From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jiri Pirko <jiri@resnulli.us>
Subject: Re: [patch net-next v3 01/10] net: sched: move tc_classify function
 to cls_api.c
Date: Tue, 16 May 2017 23:00:38 +0200
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 <20170516172802.1317-2-jiri@resnulli.us>
 <CAM_iQpVqRTcK0H3wSiUEOXSk+pWtriSLFy7jtN6d77wrTjqe3Q@mail.gmail.com>
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Cc: Linux Kernel Network Developers <netdev@vger.kernel.org>,
        David Miller <davem@davemloft.net>,
        Jamal Hadi Salim <jhs@mojatatu.com>,
        David Ahern <dsa@cumulusnetworks.com>,
        Eric Dumazet <edumazet@google.com>,
        Stephen Hemminger <stephen@networkplumber.org>,
        Daniel Borkmann <daniel@iogearbox.net>,
        Alexander Duyck <alexander.h.duyck@intel.com>,
        Simon Horman <simon.horman@netronome.com>, mlxsw@mellanox.com
To: Cong Wang <xiyou.wangcong@gmail.com>
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Tue, May 16, 2017 at 10:25:35PM CEST, xiyou.wangcong@gmail.com wrote:
>On Tue, May 16, 2017 at 10:27 AM, Jiri Pirko <jiri@resnulli.us> wrote:
>> From: Jiri Pirko <jiri@mellanox.com>
>>
>> Move tc_classify function to cls_api.c where it belongs, rename it to
>> fit the namespace.
>>
>
>It is not a pure move, you silently remove the CONFIG_NET_CLS_ACT
>macros in tc_classify(). Probably not buggy, just redundancy when
>actions are not compiled.

Plese see include/net/pkt_cls.h in this patch.

If CONFIG_NET_CLS_ACT is not defined, there is a stub there.