reproduce (this is a W=1 build):
        git remote add drm-rust https://gitlab.freedesktop.org/drm/rust/kernel.git
        git fetch drm-rust drm-rust-next
        git checkout drm-rust/drm-rust-next
        b4 shazam https://lore.kernel.org/r/20260804170045.902069-2-zhiw@nvidia.com

        git clone https://github.com/intel/lkp-tests.git ~/lkp-tests

        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-22 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=x86_64 olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-22 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash