Re: [Qemu-devel] [PATCH] virtio_serial: A char device for simple guest <-> host communication

Blue Swirl
2009-06-23T15:15:17Z

On 6/23/09, Amit Shah <amit.shah@redhat.com> wrote:
> We expose multiple char devices ("ports") for simple communication
> between the host userspace and guest.
> +struct virtio_serial_config {
> + __u32 nr_ports;
> + __u16 status;
> +} __attribute__((packed));

There is still structure packing. I'd use __u16 for both fields, do
you really need 4 gigs of ports?.