jay Vosburgh <fubar@us.ibm.com>,
Andy Gospodarek <andy@greyhouse.net>,
"David S. Miller" <davem@davemloft.net>,
Nikolay Aleksandrov <nikolay@redhat.com>,
Veaceslav Falico <vfalico@redhat.com>,
Netdev <netdev@vger.kernel.org>
Subject: [PATCH net-next v5 2/6] bonding: remove the no effect lock for bond_3ad_lacpdu_recv()
Date: Wed, 25 Sep 2013 17:52:19 +0800 [thread overview]
Message-ID: <5242B253.2070002@huawei.com> (raw)
There is no pointer needed read lock protection, remove the unnecessary lock
and improve performance for the 3ad recv path.
Signed-off-by: Ding Tianhong <dingtianhong@huawei.com>
Cc: Nikolay Aleksandrov <nikolay@redhat.com>
---
drivers/net/bonding/bond_3ad.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/drivers/net/bonding/bond_3ad.c b/drivers/net/bonding/bond_3ad.c
index 7a3860f..c134f43 100644
--- a/drivers/net/bonding/bond_3ad.c
+++ b/drivers/net/bonding/bond_3ad.c
@@ -2494,9 +2494,7 @@ int bond_3ad_lacpdu_recv(const struct sk_buff *skb, struct bonding *bond,
if (!lacpdu)
return ret;
- read_lock(&bond->lock);
ret = bond_3ad_rx_indication(lacpdu, slave, skb->len);
- read_unlock(&bond->lock);
return ret;
}
--
1.8.2.1
next reply other threads:[~2013-09-25 9:53 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-09-25 9:52 Ding Tianhong [this message]
2013-09-25 10:33 ` [PATCH net-next v5 2/6] bonding: remove the no effect lock for bond_3ad_lacpdu_recv() Veaceslav Falico
2013-09-26 2:51 ` Ding Tianhong
2013-09-26 4:23 ` Jay Vosburgh
2013-09-26 6:19 ` Ding Tianhong
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