From: "Michael S. Tsirkin" <mst@redhat.com>
To: Zhu Lingshan <lingshan.zhu@intel.com>
Cc: jasowang@redhat.com, eperezma@redhat.com, cohuck@redhat.com,
stefanha@redhat.com, virtio-comment@lists.oasis-open.org,
virtio-dev@lists.oasis-open.org
Subject: [virtio-comment] Re: [PATCH 0/5] virtio: introduce SUSPEND bit and vq state
Date: Thu, 14 Sep 2023 07:37:02 -0400 [thread overview]
Message-ID: <20230914073454-mutt-send-email-mst@kernel.org> (raw)
In-Reply-To: <20230906081637.32185-1-lingshan.zhu@intel.com>
On Wed, Sep 06, 2023 at 04:16:32PM +0800, Zhu Lingshan wrote:
> This series introduces
> 1)a new SUSPEND bit in the device status
> Which is used to suspend the device, so that the device states
> and virtqueue states are stabilized.
>
> 2)virtqueue state and its accessor, to get and set last_avail_idx
> and last_used_idx of virtqueues.
>
> The main usecase of these new facilities is Live Migration.
>
> Future work: dirty page tracking and in-flight descriptors.
>
> This series addresses many comments from Jason, Stefan and Eugenio
> from RFC series.
after going over this in detail, it is like I worried: this
tries to do too much through a single register and
the ownership is muddied significantly.
I feel a separate capability for suspend/resume that would
be independent of device status would be preferable.
> Zhu Lingshan (5):
> virtio: introduce vq state as basic facility
> virtio: introduce SUSPEND bit in device status
> virtqueue: constraints for virtqueue state
> virtqueue: ignore resetting vqs when SUSPEND
> virtio-pci: implement VIRTIO_F_QUEUE_STATE
>
> content.tex | 118 ++++++++++++++++++++++++++++++++++++++++++++++
> transport-pci.tex | 18 +++++++
> 2 files changed, 136 insertions(+)
>
> --
> 2.35.3
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next prev parent reply other threads:[~2023-09-14 11:37 UTC|newest]
Thread overview: 148+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-09-06 8:16 [virtio-comment] [PATCH 0/5] virtio: introduce SUSPEND bit and vq state Zhu Lingshan
2023-09-06 8:16 ` [virtio-comment] [PATCH 1/5] virtio: introduce vq state as basic facility Zhu Lingshan
2023-09-06 8:28 ` Michael S. Tsirkin
2023-09-06 9:43 ` Zhu, Lingshan
2023-09-14 11:25 ` Michael S. Tsirkin
2023-09-15 2:46 ` Zhu, Lingshan
2023-09-06 8:16 ` [virtio-comment] [PATCH 2/5] virtio: introduce SUSPEND bit in device status Zhu Lingshan
2023-09-14 11:34 ` [virtio-comment] " Michael S. Tsirkin
2023-09-15 2:57 ` Zhu, Lingshan
2023-09-15 11:10 ` Michael S. Tsirkin
2023-09-18 2:56 ` Zhu, Lingshan
2023-09-18 4:42 ` Parav Pandit
2023-09-18 5:14 ` Zhu, Lingshan
2023-09-18 6:17 ` Parav Pandit
2023-09-18 6:38 ` Zhu, Lingshan
2023-09-18 6:46 ` Parav Pandit
2023-09-18 6:49 ` Zhu, Lingshan
2023-09-18 6:50 ` Zhu, Lingshan
2023-09-06 8:16 ` [virtio-comment] [PATCH 3/5] virtqueue: constraints for virtqueue state Zhu Lingshan
2023-09-14 11:30 ` [virtio-comment] " Michael S. Tsirkin
2023-09-15 2:59 ` Zhu, Lingshan
2023-09-15 11:16 ` Michael S. Tsirkin
2023-09-18 3:02 ` Zhu, Lingshan
2023-09-18 17:30 ` Michael S. Tsirkin
2023-09-19 7:56 ` Zhu, Lingshan
2023-09-06 8:16 ` [virtio-comment] [PATCH 4/5] virtqueue: ignore resetting vqs when SUSPEND Zhu Lingshan
2023-09-14 11:09 ` [virtio-comment] " Michael S. Tsirkin
2023-09-15 4:06 ` Zhu, Lingshan
2023-09-06 8:16 ` [virtio-comment] [PATCH 5/5] virtio-pci: implement VIRTIO_F_QUEUE_STATE Zhu Lingshan
2023-09-06 8:32 ` Michael S. Tsirkin
2023-09-06 8:37 ` Parav Pandit
2023-09-06 9:37 ` Zhu, Lingshan
2023-09-11 3:01 ` Jason Wang
2023-09-11 4:11 ` Parav Pandit
2023-09-11 6:30 ` Jason Wang
2023-09-11 6:47 ` Parav Pandit
2023-09-11 6:58 ` Zhu, Lingshan
2023-09-11 7:07 ` Parav Pandit
