netdev - Re: [PATCH v2] net/mlx5: Fix variable not being completed when function returns

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Message-Id: 
 <173644023374.1439025.12349410132405031646.git-patchwork-notify@kernel.org>
Date: Thu, 09 Jan 2025 16:30:33 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Chenguang Zhao <zhaochenguang@...inos.cn>
Cc: saeedm@...dia.com, leon@...nel.org, tariqt@...dia.com,
 andrew+netdev@...n.ch, davem@...emloft.net, edumazet@...gle.com,
 kuba@...nel.org, pabeni@...hat.com, moshe@...dia.com, netdev@...r.kernel.org,
 linux-rdma@...r.kernel.org
Subject: Re: [PATCH v2] net/mlx5: Fix variable not being completed when function
 returns

Hello:

This patch was applied to netdev/net.git (main)
by Jakub Kicinski <kuba@...nel.org>:

On Wed,  8 Jan 2025 11:00:09 +0800 you wrote:
> The cmd_work_handler function returns from the child function
>     cmd_alloc_index because the allocate command entry fails,
>     Before returning, there is no complete ent->slotted.
> 
>     The patch fixes it.
> 
>      mlx5_core 0000:01:00.0: cmd_work_handler:877:(pid 3880418): failed to allocate command entry
>      INFO: task kworker/13:2:4055883 blocked for more than 120 seconds.
>            Not tainted 4.19.90-25.44.v2101.ky10.aarch64 #1
>      "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
>      kworker/13:2    D    0 4055883      2 0x00000228
>      Workqueue: events mlx5e_tx_dim_work [mlx5_core]
>      Call trace:
>       __switch_to+0xe8/0x150
>       __schedule+0x2a8/0x9b8
>       schedule+0x2c/0x88
>       schedule_timeout+0x204/0x478
>       wait_for_common+0x154/0x250
>       wait_for_completion+0x28/0x38
>       cmd_exec+0x7a0/0xa00 [mlx5_core]
>       mlx5_cmd_exec+0x54/0x80 [mlx5_core]
>       mlx5_core_modify_cq+0x6c/0x80 [mlx5_core]
>       mlx5_core_modify_cq_moderation+0xa0/0xb8 [mlx5_core]
>       mlx5e_tx_dim_work+0x54/0x68 [mlx5_core]
>       process_one_work+0x1b0/0x448
>       worker_thread+0x54/0x468
>       kthread+0x134/0x138
>       ret_from_fork+0x10/0x18
> 
> [...]

Here is the summary with links:
  - [v2] net/mlx5: Fix variable not being completed when function returns
    https://git.kernel.org/netdev/net/c/0e2909c6bec9

You are awesome, thank you!
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