tree: git://git.kernel.org/pub/scm/linux/kernel/git/ardb/linux.git arm64-compat-alignment-fixups head: 16de979d9372710aaa42cd93d3af1e9a43d53369 commit: 16de979d9372710aaa42cd93d3af1e9a43d53369 [2/2] arm64: compat: Implement misalignment fixups for multiword loads config: arm64-allyesconfig compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 016342e319fd31e41cf5ed16a6140a8ea2de74dd) 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 arm64 cross compiling tool for clang build # apt-get install binutils-aarch64-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/ardb/linux.git/commit/?id=16de979d9372710aaa42cd93d3af1e9a43d53369 git remote add ardb git://git.kernel.org/pub/scm/linux/kernel/git/ardb/linux.git git fetch --no-tags ardb arm64-compat-alignment-fixups git checkout 16de979d9372710aaa42cd93d3af1e9a43d53369 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash arch/arm64/kernel/ drivers/clk/qcom/ drivers/pinctrl/qcom/ If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot All warnings (new ones prefixed by >>): >> arch/arm64/kernel/compat_alignment.c:391:5: warning: no previous prototype for function 'do_compat_alignment_fixup' [-Wmissing-prototypes] int do_compat_alignment_fixup(unsigned long addr, struct pt_regs *regs) ^ arch/arm64/kernel/compat_alignment.c:391:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int do_compat_alignment_fixup(unsigned long addr, struct pt_regs *regs) ^ static 1 warning generated. vim +/do_compat_alignment_fixup +391 arch/arm64/kernel/compat_alignment.c 390 > 391 int do_compat_alignment_fixup(unsigned long addr, struct pt_regs *regs) -- 0-DAY CI Kernel Test Service https://01.org/lkp