Hi Dan, kernel test robot noticed the following build errors: [auto build test ERROR on be8b93b5cc7d533eb8c9b0590cdac055ecafe13a] url: https://github.com/intel-lab-lkp/linux/commits/Dan-Raymond/arch-x86-port-I-O-tracing-on-x86/20231007-053424 base: be8b93b5cc7d533eb8c9b0590cdac055ecafe13a patch link: https://lore.kernel.org/r/80b84be0-a0ad-d1a9-607a-a87c6cf509e0%40gmail.com patch subject: [PATCH v4] arch/x86: port I/O tracing on x86 config: x86_64-randconfig-001-20231007 (https://download.01.org/0day-ci/archive/20231007/202310071410.19ffOGGp-lkp@xxxxxxxxx/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231007/202310071410.19ffOGGp-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/202310071410.19ffOGGp-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): ld: arch/x86/realmode/rm/wakemain.o: in function `__inb': arch/x86/include/asm/shared/io.h:31: undefined reference to `do_trace_portio_read' ld: arch/x86/realmode/rm/wakemain.o: in function `__outw': arch/x86/include/asm/shared/io.h:32: undefined reference to `do_trace_portio_write' ld: arch/x86/realmode/rm/wakemain.o: in function `__outb': arch/x86/include/asm/shared/io.h:31: undefined reference to `do_trace_portio_write' >> ld: arch/x86/realmode/rm/wakemain.o:(__jump_table+0x8): undefined reference to `__tracepoint_portio_read' >> ld: arch/x86/realmode/rm/wakemain.o:(__jump_table+0x14): undefined reference to `__tracepoint_portio_write' ld: arch/x86/realmode/rm/wakemain.o:(__jump_table+0x20): undefined reference to `__tracepoint_portio_write' -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
