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Re: [Qemu-devel] [PATCH v6 0/2] vhost user: Add live migration
From: |
Michael S. Tsirkin |
Subject: |
Re: [Qemu-devel] [PATCH v6 0/2] vhost user: Add live migration |
Date: |
Wed, 12 Aug 2015 10:25:33 +0300 |
On Thu, Aug 06, 2015 at 10:45:07AM +0200, Thibaut Collet wrote:
> v5->v6
> 1. First patch: remove a warning log
> 2. Second patch: rename some functions to be more explicit on the purpose of
> these functions.
>
> The first patch provides limited live migration:
> - guest without GUEST_ANNOUNCE capabilities does not announce migration ending
> and peers talking to the migrated guest can suffer important network outage.
> - Some packets sent by remote peers to the guest can be lost during migration.
>
> The second patch fixes limitation for guest without GUEST_ANNOUNCE
> capabilities
> and patches from Marc Andre Lureau fix potential packet's lost during
> migration.
>
> Thibaut Collet (2):
> vhost user: add support of live migration
> vhost user: add rarp sending after live migration for legacy guest
I think these patches need to be rebased on top of Marc Andre's ones,
and use protocol flags to negotiate capabilities.
Right?
> docs/specs/vhost-user.txt | 15 +++++++++++++++
> hw/net/vhost_net.c | 18 ++++++++++++++++++
> hw/virtio/vhost-backend.c | 3 ++-
> hw/virtio/vhost-user.c | 32 ++++++++++++++++++++++++++++++--
> include/hw/virtio/vhost-backend.h | 2 ++
> include/net/vhost_net.h | 1 +
> net/vhost-user.c | 31 +++++++++++++++++++++++++++++--
> 7 files changed, 97 insertions(+), 5 deletions(-)
>
> --
> 1.7.10.4