linux-kernel - Re: [PATCH v3 2/2] PCI/aer_inject: Remove unnecessary lock in aer_inject

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Message-ID: <20251027081251.aerhtaJi@linutronix.de>
Date: Mon, 27 Oct 2025 09:12:51 +0100
From: Sebastian Andrzej Siewior <bigeasy@...utronix.de>
To: Guangbo Cui <jckeep.cuiguangbo@...il.com>
Cc: Clark Williams <clrkwllms@...nel.org>,
	Steven Rostedt <rostedt@...dmis.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Ingo Molnar <mingo@...hat.com>, Will Deacon <will@...nel.org>,
	Boqun Feng <boqun.feng@...il.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	Jonathan Cameron <jonathan.cameron@...wei.com>,
	Waiman Long <longman@...hat.com>, linux-rt-devel@...ts.linux.dev,
	linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org
Subject: Re: [PATCH v3 2/2] PCI/aer_inject: Remove unnecessary lock in
 aer_inject_exit

On 2025-10-26 04:43:35 [+0000], Guangbo Cui wrote:
> After misc_deregister and restoring PCI bus ops, there can be no further
> users accessing the einjected list. The list items are therefore safely
> freed without taking the lock.

Reviewed-by: Sebastian Andrzej Siewior <bigeasy@...utronix.de>

> Signed-off-by: Guangbo Cui <jckeep.cuiguangbo@...il.com>

Sebastian