linux-kernel - Re: [PATCH net-next v1 1/1] net: dsa: ar9331: fix potential dead lock on mdio access

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Message-Id: <165552241490.3144.11636115583195482482.git-patchwork-notify@kernel.org>
Date:   Sat, 18 Jun 2022 03:20:14 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Oleksij Rempel <o.rempel@...gutronix.de>
Cc:     andrew@...n.ch, vivien.didelot@...il.com, f.fainelli@...il.com,
        olteanv@...il.com, davem@...emloft.net, edumazet@...gle.com,
        kuba@...nel.org, pabeni@...hat.com, kernel@...gutronix.de,
        linux-kernel@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [PATCH net-next v1 1/1] net: dsa: ar9331: fix potential dead lock on
 mdio access

Hello:

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

On Thu, 16 Jun 2022 13:25:50 +0200 you wrote:
> Rework MDIO locking to avoid potential  circular locking:
> 
>  WARNING: possible circular locking dependency detected
>  5.19.0-rc1-ar9331-00017-g3ab364c7c48c #5 Not tainted
>  ------------------------------------------------------
>  kworker/u2:4/68 is trying to acquire lock:
>  81f3c83c (ar9331:1005:(&ar9331_mdio_regmap_config)->lock){+.+.}-{4:4}, at: regmap_write+0x50/0x8c
> 
> [...]

Here is the summary with links:
  - [net-next,v1,1/1] net: dsa: ar9331: fix potential dead lock on mdio access
    https://git.kernel.org/netdev/net-next/c/7a49f2193063

You are awesome, thank you!
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