netdev - Re: [PATCH net-next v2] ipv6: remove useless spin_lock/spin

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Date:	Tue, 09 Dec 2014 13:18:43 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	duanj.fnst@...fujitsu.com
Cc:	netdev@...r.kernel.org, eric.dumazet@...il.com
Subject: Re: [PATCH net-next v2] ipv6: remove useless spin_lock/spin_unlock

From: Duan Jiong <duanj.fnst@...fujitsu.com>
Date: Wed, 3 Dec 2014 10:29:40 +0800

> xchg is atomic, so there is no necessary to use spin_lock/spin_unlock
> to protect it. At last, remove the redundant
> opt = xchg(&inet6_sk(sk)->opt, opt); statement.
> 
> Signed-off-by: Duan Jiong <duanj.fnst@...fujitsu.com>
> ---
> v2: remove the redundant opt = xchg(&inet6_sk(sk)->opt, opt); statement.

Applied, thank you.
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