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Subject: Re: [PATCH] net/ncsi: Avoid channel_monitor hrtimer deadlock
From:   patchwork-bot+netdevbpf@kernel.org
Message-Id: <161713560887.2790.12767006562896839365.git-patchwork-notify@kernel.org>
Date:   Tue, 30 Mar 2021 20:20:08 +0000
References: <20210329152039.15189-1-eajames@linux.ibm.com>
In-Reply-To: <20210329152039.15189-1-eajames@linux.ibm.com>
To:     Eddie James <eajames@linux.ibm.com>
Cc:     sam@mendozajonas.com, davem@davemloft.net, kuba@kernel.org,
        netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
        miltonm@us.ibm.com
Precedence: bulk

Hello:

This patch was applied to netdev/net.git (refs/heads/master):

On Mon, 29 Mar 2021 10:20:39 -0500 you wrote:
> From: Milton Miller <miltonm@us.ibm.com>
> 
> Calling ncsi_stop_channel_monitor from channel_monitor is a guaranteed
> deadlock on SMP because stop calls del_timer_sync on the timer that
> inoked channel_monitor as its timer function.
> 
> Recognise the inherent race of marking the monitor disabled before
> deleting the timer by just returning if enable was cleared.  After
> a timeout (the default case -- reset to START when response received)
> just mark the monitor.enabled false.
> 
> [...]

Here is the summary with links:
  - net/ncsi: Avoid channel_monitor hrtimer deadlock
    https://git.kernel.org/netdev/net/c/03cb4d05b4ea

You are awesome, thank you!
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