linux-kernel - Re: [RFC PATCH 3/7] vfio/pci: add RCU locking for regions access

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Message-ID: <lrkyqldm3zv20.fsf@dev-dsk-mngyadam-1c-cb3f7548.eu-west-1.amazon.com>
Date: Wed, 24 Sep 2025 18:15:03 +0200
From: Mahmoud Nagy Adam <mngyadam@...zon.de>
To: <kvm@...r.kernel.org>
CC: <alex.williamson@...hat.com>, <jgg@...pe.ca>, <kbusch@...nel.org>,
	<benh@...nel.crashing.org>, David Woodhouse <dwmw@...zon.co.uk>,
	<pravkmr@...zon.de>, <nagy@...aternagy.com>, <linux-kernel@...r.kernel.org>
Subject: Re: [RFC PATCH 3/7] vfio/pci: add RCU locking for regions access

..Having a second look on the rcu read sections. Some of these read
sections could sleep/block. simple RCU with these sections will not
work. Need to fix this on the next send.

-MNAdam

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