[kbuild-all] arch/powerpc/mm/book3s64/pkeys.c:284:20: error: unused function 'update_current_thread_amr'

Hi Aneesh, FYI, the error/warning still remains. tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 7acac4b3196caee5e21fb5ea53f8bc124e6a16fc commit: 48a8ab4eeb8271f2a0e2ca3cf80844a59acca153 powerpc/book3s64/pkeys: Don't update SPRN_AMR when in kernel mode. date: 4 months ago config: powerpc64-randconfig-r016-20210323 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 78a65cd945d006ff02f9d24d9cc20a302ed93b08) 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 powerpc64 cross compiling tool for clang build # apt-get install binutils-powerpc64-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 48a8ab4eeb8271f2a0e2ca3cf80844a59acca153 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=powerpc64 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) ^ arch/powerpc/mm/book3s64/pkeys.c:289:20: error: unused function 'update_current_thread_iamr' [-Werror,-Wunused-function] 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 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org