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From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
To: Thomas Gleixner <tglx@linutronix.de>
Cc: Borislav Petkov <bp@alien8.de>, linux-rtc@vger.kernel.org,
	Alexandre Belloni <alexandre.belloni@bootlin.com>,
	Mateusz =?utf-8?Q?Jo=C5=84czyk?= <mat.jonczyk@o2.pl>,
	lkml <linux-kernel@vger.kernel.org>,
	Anna-Maria Behnsen <anna-maria@linutronix.de>,
	Frederic Weisbecker <frederic@kernel.org>,
	Peter Zijlstra <peterz@infradead.org>
Subject: Re: [ BUG: Invalid wait context ] rtc_lock at: mc146818_avoid_UIP
Message-ID: <20250404061632.Ftb8UoHV@linutronix.de>
References: <20250330113202.GAZ-krsjAnurOlTcp-@fat_crate.local>
 <87sempv17b.ffs@tglx>
 <20250403135031.giGKVTEO@linutronix.de>
 <20250403193659.hhUTgJLH@linutronix.de>
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In-Reply-To: <87r029uh3j.ffs@tglx>

On 2025-04-03 22:26:24 [+0200], Thomas Gleixner wrote:
> > it is just
> > | WARNING: CPU: 0 PID: 1007 at kernel/time/timekeeping.c:1858 timekeeping_suspend+0x3b/0x330
> 
> Which kernel version is that? I don't see a warning in timekeeping_suspend()

I added a WARN_ON(1) to the top of timekeeping_suspend() to compare my
call chain with Borislav's.

> Thanks,
> 
>         tglx

Sebastian