Hi Thomas, I love your patch! Perhaps something to improve: [auto build test WARNING on linux/master] [also build test WARNING on linus/master v5.9-rc8 next-20201008] [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/Thomas-Bogendoerfer/MIPS-cpu-probe-move-fpu-probing-handling-into-its-own-file/20201009-002949 base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git bcf876870b95592b52519ed4aafcf9d95999bc9c config: mips-allyesconfig (attached as .config) compiler: mips-linux-gcc (GCC) 9.3.0 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/0day-ci/linux/commit/9bcc7c604b60699121267371426a9c9ee8559b31 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Thomas-Bogendoerfer/MIPS-cpu-probe-move-fpu-probing-handling-into-its-own-file/20201009-002949 git checkout 9bcc7c604b60699121267371426a9c9ee8559b31 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=mips 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/mips/kernel/fpu-probe.c:41:5: warning: no previous prototype for '__cpu_has_fpu' [-Wmissing-prototypes] 41 | int __cpu_has_fpu(void) | ^~~~~~~~~~~~~ >> arch/mips/kernel/fpu-probe.c:273:6: warning: no previous prototype for 'cpu_set_fpu_opts' [-Wmissing-prototypes] 273 | void cpu_set_fpu_opts(struct cpuinfo_mips *c) | ^~~~~~~~~~~~~~~~ >> arch/mips/kernel/fpu-probe.c:298:6: warning: no previous prototype for 'cpu_set_nofpu_opts' [-Wmissing-prototypes] 298 | void cpu_set_nofpu_opts(struct cpuinfo_mips *c) | ^~~~~~~~~~~~~~~~~~ vim +/__cpu_has_fpu +41 arch/mips/kernel/fpu-probe.c 37 38 /* 39 * Check if the CPU has an external FPU. 40 */ > 41 int __cpu_has_fpu(void) 42 { 43 return (cpu_get_fpu_id() & FPIR_IMP_MASK) != FPIR_IMP_NONE; 44 } 45 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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