reproduce (this is a W=1 build): git remote add pci https://git.kernel.org/pub/scm/linux/kernel/git/pci/pci.git git fetch pci next git checkout pci/next b4 shazam https://lore.kernel.org/r/20241101070610.1267391-9-hongxing.zhu@nxp.com # save the config file mkdir build_dir && cp config build_dir/.config make W=1 O=build_dir ARCH=i386 olddefconfig make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash