reproduce (this is a W=1 build): # https://github.com/intel-lab-lkp/linux/commit/fa13da135c46ed95604a44c0723b4abeddd5eb7f git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Andrew-Murray/printk-remove-BOOT_PRINTK_DELAY/20260514-132813 git checkout fa13da135c46ed95604a44c0723b4abeddd5eb7f # 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/