Hi Alexandre, kernel test robot noticed the following build errors: [auto build test ERROR on efi/next] [also build test ERROR on linus/master v6.4-rc5 next-20230607] [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#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Alexandre-Ghiti/riscv-Introduce-virtual-kernel-mapping-KASLR/20230606-203849 base: https://git.kernel.org/pub/scm/linux/kernel/git/efi/efi.git next patch link: https://lore.kernel.org/r/20230606123242.20804-4-alexghiti%40rivosinc.com patch subject: [PATCH v3 3/5] arm64: libstub: Move KASLR handling functions to efi-stub-helper.c config: arm64-allyesconfig (https://download.01.org/0day-ci/archive/20230608/202306080741.ArdxyO6n-lkp@xxxxxxxxx/config) compiler: aarch64-linux-gcc (GCC) 12.3.0 reproduce (this is a W=1 build): mkdir -p ~/bin wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git remote add efi https://git.kernel.org/pub/scm/linux/kernel/git/efi/efi.git git fetch efi next git checkout efi/next b4 shazam https://lore.kernel.org/r/20230606123242.20804-4-alexghiti@xxxxxxxxxxxx # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.3.0 ~/bin/make.cross W=1 O=build_dir ARCH=arm64 olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.3.0 ~/bin/make.cross W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202306080741.ArdxyO6n-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): aarch64-linux-ld: drivers/firmware/efi/libstub/efi-stub-helper.stub.o: in function `__efistub_efi_kaslr_relocate_kernel': >> __efistub_efi-stub-helper.c:(.init.text+0xfec): undefined reference to `__efistub__end' >> aarch64-linux-ld: __efistub_efi-stub-helper.c:(.init.text+0xff0): undefined reference to `__efistub__end' aarch64-linux-ld: __efistub_efi-stub-helper.c:(.init.text+0x1058): undefined reference to `__efistub_caches_clean_inval_pou' aarch64-linux-ld: arch/arm64/boot/vmlinuz.efi.elf: hidden symbol `__efistub__end' isn't defined aarch64-linux-ld: final link failed: bad value -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki