reproduce (this is a W=1 build): # https://github.com/jimc/linux/commit/67cc13f51c541db3cb7b164a0213776c3ea871db git remote add jimc https://github.com/jimc/linux.git git fetch --no-tags jimc folio-pool-v2-lockdep git checkout 67cc13f51c541db3cb7b164a0213776c3ea871db git clone https://github.com/intel/lkp-tests.git ~/lkp-tests # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-22 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=i386 olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-22 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash drivers/gpu/drm/