linux-kernel - Re: [PATCH v2 net] net: fec: avoid lock evasion when reading pps

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Date: Thu, 23 May 2024 09:40:37 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Wei Fang <wei.fang@....com>
Cc: davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
 pabeni@...hat.com, shenwei.wang@....com, xiaoning.wang@....com,
 richardcochran@...il.com, andrew@...n.ch, netdev@...r.kernel.org,
 linux-kernel@...r.kernel.org, imx@...ts.linux.dev
Subject: Re: [PATCH v2 net] net: fec: avoid lock evasion when reading pps_enable

Hello:

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

On Tue, 21 May 2024 10:38:00 +0800 you wrote:
> The assignment of pps_enable is protected by tmreg_lock, but the read
> operation of pps_enable is not. So the Coverity tool reports a lock
> evasion warning which may cause data race to occur when running in a
> multithread environment. Although this issue is almost impossible to
> occur, we'd better fix it, at least it seems more logically reasonable,
> and it also prevents Coverity from continuing to issue warnings.
> 
> [...]

Here is the summary with links:
  - [v2,net] net: fec: avoid lock evasion when reading pps_enable
    https://git.kernel.org/netdev/net/c/3b1c92f8e537

You are awesome, thank you!
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