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From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
To: Bert Karwatzki <spasswolf@web.de>
Cc: Thomas Gleixner <tglx@linutronix.de>, linux-kernel@vger.kernel.org,
	linux-rt-devel@lists.linux.dev, Jakub Kicinski <kuba@kernel.org>,
	Eric Dumazet <edumazet@google.com>, netdev@vger.kernel.org
Subject: Re: "Dead loop on virtual device" error without softirq-BKL on
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On 2026-02-17 20:10:09 [+0100], Bert Karwatzki wrote:
> 
> I tried to research the original commit which introduced the xmit_lock_owner check, but
> it is present since linux 2.3.6 (released 19990610) (when __dev_queue_xmit() was still called dev_queue_xmit()),
> so I can't tell the original idea behind that check (perhaps recuesion detection ...), so I'm
> not completely sure if it can be omitted (and just let dev_xmit_recursion() do the recursion checking).

Okay. Thank you. I add it to my list.

> Bert Karwatzki

Sebastian