[Qemu-devel] Re: [PATCH-RFC 09/13] tap: add vhost/vhostfd options

[Anthony Liguori]

On 01/11/2010 11:22 AM, Michael S. Tsirkin wrote:
> Looks like order got mixed up: vhost_net header
> is added by a follow-up patch. Will be fixed
> in the next revision.
>
> Signed-off-by: Michael S. Tsirkin<address@hidden>
> ---
>   net.c           |    8 ++++++++
>   net/tap.c       |   29 +++++++++++++++++++++++++++++
>   qemu-options.hx |    4 +++-
>   3 files changed, 40 insertions(+), 1 deletions(-)
>
> diff --git a/net.c b/net.c
> index 6ef93e6..b942d03 100644
> --- a/net.c
> +++ b/net.c
> @@ -976,6 +976,14 @@ static struct {
>                   .name = "vnet_hdr",
>                   .type = QEMU_OPT_BOOL,
>                   .help = "enable the IFF_VNET_HDR flag on the tap interface"
> +            }, {
> +                .name = "vhost",
> +                .type = QEMU_OPT_BOOL,
> +                .help = "enable vhost-net network accelerator",
> +            }, {
> +                .name = "vhostfd",
> +                .type = QEMU_OPT_STRING,
> +                .help = "file descriptor of an already opened vhost net 
> device",
>               },
>    

Semantically, I think making vhost it's own backend makes more sense 
from a user perspective.

I don't think it's a significant code change.

Regards,

Anthony Liguori