Re: [PATCH 4/7] crypto: x86/crc-t10dif - convert to static call library API

[kernel test robot <lkp@intel.com>]

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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@intel.com>

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@lists.01.org

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