reproduce (this is a W=1 build):
        # https://git.kernel.org/pub/scm/linux/kernel/git/daveh/devel.git/commit/?id=967449663fb3eb7dcca67c4652293712530809c8
        git remote add daveh-devel https://git.kernel.org/pub/scm/linux/kernel/git/daveh/devel.git
        git fetch --no-tags daveh-devel kss-2026-10-19
        git checkout 967449663fb3eb7dcca67c4652293712530809c8

        # 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 prepare