Hi Arnd, FYI, the error/warning still remains. tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 8702f95941c215501826ea8743a8b64b83479209 commit: 0652035a57945e14e611dafae2ec5b46a05bc1d1 [1088/13550] asm-generic: unaligned: remove byteshift helpers config: mips-randconfig-r013-20210625 (attached as .config) compiler: mips64-linux-gcc (GCC) 9.3.0 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 # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=0652035a57945e14e611dafae2ec5b46a05bc1d1 git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout 0652035a57945e14e611dafae2ec5b46a05bc1d1 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=mips If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): mips64-linux-ld: arch/mips/boot/compressed/decompress.o: in function `decompress_kernel': >> decompress.c:(.text.decompress_kernel+0x54): undefined reference to `__bswapsi2' >> mips64-linux-ld: decompress.c:(.text.decompress_kernel+0x80): undefined reference to `__bswapsi2' mips64-linux-ld: decompress.c:(.text.decompress_kernel+0x9c): undefined reference to `__bswapsi2' mips64-linux-ld: decompress.c:(.text.decompress_kernel+0xe8): undefined reference to `__bswapsi2' --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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