netdev - Re: [PATCH net] net_sched: act_mirred: full rcu conversion

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Date:   Thu, 8 Sep 2016 22:26:45 -0700
From:   Cong Wang <xiyou.wangcong@...il.com>
To:     Eric Dumazet <eric.dumazet@...il.com>
Cc:     John Fastabend <john.fastabend@...il.com>,
        David Miller <davem@...emloft.net>,
        Linux Kernel Network Developers <netdev@...r.kernel.org>,
        Jamal Hadi Salim <jhs@...atatu.com>,
        Hadar Hen Zion <hadarh@...lanox.com>,
        Amir Vadai <amirva@...lanox.com>
Subject: Re: [PATCH net] net_sched: act_mirred: full rcu conversion

On Thu, Sep 8, 2016 at 8:51 AM, Eric Dumazet <eric.dumazet@...il.com> wrote:
> On Thu, 2016-09-08 at 08:47 -0700, John Fastabend wrote:
>
>> Works for me. FWIW I find this plenty straightforward and don't really
>> see the need to make the hash table itself rcu friendly.
>>
>> Acked-by: John Fastabend <john.r.fastabend@...el.com>
>>
>
> Yes, it seems this hash table is used in control path, with RTNL held
> anyway.

Seriously? You never read hashtable in fast path?? I think you need
to wake up.