reproduce (this is a W=1 build):
        # https://github.com/intel-lab-lkp/linux/commit/c551ec0edb0b057c415d5530905c288523a9bde8
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Ard-Biesheuvel/x86-boot-Drop-pointless-re-implementation-of-panic/20260906-150819
        git checkout c551ec0edb0b057c415d5530905c288523a9bde8

        # install loongarch cross compiling tool for clang build
        # apt-get install binutils-loongarch-linux-gnu
        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=$HOME/0day COMPILER=clang-22 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=loongarch olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-22 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=loongarch SHELL=/bin/bash drivers/firmware/efi/libstub/ drivers/i2c/busses/ drivers/scsi/