Re: [dpdk-dev] [PATCH] doc: deprecate vhost-cuse

["Loftus, Ciara" <ciara.loftus@intel.com>]

> Subject: [dpdk-dev] [PATCH] doc: deprecate vhost-cuse
> 
> Vhost-cuse was invented before vhost-user exist. The both are actually
> doing the same thing: a vhost-net implementation in user space. But they
> are not exactly the same thing.
> 
> Firstly, vhost-cuse is harder for use; no one seems to care it, either.
> Furthermore, since v2.1, a large majority of development effort has gone
> to vhost-user. For example, we extended the vhost-user spec to add the
> multiple queue support. We also added the vhost-user live migration at
> v16.04 and the latest one, vhost-user reconnect that allows vhost app
> restart without restarting the guest. Both of them are very important
> features for product usage and none of them works for vhost-cuse.
> 
> You now see that the difference between vhost-user and vhost-cuse is
> big (and will be bigger and bigger as time moves forward), that you
> should never use vhost-cuse, that we should drop it completely.
> 
> The remove would also result to a much cleaner code base, allowing us
> to do all kinds of extending easier.
> 
> So here to mark vhost-cuse as deprecated in this release and will be
> removed in the next release (v16.11).
> 
> Signed-off-by: Yuanhan Liu <yuanhan.liu@linux.intel.com>
> ---
>  doc/guides/rel_notes/deprecation.rst | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/doc/guides/rel_notes/deprecation.rst
> b/doc/guides/rel_notes/deprecation.rst
> index f502f86..ee99558 100644
> --- a/doc/guides/rel_notes/deprecation.rst
> +++ b/doc/guides/rel_notes/deprecation.rst
> @@ -41,3 +41,7 @@ Deprecation Notices
>  * The mempool functions for single/multi producer/consumer are
> deprecated and
>    will be removed in 16.11.
>    It is replaced by rte_mempool_generic_get/put functions.
> +
> +* The vhost-cuse will be removed in 16.11. Since v2.1, a large majority of
> +  development effort has gone to vhost-user, such as multiple-queue, live
> +  migration, reconnect etc. Therefore, vhost-user should be used instead.
> --
> 1.9.0

Acked-by: Ciara Loftus <ciara.loftus@intel.com>