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From: "David Hildenbrand (Arm)" <david@kernel.org>
To: "Denis V. Lunev" <den@openvz.org>, mst@redhat.com
Cc: virtualization@lists.linux.dev, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 1/4] virtio: add virtio_device_shutdown() helper
Date: Wed, 24 Jun 2026 16:52:19 +0200	[thread overview]
Message-ID: <d81b3616-322c-4271-8530-9977aa44cf89@kernel.org> (raw)
In-Reply-To: <20260624140846.2616797-2-den@openvz.org>

On 6/24/26 16:08, Denis V. Lunev wrote:
> The generic virtio bus .shutdown handler, virtio_dev_shutdown(), breaks
> and resets a device once it has established that the driver has no
> .shutdown of its own. A driver that does implement .shutdown, to quiesce
> its own activity first, still needs the same break and reset afterwards
> and would otherwise have to open code it.
> 
> Factor the break + synchronize_cbs + reset sequence out of
> virtio_dev_shutdown() into an exported virtio_device_shutdown() helper so
> such drivers can reuse it instead of duplicating the core logic.
> 
> No functional change.
> 
> Signed-off-by: Denis V. Lunev <den@openvz.org>
> ---

Reviewed-by: David Hildenbrand (Arm) <david@kernel.org>

-- 
Cheers,

David

  reply	other threads:[~2026-06-24 14:52 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-06-24 14:08 [PATCH v2 0/4] virtio_balloon: quiesce balloon work on device shutdown Denis V. Lunev
2026-06-24 14:08 ` [PATCH v2 1/4] virtio: add virtio_device_shutdown() helper Denis V. Lunev
2026-06-24 14:52   ` David Hildenbrand (Arm) [this message]
2026-06-24 14:08 ` [PATCH v2 2/4] virtio_balloon: factor out virtballoon_quiesce() Denis V. Lunev
2026-06-24 14:52   ` David Hildenbrand (Arm)
2026-06-24 14:08 ` [PATCH v2 3/4] virtio_balloon: quiesce balloon work before device shutdown Denis V. Lunev
2026-06-24 14:55   ` David Hildenbrand (Arm)
2026-06-24 15:00     ` Denis V. Lunev
2026-06-24 15:23       ` David Hildenbrand (Arm)
2026-06-24 14:08 ` [PATCH v2 4/4] virtio_balloon: warn on failed buffer add in tell_host() Denis V. Lunev
2026-06-24 14:57   ` David Hildenbrand (Arm)
2026-06-24 15:40     ` [PATCH v2 5/4] virtio_balloon: warn on failed buffer add in stats_handle_request() Denis V. Lunev
2026-06-24 16:56       ` David Hildenbrand (Arm)
2026-06-24 17:03         ` Denis V. Lunev

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