Re: [virtio-dev] Re: [virtio-comment] Re: [VIRTIO PCI PATCH v5 1/1] transport-pci: Add freeze_mode to virtio_pci_common_cfg

Zhu, Lingshan
2023-09-20T07:56:00Z

On 9/20/2023 3:51 PM, Parav Pandit wrote:
>> From: Zhu, Lingshan <lingshan.zhu@intel.com>
>> Sent: Wednesday, September 20, 2023 1:17 PM
>>> This is not live or device migration. This is restoring the device context
>> initiated by the driver owning the device.
>> restore the device context should be done by the hypervisor before setting
>> DRIVER_OK and waking up the guest, not a concern here, out of spec
> The framework is generic for the PCI devices hence, there may not be any hypervisor at all. Hence restore operation to trigger on DRIVER_OK setting, when previously suspended.
>
> Since we already agree in previous email that re-read until device sets the DRIVER_OK, its fine to me. It covers the above restore condition.
OK
>
> Thanks.
>

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