Re: [Xen-devel] [PATCH] xen: do not disable netfront in dom0

[Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>]

On Sun, 20 May 2012, Marek Marczykowski wrote:
> Netfront driver can be also useful in dom0, eg when all NICs are assigned to
> some domU (aka driver domain). Then using netback in domU and netfront in dom0
> is the only way to get network access in dom0.
> 
> Signed-off-by: Marek Marczykowski <marmarek@xxxxxxxxxxxxxxxxxxxxxx>
> ---
>  drivers/net/xen-netfront.c |    3 ---
>  1 files changed, 0 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c
> index 698b905..e5a161a 100644
> --- a/drivers/net/xen-netfront.c
> +++ b/drivers/net/xen-netfront.c
> @@ -1953,9 +1953,6 @@ static int __init netif_init(void)
>       if (!xen_domain())
>               return -ENODEV;
>  
> -     if (xen_initial_domain())
> -             return 0;
> -
>       printk(KERN_INFO "Initialising Xen virtual ethernet driver.\n");
>  
>       return xenbus_register_frontend(&netfront_driver);

you need something similar in netif_exit too

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