reproduce (this is a W=1 build): git checkout fedb9ddeb1445f85d8f691b20f3faaa6dab8dd3f b4 shazam https://lore.kernel.org/r/20240823232327.2408869-4-yunhong.jiang@linux.intel.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 arch/x86/kernel/