Hello:
This patch was applied to netdev/net-next.git (main)
by Jakub Kicinski <kuba@xxxxxxxxxx>:
On Tue, 20 May 2025 07:11:55 +0000 you wrote:
> When xdp is attached or detached, dev->ndo_bpf() is called by
> do_setlink(), and it acquires netdev_lock() if needed.
> Unlike other drivers, the bnxt driver is protected by netdev_lock while
> xdp is attached/detached because it sets dev->request_ops_lock to true.
>
> So, the bnxt_xdp(), that is callback of ->ndo_bpf should not acquire
> netdev_lock().
> But the xdp_features_{set | clear}_redirect_target() was changed to
> acquire netdev_lock() internally.
> It causes a deadlock.
> To fix this problem, bnxt driver should use
> xdp_features_{set | clear}_redirect_target_locked() instead.
>
> [...]
Here is the summary with links:
- [net-next] eth: bnxt: fix deadlock when xdp is attached or detached
https://git.kernel.org/netdev/net-next/c/db807e5ef8ee
You are awesome, thank you!
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