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Date:   Tue, 5 Feb 2019 14:07:09 +0100
From:   Jiri Pirko <jiri@...nulli.us>
To:     Vlad Buslov <vladbu@...lanox.com>
Cc:     netdev@...r.kernel.org, jhs@...atatu.com, xiyou.wangcong@...il.com,
        davem@...emloft.net, ast@...nel.org, daniel@...earbox.net
Subject: Re: [PATCH net-next v3 08/16] net: sched: traverse classifiers in
 chain with tcf_get_next_proto()

Mon, Feb 04, 2019 at 01:32:53PM CET, vladbu@...lanox.com wrote:
>All users of chain->filters_chain rely on rtnl lock and assume that no new
>classifier instances are added when traversing the list. Use
>tcf_get_next_proto() to traverse filters list without relying on rtnl
>mutex. This function iterates over classifiers by taking reference to
>current iterator classifier only and doesn't assume external
>synchronization of filters list.
>
>Signed-off-by: Vlad Buslov <vladbu@...lanox.com>

Acked-by: Jiri Pirko <jiri@...lanox.com>

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