linux-kernel - Re: [PATCH net v3] net: macb: Relocate mog_init_rings() callback from macb_mac_link_up() to macb

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Message-Id: 
 <176709060877.3205848.3719021860077682100.git-patchwork-notify@kernel.org>
Date: Tue, 30 Dec 2025 10:30:08 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Xiaolei Wang <xiaolei.wang@...driver.com>
Cc: pabeni@...hat.com, nicolas.ferre@...rochip.com, claudiu.beznea@...on.dev,
 andrew+netdev@...n.ch, davem@...emloft.net, edumazet@...gle.com,
 kuba@...nel.org, rmk+kernel@...linux.org.uk, Kexin.Hao@...driver.com,
 Xiaolei.Wang@...driver.com, netdev@...r.kernel.org, stable@...r.kernel.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH net v3] net: macb: Relocate mog_init_rings() callback from
 macb_mac_link_up() to macb_open()

Hello:

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

On Mon, 22 Dec 2025 09:56:24 +0800 you wrote:
> In the non-RT kernel, local_bh_disable() merely disables preemption,
> whereas it maps to an actual spin lock in the RT kernel. Consequently,
> when attempting to refill RX buffers via netdev_alloc_skb() in
> macb_mac_link_up(), a deadlock scenario arises as follows:
> 
>    WARNING: possible circular locking dependency detected
>    6.18.0-08691-g2061f18ad76e #39 Not tainted
> 
> [...]

Here is the summary with links:
  - [net,v3] net: macb: Relocate mog_init_rings() callback from macb_mac_link_up() to macb_open()
    https://git.kernel.org/netdev/net/c/99537d5c476c

You are awesome, thank you!
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