reproduce (this is a W=1 build): git remote add rafael-pm https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git git fetch rafael-pm linux-next git checkout rafael-pm/linux-next b4 shazam https://lore.kernel.org/r/ZnD22b3Br1ng7alf@kf-XE # save the config file mkdir build_dir && cp config build_dir/.config make W=1 O=build_dir ARCH=x86_64 olddefconfig make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/acpi/