linux-kernel - Re: [PATCH] xen: do not disable netfront in dom0

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Message-ID: <20120522183433.GB24107@phenom.dumpdata.com>
Date:	Tue, 22 May 2012 14:34:33 -0400
From:	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
To:	Marek Marczykowski <marmarek@...isiblethingslab.com>,
	davem@...emloft.net
Cc:	xen-devel@...ts.xen.org, virtualization@...ts.linux-foundation.org,
	Jeremy Fitzhardinge <jeremy@...p.org>, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] xen: do not disable netfront in dom0

On Sun, May 20, 2012 at 01:45:10PM +0200, 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@...isiblethingslab.com>

Acked-by: Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>


> ---
>  drivers/net/xen-netfront.c |    6 ------
>  1 files changed, 0 insertions(+), 6 deletions(-)
> 
> diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c
> index 698b905..e31ebff 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);
> @@ -1965,9 +1962,6 @@ module_init(netif_init);
>  
>  static void __exit netif_exit(void)
>  {
> -	if (xen_initial_domain())
> -		return;
> -
>  	xenbus_unregister_driver(&netfront_driver);
>  }
>  module_exit(netif_exit);
> -- 
> 1.7.4.4
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