2016-07-15 16:42, Yuanhan Liu: > You see that no body cares it :) > > So I will make a patch to mark vhost-cuse as deprecated shortly. > Thomas, works to you?
Perfect. Thanks Yuanhan > On Mon, Jul 11, 2016 at 11:59:55AM +0800, Yuanhan Liu wrote: > > It's something echoed around in my mind for a long while, and here I'm > > gonna make it public: a proposal to remove 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. > > > > A talk with Huawei offline showed that he backs this proposal. I was > > also told by Ciara that she actually had the same idea: she has already > > cooked a patch to remove vhost-cuse support from OVS: > > > > http://openvswitch.org/pipermail/dev/2016-July/074696.html > > > > So I'm proposing to mark vhost-cuse as deprecated in this release and > > remove it completely at the next release (v16.11). > > > > Comments/thoughts, or objections? > > > > --yliu