On 1/4/24 05:59, Li Zhijian wrote:
Except for RDMA migration, other parts of the RDMA subsystem have been
removed since 9.1.

Due to the lack of unit tests and CI tests for RDMA migration, int the
past developing cycles, a few fatal errors were introduced and broke the
RDMA migration, and these issues[1][2] were not fixed until some time later.

Modern network cards (TCP/IP) can also provide high bandwidth
(similar to RDMA) to handle the large amount of data generated during
migration.

Issue a warning to inform the end users of the RDMA migration status.

[1] https://lore.kernel.org/r/20230920090412.726725-1-lizhij...@fujitsu.com
[2] 
https://lore.kernel.org/r/cahecvy7hxswn4ow_kog+q+tn6f_kmeichevz1qgm-fbxbpp...@mail.gmail.com

CC: Peter Xu <pet...@redhat.com>
CC: Philippe Mathieu-Daudé <phi...@linaro.org>
CC: Fabiano Rosas <faro...@suse.de>
CC: Thomas Huth <th...@redhat.com>
CC: Daniel P. Berrangé <berra...@redhat.com>
CC: Yu Zhang <yu.zh...@ionos.com>
Signed-off-by: Li Zhijian <lizhij...@fujitsu.com>
---
  docs/about/deprecated.rst | 15 +++++++++++++++
  migration/migration.c     |  1 +
  2 files changed, 16 insertions(+)

Reviewed-by: Philippe Mathieu-Daudé <phi...@linaro.org>


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