Hi, Thank you for the patch! Yet something to improve: [auto build test ERROR on s390/features] [also build test ERROR on linus/master v6.1-rc4 next-20221111] [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#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/wangkailong-jari-cn/KVM-s390-fix-array_size-cocci-warning/20221113-172457 base: https://git.kernel.org/pub/scm/linux/kernel/git/s390/linux.git features patch link: https://lore.kernel.org/r/56879380.12c.1847049393b.Coremail.wangkailong%40jari.cn patch subject: [PATCH] KVM: s390: fix array_size.cocci warning config: s390-randconfig-r044-20221113 compiler: s390-linux-gcc (GCC) 12.1.0 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/d0542ab32663c9e6759ed99998250b53300650c1 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review wangkailong-jari-cn/KVM-s390-fix-array_size-cocci-warning/20221113-172457 git checkout d0542ab32663c9e6759ed99998250b53300650c1 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=s390 prepare If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot All error/warnings (new ones prefixed by >>): arch/s390/tools/gen_facilities.c: In function 'print_facility_lists': >> arch/s390/tools/gen_facilities.c:151:25: warning: implicit declaration of function 'ARRAY_SIZE' [-Wimplicit-function-declaration] 151 | for (i = 0; i < ARRAY_SIZE(facility_defs); i++) | ^~~~~~~~~~ /usr/bin/ld: /tmp/cc82HgHl.o: in function `main': >> gen_facilities.c:(.text.startup+0x9a): undefined reference to `ARRAY_SIZE' collect2: error: ld returned 1 exit status make[2]: *** [scripts/Makefile.host:111: arch/s390/tools/gen_facilities] Error 1 make[2]: Target 'kapi' not remade because of errors. make[1]: *** [arch/s390/Makefile:151: archprepare] Error 2 make[1]: Target 'prepare' not remade because of errors. make: *** [Makefile:231: __sub-make] Error 2 make: Target 'prepare' not remade because of errors. -- 0-DAY CI Kernel Test Service https://01.org/lkp