Re: [PATCH 2/2] cxl: Fix race of nvdimm_bus for the nvdimm_bridge object

kernel test robot
2026-02-05T17:48:27Z

Hi Dave,

kernel test robot noticed the following build errors:

[auto build test ERROR on 18f7fcd5e69a04df57b563360b88be72471d6b62]

url: https://github.com/intel-lab-lkp/linux/commits/Dave-Jiang/cxl-test-Removal-of-nvdimm_bus_register-wrapper-in-cxl_test/20260205-081838
base: 18f7fcd5e69a04df57b563360b88be72471d6b62
patch link: https://lore.kernel.org/r/20260205001633.1813643-3-dave.jiang%40intel.com
patch subject: [PATCH 2/2] cxl: Fix race of nvdimm_bus for the nvdimm_bridge object
config: parisc-randconfig-r061-20260205 (https://download.01.org/0day-ci/archive/20260206/202602060104.uSyuffEI-lkp@intel.com/config)
compiler: hppa-linux-gcc (GCC) 11.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260206/202602060104.uSyuffEI-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/202602060104.uSyuffEI-lkp@intel.com/

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

>> ERROR: modpost: "nvdimm_bus_unregister" [drivers/cxl/core/cxl_core.ko] undefined!
>> ERROR: modpost: "nvdimm_provider_data" [drivers/cxl/core/cxl_core.ko] undefined!
>> ERROR: modpost: "nvdimm_bus_register" [drivers/cxl/core/cxl_core.ko] undefined!
>> ERROR: modpost: "nvdimm_cmd_mask" [drivers/cxl/core/cxl_core.ko] undefined!

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