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From: patchwork-bot+netdevbpf@kernel.org
To: =?utf-8?q?=C3=96mer_Mete_Kaya_=3Comermetekaya0=40gmail=2Ecom=3E?=@aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org
Cc: netdev@vger.kernel.org, oneukum@suse.com, andrew+netdev@lunn.ch,
	davem@davemloft.net, edumazet@google.com, kuba@kernel.org,
	pabeni@redhat.com, linux-usb@vger.kernel.org,
	linux-kernel@vger.kernel.org, david.laight.linux@gmail.com,
	syzbot+04cd90bb99c6ef81a65d@syzkaller.appspotmail.com
Subject: Re: [PATCH net v6] usbnet: fix smp_processor_id() use in preemptible context
Date: Fri, 16 Oct 2026 15:40:10 +0000	[thread overview]
Message-ID: <179216521051.826981.1505486150445247313.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20261004215937.302247-1-omermetekaya0@gmail.com>

Hello:

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

On Mon,  5 Oct 2026 00:59:25 +0300 you wrote:
> tx_complete() calls this_cpu_ptr() before disabling preemption, which
> triggers a BUG when running with CONFIG_DEBUG_PREEMPT:
> 
>   BUG: using smp_processor_id() in preemptible code in tx_complete
> 
> Fix by using get_cpu_ptr()/put_cpu_ptr() which disable preemption and
> return the per-CPU pointer atomically. The usbnet_skb_return() hunk
> is a hardening change: that path runs in softirq context so no warning
> fires there, but the same fix is applied for consistency.
> 
> [...]

Here is the summary with links:
  - [net,v6] usbnet: fix smp_processor_id() use in preemptible context
    https://git.kernel.org/netdev/net-next/c/95a5c641fc7b

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



      parent reply	other threads:[~2026-10-16 15:40 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-10-04 21:59 [PATCH net v6] usbnet: fix smp_processor_id() use in preemptible context Ömer Mete Kaya
2026-10-08  3:00 ` Jakub Kicinski
2026-10-08 14:16   ` Alan Stern
2026-10-08 16:43     ` Jakub Kicinski
2026-10-08 18:03       ` Alan Stern
2026-10-09 11:31         ` Greg Kroah-Hartman
2026-10-12 19:49           ` Sebastian Andrzej Siewior
2026-10-12 20:26             ` Alan Stern
2026-10-12 21:25               ` Sebastian Andrzej Siewior
2026-10-13  2:09                 ` Alan Stern
2026-10-13  9:11                   ` Paolo Abeni
2026-10-13  9:22                     ` Sebastian Andrzej Siewior
2026-10-14 19:11                   ` Sebastian Andrzej Siewior
2026-10-14 19:22                     ` Alan Stern
2026-10-14 22:04                       ` Sebastian Andrzej Siewior
2026-10-15 16:00                         ` [PATCH] USB: Documentation: Update description of completion callback context Alan Stern
2026-10-15 16:02                           ` sashiko-bot
2026-10-15 18:26                           ` Sebastian Andrzej Siewior
2026-10-15 18:35                             ` Alan Stern
2026-10-16 18:56                               ` Sebastian Andrzej Siewior
2026-10-13  8:54               ` [PATCH net v6] usbnet: fix smp_processor_id() use in preemptible context Oliver Neukum
2026-10-13  9:20                 ` Sebastian Andrzej Siewior
2026-10-16 15:40 ` patchwork-bot+netdevbpf [this message]

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