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-r034-20220405 (https://download.01.org/0day-ci/archive/20220405/202204051859.sUrlh86t-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+0xfaa): undefined reference to `__memset_io' >> csky-linux-ld: init.c:(.text+0x1028): undefined reference to `__memset_io' csky-linux-ld: drivers/pci/pci-sysfs.o: in function `pci_read_rom': pci-sysfs.c:(.text+0x3a6): undefined reference to `__memcpy_fromio' csky-linux-ld: drivers/pci/pci-sysfs.o: in function `pci_write_config': pci-sysfs.c:(.text+0x534): undefined reference to `__memcpy_fromio' csky-linux-ld: drivers/pci/switch/switchtec.o: in function `io_string_show': switchtec.c:(.text+0x7a2): undefined reference to `__memcpy_fromio' csky-linux-ld: drivers/pci/switch/switchtec.o: in function `vendor_id_show': switchtec.c:(.text+0x89c): undefined reference to `__memcpy_fromio' csky-linux-ld: drivers/pci/switch/switchtec.o: in function `mrpc_cmd_submit.part.0': switchtec.c:(.text+0x1c64): undefined reference to `__memcpy_toio' csky-linux-ld: drivers/pci/switch/switchtec.o: in function `switchtec_dev_write': switchtec.c:(.text+0x1dbc): undefined reference to `__memcpy_toio' csky-linux-ld: drivers/pci/switch/switchtec.o: in function `mrpc_complete_cmd': switchtec.c:(.text+0x1f78): undefined reference to `__memcpy_fromio' csky-linux-ld: switchtec.c:(.text+0x1f8c): undefined reference to `__memcpy_fromio' csky-linux-ld: drivers/soc/fsl/dpaa2-console.o: in function `dpaa2_console_read': dpaa2-console.c:(.text+0xd8): undefined reference to `__memcpy_fromio' csky-linux-ld: dpaa2-console.c:(.text+0x112): undefined reference to `__memcpy_fromio' csky-linux-ld: dpaa2-console.c:(.text+0x1b0): undefined reference to `__memcpy_fromio' csky-linux-ld: drivers/misc/sram.o: in function `sram_write': sram.c:(.text+0xa8): undefined reference to `__memcpy_toio' csky-linux-ld: drivers/misc/sram.o: in function `sram_read': sram.c:(.text+0xe8): undefined reference to `__memcpy_fromio' csky-linux-ld: drivers/misc/sram.o: in function `kmalloc_array.constprop.0': sram.c:(.text+0x15c): undefined reference to `__memcpy_toio' csky-linux-ld: sram.c:(.text+0x164): undefined reference to `__memcpy_fromio' csky-linux-ld: drivers/ntb/test/ntb_tool.o: in function `tool_peer_mw_write': >> ntb_tool.c:(.text+0xee6): undefined reference to `__memcpy_toio' csky-linux-ld: drivers/ntb/test/ntb_tool.o: in function `tool_peer_mw_read': ntb_tool.c:(.text+0xf70): undefined reference to `__memcpy_toio' >> csky-linux-ld: ntb_tool.c:(.text+0xf7c): undefined reference to `__memcpy_fromio' csky-linux-ld: drivers/ntb/test/ntb_tool.o: in function `ntb_peer_port_number': >> ntb_tool.c:(.text+0x1018): undefined reference to `__memcpy_fromio' csky-linux-ld: drivers/ntb/test/ntb_perf.o: in function `perf_copy_chunk': >> ntb_perf.c:(.text+0x20ca): undefined reference to `__memcpy_toio' >> csky-linux-ld: ntb_perf.c:(.text+0x211c): undefined reference to `__memcpy_toio' csky-linux-ld: drivers/ntb/ntb_transport.o: in function `ntb_memcpy_tx': >> ntb_transport.c:(.text+0x9ba): undefined reference to `__memcpy_toio' >> csky-linux-ld: ntb_transport.c:(.text+0xa04): undefined reference to `__memcpy_toio' csky-linux-ld: sound/pci/rme96.o: in function `snd_rme96_capture_copy_kernel': >> rme96.c:(.text+0x74e): undefined reference to `__memcpy_fromio' csky-linux-ld: sound/pci/rme96.o: in function `snd_rme96_capture_copy': rme96.c:(.text+0x784): undefined reference to `__memcpy_fromio' csky-linux-ld: sound/pci/rme96.o: in function `snd_rme96_playback_copy_kernel': >> rme96.c:(.text+0x87e): undefined reference to `__memcpy_toio' csky-linux-ld: sound/pci/rme96.o: in function `snd_rme96_playback_silence': >> rme96.c:(.text+0x8c6): undefined reference to `__memset_io' >> csky-linux-ld: rme96.c:(.text+0x8f4): undefined reference to `__memcpy_toio' >> csky-linux-ld: rme96.c:(.text+0x8fc): undefined reference to `__memset_io' csky-linux-ld: sound/soc/fsl/fsl_xcvr.o: in function `irq0_isr': >> fsl_xcvr.c:(.text+0x52c): undefined reference to `__memcpy_fromio' >> csky-linux-ld: fsl_xcvr.c:(.text+0x546): undefined reference to `__memcpy_fromio' >> csky-linux-ld: fsl_xcvr.c:(.text+0x588): undefined reference to `__memset_io' csky-linux-ld: fsl_xcvr.c:(.text+0x6a4): undefined reference to `__memcpy_fromio' csky-linux-ld: fsl_xcvr.c:(.text+0x6ac): undefined reference to `__memset_io' csky-linux-ld: