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
Date: Wed, 18 Sep 2024 08:12:33 +0200 [thread overview]
Message-ID: <2024091838-keenly-scrabble-8cce@gregkh> (raw)
In-Reply-To: <751d4ba8-1e35-47a5-9a94-9873ff2619ae@gmail.com>
On Tue, Sep 17, 2024 at 07:20:41PM -0500, stuart hayes wrote:
>
>
> On 9/17/2024 3:42 PM, Greg Kroah-Hartman wrote:
> > 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
>
> This fixes commit 8064952c65045f05ee2671fe437770e50c151776, in
> driver-core-next & linux-next... it's problem with code that was just
> added to the tree (in drivers/base/core.c). It is not in stable.
Ah, that wasn't obvious, sorry.
> Apologies, I should have mentioned that from the start.
Can you resend this with a "Fixes:" tag in it so I can just take it that
way and not have to edit it by hand?
thanks,
greg k-h
next prev parent reply other threads:[~2024-09-18 6:12 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-09-17 20:15 [PATCH] driver core: fix async device shutdown hang Stuart Hayes
2024-09-17 20:42 ` Greg Kroah-Hartman
2024-09-18 0:20 ` stuart hayes
2024-09-18 6:12 ` Greg Kroah-Hartman [this message]
2024-09-18 21:07 ` Laurence Oberman
-- strict thread matches above, loose matches on Subject: below --
2024-09-19 4:31 Stuart Hayes
2024-09-19 5:17 ` Greg Kroah-Hartman
2024-09-19 14:16 ` Nathan Chancellor
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