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Date: Tue, 17 Sep 2024 22:42:52 +0200
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Stuart Hayes <stuart.w.hayes@gmail.com>
Cc: linux-kernel@vger.kernel.org, "Rafael J . Wysocki" <rafael@kernel.org>,
	Martin Belanger <Martin.Belanger@dell.com>,
	Oliver O'Halloran <oohall@gmail.com>,
	Daniel Wagner <dwagner@suse.de>, Keith Busch <kbusch@kernel.org>,
	Lukas Wunner <lukas@wunner.de>, David Jeffery <djeffery@redhat.com>,
	Jeremy Allison <jallison@ciq.com>, Jens Axboe <axboe@fb.com>,
	Christoph Hellwig <hch@lst.de>, Sagi Grimberg <sagi@grimberg.me>,
	linux-nvme@lists.infradead.org,
	Nathan Chancellor <nathan@kernel.org>,
	Jan Kiszka <jan.kiszka@seimens.com>
Subject: Re: [PATCH] driver core: fix async device shutdown hang
Message-ID: <2024091753-estate-legroom-5d62@gregkh>
References: <20240917201517.1145331-1-stuart.w.hayes@gmail.com>
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In-Reply-To: <20240917201517.1145331-1-stuart.w.hayes@gmail.com>

On Tue, Sep 17, 2024 at 03:15:17PM -0500, Stuart Hayes wrote:
> Modify device_shutdown() so that supplier devices do not wait for
> consumer devices to be shut down first when the devlink is sync state
> only, since the consumer is not dependent on the supplier in this case.
> 
> Without this change, a circular dependency could hang the system.
> 
> Signed-off-by: Stuart Hayes <stuart.w.hayes@gmail.com>

What commit id does this fix?  Should it go to stable?

And what driver is causing this problem, is this a regression or for
something new that just got added to the tree?

thanks,

greg k-h