Re: [RFC v2 0/4] vfio/hisilicon: add acc live migration driver

[Jason Gunthorpe]

On Fri, Jul 02, 2021 at 10:58:45AM +0100, Shameer Kolothum wrote:
> Hi,
> 
> This series attempts to add vfio live migration support for
> HiSilicon ACC VF devices. HiSilicon ACC VF device MMIO space
> includes both the functional register space and migration 
> control register space. As discussed in RFCv1[0], this may create
> security issues as these regions get shared between the Guest
> driver and the migration driver. Based on the feedback, we tried
> to address those concerns in this version. 
> 
> This is now based on the new vfio-pci-core framework proposal[1].
> Understand that the framework proposal is still under discussion,
> but really appreciate any feedback on the approach taken here
> to mitigate the security risks.

Do you want to try to get this into this kernel along with the mlx5
driver? How RFCy is this?

If you can post a v2 with the changes discussed soon I think there is
a good chance of this.

Thanks,
Jason