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Date:	Sun, 7 Sep 2014 17:24:11 +0800
From:	Li RongQing <>
To:	Pravin Shelar <>
Cc:	netdev <>
Subject: Re: [PATCH][net-next] openvswitch: change the data type of error
 status to atomic_long_t

On Sun, Sep 7, 2014 at 11:44 AM, Pravin Shelar <> wrote:
>> The operation of atomic maybe faster than spin lock.
> What is reason for this change?

1.  The operation of atomic maybe faster than spin lock
2.  I did not find that tx_dropped/tx_error/.. is protected by spin
lock under net dir,
sometime tx_dropped is atomic_long_t; sometime it is percpu variable;
sometime it is
u64,but does not need to protect.

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