From: patchwork-bot+netdevbpf@kernel.org
To: Hangbin Liu <liuhangbin@gmail.com>
Cc: netdev@vger.kernel.org, davem@davemloft.net, edumazet@google.com,
kuba@kernel.org, pabeni@redhat.com, horms@kernel.org,
danishanwar@ti.com, aleksander.lobakin@intel.com,
jkarrenpalo@gmail.com, ffmancera@riseup.net, m-karicheri2@ti.com,
w-kwok2@ti.com, sdf@fomichev.me, shaw.leon@gmail.com,
kuniyu@google.com, johannes.berg@intel.com
Subject: Re: [PATCHv3 net 0/3] hsr: fix lock warnings
Date: Thu, 11 Sep 2025 10:00:10 +0000 [thread overview]
Message-ID: <175758481000.2111220.9133355374443467875.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20250905091533.377443-1-liuhangbin@gmail.com>
Hello:
This series was applied to netdev/net.git (main)
by Paolo Abeni <pabeni@redhat.com>:
On Fri, 5 Sep 2025 09:15:30 +0000 you wrote:
> hsr_for_each_port is called in many places without holding the RCU read
> lock, this may trigger warnings on debug kernels like:
>
> [ 40.457015] [ T201] WARNING: suspicious RCU usage
> [ 40.457020] [ T201] 6.17.0-rc2-virtme #1 Not tainted
> [ 40.457025] [ T201] -----------------------------
> [ 40.457029] [ T201] net/hsr/hsr_main.c:137 RCU-list traversed in non-reader section!!
> [ 40.457036] [ T201]
> other info that might help us debug this:
>
> [...]
Here is the summary with links:
- [PATCHv3,net,1/3] hsr: use rtnl lock when iterating over ports
https://git.kernel.org/netdev/net/c/8884c6939913
- [PATCHv3,net,2/3] hsr: use hsr_for_each_port_rtnl in hsr_port_get_hsr
https://git.kernel.org/netdev/net/c/393c841fe433
- [PATCHv3,net,3/3] hsr: hold rcu and dev lock for hsr_get_port_ndev
https://git.kernel.org/netdev/net/c/847748fc66d0
You are awesome, thank you!
--
Deet-doot-dot, I am a bot.
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prev parent reply other threads:[~2025-09-11 10:00 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-09-05 9:15 [PATCHv3 net 0/3] hsr: fix lock warnings Hangbin Liu
2025-09-05 9:15 ` [PATCHv3 net 1/3] hsr: use rtnl lock when iterating over ports Hangbin Liu
2025-09-10 17:06 ` Simon Horman
2025-09-05 9:15 ` [PATCHv3 net 2/3] hsr: use hsr_for_each_port_rtnl in hsr_port_get_hsr Hangbin Liu
2025-09-10 17:07 ` Simon Horman
2025-09-05 9:15 ` [PATCHv3 net 3/3] hsr: hold rcu and dev lock for hsr_get_port_ndev Hangbin Liu
2025-09-10 17:09 ` Simon Horman
2025-09-11 10:00 ` patchwork-bot+netdevbpf [this message]
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