[vbabka:DONTTEST-pcp-locking-bench 1/4] WARNING: modpost: "this_cpu_cmpxchg16b_emu" [lib/slub_kunit.ko] has no CRC!

[vbabka:DONTTEST-pcp-locking-bench 1/4] WARNING: modpost: "this_cpu_cmpxchg16b_emu" [lib/slub_kunit.ko] has no CRC!

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/vbabka/linux.git DONTTEST-pcp-locking-bench
head:   95b2f070fc4eb7b92d528f64395c5306dc993c50
commit: aefcca2d0875add24036512e1f45bb9da89989c0 [1/4] slub_kunit: hack in a stupid locking/atomics microbenchmark
config: x86_64-buildonly-randconfig-002-20240521 (https://download.01.org/0day-ci/archive/20240521/202405212012.LbVxj6ks-lkp@intel.com/config)
compiler: clang version 18.1.5 (https://github.com/llvm/llvm-project 617a15a9eac96088ae5e9134248d8236e34b91b1)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240521/202405212012.LbVxj6ks-lkp@intel.com/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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202405212012.LbVxj6ks-lkp@intel.com/

All warnings (new ones prefixed by >>, old ones prefixed by <<):

WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/base/regmap/regmap-spmi.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/mfd/pcf50633-gpio.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/firewire/firewire-uapi-test.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/usb/misc/yurex.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/usb/gadget/function/usb_f_ecm_subset.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/usb/gadget/function/usb_f_rndis.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/usb/gadget/function/usb_f_uac1.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/usb/gadget/function/usb_f_uac1_legacy.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/usb/gadget/function/usb_f_uac2.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/usb/gadget/function/usb_f_uvc.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/usb/gadget/function/usb_f_midi.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/usb/gadget/function/usb_f_hid.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/usb/serial/ch341.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/usb/serial/usb_debug.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/usb/serial/mxuport.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/usb/serial/navman.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/usb/serial/usb-serial-simple.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/usb/serial/symbolserial.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/input/matrix-keymap.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/input/vivaldi-fmap.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/input/tests/input_test.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/rtc/lib_test.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/i2c/busses/i2c-ccgx-ucsi.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/i2c/busses/i2c-ali1563.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/media/rc/rc-core.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/media/common/videobuf2/videobuf2-dvb.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/media/common/uvc.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/media/pci/ttpci/budget-core.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/media/pci/bt8xx/bt878.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/media/pci/ivtv/ivtvfb.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/media/pci/saa7134/saa7134-empress.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/media/pci/saa7134/saa7134-dvb.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/media/v4l2-core/v4l2-async.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/media/v4l2-core/v4l2-fwnode.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/media/radio/si470x/radio-si470x-common.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/hwmon/mr75203.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/thermal/intel/intel_soc_dts_iosf.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/thermal/intel/int340x_thermal/processor_thermal_rfim.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/thermal/intel/int340x_thermal/processor_thermal_mbox.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/thermal/intel/int340x_thermal/processor_thermal_wt_req.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/thermal/intel/int340x_thermal/processor_thermal_wt_hint.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/thermal/intel/int340x_thermal/processor_thermal_power_floor.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/mmc/host/of_mmc_spi.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/mmc/core/mmc_core.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/crypto/atmel-sha204a.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/hid/hid.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/hid/hid-a4tech.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/hid/hid-apple.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/hid/hid-aureal.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/hid/hid-belkin.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/hid/hid-cherry.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/hid/hid-dr.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/hid/hid-emsff.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/hid/hid-ezkey.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/hid/hid-vivaldi-common.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/hid/hid-gyration.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/hid/hid-kensington.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/hid/hid-keytouch.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/hid/hid-kye.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/hid/hid-lenovo.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/hid/hid-microsoft.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/hid/hid-ortek.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/hid/hid-pl.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/hid/hid-petalynx.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/hid/hid-primax.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/hid/hid-redragon.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/hid/hid-saitek.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/hid/hid-speedlink.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/hid/hid-steam.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/hid/hid-sunplus.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/hid/hid-tivo.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/hid/hid-topseed.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/hid/hid-twinhan.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/hid/hid-zpff.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/hid/hid-zydacron.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/hid/hid-viewsonic.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/hid/hid-waltop.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/greybus/gb-es2.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/platform/x86/intel/intel-vbtn.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/platform/x86/classmate-laptop.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/platform/chrome/cros_kunit_proto_test.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/hwtracing/intel_th/intel_th_msu_sink.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/vdpa/vdpa.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/vdpa/ifcvf/ifcvf.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/pcmcia/pcmcia_rsrc.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/vhost/vringh.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/iio/buffer/kfifo_buf.o
WARNING: modpost: missing MODULE_DESCRIPTION() in sound/core/snd-pcm-dmaengine.o
WARNING: modpost: missing MODULE_DESCRIPTION() in sound/core/sound_kunit.o
WARNING: modpost: missing MODULE_DESCRIPTION() in sound/soc/codecs/snd-soc-sigmadsp.o
WARNING: modpost: missing MODULE_DESCRIPTION() in sound/soc/amd/renoir/snd-acp3x-rn.o
WARNING: modpost: missing MODULE_DESCRIPTION() in sound/soc/xilinx/snd-soc-xlnx-i2s.o
WARNING: modpost: missing MODULE_DESCRIPTION() in sound/soc/xilinx/snd-soc-xlnx-formatter-pcm.o
WARNING: modpost: missing MODULE_DESCRIPTION() in sound/ac97_bus.o
WARNING: modpost: missing MODULE_DESCRIPTION() in samples/vfio-mdev/mtty.o
WARNING: modpost: missing MODULE_DESCRIPTION() in samples/vfio-mdev/mdpy-fb.o
WARNING: modpost: missing MODULE_DESCRIPTION() in samples/vfio-mdev/mbochs.o
WARNING: modpost: missing MODULE_DESCRIPTION() in samples/configfs/configfs_sample.o
WARNING: modpost: EXPORT symbol "this_cpu_cmpxchg16b_emu" [vmlinux] version generation failed, symbol will not be versioned.
Is "this_cpu_cmpxchg16b_emu" prototyped in <asm/asm-prototypes.h>?
>> WARNING: modpost: "this_cpu_cmpxchg16b_emu" [lib/slub_kunit.ko] has no CRC!

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki