Hi Aneesh, FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 84196390620ac0e5070ae36af84c137c6216a7dc 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/?id=48a8ab4eeb8271f2a0e2ca3cf80844a59acca153 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 <l...@intel.com> All errors (new ones prefixed by >>): arch/powerpc/mm/book3s64/pkeys.c:284:20: error: unused function 'update_current_thread_amr' [-Werror,-Wunused-function] 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_iamr +289 arch/powerpc/mm/book3s64/pkeys.c 288 > 289 static inline void update_current_thread_iamr(u64 value) 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-...@lists.01.org
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