reproduce (this is a W=1 build): git clone https://github.com/intel/lkp-tests.git ~/lkp-tests git remote add westeri-thunderbolt https://git.kernel.org/pub/scm/linux/kernel/git/westeri/thunderbolt.git git fetch westeri-thunderbolt next git checkout westeri-thunderbolt/next b4 shazam https://lore.kernel.org/r/20250618145911.3266251-1-superm1@kernel.org # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.5.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=parisc olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.5.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=parisc SHELL=/bin/bash drivers/thunderbolt/ mm/