Hi Mukesh, kernel test robot noticed the following build errors:
[auto build test ERROR on powerpc/next] [also build test ERROR on powerpc/fixes linus/master v6.19-rc1 next-20251215] [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/Mukesh-Kumar-Chaurasiya/powerpc-rename-arch_irq_disabled_regs/20251214-210813 base: https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next patch link: https://lore.kernel.org/r/20251214130245.43664-9-mkchauras%40linux.ibm.com patch subject: [PATCH v2 8/8] powerpc: Enable Generic Entry/Exit for syscalls. config: powerpc-randconfig-001-20251215 (https://download.01.org/0day-ci/archive/20251216/[email protected]/config) compiler: powerpc-linux-gcc (GCC) 9.5.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251216/[email protected]/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 <[email protected]> | Closes: https://lore.kernel.org/oe-kbuild-all/[email protected]/ All errors (new ones prefixed by >>): powerpc-linux-ld: init/main.o: in function `do_trace_event_raw_event_initcall_level': include/trace/events/initcall.h:10: undefined reference to `memcpy' powerpc-linux-ld: init/main.o: in function `repair_env_string': init/main.c:512: undefined reference to `memmove' powerpc-linux-ld: init/do_mounts.o: in function `do_mount_root': init/do_mounts.c:162: undefined reference to `memset' powerpc-linux-ld: arch/powerpc/kernel/process.o: in function `start_thread': arch/powerpc/kernel/process.c:1919: undefined reference to `memset' powerpc-linux-ld: arch/powerpc/kernel/process.o: in function `__set_breakpoint': arch/powerpc/kernel/process.c:880: undefined reference to `memcpy' powerpc-linux-ld: arch/powerpc/kernel/process.o: in function `arch_dup_task_struct': arch/powerpc/kernel/process.c:1724: undefined reference to `memcpy' powerpc-linux-ld: arch/powerpc/kernel/process.o: in function `copy_thread': arch/powerpc/kernel/process.c:1801: undefined reference to `memset' powerpc-linux-ld: arch/powerpc/kernel/process.c:1812: undefined reference to `memcpy' powerpc-linux-ld: arch/powerpc/kernel/signal.o: in function `do_signal': arch/powerpc/kernel/signal.c:247: undefined reference to `memset' powerpc-linux-ld: arch/powerpc/kernel/time.o: in function `register_decrementer_clockevent': >> arch/powerpc/kernel/time.c:834: undefined reference to `memcpy' powerpc-linux-ld: arch/powerpc/kernel/time.o: in function `platform_device_register_resndata': >> include/linux/platform_device.h:158: undefined reference to `memset' powerpc-linux-ld: arch/powerpc/kernel/prom.o: in function `move_device_tree': >> arch/powerpc/kernel/prom.c:134: undefined reference to `memcpy' powerpc-linux-ld: arch/powerpc/kernel/setup-common.o: in function `probe_machine': >> arch/powerpc/kernel/setup-common.c:646: undefined reference to `memcpy' powerpc-linux-ld: arch/powerpc/kernel/ptrace/ptrace-view.o: in function `user_regset_copyin': >> include/linux/regset.h:276: undefined reference to `memcpy' powerpc-linux-ld: arch/powerpc/kernel/ptrace/ptrace-view.o: in function `membuf_write': include/linux/regset.h:42: undefined reference to `memcpy' powerpc-linux-ld: arch/powerpc/kernel/ptrace/ptrace-view.o: in function `gpr_get': >> arch/powerpc/kernel/ptrace/ptrace-view.c:230: undefined reference to `memcpy' powerpc-linux-ld: arch/powerpc/kernel/ptrace/ptrace-view.o: in function `membuf_zero': >> include/linux/regset.h:30: undefined reference to `memset' powerpc-linux-ld: arch/powerpc/kernel/ptrace/ptrace-view.o: in function `gpr32_get_common': arch/powerpc/kernel/ptrace/ptrace-view.c:707: undefined reference to `memcpy' >> powerpc-linux-ld: arch/powerpc/kernel/ptrace/ptrace-view.c:708: undefined >> reference to `memcpy' powerpc-linux-ld: arch/powerpc/kernel/ptrace/ptrace-view.c:710: undefined reference to `memcpy' powerpc-linux-ld: arch/powerpc/kernel/ptrace/ptrace-view.o: in function `membuf_zero': >> include/linux/regset.h:30: undefined reference to `memset' powerpc-linux-ld: arch/powerpc/kernel/ptrace/ptrace-novsx.o: in function `membuf_write': include/linux/regset.h:42: undefined reference to `memcpy' powerpc-linux-ld: arch/powerpc/kernel/optprobes.o: in function `can_optimize': >> arch/powerpc/kernel/optprobes.c:71: undefined reference to `memset' powerpc-linux-ld: arch/powerpc/kernel/kvm.o: in function `kvm_map_magic_page': >> arch/powerpc/kernel/kvm.c:407: undefined reference to `memset' powerpc-linux-ld: arch/powerpc/kernel/kvm.o: in function `kvm_patch_ins_mtmsrd': >> arch/powerpc/kernel/kvm.c:178: undefined reference to `memcpy' powerpc-linux-ld: arch/powerpc/kernel/kvm.o: in function `kvm_patch_ins_mtmsr': arch/powerpc/kernel/kvm.c:231: undefined reference to `memcpy' powerpc-linux-ld: arch/powerpc/kernel/kvm.o: in function `epapr_hypercall0_1': >> arch/powerpc/include/asm/epapr_hcalls.h:511: undefined reference to `memset' powerpc-linux-ld: arch/powerpc/mm/mem.o: in function `execmem_arch_setup': >> arch/powerpc/mm/mem.c:423: undefined reference to `memset' powerpc-linux-ld: arch/powerpc/mm/init-common.o: in function `ctor_15': >> arch/powerpc/mm/init-common.c:81: undefined reference to `memset' powerpc-linux-ld: arch/powerpc/mm/init-common.o: in function `ctor_14': >> arch/powerpc/mm/init-common.c:81: undefined reference to `memset' powerpc-linux-ld: arch/powerpc/mm/init-common.o: in function `ctor_13': >> arch/powerpc/mm/init-common.c:81: undefined reference to `memset' powerpc-linux-ld: arch/powerpc/mm/init-common.o:arch/powerpc/mm/init-common.c:81: more undefined references to `memset' follow powerpc-linux-ld: arch/powerpc/lib/pmem.o: in function `memcpy_flushcache': >> arch/powerpc/lib/pmem.c:84: undefined reference to `memcpy' powerpc-linux-ld: arch/powerpc/sysdev/fsl_mpic_err.o: in function `mpic_setup_error_int': >> arch/powerpc/sysdev/fsl_mpic_err.c:70: undefined reference to `memcpy' powerpc-linux-ld: arch/powerpc/platforms/8xx/pic.o: in function `irq_domain_create_linear': >> include/linux/irqdomain.h:405: undefined reference to `memset' powerpc-linux-ld: arch/powerpc/platforms/8xx/cpm1.o: in function `cpm1_clk_setup': arch/powerpc/platforms/8xx/cpm1.c:251: undefined reference to `memcpy' powerpc-linux-ld: arch/powerpc/platforms/8xx/cpm1-ic.o: in function `irq_domain_create_linear': include/linux/irqdomain.h:405: undefined reference to `memset' powerpc-linux-ld: kernel/fork.o: in function `do_trace_event_raw_event_task_newtask': include/trace/events/task.h:9: undefined reference to `memcpy' powerpc-linux-ld: kernel/fork.o: in function `do_trace_event_raw_event_task_rename': include/trace/events/task.h:34: undefined reference to `memcpy' powerpc-linux-ld: kernel/fork.o: in function `copy_struct_from_user': include/linux/uaccess.h:396: undefined reference to `memset' powerpc-linux-ld: kernel/fork.o: in function `copy_clone_args_from_user': kernel/fork.c:2800: undefined reference to `memset' powerpc-linux-ld: kernel/fork.o: in function `mm_init': kernel/fork.c:1044: undefined reference to `memset' powerpc-linux-ld: