1CONFIG_INIT_STACKS=y 2CONFIG_USERSPACE=y 3CONFIG_DYNAMIC_OBJECTS=y 4 5CONFIG_PCIE=y 6# required by doorbell 7CONFIG_PCIE_MSI=y 8CONFIG_PCIE_MSI_X=y 9CONFIG_PCIE_MSI_MULTI_VECTOR=y 10CONFIG_POLL=y 11 12CONFIG_VIRTUALIZATION=y 13CONFIG_IVSHMEM=y 14CONFIG_IVSHMEM_DOORBELL=y 15