netdev - Re: [PATCH net-next] net/sched: act_tunnel_key: Remove rcu_read

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Date:   Thu, 15 Sep 2016 19:18:32 -0400 (EDT)
From:   David Miller <davem@...emloft.net>
To:     hadarh@...lanox.com
Cc:     netdev@...r.kernel.org, jiri@...lanox.com, jbenc@...hat.com,
        jhs@...atatu.com, shmulik.ladkani@...il.com, tom@...bertland.com,
        edumazet@...gle.com, xiyou.wangcong@...il.com, amirva@...lanox.com,
        ogerlitz@...lanox.com
Subject: Re: [PATCH net-next] net/sched: act_tunnel_key: Remove
 rcu_read_lock protection

From: Hadar Hen Zion <hadarh@...lanox.com>
Date: Mon, 12 Sep 2016 15:19:21 +0300

> Remove rcu_read_lock protection from tunnel_key_dump and use
> rtnl_dereference, dump operation is protected by  rtnl lock.
> 
> Also, remove rcu_read_lock from tunnel_key_release and use
> rcu_dereference_protected.
> 
> Both operations are running exclusively and a writer couldn't modify
> t->params while those functions are executed.
> 
> Fixes: 54d94fd89d90 ('net/sched: Introduce act_tunnel_key')
> Signed-off-by: Hadar Hen Zion <hadarh@...lanox.com>

Applied.