kernel/fork.o: in function `bitmap_zero': include/linux/bitmap.h:238: undefined reference to `memset' powerpc-linux-ld: kernel/fork.o: in function `pgd_alloc': arch/powerpc/include/asm/nohash/pgalloc.h:26: undefined reference to `memcpy' powerpc-linux-ld: kernel/fork.o: in function `__kmem_cache_create': include/linux/slab.h:379: undefined reference to `memset' powerpc-linux-ld: kernel/fork.o: in function `arch_dup_task_struct': kernel/fork.c:854: undefined reference to `memcpy' powerpc-linux-ld: kernel/fork.o: in function `mm_alloc': kernel/fork.c:1120: undefined reference to `memset' powerpc-linux-ld: kernel/fork.o: in function `replace_mm_exe_file': kernel/fork.c:1238: undefined reference to `memset' powerpc-linux-ld: kernel/fork.o: in function `copy_process': kernel/fork.c:2030: undefined reference to `memset' powerpc-linux-ld: kernel/fork.o: in function `posix_cputimers_init': include/linux/posix-timers.h:103: undefined reference to `memset' powerpc-linux-ld: kernel/fork.o: in function `copy_sighand': kernel/fork.c:1618: undefined reference to `memcpy' powerpc-linux-ld: kernel/fork.o: in function `copy_signal': kernel/fork.c:1687: undefined reference to `memcpy' powerpc-linux-ld: kernel/fork.o: in function `dup_mm': kernel/fork.c:1483: undefined reference to `memcpy' powerpc-linux-ld: kernel/fork.o: in function `create_io_thread': kernel/fork.c:2549: undefined reference to `memset' powerpc-linux-ld: kernel/fork.o: in function `kernel_thread': kernel/fork.c:2661: undefined reference to `memset' powerpc-linux-ld: kernel/fork.o: in function `user_mode_thread': kernel/fork.c:2678: undefined reference to `memset' powerpc-linux-ld: kernel/fork.o: in function `sys_fork': kernel/fork.c:2692: undefined reference to `memset' powerpc-linux-ld: kernel/fork.o: in function `sys_vfork': kernel/fork.c:2707: undefined reference to `memset' powerpc-linux-ld: kernel/fork.o:kernel/fork.c:2740: more undefined references to `memset' follow powerpc-linux-ld: kernel/softirq.o: in function `do_trace_event_raw_event_irq_handler_entry': include/trace/events/irq.h:53: undefined reference to `memcpy' powerpc-linux-ld: kernel/resource.o: in function `find_next_iomem_res': kernel/resource.c:372: undefined reference to `memset' powerpc-linux-ld: kernel/resource.o: in function `__request_region_locked': kernel/resource.c:1261: undefined reference to `memset' powerpc-linux-ld: kernel/resource.o: in function `reserve_setup': kernel/resource.c:1757: undefined reference to `memset' powerpc-linux-ld: kernel/resource.c:1760: undefined reference to `memset' powerpc-linux-ld: kernel/sysctl.o: in function `proc_put_long': kernel/sysctl.c:339: undefined reference to `memcpy' powerpc-linux-ld: kernel/sysctl.o: in function `_proc_do_string': kernel/sysctl.c:127: undefined reference to `memcpy' powerpc-linux-ld: kernel/sysctl.o: in function `proc_get_long': kernel/sysctl.c:284: undefined reference to `memcpy' powerpc-linux-ld: kernel/sysctl.o: in function `bitmap_copy': include/linux/bitmap.h:259: undefined reference to `memcpy' powerpc-linux-ld: kernel/sysctl.o: in function `proc_do_static_key': kernel/sysctl.c:1433: undefined reference to `memset' powerpc-linux-ld: kernel/capability.o: in function `__do_sys_capset': kernel/capability.c:218: undefined reference to `memset' powerpc-linux-ld: kernel/ptrace.o: in function `syscall_set_arguments': arch/powerpc/include/asm/syscall.h:127: undefined reference to `memcpy' powerpc-linux-ld: kernel/ptrace.o: in function `ptrace_get_syscall_info': kernel/ptrace.c:998: undefined reference to `memset' powerpc-linux-ld: kernel/ptrace.o: in function `copy_siginfo': include/linux/signal.h:18: undefined reference to `memcpy' powerpc-linux-ld: include/linux/signal.h:18: undefined reference to `memcpy' powerpc-linux-ld: include/linux/signal.h:18: undefined reference to `memcpy' powerpc-linux-ld: kernel/user.o: in function `ratelimit_state_init': include/linux/ratelimit.h:12: undefined reference to `memset' powerpc-linux-ld: kernel/user.o: in function `__kmem_cache_create': include/linux/slab.h:379: undefined reference to `memset' powerpc-linux-ld: kernel/signal.o: in function `do_trace_event_raw_event_signal_generate': include/trace/events/signal.h:50: undefined reference to `memcpy' powerpc-linux-ld: kernel/signal.o: in function `clear_siginfo': include/linux/signal.h:23: undefined reference to `memset' powerpc-linux-ld: kernel/signal.o: in function `copy_siginfo': include/linux/signal.h:18: undefined reference to `memcpy' powerpc-linux-ld: kernel/signal.o: in function `do_sigaltstack': kernel/signal.c:4396: undefined reference to `memset' powerpc-linux-ld: kernel/signal.o: in function `copy_siginfo': include/linux/signal.h:18: undefined reference to `memcpy' powerpc-linux-ld: include/linux/signal.h:18: undefined reference to `memcpy' powerpc-linux-ld: kernel/signal.o: in function `signals_init': kernel/signal.c:5011: undefined reference to `memset' powerpc-linux-ld: kernel/sys.o: in function `override_release': kernel/sys.c:1331: undefined reference to `memset' powerpc-linux-ld: kernel/sys.o: in function `__do_sys_newuname': kernel/sys.c:1356: undefined reference to `memcpy' powerpc-linux-ld: kernel/sys.o: in function `__do_sys_uname': kernel/sys.c:1380: undefined reference to `memcpy' powerpc-linux-ld: kernel/sys.o: in function `prctl_set_auxv': vim +18 include/linux/signal.h ^1da177e4c3f415 Linus Torvalds 2005-04-16 14 ae7795bc6187a15 Eric W. Biederman 2018-09-25 15 static inline void copy_siginfo(kernel_siginfo_t *to, ae7795bc6187a15 Eric W. Biederman 2018-09-25 16 const kernel_siginfo_t *from) ca9eb49aa9562ea James Hogan 2016-02-08 17 { ca9eb49aa9562ea James Hogan 2016-02-08 @18 memcpy(to, from, sizeof(*to)); ca9eb49aa9562ea James Hogan 2016-02-08 19 } ca9eb49aa9562ea James Hogan 2016-02-08 20 ae7795bc6187a15 Eric W. Biederman 2018-09-25 21 static inline void clear_siginfo(kernel_siginfo_t *info) 8c5dbf2ae00bb86 Eric W. Biederman 2017-07-24 22 { 8c5dbf2ae00bb86 Eric W. Biederman 2017-07-24 @23 memset(info, 0, sizeof(*info)); 8c5dbf2ae00bb86 Eric W. Biederman 2017-07-24 24 } 8c5dbf2ae00bb86 Eric W. Biederman 2017-07-24 25 4ce5f9c9e754691 Eric W. Biederman 2018-09-25 26 #define SI_EXPANSION_SIZE (sizeof(struct siginfo) - sizeof(struct kernel_siginfo)) 4ce5f9c9e754691 Eric W. Biederman 2018-09-25 27 fa4751f454e6b51 Eric W. Biederman 2020-05-05 28 static inline void copy_siginfo_to_external(siginfo_t *to, fa4751f454e6b51 Eric W. Biederman 2020-05-05 29 const kernel_siginfo_t *from) fa4751f454e6b51 Eric W. Biederman 2020-05-05 30 { fa4751f454e6b51 Eric W. Biederman 2020-05-05 @31 memcpy(to, from, sizeof(*from)); fa4751f454e6b51 Eric W. Biederman 2020-05-05 @32 memset(((char *)to) + sizeof(struct kernel_siginfo), 0, fa4751f454e6b51 Eric W. Biederman 2020-05-05 33 SI_EXPANSION_SIZE); fa4751f454e6b51 Eric W. Biederman 2020-05-05 34 } fa4751f454e6b51 Eric W. Biederman 2020-05-05 35 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
