linux-kernel - Re: [PATCH v2 net-next 1/3] perf, bpf: Add BPF support to all perf

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Message-ID: <201705261910.iLtYwiQE%fengguang.wu@intel.com>
Date:   Fri, 26 May 2017 19:04:30 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Alexei Starovoitov <ast@...com>
Cc:     kbuild-all@...org, "David S . Miller" <davem@...emloft.net>,
        Peter Zijlstra <peterz@...radead.org>,
        Brendan Gregg <bgregg@...flix.com>,
        Daniel Borkmann <daniel@...earbox.net>,
        Teng Qin <qinteng@...com>, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 net-next 1/3] perf, bpf: Add BPF support to all
 perf_event types

Hi Teng,

[auto build test ERROR on net-next/master]

url:    https://github.com/0day-ci/linux/commits/Alexei-Starovoitov/bpf-Add-BPF-support-to-all-perf_event/20170526-171542
config: ia64-allmodconfig (attached as .config)
compiler: ia64-linux-gcc (GCC) 6.2.0
reproduce:
        wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        make.cross ARCH=ia64 

All errors (new ones prefixed by >>):

   kernel//bpf/arraymap.c: In function 'perf_event_fd_array_get_ptr':
>> kernel//bpf/arraymap.c:466:11: error: 'struct perf_event' has no member named 'attach_state'
     if (event->attach_state & PERF_ATTACH_TASK)
              ^~

vim +466 kernel//bpf/arraymap.c

   460		if (IS_ERR(perf_file))
   461			return perf_file;
   462	
   463		event = perf_file->private_data;
   464		ee = ERR_PTR(-EINVAL);
   465		/* Per-task events are not supported */
 > 466		if (event->attach_state & PERF_ATTACH_TASK)
   467			goto err_out;
   468	
   469		attr = perf_event_attrs(event);

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

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