linux-kernel - Re: [PATCH v3] lockdep: add lockdep_cleanup_dead

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Message-ID: <ec2ec6b7682b33f0ddf06c3d3c2e23c9c5971b67.camel@infradead.org>
Date: Thu, 26 Sep 2024 13:16:32 +0100
From: David Woodhouse <dwmw2@...radead.org>
To: Boqun Feng <boqun.feng@...il.com>
Cc: Thomas Gleixner <tglx@...utronix.de>, Peter Zijlstra
 <peterz@...radead.org>,  Ingo Molnar <mingo@...hat.com>, Will Deacon
 <will@...nel.org>, Waiman Long <longman@...hat.com>,  linux-kernel
 <linux-kernel@...r.kernel.org>, Juergen Gross <jgross@...e.com>
Subject: Re: [PATCH v3] lockdep: add lockdep_cleanup_dead_cpu()

On Thu, 2024-09-26 at 05:09 -0700, Boqun Feng wrote:
> 
> 
> I think this is already fixed by:
> 
>         9bb69ba4c177 ("ACPI: processor_idle: use raw_safe_halt() in acpi_idle_play_dead()")
> 
> , no?

That patch fixed the bug.

*This* patch fixes the fact that lockdep didn't *tell* us about the bug.

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