From: patchwork-bot+netdevbpf@kernel.org
To: Kevin Hao <haokexin@gmail.com>
Cc: nicolas.ferre@microchip.com, claudiu.beznea@tuxon.dev,
andrew+netdev@lunn.ch, davem@davemloft.net, edumazet@google.com,
kuba@kernel.org, pabeni@redhat.com, sean.anderson@linux.dev,
netdev@vger.kernel.org, stable@vger.kernel.org
Subject: Re: [PATCH net] net: macb: Use dev_consume_skb_any() to free TX SKBs
Date: Tue, 24 Mar 2026 12:30:04 +0000 [thread overview]
Message-ID: <177435540464.657925.5877144884946970494.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20260321-macb-tx-v1-1-b383a58dd4e6@gmail.com>
Hello:
This patch was applied to netdev/net.git (main)
by Paolo Abeni <pabeni@redhat.com>:
On Sat, 21 Mar 2026 22:04:41 +0800 you wrote:
> The napi_consume_skb() function is not intended to be called in an IRQ
> disabled context. However, after commit 6bc8a5098bf4 ("net: macb: Fix
> tx_ptr_lock locking"), the freeing of TX SKBs is performed with IRQs
> disabled. To resolve the following call trace, use dev_consume_skb_any()
> for freeing TX SKBs:
> WARNING: kernel/softirq.c:430 at __local_bh_enable_ip+0x174/0x188, CPU#0: ksoftirqd/0/15
> Modules linked in:
> CPU: 0 UID: 0 PID: 15 Comm: ksoftirqd/0 Not tainted 7.0.0-rc4-next-20260319-yocto-standard-dirty #37 PREEMPT
> Hardware name: ZynqMP ZCU102 Rev1.1 (DT)
> pstate: 200000c5 (nzCv daIF -PAN -UAO -TCO -DIT -SSBS BTYPE=--)
> pc : __local_bh_enable_ip+0x174/0x188
> lr : local_bh_enable+0x24/0x38
> sp : ffff800082b3bb10
> x29: ffff800082b3bb10 x28: ffff0008031f3c00 x27: 000000000011ede0
> x26: ffff000800a7ff00 x25: ffff800083937ce8 x24: 0000000000017a80
> x23: ffff000803243a78 x22: 0000000000000040 x21: 0000000000000000
> x20: ffff000800394c80 x19: 0000000000000200 x18: 0000000000000001
> x17: 0000000000000001 x16: ffff000803240000 x15: 0000000000000000
> x14: ffffffffffffffff x13: 0000000000000028 x12: ffff000800395650
> x11: ffff8000821d1528 x10: ffff800081c2bc08 x9 : ffff800081c1e258
> x8 : 0000000100000301 x7 : ffff8000810426ec x6 : 0000000000000000
> x5 : 0000000000000001 x4 : 0000000000000001 x3 : 0000000000000000
> x2 : 0000000000000008 x1 : 0000000000000200 x0 : ffff8000810428dc
> Call trace:
> __local_bh_enable_ip+0x174/0x188 (P)
> local_bh_enable+0x24/0x38
> skb_attempt_defer_free+0x190/0x1d8
> napi_consume_skb+0x58/0x108
> macb_tx_poll+0x1a4/0x558
> __napi_poll+0x50/0x198
> net_rx_action+0x1f4/0x3d8
> handle_softirqs+0x16c/0x560
> run_ksoftirqd+0x44/0x80
> smpboot_thread_fn+0x1d8/0x338
> kthread+0x120/0x150
> ret_from_fork+0x10/0x20
> irq event stamp: 29751
> hardirqs last enabled at (29750): [<ffff8000813be184>] _raw_spin_unlock_irqrestore+0x44/0x88
> hardirqs last disabled at (29751): [<ffff8000813bdf60>] _raw_spin_lock_irqsave+0x38/0x98
> softirqs last enabled at (29150): [<ffff8000800f1aec>] handle_softirqs+0x504/0x560
> softirqs last disabled at (29153): [<ffff8000800f2fec>] run_ksoftirqd+0x44/0x80
>
> [...]
Here is the summary with links:
- [net] net: macb: Use dev_consume_skb_any() to free TX SKBs
https://git.kernel.org/netdev/net/c/647b8a2fe474
You are awesome, thank you!
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prev parent reply other threads:[~2026-03-24 12:30 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-21 14:04 [PATCH net] net: macb: Use dev_consume_skb_any() to free TX SKBs Kevin Hao
2026-03-23 16:43 ` Simon Horman
2026-03-24 12:30 ` patchwork-bot+netdevbpf [this message]
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