WARNING: modpost: vmlinux (__llvm_covfun): unexpected non-allocatable section.

WARNING: modpost: vmlinux (__llvm_covfun): unexpected non-allocatable section.

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   5189dafa4cf950e675f02ee04b577dfbbad0d9b1
commit: 32a84cfc6caf830431375c5182391284986d4066 arch: um: Add Clang coverage support
date:   7 months ago
config: um-randconfig-r133-20240809 (https://download.01.org/0day-ci/archive/20240812/202408120748.AOYnYuYz-lkp@intel.com/config)
compiler: clang version 20.0.0git (https://github.com/llvm/llvm-project f86594788ce93b696675c94f54016d27a6c21d18)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240812/202408120748.AOYnYuYz-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/202408120748.AOYnYuYz-lkp@intel.com/

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

WARNING: modpost: missing MODULE_DESCRIPTION() in vmlinux.o
>> WARNING: modpost: vmlinux (__llvm_covfun): unexpected non-allocatable section.
Did you forget to use "ax"/"aw" in a .S file?
Note that for example <linux/init.h> contains
section definitions for use in .S files.
--
>> WARNING: modpost: vmlinux (__llvm_covfun): unexpected non-allocatable section.
Did you forget to use "ax"/"aw" in a .S file?
Note that for example <linux/init.h> contains
section definitions for use in .S files.
--
>> WARNING: modpost: vmlinux (__llvm_covmap): unexpected non-allocatable section.
Did you forget to use "ax"/"aw" in a .S file?
Note that for example <linux/init.h> contains
section definitions for use in .S files.

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