netdev - Re: [PATCH net] net: switchdev: Convert blocking notification chain to a raw one

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Message-Id: 
 <174169143350.3900781.4902273065149639967.git-patchwork-notify@kernel.org>
Date: Tue, 11 Mar 2025 11:10:33 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Amit Cohen <amcohen@...dia.com>
Cc: netdev@...r.kernel.org, idosch@...dia.com, petrm@...dia.com,
 jiri@...nulli.us, ivecera@...hat.com, davem@...emloft.net,
 edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com, horms@...nel.org,
 olteanv@...il.com, tobias@...dekranz.com
Subject: Re: [PATCH net] net: switchdev: Convert blocking notification chain to a
 raw one

Hello:

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

On Wed, 5 Mar 2025 14:15:09 +0200 you wrote:
> A blocking notification chain uses a read-write semaphore to protect the
> integrity of the chain. The semaphore is acquired for writing when
> adding / removing notifiers to / from the chain and acquired for reading
> when traversing the chain and informing notifiers about an event.
> 
> In case of the blocking switchdev notification chain, recursive
> notifications are possible which leads to the semaphore being acquired
> twice for reading and to lockdep warnings being generated [1].
> 
> [...]

Here is the summary with links:
  - [net] net: switchdev: Convert blocking notification chain to a raw one
    https://git.kernel.org/netdev/net/c/62531a1effa8

You are awesome, thank you!
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