linux-kernel - Re: [PATCH 1/1] VSOCK: Introduce VM Sockets

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Date:	Tue, 12 Feb 2013 11:58:11 +0100
From:	Gerd Hoffmann <kraxel@...hat.com>
To:	Andy King <acking@...are.com>
CC:	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	virtualization@...ts.linux-foundation.org,
	gregkh@...uxfoundation.org, davem@...emloft.net,
	pv-drivers@...are.com
Subject: Re: [PATCH 1/1] VSOCK: Introduce VM Sockets

On 02/07/13 01:23, Andy King wrote:

  Hi,

> +/* Option name for socket's service label.  Use as the option name in
> + * setsockopt(3) or getsockopt(3) to set or get the service label for a socket.
> + * The service label is a C-style NUL-terminated string.  Only available for
> + * hypervisor endpoints.
> + */
> +
> +#define SO_VM_SOCKETS_SERVICE_LABEL 4
> +

What is this and how does it work?

cheers,
  Gerd
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