Hi Andy, I love your patch! Perhaps something to improve: [auto build test WARNING on linux/master] [also build test WARNING on linus/master v5.12 next-20210504] [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/Andy-Shevchenko/lib-string_helpers-get-rid-of-ugly-_escape_mem_ascii/20210504-182828 base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 1fe5501ba1abf2b7e78295df73675423bd6899a0 config: s390-randconfig-r033-20210504 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 8f5a2a5836cc8e4c1def2bdeb022e7b496623439) 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 s390 cross compiling tool for clang build # apt-get install binutils-s390x-linux-gnu # https://github.com/0day-ci/linux/commit/047508aa8c09cb58cf304e9025283021731b3921 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Andy-Shevchenko/lib-string_helpers-get-rid-of-ugly-_escape_mem_ascii/20210504-182828 git checkout 047508aa8c09cb58cf304e9025283021731b3921 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=s390 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): >> drivers/tty/vt/selection.c:36:9: warning: 'isspace' macro redefined [-Wmacro-redefined] #define isspace(c) ((c) == ' ') ^ include/linux/ctype.h:33:9: note: previous definition is here #define isspace(c) ((__ismask(c)&(_S)) != 0) ^ 1 warning generated. vim +/isspace +36 drivers/tty/vt/selection.c 687bff0cd08f79 drivers/tty/vt/selection.c Jiri Slaby 2020-02-10 34 ^1da177e4c3f41 drivers/char/selection.c Linus Torvalds 2005-04-16 35 /* Don't take this from <ctype.h>: 011-015 on the screen aren't spaces */ ^1da177e4c3f41 drivers/char/selection.c Linus Torvalds 2005-04-16 @36 #define isspace(c) ((c) == ' ') ^1da177e4c3f41 drivers/char/selection.c Linus Torvalds 2005-04-16 37 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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