From: patchwork-bot+netdevbpf@kernel.org
To: Wen Gu <guwen@linux.alibaba.com>
Cc: kgraul@linux.ibm.com, wenjia@linux.ibm.com, davem@davemloft.net,
edumazet@google.com, kuba@kernel.org, pabeni@redhat.com,
linux-s390@vger.kernel.org, netdev@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH net] net/smc: Stop the CLC flow if no link to map buffers on
Date: Thu, 22 Sep 2022 11:00:15 +0000 [thread overview]
Message-ID: <166384441514.19700.3392239951153800895.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <1663656189-32090-1-git-send-email-guwen@linux.alibaba.com>
Hello:
This patch was applied to netdev/net.git (master)
by Paolo Abeni <pabeni@redhat.com>:
On Tue, 20 Sep 2022 14:43:09 +0800 you wrote:
> There might be a potential race between SMC-R buffer map and
> link group termination.
>
> smc_smcr_terminate_all() | smc_connect_rdma()
> --------------------------------------------------------------
> | smc_conn_create()
> for links in smcibdev |
> schedule links down |
> | smc_buf_create()
> | \- smcr_buf_map_usable_links()
> | \- no usable links found,
> | (rmb->mr = NULL)
> |
> | smc_clc_send_confirm()
> | \- access conn->rmb_desc->mr[]->rkey
> | (panic)
>
> [...]
Here is the summary with links:
- [net] net/smc: Stop the CLC flow if no link to map buffers on
https://git.kernel.org/netdev/net/c/e738455b2c6d
You are awesome, thank you!
--
Deet-doot-dot, I am a bot.
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prev parent reply other threads:[~2022-09-22 11:00 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-09-20 6:43 [PATCH net] net/smc: Stop the CLC flow if no link to map buffers on Wen Gu
2022-09-22 8:29 ` Wen Gu
2022-09-22 13:07 ` Wenjia Zhang
2022-09-22 11:00 ` patchwork-bot+netdevbpf [this message]
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