reproduce (this is a W=1 build):
        git clone https://github.com/intel/lkp-tests.git ~/lkp-tests
        git remote add kvmarm https://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm.git
        git fetch kvmarm next
        git checkout kvmarm/next
        b4 shazam https://lore.kernel.org/r/20240412084309.1733783-34-steven.price@arm.com
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=arm64 olddefconfig
        ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash arch/arm64/kvm/