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]

On 9/20/2023 3:35 PM, Parav Pandit wrote:
> > From: Zhu, Lingshan <lingshan.zhu@intel.com>
> > Sent: Wednesday, September 20, 2023 1:00 PM
> >
> > On 9/20/2023 3:24 PM, Chen, Jiqian wrote:
> > > Hi Lingshan,
> > > It seems you reply to the wrong email thread. They are not related to my
> > patch.
> > These reply to Parva's comments.
> > @Parva, if you want to discuss more about live migration, please reply in my
> > thread, lets don't flood here.
> You made the point that "this is not live migration".
> I am not discussing live migration in this thread.
>
> I replied for the point that device restoration from suspend for physical and 
> hypevisor based device is not a 40nsec worth of work to restore by just doing a 
> register write.
> 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