[android-common:android16-6.12 2/2] ERROR: modpost: "kasan_inval_dcache" [mm/kasan/kasan_test.ko] undefined!

[android-common:android16-6.12 2/2] ERROR: modpost: "kasan_inval_dcache" [mm/kasan/kasan_test.ko] undefined!

[kernel test robot]

tree:   https://android.googlesource.com/kernel/common android16-6.12
head:   b007708642feb84db41492468392d502f8eff553
commit: 8d99997b19ad09073cb0bbbe68bc6ac02ef58ca1 [2/2] ANDROID: kasan: flush dcache after tag writes
config: arm64-randconfig-002-20250331 (https://download.01.org/0day-ci/archive/20250331/202503311128.w8jZhNDL-lkp@intel.com/config)
compiler: clang version 21.0.0git (https://github.com/llvm/llvm-project 7eccafc3c84606587a175c0a8c1ebea6e4fb21cd)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250331/202503311128.w8jZhNDL-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/202503311128.w8jZhNDL-lkp@intel.com/

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

WARNING: modpost: missing MODULE_DESCRIPTION() in mm/kasan/kasan_test.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/xen/xenbus/xenbus_probe_frontend.o
>> ERROR: modpost: "kasan_inval_dcache" [mm/kasan/kasan_test.ko] undefined!
>> ERROR: modpost: "dcache_clean_inval_poc" [mm/kasan/kasan_test.ko] undefined!

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