linux-kernel - Re: r8169: disable ASPM during NAPI poll locking changes --> BUG: Invalid wait context --> PREEMPT

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Message-ID: <20230522103452.2jMLhlFq@linutronix.de>
Date:   Mon, 22 May 2023 12:34:52 +0200
From:   Sebastian Andrzej Siewior <bigeasy@...utronix.de>
To:     Heiner Kallweit <hkallweit1@...il.com>
Cc:     Mike Galbraith <efault@....de>,
        lkml <linux-kernel@...r.kernel.org>,
        Thomas Gleixner <tglx@...utronix.de>
Subject: Re: r8169: disable ASPM during NAPI poll locking changes --> BUG:
 Invalid wait context --> PREEMPT_RT pain

On 2023-05-22 12:32:38 [+0200], Heiner Kallweit wrote:
> What do you mean with "but can't"? Taking a spinlock in hardirq context
> is normal.

I'm crafting a patch, testing and will send it with full explanation.

> > 
> >> 	-Mike

 Sebastian