netdev - Re: [PATCH net] be2net: fix sleeping while atomic bugs in be_ndo_bridge

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Message-Id: 
 <174108483104.90135.4605054466207568405.git-patchwork-notify@kernel.org>
Date: Tue, 04 Mar 2025 10:40:31 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Nikolay Aleksandrov <razor@...ckwall.org>
Cc: netdev@...r.kernel.org, ajit.khaparde@...adcom.com,
 sriharsha.basavapatna@...adcom.com, somnath.kotur@...adcom.com,
 andrew+netdev@...n.ch, davem@...emloft.net, edumazet@...gle.com,
 kuba@...nel.org, pabeni@...hat.com, ian.kumlien@...il.com
Subject: Re: [PATCH net] be2net: fix sleeping while atomic bugs in
 be_ndo_bridge_getlink

Hello:

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

On Thu, 27 Feb 2025 18:41:29 +0200 you wrote:
> Partially revert commit b71724147e73 ("be2net: replace polling with
> sleeping in the FW completion path") w.r.t mcc mutex it introduces and the
> use of usleep_range. The be2net be_ndo_bridge_getlink() callback is
> called with rcu_read_lock, so this code has been broken for a long time.
> Both the mutex_lock and the usleep_range can cause the issue Ian Kumlien
> reported[1]. The call path is:
> be_ndo_bridge_getlink -> be_cmd_get_hsw_config -> be_mcc_notify_wait ->
> be_mcc_wait_compl -> usleep_range()
> 
> [...]

Here is the summary with links:
  - [net] be2net: fix sleeping while atomic bugs in be_ndo_bridge_getlink
    https://git.kernel.org/netdev/net/c/1a82d19ca2d6

You are awesome, thank you!
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