VSOCK: mark virtio_transport.ko experimental

Be explicit that the virtio_transport.ko code implements a draft virtio
specification that is still subject to change.

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
---
If you'd rather wait until the device specification has been finalized, feel
free to revert the virtio-vsock code for now.  Apologies for not mentioning the
status in the Kconfig earlier.

 net/vmw_vsock/Kconfig | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

On Fri, Dec 04, 2015 at 11:49:18AM +0800, Stefan Hajnoczi wrote:
> Be explicit that the virtio_transport.ko code implements a draft virtio
> specification that is still subject to change.
> 
> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
> ---
> If you'd rather wait until the device specification has been finalized, feel
> free to revert the virtio-vsock code for now.  Apologies for not mentioning the
> status in the Kconfig earlier.
> 
>  net/vmw_vsock/Kconfig | 7 ++++++-
>  1 file changed, 6 insertions(+), 1 deletion(-)
> 
> diff --git a/net/vmw_vsock/Kconfig b/net/vmw_vsock/Kconfig
> index 74e0bc8..d8be850 100644
> --- a/net/vmw_vsock/Kconfig
> +++ b/net/vmw_vsock/Kconfig
> @@ -28,12 +28,17 @@ config VMWARE_VMCI_VSOCKETS
>  	  will be called vmw_vsock_vmci_transport. If unsure, say N.
>  
>  config VIRTIO_VSOCKETS
> -	tristate "virtio transport for Virtual Sockets"
> +	tristate "virtio transport for Virtual Sockets (Experimental)"
>  	depends on VSOCKETS && VIRTIO
>  	select VIRTIO_VSOCKETS_COMMON
> +	default n
>  	help
>  	  This module implements a virtio transport for Virtual Sockets.
>  
> +	  This feature is based on a draft of the virtio-vsock device
> +	  specification that is still subject to change.  It can be used
> +	  to begin developing applications that use Virtual Sockets.
> +
>  	  Enable this transport if your Virtual Machine runs on Qemu/KVM.
>  
>  	  To compile this driver as a module, choose M here: the module

I'm pretty sure this alone is not enough.  I think depending on an entry
under drivers/staging is necessary. The issue is userspace depending on
the interface, not kernel code itself being unstable.  We can create
drivers/staging/virtio for this purpose, even if it's just to hold the
Kconfig entry.  And I'd rather add STAGING within the KConfig names too,
so people enabling it don't get a surpise when their userspace stops
working.

But yes, revert would be cleaner and easier than all this temporary
work.

If you agree, could you send a patch to do one of these two things pls?

> -- 
> 2.5.0
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