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* [dpdk-dev] [PATCH] doc: deprecate vhost-cuse
@ 2016-07-15 12:28 Yuanhan Liu
  2016-07-21 11:07 ` Loftus, Ciara
  2016-07-27 18:59 ` [dpdk-dev] " Jan Viktorin
  0 siblings, 2 replies; 7+ messages in thread
From: Yuanhan Liu @ 2016-07-15 12:28 UTC (permalink / raw)
  To: dev; +Cc: Thomas Monjalon, Yuanhan Liu

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

^ permalink raw reply	[flat|nested] 7+ messages in thread

end of thread, other threads:[~2016-07-28 18:12 UTC | newest]

Thread overview: 7+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2016-07-15 12:28 [dpdk-dev] [PATCH] doc: deprecate vhost-cuse Yuanhan Liu
2016-07-21 11:07 ` Loftus, Ciara
2016-07-27  8:31   ` Thomas Monjalon
2016-07-27 15:57     ` Rich Lane
2016-07-27 18:59 ` [dpdk-dev] " Jan Viktorin
2016-07-28  9:10   ` Christian Ehrhardt
2016-07-28 18:12     ` Thomas Monjalon

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