tree: https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next-test head: c15d1f9d03a0f4f68bf52dffdd541c8054e6de35 commit: 48a8ab4eeb8271f2a0e2ca3cf80844a59acca153 [146/304] powerpc/book3s64/pkeys: Don't update SPRN_AMR when in kernel mode. config: powerpc-randconfig-r034-20201216 (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 71601d2ac9954cb59c443cb3ae442cb106df35d4) 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 powerpc cross compiling tool for clang build # apt-get install binutils-powerpc-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/commit/... git remote add powerpc https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git git fetch --no-tags powerpc next-test git checkout 48a8ab4eeb8271f2a0e2ca3cf80844a59acca153 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang 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 >>): static inline void update_current_thread_amr(u64 value) ^ static inline void update_current_thread_iamr(u64 value) ^ 2 errors generated. vim +/update_current_thread_amr +284 arch/powerpc/mm/book3s64/pkeys.c 283 285 { 286 current->thread.regs->amr = value; 287 } 288 290 { 291 if (!likely(pkey_execute_disable_supported)) 292 return; 293 294 current->thread.regs->iamr = value; 295 } 296 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org