reproduce (this is a W=1 build):
        git remote add kvm https://git.kernel.org/pub/scm/virt/kvm/kvm.git
        git fetch kvm queue
        git checkout kvm/queue
        b4 shazam https://lore.kernel.org/r/f83c7ad9954fce1f84eaec94bb7b58f5f6974fc4.1729864823.git.namcao@linutronix.de
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=x86_64 olddefconfig
        make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash kernel/