reproduce (this is a W=1 build):
        git checkout f11a5f89910a7ae970fbce4fdc02d86a8ba8570f
        b4 shazam https://lore.kernel.org/r/20250730121209.303202-19-s.neeraj@samsung.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/