reproduce (this is a W=1 build):
        git checkout 332d2c1d713e232e163386c35a3ba0c1b90df83f
        b4 shazam https://lore.kernel.org/r/20240910163038.1298452-8-roypat@amazon.co.uk
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=i386 olddefconfig
        make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash arch/x86/kvm/ virt/