reproduce (this is a W=1 build):
        git checkout 6cd498f39cf5e1475b567eb67a6fcf1ca3d67d46
        b4 shazam https://lore.kernel.org/r/20250205151950.25268-22-alucerop@amd.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 drivers/cxl/core/