reproduce (this is a W=1 build):
        git clone https://github.com/intel/lkp-tests.git ~/lkp-tests
        # https://github.com/steev/linux/commit/e9c2688b128a46792eb108d001cd0e56b247cf27
        git remote add steev https://github.com/steev/linux
        git fetch --no-tags steev lenovo-x13s-6.16.0-rc5
        git checkout e9c2688b128a46792eb108d001cd0e56b247cf27
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-15.1.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=mips olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-15.1.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=mips SHELL=/bin/bash kernel/