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Re: [PATCH 36/52] migration/rdma: Convert qemu_rdma_exchange_get_respons
From: |
Zhijian Li (Fujitsu) |
Subject: |
Re: [PATCH 36/52] migration/rdma: Convert qemu_rdma_exchange_get_response() to Error |
Date: |
Tue, 26 Sep 2023 01:45:35 +0000 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.11.0 |
On 18/09/2023 22:41, Markus Armbruster wrote:
> Functions that use an Error **errp parameter to return errors should
> not also report them to the user, because reporting is the caller's
> job. When the caller does, the error is reported twice. When it
> doesn't (because it recovered from the error), there is no error to
> report, i.e. the report is bogus.
>
> qemu_rdma_exchange_send() and qemu_rdma_exchange_recv() violate this
> principle: they call error_report() via
> qemu_rdma_exchange_get_response(). I elected not to investigate how
> callers handle the error, i.e. precise impact is not known.
>
> Clean this up by converting qemu_rdma_exchange_get_response() to
> Error.
>
> Signed-off-by: Markus Armbruster<armbru@redhat.com>
Reviewed-by: Li Zhijian <lizhijian@fujitsu.com>
- [PATCH 42/52] migration/rdma: Convert qemu_rdma_post_recv_control() to Error, (continued)
[PATCH 36/52] migration/rdma: Convert qemu_rdma_exchange_get_response() to Error, Markus Armbruster, 2023/09/18
- Re: [PATCH 36/52] migration/rdma: Convert qemu_rdma_exchange_get_response() to Error,
Zhijian Li (Fujitsu) <=
[PATCH 39/52] migration/rdma: Convert qemu_rdma_write_one() to Error, Markus Armbruster, 2023/09/18
Re: [PATCH 39/52] migration/rdma: Convert qemu_rdma_write_one() to Error, Markus Armbruster, 2023/09/26
[PATCH 04/52] migration/rdma: Drop fragile wr_id formatting, Markus Armbruster, 2023/09/18