From: Leon Romanovsky <leon@kernel.org>
To: jgg@ziepe.ca, Junxian Huang <huangjunxian6@hisilicon.com>
Cc: linux-rdma@vger.kernel.org, linuxarm@huawei.com,
tangchengchang@huawei.com
Subject: Re: [PATCH v2 for-next] RDMA/hns: Fix mbox timing out by adding retry mechanism
Date: Sun, 09 Feb 2025 04:57:56 -0500 [thread overview]
Message-ID: <173909507691.39402.10463277555179910962.b4-ty@kernel.org> (raw)
In-Reply-To: <20250208105930.522796-1-huangjunxian6@hisilicon.com>
On Sat, 08 Feb 2025 18:59:30 +0800, Junxian Huang wrote:
> If a QP is modified to error state and a flush CQE process is triggered,
> the subsequent QP destruction mbox can still be successfully posted but
> will be blocked in HW until the flush CQE process finishes. This causes
> further mbox posting timeouts in driver. The blocking time is related
> to QP depth. Considering an extreme case where SQ depth and RQ depth
> are both 32K, the blocking time can reach about 135ms.
>
> [...]
Applied, thanks!
[1/1] RDMA/hns: Fix mbox timing out by adding retry mechanism
https://git.kernel.org/rdma/rdma/c/9747c0c7791d4a
Best regards,
--
Leon Romanovsky <leon@kernel.org>
prev parent reply other threads:[~2025-02-09 9:58 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-02-08 10:59 [PATCH v2 for-next] RDMA/hns: Fix mbox timing out by adding retry mechanism Junxian Huang
2025-02-09 9:57 ` Leon Romanovsky [this message]
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