2023-09-11 7:18 ` Zhu, Lingshan
2023-09-11 7:30 ` Parav Pandit
2023-09-11 7:58 ` Zhu, Lingshan
2023-09-11 8:12 ` Parav Pandit
2023-09-11 8:46 ` Zhu, Lingshan
2023-09-11 9:05 ` Parav Pandit
2023-09-11 9:32 ` Zhu, Lingshan
2023-09-11 10:21 ` Parav Pandit
2023-09-12 4:06 ` Zhu, Lingshan
2023-09-12 5:58 ` Parav Pandit
2023-09-12 6:33 ` Zhu, Lingshan
2023-09-12 6:47 ` Parav Pandit
2023-09-12 7:27 ` Zhu, Lingshan
2023-09-12 7:40 ` Parav Pandit
2023-09-12 9:02 ` Zhu, Lingshan
2023-09-12 9:21 ` Parav Pandit
2023-09-12 13:03 ` Zhu, Lingshan
2023-09-12 13:43 ` Parav Pandit
2023-09-13 4:01 ` Zhu, Lingshan
2023-09-13 4:12 ` Parav Pandit
2023-09-13 4:20 ` Zhu, Lingshan
2023-09-13 4:36 ` Parav Pandit
2023-09-14 8:19 ` Zhu, Lingshan
2023-09-11 11:50 ` Parav Pandit
2023-09-12 3:43 ` Jason Wang
2023-09-12 5:50 ` Parav Pandit
2023-09-13 4:44 ` Jason Wang
2023-09-13 6:05 ` Parav Pandit
2023-09-14 3:11 ` Jason Wang
2023-09-17 5:22 ` Parav Pandit
2023-09-19 4:35 ` Jason Wang
2023-09-19 7:33 ` Parav Pandit
2023-09-12 3:48 ` Zhu, Lingshan
2023-09-12 5:51 ` Parav Pandit
2023-09-12 6:37 ` Zhu, Lingshan
2023-09-12 6:49 ` Parav Pandit
2023-09-12 7:29 ` Zhu, Lingshan
2023-09-12 7:53 ` Parav Pandit
2023-09-12 9:06 ` Zhu, Lingshan
2023-09-12 9:08 ` Zhu, Lingshan
2023-09-12 9:35 ` Parav Pandit
2023-09-12 10:14 ` Zhu, Lingshan
2023-09-12 10:16 ` Parav Pandit
2023-09-12 10:28 ` Zhu, Lingshan
2023-09-13 2:23 ` Parav Pandit
2023-09-13 4:03 ` Zhu, Lingshan
2023-09-13 4:15 ` Parav Pandit
2023-09-13 4:21 ` Zhu, Lingshan
2023-09-13 4:37 ` Parav Pandit
2023-09-14 3:11 ` Jason Wang
2023-09-17 5:25 ` Parav Pandit
2023-09-19 4:34 ` Jason Wang
2023-09-19 7:32 ` Parav Pandit
2023-09-14 8:22 ` Zhu, Lingshan
2023-09-12 9:28 ` Parav Pandit
2023-09-12 10:17 ` Zhu, Lingshan
2023-09-12 10:25 ` Parav Pandit
2023-09-12 10:32 ` Zhu, Lingshan
2023-09-12 10:40 ` Parav Pandit
2023-09-12 13:04 ` Zhu, Lingshan
2023-09-12 13:36 ` Parav Pandit
2023-09-12 4:10 ` Jason Wang
2023-09-12 6:05 ` Parav Pandit
2023-09-13 4:45 ` Jason Wang
2023-09-13 6:39 ` Parav Pandit
2023-09-14 3:08 ` Jason Wang
2023-09-17 5:22 ` Parav Pandit
2023-09-19 4:32 ` Jason Wang
2023-09-19 7:32 ` Parav Pandit
2023-09-13 8:27 ` Michael S. Tsirkin
2023-09-14 3:11 ` Jason Wang
2023-09-12 4:18 ` Jason Wang
2023-09-12 6:11 ` Parav Pandit
2023-09-12 6:43 ` Zhu, Lingshan
2023-09-12 6:52 ` Parav Pandit
2023-09-12 7:36 ` Zhu, Lingshan
2023-09-12 7:43 ` Parav Pandit
2023-09-12 10:27 ` Zhu, Lingshan
2023-09-12 10:33 ` Parav Pandit
2023-09-12 10:35 ` Zhu, Lingshan
2023-09-12 10:41 ` Parav Pandit
2023-09-12 13:09 ` Zhu, Lingshan
2023-09-12 13:35 ` Parav Pandit
2023-09-13 4:13 ` Zhu, Lingshan
2023-09-13 4:19 ` Parav Pandit
2023-09-13 4:22 ` Zhu, Lingshan
2023-09-13 4:39 ` Parav Pandit
2023-09-14 8:24 ` Zhu, Lingshan
2023-09-13 4:56 ` Jason Wang
2023-09-13 4:43 ` Jason Wang
2023-09-13 4:46 ` Parav Pandit
2023-09-14 3:12 ` Jason Wang
2023-09-17 5:29 ` Parav Pandit
2023-09-19 4:25 ` Jason Wang
2023-09-19 7:32 ` Parav Pandit
2023-09-11 6:59 ` Parav Pandit
2023-09-11 10:15 ` Michael S. Tsirkin
2023-09-12 3:35 ` Jason Wang
2023-09-12 3:43 ` Zhu, Lingshan
2023-09-14 11:27 ` Michael S. Tsirkin
2023-09-15 4:13 ` Zhu, Lingshan
2023-09-06 8:29 ` [virtio-comment] [PATCH 0/5] virtio: introduce SUSPEND bit and vq state Michael S. Tsirkin
2023-09-06 8:38 ` Zhu, Lingshan
2023-09-06 13:49 ` Michael S. Tsirkin
2023-09-07 1:51 ` Zhu, Lingshan
2023-09-07 10:57 ` Eugenio Perez Martin
2023-09-07 19:55 ` Michael S. Tsirkin
2023-09-14 11:14 ` [virtio-comment] " Michael S. Tsirkin
2023-09-14 11:37 ` Michael S. Tsirkin [this message]
2023-09-15 4:41 ` [virtio-comment] Re: [virtio-dev] " Zhu, Lingshan
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