netdev - Re: [PATCH V2 1/2] bpf: control the trace data output on current cpu when perf sampling

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Message-ID: <201510142113.R6QU6uqp%fengguang.wu@intel.com>
Date:	Wed, 14 Oct 2015 21:49:39 +0800
From:	kbuild test robot <lkp@...el.com>
To:	Kaixu Xia <xiakaixu@...wei.com>
Cc:	kbuild-all@...org, ast@...mgrid.com, davem@...emloft.net,
	acme@...nel.org, mingo@...hat.com, a.p.zijlstra@...llo.nl,
	masami.hiramatsu.pt@...achi.com, jolsa@...nel.org,
	daniel@...earbox.net, xiakaixu@...wei.com, wangnan0@...wei.com,
	linux-kernel@...r.kernel.org, pi3orama@....com, hekuang@...wei.com,
	netdev@...r.kernel.org
Subject: Re: [PATCH V2 1/2] bpf: control the trace data output on current cpu
 when perf sampling

Hi Kaixu,

[auto build test WARNING on net-next/master -- if it's inappropriate base, please suggest rules for selecting the more suitable base]

url:    https://github.com/0day-ci/linux/commits/Kaixu-Xia/bpf-enable-disable-events-stored-in-PERF_EVENT_ARRAY-maps-trace-data-output-when-perf-sampling/20151014-204158
reproduce:
        # apt-get install sparse
        make ARCH=x86_64 allmodconfig
        make C=1 CF=-D__CHECK_ENDIAN__


sparse warnings: (new ones prefixed by >>)

>> kernel/trace/bpf_trace.c:239:29: sparse: symbol 'bpf_perf_event_sample_control_proto' was not declared. Should it be static?

Please review and possibly fold the followup patch.

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation
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