netdev - Re: [patch 21/21] Xen-paravirt: Add the Xen virtual network device driver.

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Date:	Wed, 14 Feb 2007 13:40:01 -0700
From:	ebiederm@...ssion.com (Eric W. Biederman)
To:	Jeremy Fitzhardinge <jeremy@...p.org>
Cc:	Andi Kleen <ak@....de>, Andrew Morton <akpm@...l.org>,
	virtualization@...ts.osdl.org, xen-devel@...ts.xensource.com,
	Chris Wright <chrisw@...s-sol.org>,
	Ian Pratt <ian.pratt@...source.com>, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [patch 21/21] Xen-paravirt: Add the Xen virtual network device driver.

Jeremy Fitzhardinge <jeremy@...p.org> writes:

> +++ b/drivers/xen/Kconfig.net
> @@ -0,0 +1,14 @@
> +menu "Xen network device drivers"
> +        depends on NETDEVICES && XEN
> +
> +config XEN_NETDEV_FRONTEND
> +	tristate "Network-device frontend driver"
> +	depends on XEN
> +	default y
> +	help
> +	  The network-device frontend driver allows the kernel to access
> +	  network interfaces within another guest OS. Unless you are building a
> +	  dedicated device-driver domain, or your master control domain
> +	  (domain 0), then you almost certainly want to say Y here.

Am I reading this correctly I can directly use the network interface
of another guest OS (no protection)?

I think this description is misleading, and probably say something
about virtual hardware.

Eric
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