On 2018/06/13 18:27, kbuild test robot wrote:
> 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: i386-randconfig-a1-201823 (attached as .config)
> compiler: gcc-4.9 (Debian 4.9.4-2) 4.9.4
> reproduce:
>         # save the attached .config to linux build tree
>         make ARCH=i386 
> 
> All warnings (new ones prefixed by >>):
> 
>    In file included from net//bpf/test_run.c:7:0:
>>> include/linux/bpf.h:594:16: warning: 'struct sk_buff' declared inside 
>>> parameter list
>             struct bpf_prog *xdp_prog)
>                    ^
>>> include/linux/bpf.h:594:16: warning: its scope is only this definition or 
>>> declaration, which is probably not what you want
> 
> vim +594 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        

Ugh I did build test for the entire tree with CONFIG_BPF_SYSCALL, and
net/core and kernel/bpf without CONFIG_BPF_SYSCALL but not net/bpf.
I'll make sure to test the entire tree next. will send v2.

-- 
Toshiaki Makita

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