Hi Eric, FYI, the error/warning was bisected to this commit, please ignore it if it's irrelevant. tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 1c6f93977947dbba1fc4d250c4eb8a7d4cfdecf1 commit: 0fd6d7a6e290d94f18134302d49162c22dff01c9 [12987/13166] mips/kexec: refactor for kernel/Kconfig.kexec config: mips-randconfig-r002-20230703 (https://download.01.org/0day-ci/archive/20230704/202307041537.G8Z4pB7K-lkp@xxxxxxxxx/config) compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project.git 4a5ac14ee968ff0ad5d2cc1ffa0299048db4c88a) reproduce: (https://download.01.org/0day-ci/archive/20230704/202307041537.G8Z4pB7K-lkp@xxxxxxxxx/reproduce) 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/202307041537.G8Z4pB7K-lkp@xxxxxxxxx/ Note: the linux-next/master HEAD 1c6f93977947dbba1fc4d250c4eb8a7d4cfdecf1 builds fine. It may have been fixed somewhere. All errors (new ones prefixed by >>): >> ld.lld: error: undefined symbol: machine_kexec_cleanup >>> referenced by kexec_core.c >>> kernel/kexec_core.o:(kimage_free) in archive vmlinux.a -- >> ld.lld: error: undefined symbol: machine_crash_shutdown >>> referenced by kexec_core.c >>> kernel/kexec_core.o:(__crash_kexec) in archive vmlinux.a -- >> ld.lld: error: undefined symbol: machine_kexec >>> referenced by kexec_core.c >>> kernel/kexec_core.o:(__crash_kexec) in archive vmlinux.a >>> referenced by kexec_core.c >>> kernel/kexec_core.o:(kernel_kexec) in archive vmlinux.a -- >> ld.lld: error: undefined symbol: machine_shutdown >>> referenced by kexec_core.c >>> kernel/kexec_core.o:(kernel_kexec) in archive vmlinux.a -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
