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

[Blue Swirl]

On 6/23/09, Amit Shah <address@hidden> 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?.