From: "Michael S. Tsirkin" <mst@redhat.com>
To: "Marc-André Lureau" <marcandre.lureau@gmail.com>
Cc: Tetsuya Mukawa <mukawa@igel.co.jp>, QEMU <qemu-devel@nongnu.org>
Subject: Re: [Qemu-devel] [PATCH RFC 00/14] vhost-user: shutdown and reconnection
Date: Wed, 2 Mar 2016 08:44:46 +0200 [thread overview]
Message-ID: <20160302084403-mutt-send-email-mst@redhat.com> (raw)
In-Reply-To: <CAJ+F1C+CnV2tNAR8gd+SjzdOh8uYROpTvgZHS52YndL_y-SPmA@mail.gmail.com>
On Tue, Feb 23, 2016 at 07:00:27PM +0100, Marc-André Lureau wrote:
> Hi
>
> On Thu, Nov 26, 2015 at 11:33 AM, Michael S. Tsirkin <mst@redhat.com> wrote:
> > I'm still not sure users actually need this. I am inclined to think we
> > should teach guests to respond to NEED_RESET status. Then to handle
> > disconnect, we would
> > - deactivate the disconnected backend
> > - stop VM, and wait for a reconnect
> > - set NEED_RESET status, and re-activate the backend
> > after guest reset
>
> Sorry your answer came late, so my reply too ;). It may depend on the
> use case, what I suggest wouldn't need to stop the VM, but merely set
> the link-down status. Furthermore, how do you disconnect/deactivate
> the backend cleanly? Having an explicit message for that and document
> it may make things easier.
>
> It has been a while I haven't looked at vhost-user, so I am short of
> details, but I rebased this series, if there is still interest. I'll
> send a RFCv2, there are a couple of worthy fixes to pick from that.
>
> thanks
OK, sure. Let's split this up: fixes, then new features.
> --
> Marc-André Lureau
next prev parent reply other threads:[~2016-03-02 6:44 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-09-08 23:09 [Qemu-devel] [PATCH RFC 00/14] vhost-user: shutdown and reconnection marcandre.lureau
2015-09-08 23:09 ` [Qemu-devel] [PATCH RFC 01/14] vhost-user: Add ability to know vhost-user backend disconnection marcandre.lureau
2015-09-08 23:09 ` [Qemu-devel] [PATCH RFC 02/14] vhost-user: remove useless is_server field marcandre.lureau
2015-09-08 23:09 ` [Qemu-devel] [PATCH RFC 03/14] qemu-char: avoid potential double-free marcandre.lureau
2015-09-08 23:09 ` [Qemu-devel] [PATCH RFC 04/14] qemu-char: remove all msgfds on disconnect marcandre.lureau
2015-09-08 23:09 ` [Qemu-devel] [PATCH RFC 05/14] qemu-char: make tcp_chr_disconnect() reentrant-safe marcandre.lureau
2015-09-08 23:09 ` [Qemu-devel] [PATCH RFC 06/14] vhost-net: keep VIRTIO_NET_F_STATUS for vhost-user marcandre.lureau
2015-09-08 23:09 ` [Qemu-devel] [PATCH RFC 07/14] virtio-net: enable tx notification if up and vhost started marcandre.lureau
2015-09-08 23:10 ` [Qemu-devel] [PATCH RFC 08/14] vhost: add vhost_dev stop callback marcandre.lureau
2015-09-08 23:10 ` [Qemu-devel] [PATCH RFC 09/14] vhost-user: add vhost_user to hold the chr marcandre.lureau
2015-09-08 23:10 ` [Qemu-devel] [PATCH RFC 10/14] qemu-char: add qemu_chr_free() marcandre.lureau
2015-09-08 23:10 ` [Qemu-devel] [PATCH RFC 11/14] vhost-user: add slave-fd support marcandre.lureau
2015-09-08 23:10 ` [Qemu-devel] [PATCH RFC 12/14] vhost-user: add shutdown support marcandre.lureau
2015-09-08 23:10 ` [Qemu-devel] [PATCH RFC 13/14] qemu-char: Add qemu_chr_disconnect to close a fd accepted by listen fd marcandre.lureau
2015-09-08 23:10 ` [Qemu-devel] [PATCH RFC 14/14] test: start vhost-user reconnect test marcandre.lureau
2015-11-26 10:33 ` [Qemu-devel] [PATCH RFC 00/14] vhost-user: shutdown and reconnection Michael S. Tsirkin
2016-02-23 18:00 ` Marc-André Lureau
2016-03-02 6:44 ` Michael S. Tsirkin [this message]
2016-03-24 7:10 ` Yuanhan Liu
2016-03-25 18:00 ` Marc-André Lureau
2016-03-28 1:53 ` Tetsuya Mukawa
2016-03-28 2:06 ` Tetsuya Mukawa
2016-03-29 8:10 ` Yuanhan Liu
2016-03-29 10:52 ` Marc-André Lureau
2016-03-29 14:28 ` Yuanhan Liu
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