reproduce (this is a W=1 build):
        # https://github.com/intel-lab-lkp/linux/commit/65fe349d412fcfe5ba9e01bdedd07c48585e35bf
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Paolo-Bonzini/KVM-VMX-remove-regs-argument-of-__vmx_vcpu_run/20260428-090305
        git checkout 65fe349d412fcfe5ba9e01bdedd07c48585e35bf

        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/kvm/