reproduce (this is a W=1 build): git remote add tip https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git git fetch tip irq/core git checkout tip/irq/core b4 shazam https://lore.kernel.org/r/20240123121223.22318-4-yaoma@linux.alibaba.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 kernel/