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Message-ID: <202203291256.TUOyKEtD-lkp@intel.com> Date: Tue, 29 Mar 2022 12:08:22 +0800 From: kernel test robot <lkp@...el.com> To: Roberto Sassu <roberto.sassu@...wei.com>, corbet@....net, viro@...iv.linux.org.uk, ast@...nel.org, daniel@...earbox.net, andrii@...nel.org, kpsingh@...nel.org, shuah@...nel.org, mcoquelin.stm32@...il.com, alexandre.torgue@...s.st.com, zohar@...ux.ibm.com Cc: llvm@...ts.linux.dev, kbuild-all@...ts.01.org, linux-doc@...r.kernel.org, linux-fsdevel@...r.kernel.org, netdev@...r.kernel.org, bpf@...r.kernel.org, linux-kselftest@...r.kernel.org, linux-stm32@...md-mailman.stormreply.com, linux-arm-kernel@...ts.infradead.org, linux-integrity@...r.kernel.org, linux-security-module@...r.kernel.org, linux-kernel@...r.kernel.org, Roberto Sassu <roberto.sassu@...wei.com> Subject: Re: [PATCH 16/18] bpf-preload: Do kernel mount to ensure that pinned objects don't disappear Hi Roberto, Thank you for the patch! Yet something to improve: [auto build test ERROR on bpf-next/master] [also build test ERROR on linus/master next-20220328] [cannot apply to bpf/master v5.17] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/intel-lab-lkp/linux/commits/Roberto-Sassu/bpf-Secure-and-authenticated-preloading-of-eBPF-programs/20220329-015829 base: https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master config: hexagon-randconfig-r041-20220328 (https://download.01.org/0day-ci/archive/20220329/202203291256.TUOyKEtD-lkp@intel.com/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 0f6d9501cf49ce02937099350d08f20c4af86f3d) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/intel-lab-lkp/linux/commit/eddbb1ec1e92ba00c4acc9f123769265e17e8e40 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Roberto-Sassu/bpf-Secure-and-authenticated-preloading-of-eBPF-programs/20220329-015829 git checkout eddbb1ec1e92ba00c4acc9f123769265e17e8e40 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@...el.com> All errors (new ones prefixed by >>): kernel/bpf/inode.c:25:37: error: use of undeclared identifier 'CONFIG_BPF_PRELOAD_LIST' static char *bpf_preload_list_str = CONFIG_BPF_PRELOAD_LIST; ^ >> kernel/bpf/inode.c:1026:13: error: redefinition of 'mount_bpffs' void __init mount_bpffs(void) ^ include/linux/bpf.h:1146:27: note: previous definition is here static inline void __init mount_bpffs(void) ^ 2 errors generated. vim +/mount_bpffs +1026 kernel/bpf/inode.c 1025 > 1026 void __init mount_bpffs(void) -- 0-DAY CI Kernel Test Service https://01.org/lkp
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