netdev - Re: [PATCH bpf-next 08/14] bpf: introduce the bpf_get_local

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Message-ID: <201806290521.K8INu1Gg%fengguang.wu@intel.com>
Date:   Fri, 29 Jun 2018 05:34:22 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Roman Gushchin <guro@...com>
Cc:     kbuild-all@...org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, kernel-team@...com, tj@...nel.org,
        Roman Gushchin <guro@...com>,
        Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>
Subject: Re: [PATCH bpf-next 08/14] bpf: introduce the
 bpf_get_local_storage() helper function

Hi Roman,

Thank you for the patch! Yet something to improve:

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

url:    https://github.com/0day-ci/linux/commits/Roman-Gushchin/bpf-cgroup-local-storage/20180629-031527
base:   https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.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 errors (new ones prefixed by >>):

   net/core/filter.o: In function `cg_skb_func_proto':
>> (.text.cg_skb_func_proto+0x18): undefined reference to `bpf_get_local_storage_proto'
   (.text.cg_skb_func_proto+0x20): undefined reference to `bpf_get_local_storage_proto'
   net/core/filter.o: In function `sock_filter_func_proto':
>> (.text.sock_filter_func_proto+0x1c): undefined reference to `bpf_get_local_storage_proto'
   (.text.sock_filter_func_proto+0x3c): undefined reference to `bpf_get_local_storage_proto'
   net/core/filter.o: In function `.L1715':
>> (.text.sock_ops_func_proto+0x144): undefined reference to `bpf_get_local_storage_proto'
   net/core/filter.o:(.text.sock_ops_func_proto+0x14c): more undefined references to `bpf_get_local_storage_proto' follow

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