[adding NIOS2 maintainer] On 9/20/22 01:33, kernel test robot wrote: > Hi Randy, > > First bad commit (maybe != root cause): Yes, not related. > tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master > head: 521a547ced6477c54b4b0cc206000406c221b4d6 > commit: 81e005842d0b8167c059553a1c29c36d8a7a9329 media: isl7998x: select V4L2_FWNODE to fix build error > date: 3 months ago > config: nios2-buildonly-randconfig-r001-20220919 > compiler: nios2-linux-gcc (GCC) 12.1.0 > 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/torvalds/linux.git/commit/?id=81e005842d0b8167c059553a1c29c36d8a7a9329 > git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git > git fetch --no-tags linus master > git checkout 81e005842d0b8167c059553a1c29c36d8a7a9329 > # save the config file > mkdir build_dir && cp config build_dir/.config > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=nios2 SHELL=/bin/bash > > If you fix the issue, kindly add following tag where applicable > Reported-by: kernel test robot <lkp@xxxxxxxxx> > > All errors (new ones prefixed by >>, old ones prefixed by <<): > >>> ERROR: modpost: "__divsi3_table" [lib/lz4/lz4_compress.ko] undefined! Due to -O3 optimization in lib/lz4/Makefile: # SPDX-License-Identifier: GPL-2.0-only ccflags-y += -O3 obj-$(CONFIG_LZ4_COMPRESS) += lz4_compress.o obj-$(CONFIG_LZ4HC_COMPRESS) += lz4hc_compress.o obj-$(CONFIG_LZ4_DECOMPRESS) += lz4_decompress.o It builds fine without -O3. -- ~Randy
