tree: https://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild.git kunit head: c505c0b2e6237c729634327c178f5b0094f1c958 commit: 7ab313d288d1c686ae39c7052f6ed6426ed38b54 [6/17] kbuild: enable building KUnit reproduce: # apt-get install sparse git checkout 7ab313d288d1c686ae39c7052f6ed6426ed38b54 make ARCH=x86_64 allmodconfig make C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp@xxxxxxxxx> sparse warnings: (new ones prefixed by >>) >> kunit/kunit-stream.c:14:12: sparse: sparse: symbol 'kunit_stream_get_level' was not declared. Should it be static? Please review and possibly fold the followup patch. --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation