From: Jason Gunthorpe <jgg@nvidia.com>
To: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Alex Williamson <alex.williamson@redhat.com>,
Yishai Hadas <yishaih@nvidia.com>,
jasowang@redhat.com, kvm@vger.kernel.org,
virtualization@lists.linux-foundation.org, parav@nvidia.com,
feliu@nvidia.com, jiri@nvidia.com, kevin.tian@intel.com,
joao.m.martins@oracle.com, leonro@nvidia.com, maorg@nvidia.com
Subject: Re: [PATCH vfio 11/11] vfio/virtio: Introduce a vfio driver over virtio devices
Date: Fri, 22 Sep 2023 09:23:28 -0300 [thread overview]
Message-ID: <20230922122328.GO13733@nvidia.com> (raw)
In-Reply-To: <20230922011918-mutt-send-email-mst@kernel.org>
On Fri, Sep 22, 2023 at 05:47:23AM -0400, Michael S. Tsirkin wrote:
> it will require maintainance effort when virtio changes are made. For
> example it pokes at the device state - I don't see specific races right
> now but in the past we did e.g. reset the device to recover from errors
> and we might start doing it again.
>
> If more of the logic is under virtio directory where we'll remember
> to keep it in loop, and will be able to reuse it from vdpa
> down the road, I would be more sympathetic.
This is inevitable, the VFIO live migration driver will need all this
infrastructure too.
Jason
next prev parent reply other threads:[~2023-09-22 12:23 UTC|newest]
Thread overview: 321+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-09-21 12:40 [PATCH vfio 00/11] Introduce a vfio driver over virtio devices Yishai Hadas via Virtualization
2023-09-21 12:40 ` Yishai Hadas
2023-09-21 12:40 ` [PATCH vfio 01/11] virtio-pci: Use virtio pci device layer vq info instead of generic one Yishai Hadas via Virtualization
2023-09-21 12:40 ` Yishai Hadas
2023-09-21 13:46 ` Michael S. Tsirkin
2023-09-21 13:46 ` Michael S. Tsirkin
2023-09-26 19:13 ` Feng Liu via Virtualization
2023-09-26 19:13 ` Feng Liu
2023-09-27 18:09 ` Feng Liu via Virtualization
2023-09-27 18:09 ` Feng Liu
2023-09-27 21:24 ` Michael S. Tsirkin
2023-09-27 21:24 ` Michael S. Tsirkin
2023-09-21 12:40 ` [PATCH vfio 02/11] virtio: Define feature bit for administration virtqueue Yishai Hadas via Virtualization
2023-09-21 12:40 ` Yishai Hadas
2023-09-21 12:40 ` [PATCH vfio 03/11] virtio-pci: Introduce admin virtqueue Yishai Hadas via Virtualization
2023-09-21 12:40 ` Yishai Hadas
2023-09-21 13:57 ` Michael S. Tsirkin
2023-09-21 13:57 ` Michael S. Tsirkin
2023-09-26 19:23 ` Feng Liu via Virtualization
2023-09-26 19:23 ` Feng Liu
2023-09-27 18:12 ` Feng Liu via Virtualization
2023-09-27 18:12 ` Feng Liu
2023-09-27 21:27 ` Michael S. Tsirkin
2023-09-27 21:27 ` Michael S. Tsirkin
2023-10-02 18:07 ` Feng Liu via Virtualization
2023-10-02 18:07 ` Feng Liu
2023-09-21 12:40 ` [PATCH vfio 04/11] virtio: Expose the synchronous command helper function Yishai Hadas via Virtualization
2023-09-21 12:40 ` Yishai Hadas
2023-09-21 12:40 ` [PATCH vfio 05/11] virtio-pci: Introduce admin command sending function Yishai Hadas via Virtualization
2023-09-21 12:40 ` Yishai Hadas
2023-09-21 12:40 ` [PATCH vfio 06/11] virtio-pci: Introduce API to get PF virtio device from VF PCI device Yishai Hadas via Virtualization
2023-09-21 12:40 ` Yishai Hadas
2023-09-21 12:40 ` [PATCH vfio 07/11] virtio-pci: Introduce admin commands Yishai Hadas via Virtualization
2023-09-21 12:40 ` Yishai Hadas
2023-09-24 5:18 ` kernel test robot
2023-09-24 5:18 ` kernel test robot
2023-09-25 3:18 ` kernel test robot
2023-09-25 3:18 ` kernel test robot
2023-09-21 12:40 ` [PATCH vfio 08/11] vfio/pci: Expose vfio_pci_core_setup_barmap() Yishai Hadas via Virtualization
2023-09-21 12:40 ` Yishai Hadas
2023-09-21 16:35 ` Alex Williamson
2023-09-21 16:35 ` Alex Williamson
2023-09-26 9:45 ` Yishai Hadas via Virtualization
2023-09-26 9:45 ` Yishai Hadas
2023-09-21 12:40 ` [PATCH vfio 09/11] vfio/pci: Expose vfio_pci_iowrite/read##size() Yishai Hadas via Virtualization
2023-09-21 12:40 ` Yishai Hadas
2023-09-21 12:40 ` [PATCH vfio 10/11] vfio/virtio: Expose admin commands over virtio device Yishai Hadas via Virtualization
2023-09-21 12:40 ` Yishai Hadas
2023-09-21 13:08 ` Michael S. Tsirkin
2023-09-21 13:08 ` Michael S. Tsirkin
2023-09-21 20:34 ` Michael S. Tsirkin
2023-09-21 20:34 ` Michael S. Tsirkin
2023-09-26 10:51 ` Yishai Hadas via Virtualization
2023-09-26 10:51 ` Yishai Hadas
2023-09-26 11:25 ` Michael S. Tsirkin
2023-09-26 11:25 ` Michael S. Tsirkin
2023-09-22 9:54 ` Michael S. Tsirkin
2023-09-22 9:54 ` Michael S. Tsirkin
2023-09-26 11:14 ` Yishai Hadas via Virtualization
2023-09-26 11:14 ` Yishai Hadas
2023-09-26 11:41 ` Michael S. Tsirkin
2023-09-26 11:41 ` Michael S. Tsirkin
2023-09-27 13:18 ` Jason Gunthorpe
2023-09-27 21:30 ` Michael S. Tsirkin
2023-09-27 21:30 ` Michael S. Tsirkin
2023-09-27 23:16 ` Jason Gunthorpe
2023-09-28 5:26 ` Michael S. Tsirkin
2023-09-28 5:26 ` Michael S. Tsirkin
2023-10-02 6:28 ` Christoph Hellwig
2023-10-02 6:28 ` Christoph Hellwig
2023-10-02 15:13 ` Jason Gunthorpe
2023-10-05 8:49 ` Christoph Hellwig
2023-10-05 8:49 ` Christoph Hellwig
2023-10-05 11:10 ` Jason Gunthorpe
2023-10-06 13:09 ` Christoph Hellwig
2023-10-06 13:09 ` Christoph Hellwig
2023-10-10 13:10 ` Jason Gunthorpe
2023-10-10 13:56 ` Michael S. Tsirkin
2023-10-10 13:56 ` Michael S. Tsirkin
2023-10-10 14:08 ` Jason Gunthorpe
2023-10-10 14:54 ` Michael S. Tsirkin
2023-10-10 14:54 ` Michael S. Tsirkin
2023-10-10 15:09 ` Yishai Hadas via Virtualization
2023-10-10 15:09 ` Yishai Hadas
2023-10-10 15:14 ` Michael S. Tsirkin
2023-10-10 15:14 ` Michael S. Tsirkin
2023-10-10 15:43 ` Yishai Hadas via Virtualization
2023-10-10 15:43 ` Yishai Hadas
2023-10-10 15:58 ` Parav Pandit via Virtualization
2023-10-10 15:58 ` Parav Pandit
2023-10-10 15:58 ` Michael S. Tsirkin
2023-10-10 15:58 ` Michael S. Tsirkin
2023-10-10 16:09 ` Yishai Hadas via Virtualization
2023-10-10 16:09 ` Yishai Hadas
2023-10-10 20:42 ` Michael S. Tsirkin
2023-10-10 20:42 ` Michael S. Tsirkin
2023-10-11 7:44 ` Yishai Hadas via Virtualization
2023-10-11 7:44 ` Yishai Hadas
2023-10-11 8:02 ` Michael S. Tsirkin
2023-10-11 8:02 ` Michael S. Tsirkin
2023-10-11 8:58 ` Yishai Hadas via Virtualization
2023-10-11 8:58 ` Yishai Hadas
2023-10-11 9:03 ` Michael S. Tsirkin
2023-10-11 9:03 ` Michael S. Tsirkin
2023-10-11 11:25 ` Yishai Hadas via Virtualization
2023-10-11 11:25 ` Yishai Hadas
2023-10-11 6:12 ` Christoph Hellwig
2023-10-11 6:12 ` Christoph Hellwig
2023-10-10 15:59 ` Jason Gunthorpe
2023-10-10 16:03 ` Michael S. Tsirkin
2023-10-10 16:03 ` Michael S. Tsirkin
2023-10-10 16:07 ` Jason Gunthorpe
2023-10-10 16:21 ` Parav Pandit via Virtualization
2023-10-10 16:21 ` Parav Pandit
2023-10-10 20:38 ` Michael S. Tsirkin
2023-10-10 20:38 ` Michael S. Tsirkin
2023-10-11 6:13 ` Christoph Hellwig
2023-10-11 6:13 ` Christoph Hellwig
2023-10-11 6:43 ` Michael S. Tsirkin
2023-10-11 6:43 ` Michael S. Tsirkin
2023-10-11 6:59 ` Christoph Hellwig
2023-10-11 6:59 ` Christoph Hellwig
2023-10-11 8:00 ` Parav Pandit via Virtualization
2023-10-11 8:00 ` Parav Pandit
2023-10-11 8:10 ` Michael S. Tsirkin
2023-10-11 8:10 ` Michael S. Tsirkin
2023-10-11 12:18 ` Jason Gunthorpe
2023-10-11 17:03 ` Michael S. Tsirkin
2023-10-11 17:03 ` Michael S. Tsirkin
2023-10-11 17:20 ` Jason Gunthorpe
2023-10-11 17:05 ` Michael S. Tsirkin
2023-10-11 17:05 ` Michael S. Tsirkin
2023-10-12 10:29 ` Zhu, Lingshan
2023-10-12 10:29 ` Zhu, Lingshan
2023-10-12 13:27 ` Jason Gunthorpe
2023-10-13 10:28 ` Zhu, Lingshan
2023-10-13 13:50 ` Michael S. Tsirkin
2023-10-13 13:50 ` Michael S. Tsirkin
2023-10-16 8:33 ` Zhu, Lingshan
2023-10-16 8:33 ` Zhu, Lingshan
2023-10-16 8:52 ` Michael S. Tsirkin
2023-10-16 8:52 ` Michael S. Tsirkin
2023-10-16 9:53 ` Zhu, Lingshan
2023-10-16 9:53 ` Zhu, Lingshan
2023-10-11 8:12 ` Michael S. Tsirkin
2023-10-11 8:12 ` Michael S. Tsirkin
2023-10-12 10:30 ` Zhu, Lingshan
2023-10-12 10:30 ` Zhu, Lingshan
2023-10-11 6:26 ` Christoph Hellwig
2023-10-11 6:26 ` Christoph Hellwig
2023-10-11 13:57 ` Jason Gunthorpe
2023-10-11 14:17 ` Christoph Hellwig
2023-10-11 14:17 ` Christoph Hellwig
2023-10-11 14:58 ` Jason Gunthorpe
2023-10-11 16:59 ` Michael S. Tsirkin
2023-10-11 16:59 ` Michael S. Tsirkin
2023-10-11 17:19 ` Jason Gunthorpe
2023-10-11 20:20 ` Michael S. Tsirkin
2023-10-11 20:20 ` Michael S. Tsirkin
2023-09-21 12:40 ` [PATCH vfio 11/11] vfio/virtio: Introduce a vfio driver over virtio devices Yishai Hadas via Virtualization
2023-09-21 12:40 ` Yishai Hadas
2023-09-21 13:16 ` Michael S. Tsirkin
2023-09-21 13:16 ` Michael S. Tsirkin
2023-09-21 14:11 ` Jason Gunthorpe
2023-09-21 14:16 ` Michael S. Tsirkin
2023-09-21 14:16 ` Michael S. Tsirkin
2023-09-21 16:41 ` Jason Gunthorpe
2023-09-21 16:53 ` Michael S. Tsirkin
2023-09-21 16:53 ` Michael S. Tsirkin
2023-09-21 18:39 ` Jason Gunthorpe
2023-09-21 19:13 ` Michael S. Tsirkin
2023-09-21 19:13 ` Michael S. Tsirkin
2023-09-21 19:49 ` Jason Gunthorpe
2023-09-21 20:45 ` Michael S. Tsirkin
2023-09-21 20:45 ` Michael S. Tsirkin
2023-09-21 22:55 ` Jason Gunthorpe
2023-09-22 3:02 ` Jason Wang
2023-09-22 3:02 ` Jason Wang
2023-09-22 11:23 ` Michael S. Tsirkin
2023-09-22 11:23 ` Michael S. Tsirkin
2023-09-22 12:15 ` Jason Gunthorpe
2023-09-22 3:01 ` Jason Wang
2023-09-22 3:01 ` Jason Wang
2023-09-22 12:11 ` Jason Gunthorpe
2023-09-25 2:34 ` Jason Wang
2023-09-25 2:34 ` Jason Wang
2023-09-25 12:26 ` Jason Gunthorpe
2023-09-25 19:44 ` Michael S. Tsirkin
2023-09-25 19:44 ` Michael S. Tsirkin
2023-09-26 0:40 ` Jason Gunthorpe
2023-09-26 5:34 ` Michael S. Tsirkin
2023-09-26 5:34 ` Michael S. Tsirkin
2023-09-26 5:42 ` Michael S. Tsirkin
2023-09-26 5:42 ` Michael S. Tsirkin
2023-09-26 13:50 ` Jason Gunthorpe
2023-09-27 21:38 ` Michael S. Tsirkin
2023-09-27 21:38 ` Michael S. Tsirkin
2023-09-27 23:20 ` Jason Gunthorpe
2023-09-28 5:31 ` Michael S. Tsirkin
2023-09-28 5:31 ` Michael S. Tsirkin
2023-09-26 4:37 ` Jason Wang
2023-09-26 4:37 ` Jason Wang
2023-09-26 5:33 ` Parav Pandit via Virtualization
2023-09-26 5:33 ` Parav Pandit
2023-09-21 19:17 ` Michael S. Tsirkin
2023-09-21 19:17 ` Michael S. Tsirkin
2023-09-21 19:51 ` Jason Gunthorpe
2023-09-21 20:55 ` Michael S. Tsirkin
2023-09-21 20:55 ` Michael S. Tsirkin
2023-09-21 23:08 ` Jason Gunthorpe
2023-09-25 4:44 ` Zhu, Lingshan
2023-09-25 4:44 ` Zhu, Lingshan
2023-09-22 3:45 ` Zhu, Lingshan
2023-09-22 3:45 ` Zhu, Lingshan
2023-09-21 13:33 ` Michael S. Tsirkin
2023-09-21 13:33 ` Michael S. Tsirkin
2023-09-21 16:43 ` Alex Williamson
2023-09-21 16:43 ` Alex Williamson
2023-09-21 16:52 ` Jason Gunthorpe
2023-09-21 17:01 ` Michael S. Tsirkin
2023-09-21 17:01 ` Michael S. Tsirkin
2023-09-21 17:07 ` Jason Gunthorpe
2023-09-21 17:21 ` Michael S. Tsirkin
2023-09-21 17:21 ` Michael S. Tsirkin
2023-09-21 17:44 ` Jason Gunthorpe
2023-09-21 17:55 ` Michael S. Tsirkin
2023-09-21 17:55 ` Michael S. Tsirkin
2023-09-21 18:16 ` Jason Gunthorpe
2023-09-21 19:34 ` Michael S. Tsirkin
2023-09-21 19:34 ` Michael S. Tsirkin
2023-09-21 19:53 ` Jason Gunthorpe
2023-09-21 20:16 ` Michael S. Tsirkin
2023-09-21 20:16 ` Michael S. Tsirkin
2023-09-21 22:48 ` Jason Gunthorpe
2023-09-22 9:47 ` Michael S. Tsirkin
2023-09-22 9:47 ` Michael S. Tsirkin
2023-09-22 12:23 ` Jason Gunthorpe [this message]
2023-09-22 15:45 ` Michael S. Tsirkin
2023-09-22 15:45 ` Michael S. Tsirkin
2023-09-22 3:02 ` Jason Wang
2023-09-22 3:02 ` Jason Wang
2023-09-22 12:22 ` Jason Gunthorpe
2023-09-22 12:25 ` Parav Pandit via Virtualization
2023-09-22 12:25 ` Parav Pandit
2023-09-22 15:13 ` Michael S. Tsirkin
2023-09-22 15:13 ` Michael S. Tsirkin
2023-09-22 15:15 ` Jason Gunthorpe
2023-09-22 15:40 ` Michael S. Tsirkin
2023-09-22 15:40 ` Michael S. Tsirkin
2023-09-22 16:22 ` Jason Gunthorpe
2023-09-25 17:36 ` Michael S. Tsirkin
2023-09-25 17:36 ` Michael S. Tsirkin
2023-09-25 2:30 ` Jason Wang
2023-09-25 2:30 ` Jason Wang
2023-09-25 8:26 ` Parav Pandit via Virtualization
2023-09-25 8:26 ` Parav Pandit
2023-09-25 18:36 ` Michael S. Tsirkin
2023-09-25 18:36 ` Michael S. Tsirkin
2023-09-26 2:34 ` Zhu, Lingshan
2023-09-26 2:34 ` Zhu, Lingshan
2023-09-26 3:45 ` Parav Pandit via Virtualization
2023-09-26 3:45 ` Parav Pandit
2023-09-26 4:37 ` Jason Wang
2023-09-26 4:37 ` Jason Wang
2023-10-12 10:52 ` Michael S. Tsirkin
2023-10-12 10:52 ` Michael S. Tsirkin
2023-10-12 11:11 ` Parav Pandit via Virtualization
2023-10-12 11:11 ` Parav Pandit
2023-10-12 11:30 ` Michael S. Tsirkin
2023-10-12 11:30 ` Michael S. Tsirkin
2023-10-12 11:40 ` Parav Pandit via Virtualization
2023-10-12 11:40 ` Parav Pandit
2023-09-26 2:32 ` Jason Wang
2023-09-26 2:32 ` Jason Wang
2023-09-26 4:01 ` Parav Pandit via Virtualization
2023-09-26 4:01 ` Parav Pandit
2023-09-26 4:37 ` Jason Wang
2023-09-26 4:37 ` Jason Wang
2023-09-26 5:27 ` Parav Pandit via Virtualization
2023-09-26 5:27 ` Parav Pandit
2023-09-26 11:49 ` Michael S. Tsirkin
2023-09-26 11:49 ` Michael S. Tsirkin
2023-10-08 4:28 ` Jason Wang
2023-10-08 4:28 ` Jason Wang
2023-09-22 3:02 ` Jason Wang
2023-09-22 3:02 ` Jason Wang
2023-09-22 12:25 ` Jason Gunthorpe
2023-09-22 15:39 ` Michael S. Tsirkin
2023-09-22 15:39 ` Michael S. Tsirkin
2023-09-22 16:19 ` Jason Gunthorpe
2023-09-25 18:16 ` Michael S. Tsirkin
2023-09-25 18:16 ` Michael S. Tsirkin
2023-09-25 18:53 ` Jason Gunthorpe
2023-09-25 19:52 ` Michael S. Tsirkin
2023-09-25 19:52 ` Michael S. Tsirkin
2023-09-21 17:09 ` Parav Pandit via Virtualization
2023-09-21 17:09 ` Parav Pandit
2023-09-21 17:24 ` Michael S. Tsirkin
2023-09-21 17:24 ` Michael S. Tsirkin
2023-09-21 19:58 ` Alex Williamson
2023-09-21 19:58 ` Alex Williamson
2023-09-21 20:01 ` Jason Gunthorpe
2023-09-21 20:20 ` Michael S. Tsirkin
2023-09-21 20:20 ` Michael S. Tsirkin
2023-09-21 20:59 ` Alex Williamson
2023-09-21 20:59 ` Alex Williamson
2023-09-22 12:37 ` Jason Gunthorpe
2023-09-22 12:59 ` Parav Pandit via Virtualization
2023-09-22 12:59 ` Parav Pandit
2023-09-26 15:20 ` Yishai Hadas via Virtualization
2023-09-26 15:20 ` Yishai Hadas
2023-09-26 17:00 ` Michael S. Tsirkin
2023-09-26 17:00 ` Michael S. Tsirkin
2023-10-02 4:38 ` Parav Pandit via Virtualization
2023-10-02 4:38 ` Parav Pandit
2023-09-22 10:10 ` Michael S. Tsirkin
2023-09-22 10:10 ` Michael S. Tsirkin
2023-09-22 15:53 ` Michael S. Tsirkin
2023-09-22 15:53 ` Michael S. Tsirkin
2023-10-02 11:23 ` Parav Pandit via Virtualization
2023-10-02 11:23 ` Parav Pandit
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