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From: patchwork-bot+netdevbpf@kernel.org
To: Daniel Machon <daniel.machon@microchip.com>
Cc: horatiu.vultur@microchip.com, UNGLinuxDriver@microchip.com,
	andrew+netdev@lunn.ch, davem@davemloft.net, edumazet@kernel.org,
	kuba@kernel.org, pabeni@redhat.com, ast@kernel.org,
	daniel@iogearbox.net, hawk@kernel.org, john.fastabend@gmail.com,
	sdf@fomichev.me, netdev@vger.kernel.org,
	linux-kernel@vger.kernel.org, bpf@vger.kernel.org
Subject: Re: [PATCH net] net: lan966x: don't disable hardirqs in fdma tx clear path
Date: Tue, 27 Oct 2026 23:10:05 +0000	[thread overview]
Message-ID: <179314260557.383254.3851394909135159768.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20261026-lan966x-fdma-tx-clear-hardirq-v1-1-5f70f026a2e4@microchip.com>

Hello:

This patch was applied to netdev/net.git (main)
by Jakub Kicinski <kuba@kernel.org>:

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!
-- 
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html



      parent reply	other threads:[~2026-10-27 23:10 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-10-26 13:45 Daniel Machon
2026-10-27 13:48 ` netdev-bot+sashiko
2026-10-27 14:39   ` Daniel Machon
2026-10-27 23:10 ` patchwork-bot+netdevbpf [this message]

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