[kbuild-all] Re: arch/mips/mm/tlbex.c:2243:3: warning: unannotated fall-through between switch labels

tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 136057256686de39cc3a07c2e39ef6bc43003ff6 commit: dee2b702bcf067d7b6b62c18bdd060ff0810a800 kconfig: Add support for -Wimplicit-fallthrough date: 8 days ago config: mips-randconfig-r016-20211116 (attached as .config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project fbe72e41b99dc7994daac300d208a955be3e4a0a) 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 mips cross compiling tool for clang build # apt-get install binutils-mips-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit... git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout dee2b702bcf067d7b6b62c18bdd060ff0810a800 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=mips If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): >> arch/mips/mm/tlbex.c:2243:3: warning: unannotated fall-through between switch labels [-Wimplicit-fallthrough] case CPU_CAVIUM_OCTEON: ^ arch/mips/mm/tlbex.c:2243:3: note: insert 'break;' to avoid fall-through case CPU_CAVIUM_OCTEON: ^ break;