Hi Ard, I love your patch! Perhaps something to improve: [auto build test WARNING on cryptodev/master] [also build test WARNING on crypto/master linus/master v5.11-rc3 next-20210111] [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/0day-ci/linux/commits/Ard-Biesheuvel/crypto-switch-to-static-calls-for-CRC-T10DIF/20210112-005632 base: https://git.kernel.org/pub/scm/linux/kernel/git/herbert/cryptodev-2.6.git master config: x86_64-randconfig-a012-20210111 (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 7be3285248bf54d0784a76174cf44cf7c1e780a5) 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 # install x86_64 cross compiling tool for clang build # apt-get install binutils-x86-64-linux-gnu # https://github.com/0day-ci/linux/commit/df3e7f87b3c1edc4daace5f5df09d9a1896b97dc git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Ard-Biesheuvel/crypto-switch-to-static-calls-for-CRC-T10DIF/20210112-005632 git checkout df3e7f87b3c1edc4daace5f5df09d9a1896b97dc # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): >> arch/x86/crypto/crct10dif-pclmul_glue.c:50:32: warning: unused variable 'crct10dif_cpu_id' [-Wunused-const-variable] static const struct x86_cpu_id crct10dif_cpu_id[] = { ^ 1 warning generated. vim +/crct10dif_cpu_id +50 arch/x86/crypto/crct10dif-pclmul_glue.c 68411521cc6055ed Herbert Xu 2013-09-07 49 68411521cc6055ed Herbert Xu 2013-09-07 @50 static const struct x86_cpu_id crct10dif_cpu_id[] = { f30cfacad1ee948c Thomas Gleixner 2020-03-20 51 X86_MATCH_FEATURE(X86_FEATURE_PCLMULQDQ, NULL), 68411521cc6055ed Herbert Xu 2013-09-07 52 {} 68411521cc6055ed Herbert Xu 2013-09-07 53 }; 68411521cc6055ed Herbert Xu 2013-09-07 54 MODULE_DEVICE_TABLE(x86cpu, crct10dif_cpu_id); 68411521cc6055ed Herbert Xu 2013-09-07 55 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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