reproduce (this is a W=1 build):
        git checkout 2d5404caa8c7bb5c4e0435f94b28834ae5456623
        b4 shazam https://lore.kernel.org/r/20241113215429.3177981-9-terry.bowman@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/