tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: a736cbd663d2a0d3024657aef143d1defaceae0f commit: be13c6c633412a576f1a666c07dbaae19331b0fc [1268/1268] Intel: device-dax: "Hotplug" persistent memory for use like normal RAM config: x86_64-buildonly-randconfig-004-20241103 (https://download.01.org/0day-ci/archive/20241202/202412021601.Wu04GQ8O-lkp@i...) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241202/202412021601.Wu04GQ8O-lkp@i...)

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/202412021601.Wu04GQ8O-lkp@intel.com/

All warnings (new ones prefixed by >>):

drivers/dax/kmem.c:17:5: warning: no previous prototype for 'dev_dax_kmem_probe' [-Wmissing-prototypes] 17 | int dev_dax_kmem_probe(struct device *dev) | ^~~~~~~~~~~~~~~~~~

...

drivers/dax/.tmp_kmem.o: warning: objtool: missing symbol for section .init.text