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doc: announce vhost-cuse removal

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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>
Acked-by: Ciara Loftus <ciara.loftus@intel.com>
Acked-by: Thomas Monjalon <thomas.monjalon@6wind.com>
Acked-by: Rich Lane <rich.lane@bigswitch.com>
Acked-by: Jan Viktorin <viktorin@rehivetech.com>
Acked-by: Christian Ehrhardt <christian.ehrhardt@canonical.com>
This commit is contained in:
Yuanhan Liu 2016-07-15 20:28:33 +08:00 committed by Thomas Monjalon
parent 8acc3ce088
commit 8a3433af84
1 changed files with 4 additions and 0 deletions
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doc/guides/rel_notes/deprecation.rst
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@ -57,6 +57,10 @@ Deprecation Notices
* The ``rte_ivshmem`` feature (including library and EAL code) will be removed
in 16.11 because it has some design issues which are not planned to be fixed.
* 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.
* Driver names are quite inconsistent among each others and they will be
renamed to something more consistent (net and crypto prefixes) in 16.11.
Some of these driver names are used publicly, to create virtual devices,