Hi, I love your patch! Yet something to improve: [auto build test ERROR on soc/for-next] [also build test ERROR on linus/master linux/master v5.18-rc1 next-20220405] [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] url: https://github.com/intel-lab-lkp/linux/commits/guoren-kernel-org/csky-optimize-memcpy_-from-to-io-and-memset_io/20220404-224954 base: https://git.kernel.org/pub/scm/linux/kernel/git/soc/soc.git for-next config: csky-randconfig-r022-20220405 (https://download.01.org/0day-ci/archive/20220405/202204052238.Fz736aX3-lkp@xxxxxxxxx/config) compiler: csky-linux-gcc (GCC) 11.2.0 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://github.com/intel-lab-lkp/linux/commit/2e50048555b298851590ec8272100b595b8801f9 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review guoren-kernel-org/csky-optimize-memcpy_-from-to-io-and-memset_io/20220404-224954 git checkout 2e50048555b298851590ec8272100b595b8801f9 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=csky SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): csky-linux-ld: drivers/bus/mhi/core/init.o: in function `mhi_prepare_for_power_up': >> init.c:(.text+0xa50): undefined reference to `__memset_io' >> csky-linux-ld: init.c:(.text+0xaa8): undefined reference to `__memset_io' csky-linux-ld: drivers/pci/pci-sysfs.o: in function `pci_read_rom': >> pci-sysfs.c:(.text+0x2b8): undefined reference to `__memcpy_fromio' >> csky-linux-ld: pci-sysfs.c:(.text+0x2f4): undefined reference to `__memcpy_fromio' csky-linux-ld: drivers/soc/fsl/dpaa2-console.o: in function `dpaa2_console_read': dpaa2-console.c:(.text+0xbc): undefined reference to `__memcpy_fromio' csky-linux-ld: dpaa2-console.c:(.text+0xee): undefined reference to `__memcpy_fromio' csky-linux-ld: dpaa2-console.c:(.text+0x16c): undefined reference to `__memcpy_fromio' csky-linux-ld: drivers/misc/hpilo.o: in function `ilo_ccb_close': >> hpilo.c:(.text+0x204): undefined reference to `__memset_io' csky-linux-ld: drivers/misc/hpilo.o: in function `ilo_poll': hpilo.c:(.text+0x31c): undefined reference to `__memset_io' csky-linux-ld: drivers/misc/hpilo.o: in function `ilo_open': >> hpilo.c:(.text+0xc3c): undefined reference to `__memcpy_toio' >> csky-linux-ld: hpilo.c:(.text+0xd1c): undefined reference to `__memcpy_toio' csky-linux-ld: drivers/scsi/smartpqi/smartpqi_init.o: in function `pqi_process_firmware_features': >> smartpqi_init.c:(.text+0x3a92): undefined reference to `__memcpy_toio' >> csky-linux-ld: smartpqi_init.c:(.text+0x3b30): undefined reference to `__memcpy_toio' csky-linux-ld: drivers/scsi/smartpqi/smartpqi_init.o: in function `pqi_process_config_table': >> smartpqi_init.c:(.text+0x3bda): undefined reference to `__memcpy_fromio' csky-linux-ld: drivers/scsi/smartpqi/smartpqi_init.o: in function `pqi_configure_events.constprop.0': smartpqi_init.c:(.text+0x3d68): undefined reference to `__memcpy_fromio' csky-linux-ld: drivers/scsi/hptiop.o: in function `mv_inbound_write': >> hptiop.c:(.text+0x90e): undefined reference to `__memcpy_toio' csky-linux-ld: drivers/scsi/hptiop.o: in function `hptiop_post_req_mv': hptiop.c:(.text+0x9b4): undefined reference to `__memcpy_toio' csky-linux-ld: