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Subject: Re: [virtio-comment] [PATCH 5/5] virtio-pci: implement VIRTIO_F_QUEUE_STATE
On 9/12/2023 2:52 PM, Parav Pandit wrote:
Is it beyond the spec? Nvidia specific use case and not related to virtio live migration?From: Zhu, Lingshan <lingshan.zhu@intel.com> Sent: Tuesday, September 12, 2023 12:13 PM Why need P2P for Live Migration?A peer device may be accessing the virtio device. Hence first all the devices to be stopped like [1] allowing them to accept driver notifications from the peer device. Once all the devices are stopped, than each device to be freeze to not do any device context updates. At this point the final device context can be read by the owner driver.
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