reproduce (this is a W=1 build): # https://github.com/intel-lab-lkp/linux/commit/ae33ef4db803424de60c67a6fdab44e102e92ec7 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Jianyong-Wu/sched-topo-Add-some-llc-related-helpers/20260813-033153 git checkout ae33ef4db803424de60c67a6fdab44e102e92ec7 git clone https://github.com/intel/lkp-tests.git ~/lkp-tests # apt-get install llvm-dev # save the config file COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-14.2.0 ~/lkp-tests/kbuild/make.cross W=1 ARCH=arm64 olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-14.2.0 ~/lkp-tests/kbuild/make.cross W=1 ARCH=arm64 COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-14.2.0 ~/lkp-tests/kbuild/make.cross W=1 headers_install COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-14.2.0 ~/lkp-tests/kbuild/make.cross W=1 -C tools/testing/selftests