reproduce (this is a W=1 build): # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b49f72e7f96d4ed147447428f2ae5b4cea598ca7 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout b49f72e7f96d4ed147447428f2ae5b4cea598ca7 # 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 arch/x86/entry/ drivers/android/ drivers/firmware/efi/libstub/ drivers/gpu/drm/ drivers/pci/controller/dwc/ drivers/platform/x86/ kernel/time/