netdev - Re: [PATCH bpf] xdp: Fix handling of devmap in generic XDP

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Date:   Wed, 13 Jun 2018 16:51:43 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Toshiaki Makita <makita.toshiaki@....ntt.co.jp>
Cc:     kbuild-all@...org, Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Toshiaki Makita <makita.toshiaki@....ntt.co.jp>,
        netdev@...r.kernel.org, Jesper Dangaard Brouer <brouer@...hat.com>
Subject: Re: [PATCH bpf] xdp: Fix handling of devmap in generic XDP

Hi Toshiaki,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on bpf/master]

url:    https://github.com/0day-ci/linux/commits/Toshiaki-Makita/xdp-Fix-handling-of-devmap-in-generic-XDP/20180613-161204
base:   https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf.git master
config: parisc-c3000_defconfig (attached as .config)
compiler: hppa-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        GCC_VERSION=7.2.0 make.cross ARCH=parisc 

All warnings (new ones prefixed by >>):

   In file included from net/bpf/test_run.c:7:0:
>> include/linux/bpf.h:593:16: warning: 'struct sk_buff' declared inside parameter list will not be visible outside of this definition or declaration
            struct sk_buff *skb,
                   ^~~~~~~

vim +593 include/linux/bpf.h

   591	
   592	static inline int dev_map_generic_redirect(struct bpf_dtab_netdev *dst,
 > 593						   struct sk_buff *skb,
   594						   struct bpf_prog *xdp_prog)
   595	{
   596		return 0;
   597	}
   598	

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

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