fsl_xcvr.c:(.text+0x6f2): undefined reference to `__memcpy_fromio' csky-linux-ld: fsl_xcvr.c:(.text+0x72c): undefined reference to `__memcpy_fromio' csky-linux-ld: drivers/dma/ti/edma.o: in function `edma_write_slot': edma.c:(.text+0x158): undefined reference to `__memcpy_toio' csky-linux-ld: edma.c:(.text+0x174): undefined reference to `__memcpy_toio' csky-linux-ld: drivers/dma/ti/edma.o: in function `dma_ccerr_handler': edma.c:(.text+0x24c8): undefined reference to `__memcpy_fromio' >> csky-linux-ld: edma.c:(.text+0x2548): undefined reference to `__memcpy_fromio' csky-linux-ld: drivers/tty/serial/jsm/jsm_neo.o: in function `neo_copy_data_from_queue_to_uart': >> jsm_neo.c:(.text+0x624): undefined reference to `__memcpy_toio' >> csky-linux-ld: jsm_neo.c:(.text+0x69c): undefined reference to `__memcpy_toio' csky-linux-ld: drivers/tty/serial/jsm/jsm_neo.o: in function `neo_copy_data_from_uart_to_queue': jsm_neo.c:(.text+0x8ce): undefined reference to `__memcpy_fromio' csky-linux-ld: jsm_neo.c:(.text+0x93a): undefined reference to `__memcpy_fromio' csky-linux-ld: jsm_neo.c:(.text+0x960): undefined reference to `__memcpy_fromio' csky-linux-ld: jsm_neo.c:(.text+0x9fe): undefined reference to `__memcpy_fromio' csky-linux-ld: jsm_neo.c:(.text+0xa94): undefined reference to `__memcpy_fromio' csky-linux-ld: drivers/misc/habanalabs/common/firmware_if.o: in function `hl_fw_copy_fw_to_device': firmware_if.c:(.text+0x106): undefined reference to `__memcpy_toio' csky-linux-ld: drivers/misc/habanalabs/common/firmware_if.o: in function `usleep_range': firmware_if.c:(.text+0x130): undefined reference to `__memcpy_toio' csky-linux-ld: drivers/misc/habanalabs/common/firmware_if.o: in function `hl_fw_static_init_cpu': firmware_if.c:(.text+0xafa): undefined reference to `__memcpy_fromio' csky-linux-ld: firmware_if.c:(.text+0xb60): undefined reference to `__memcpy_fromio' csky-linux-ld: drivers/misc/habanalabs/common/firmware_if.o: in function `hl_fw_read_preboot_status': firmware_if.c:(.text+0x2208): undefined reference to `__memcpy_fromio' csky-linux-ld: firmware_if.c:(.text+0x2290): undefined reference to `__memcpy_fromio' csky-linux-ld: drivers/misc/habanalabs/common/firmware_if.o: in function `hl_fw_dynamic_request_descriptor': firmware_if.c:(.text.unlikely+0x530): undefined reference to `__memcpy_fromio' csky-linux-ld: drivers/misc/habanalabs/common/firmware_if.o:firmware_if.c:(.text.unlikely+0x628): more undefined references to `__memcpy_fromio' follow csky-linux-ld: drivers/misc/habanalabs/common/firmware_if.o: in function `hl_fw_dynamic_send_msg.constprop.0': firmware_if.c:(.text.unlikely+0x7dc): undefined reference to `__memcpy_toio' csky-linux-ld: firmware_if.c:(.text.unlikely+0x86c): undefined reference to `__memcpy_toio' csky-linux-ld: drivers/misc/habanalabs/goya/goya.o: in function `goya_pqe_write': goya.c:(.text+0x3148): undefined reference to `__memcpy_toio' csky-linux-ld: drivers/misc/habanalabs/goya/goya.o: in function `goya_get_dma_desc_list_size': goya.c:(.text+0x3240): undefined reference to `__memcpy_toio' csky-linux-ld: sound/core/memory.o: in function `copy_to_user_fromio': memory.c:(.text+0x6e): undefined reference to `__memcpy_fromio' csky-linux-ld: sound/core/memory.o: in function `copy_from_user_toio': memory.c:(.text+0x116): undefined reference to `__memcpy_toio' csky-linux-ld: memory.c:(.text+0x14c): undefined reference to `__memcpy_fromio' csky-linux-ld: memory.c:(.text+0x15c): undefined reference to `__memcpy_toio' csky-linux-ld: sound/pci/mixart/mixart_core.o: in function `get_msg.constprop.0': mixart_core.c:(.text+0x29c): undefined reference to `__memcpy_fromio' csky-linux-ld: mixart_core.c:(.text+0x310): undefined reference to `__memcpy_fromio' csky-linux-ld: sound/pci/mixart/mixart_hwdep.o: in function `mixart_dsp_load': mixart_hwdep.c:(.text+0x538): undefined reference to `__memcpy_toio' csky-linux-ld: mixart_hwdep.c:(.text+0x59c): undefined reference to `__memcpy_toio' csky-linux-ld: mixart_hwdep.c:(.text+0x67e): undefined reference to `__memcpy_toio' csky-linux-ld: mixart_hwdep.c:(.text+0x710): undefined reference to `__memcpy_toio' csky-linux-ld: mixart_hwdep.c:(.text+0x776): undefined reference to `__memcpy_toio' csky-linux-ld: sound/pci/mixart/mixart_hwdep.o:mixart_hwdep.c:(.text+0x888): more undefined references to `__memcpy_toio' follow -- 0-DAY CI Kernel Test Service https://01.org/lkp
