Hi, [auto build test ERROR on next-20160621] url: https://github.com/0day-ci/linux/commits/Martin-KaFai-Lau/cgroup-bpf-cgroup2-membership-test-on-skb/20160622-082800 config: sh-titan_defconfig (attached as .config) compiler: sh4-linux-gnu-gcc (Debian 5.3.1-8) 5.3.1 20160205 reproduce: wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=sh All errors (new ones prefixed by >>): net/core/filter.c: In function 'bpf_skb_in_cgroup': >> net/core/filter.c:2049:9: error: implicit declaration of function 'cgroup_is_descendant' [-Werror=implicit-function-declaration] return cgroup_is_descendant(sock_cgroup_ptr(&sk->sk_cgrp_data), cgrp); ^ net/core/filter.c:2049:30: error: implicit declaration of function 'sock_cgroup_ptr' [-Werror=implicit-function-declaration] return cgroup_is_descendant(sock_cgroup_ptr(&sk->sk_cgrp_data), cgrp); ^ cc1: some warnings being treated as errors vim +/cgroup_is_descendant +2049 net/core/filter.c 2043 return -E2BIG; 2044 2045 cgrp = READ_ONCE(array->ptrs[i]); 2046 if (unlikely(!cgrp)) 2047 return -ENOENT; 2048 > 2049 return cgroup_is_descendant(sock_cgroup_ptr(&sk->sk_cgrp_data), cgrp); 2050 } 2051 2052 static const struct bpf_func_proto bpf_skb_in_cgroup_proto = { --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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