Re: [PATCH net] net: lan966x: don't disable hardirqs in fdma tx clear path
From: patchwork-bot+netdevbpf
Date: Tue Oct 27 2026 - 19:11:05 EST
Hello:
This patch was applied to netdev/net.git (main)
by Jakub Kicinski <kuba@xxxxxxxxxx>:
On Mon, 26 Oct 2026 14:45:58 +0100 you wrote:
> lan966x_fdma_tx_clear_buf() runs from the NAPI poll and frees the
> buffers of completed tx DCBs with napi_consume_skb(),
> page_pool_recycle_direct() and xdp_return_frame_bulk(), under
> lan966x->tx_lock.
>
> Before this patch, the lock is taken with spin_lock_irqsave(), so the
> buffers are freed with hardirqs disabled. RX skbs are marked for
> page_pool recycling, so when such an skb is forwarded back out and its
> tx completion frees it here, the free path reaches __page_pool_put_page(),
> which warns via lockdep_assert_no_hardirq().
>
> [...]
Here is the summary with links:
- [net] net: lan966x: don't disable hardirqs in fdma tx clear path
https://git.kernel.org/netdev/net/c/b2e17432e7ee
You are awesome, thank you!
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