reproduce (this is a W=1 build): git checkout a293ec25d59dd96309058c70df5a4dd0f889a1e4 b4 shazam https://lore.kernel.org/r/20260506152346.166056-9-18255117159@163.com # 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/pci/ kernel/printk/