drivers/scsi/hptiop.o: in function `hptiop_request_callback_itl': >> hptiop.c:(.text+0xa58): undefined reference to `__memcpy_fromio' >> csky-linux-ld: hptiop.c:(.text+0xa88): undefined reference to `__memcpy_fromio' csky-linux-ld: drivers/scsi/hptiop.o: in function `iop_intr_mv': hptiop.c:(.text+0xd48): undefined reference to `__memcpy_fromio' csky-linux-ld: drivers/scsi/hptiop.o: in function `iop_intr_itl': hptiop.c:(.text+0xe10): undefined reference to `__memcpy_fromio' csky-linux-ld: drivers/scsi/hptiop.o: in function `iop_get_config_itl': hptiop.c:(.text+0x123a): undefined reference to `__memcpy_fromio' csky-linux-ld: drivers/scsi/hptiop.o: in function `iop_set_config_itl': hptiop.c:(.text+0x1278): undefined reference to `__memcpy_toio' csky-linux-ld: drivers/scsi/hptiop.o: in function `dma_alloc_coherent.constprop.0': hptiop.c:(.text+0x12ec): undefined reference to `__memcpy_fromio' >> csky-linux-ld: hptiop.c:(.text+0x12f0): undefined reference to `__memcpy_toio' csky-linux-ld: drivers/net/wan/pc300too.o: in function `sca_rx_done': >> pc300too.c:(.text+0xbfa): undefined reference to `__memcpy_fromio' >> csky-linux-ld: pc300too.c:(.text+0xc64): undefined reference to `__memcpy_fromio' csky-linux-ld: drivers/net/wan/pc300too.o: in function `sca_xmit': >> pc300too.c:(.text+0xd40): undefined reference to `__memcpy_toio' csky-linux-ld: drivers/net/wan/pc300too.o: in function `sca_poll': pc300too.c:(.text+0xf30): undefined reference to `__memcpy_toio' csky-linux-ld: fs/pstore/ram_core.o: in function `persistent_ram_update': >> ram_core.c:(.text+0x164): undefined reference to `__memcpy_toio' >> csky-linux-ld: ram_core.c:(.text+0x18c): undefined reference to `__memcpy_toio' csky-linux-ld: fs/pstore/ram_core.o: in function `persistent_ram_save_old': >> ram_core.c:(.text+0x4f2): undefined reference to `__memcpy_fromio' csky-linux-ld: ram_core.c:(.text+0x500): undefined reference to `__memcpy_fromio' csky-linux-ld: fs/pstore/ram_core.o: in function `persistent_ram_write_user': ram_core.c:(.text+0x5e0): undefined reference to `__memcpy_fromio' csky-linux-ld: drivers/scsi/sym53c8xx_2/sym_hipd.o: in function `sym_start_up': sym_hipd.c:(.text+0x3e3e): undefined reference to `__memcpy_toio' csky-linux-ld: sym_hipd.c:(.text+0x3e60): undefined reference to `__memcpy_toio' csky-linux-ld: sym_hipd.c:(.text+0x3fc8): undefined reference to `__memcpy_toio' csky-linux-ld: drivers/remoteproc/remoteproc_coredump.o: in function `rproc_copy_segment': remoteproc_coredump.c:(.text+0xb8): undefined reference to `__memcpy_fromio' csky-linux-ld: remoteproc_coredump.c:(.text+0xd4): undefined reference to `__memcpy_fromio' csky-linux-ld: drivers/remoteproc/remoteproc_elf_loader.o: in function `rproc_elf_load_segments': remoteproc_elf_loader.c:(.text+0x328): undefined reference to `__memcpy_toio' csky-linux-ld: remoteproc_elf_loader.c:(.text+0x34c): undefined reference to `__memset_io' csky-linux-ld: remoteproc_elf_loader.c:(.text+0x378): undefined reference to `__memcpy_toio' csky-linux-ld: remoteproc_elf_loader.c:(.text+0x37c): undefined reference to `__memset_io' -- 0-DAY CI Kernel Test Service https://01.org/lkp
