reproduce (this is a W=1 build):
        # https://github.com/intel-lab-lkp/linux/commit/920b1b000ee3a4bf7dd6fde28bd4211cf29cb06b
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Nikunj-A-Dadhania/x86-fred-Fix-early-boot-failures-on-SEV-ES-SNP-guests/20260205-131359
        git checkout 920b1b000ee3a4bf7dd6fde28bd4211cf29cb06b

        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=$HOME/0day COMPILER=clang-20 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=x86_64 olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-20 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash arch/x86/