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From: "Philippe Mathieu-Daudé" <philmd@linaro.org>
To: Li Zhijian <lizhijian@fujitsu.com>, qemu-devel@nongnu.org
Cc: "Peter Xu" <peterx@redhat.com>, "Fabiano Rosas" <farosas@suse.de>,
	"Thomas Huth" <thuth@redhat.com>,
	"Daniel P . Berrangé" <berrange@redhat.com>,
	"Yu Zhang" <yu.zhang@ionos.com>
Subject: Re: [PATCH] migration, docs: mark RDMA migration as deprecated
Date: Wed, 3 Apr 2024 11:38:34 +0200	[thread overview]
Message-ID: <8164b02f-adb4-495d-af81-9264aa700771@linaro.org> (raw)
In-Reply-To: <20240401035947.3310834-1-lizhijian@fujitsu.com>

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-lizhijian@fujitsu.com
> [2] https://lore.kernel.org/r/CAHEcVy7HXSwn4Ow_Kog+Q+TN6f_kMeiCHevz1qGM-fbxBPp1hQ@mail.gmail.com
> 
> CC: Peter Xu <peterx@redhat.com>
> CC: Philippe Mathieu-Daudé <philmd@linaro.org>
> CC: Fabiano Rosas <farosas@suse.de>
> CC: Thomas Huth <thuth@redhat.com>
> CC: Daniel P. Berrangé <berrange@redhat.com>
> CC: Yu Zhang <yu.zhang@ionos.com>
> Signed-off-by: Li Zhijian <lizhijian@fujitsu.com>
> ---
>   docs/about/deprecated.rst | 15 +++++++++++++++
>   migration/migration.c     |  1 +
>   2 files changed, 16 insertions(+)

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



      parent reply	other threads:[~2024-04-03  9:38 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-04-01  3:59 [PATCH] migration, docs: mark RDMA migration as deprecated Li Zhijian via
2024-04-01 16:28 ` Peter Xu
2024-04-03  9:38 ` Philippe Mathieu-Daudé [this message]

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