linux-kernel - Re: [PATCH net,v2] net: sched: tbf: don't call qdisc

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Date:   Tue, 30 Aug 2022 10:00:15 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Zhengchao Shao <shaozhengchao@...wei.com>
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
        pabeni@...hat.com, jhs@...atatu.com, xiyou.wangcong@...il.com,
        jiri@...nulli.us, vladbu@...lanox.com, weiyongjun1@...wei.com,
        yuehaibing@...wei.com
Subject: Re: [PATCH net,v2] net: sched: tbf: don't call qdisc_put() while holding
 tree lock

Hello:

This patch was applied to netdev/net.git (master)
by Paolo Abeni <pabeni@...hat.com>:

On Fri, 26 Aug 2022 09:39:30 +0800 you wrote:
> The issue is the same to commit c2999f7fb05b ("net: sched: multiq: don't
> call qdisc_put() while holding tree lock"). Qdiscs call qdisc_put() while
> holding sch tree spinlock, which results sleeping-while-atomic BUG.
> 
> Fixes: c266f64dbfa2 ("net: sched: protect block state with mutex")
> Signed-off-by: Zhengchao Shao <shaozhengchao@...wei.com>
> 
> [...]

Here is the summary with links:
  - [net,v2] net: sched: tbf: don't call qdisc_put() while holding tree lock
    https://git.kernel.org/netdev/net/c/b05972f01e7d

You are awesome, thank you!
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