Hi Anson, [FYI, it's a private test report for your RFC patch.] [auto build test ERROR on powerpc/next] [also build test ERROR on linus/master v5.14-rc2 next-20210720] [cannot apply to paulus-powerpc/kvm-ppc-next] [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/Anson-Jacob/Add-generic-FPU-api-... base: https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next config: powerpc-stx_gp3_defconfig (attached as .config) compiler: powerpc-linux-gcc (GCC) 10.3.0 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/5cd65b03db50b99961fa08fdc6aa8ca91... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Anson-Jacob/Add-generic-FPU-api-similar-to-x86/20210720-143354 git checkout 5cd65b03db50b99961fa08fdc6aa8ca919cb05d4 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-10.3.0 make.cross ARCH=powerpc If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): arch/powerpc/kernel/process.c: In function 'kernel_fpu_end': 534 | done: | ^~~~ cc1: all warnings being treated as errors vim +/done +534 arch/powerpc/kernel/process.c 533 535 preempt_enable(); 536 } 537 EXPORT_SYMBOL_GPL(kernel_fpu_end); 538 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org