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Re: [Qemu-devel] [PATCH 11/18] vhost-user: add shutdown support

From: Yuanhan Liu
Subject: Re: [Qemu-devel] [PATCH 11/18] vhost-user: add shutdown support
Date: Wed, 4 May 2016 20:44:37 -0700
User-agent: Mutt/1.5.23 (2014-03-12)


On Wed, May 04, 2016 at 10:13:49PM +0300, Michael S. Tsirkin wrote:
> How do you avoid it?
> > > Management is required to make this robust, auto-reconnect
> > > is handy for people bypassing management.
> > 
> > tbh, I don't like autoreconnect. My previous series didn't include
> > this and assumed the feature would be supported only when qemu is
> > configured to be the server. I added reconnect upon request by users.
> I don't have better solutions so OK I guess.

Yes, it's a request from me :)
Well, there may be few others also requested that.

The reason I had this asking is that, so far, we just have only one
vhost-user frontend, and that is QEMU. But we may have many backends,
I'm aware of 4 at the time writing, including the vubr from QEMU.
While we could do vhost-user client and reconnect implementation
on all backends, it's clear that implementing it in the only backend
(QEMU) introduces more benefits.

OTOH, I could implement DPDK vhost-user as client and try reconnect
there, if that could makes all stuff a bit easier.


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