Re: [Resend RFC PATCH V2 08/12] UIO/Hyper-V: Not load UIO HV driver in the isolation VM.

[Tianyu Lan]

Hi Stephen:
	Thanks for your review.


On 4/15/2021 12:17 AM, Stephen Hemminger wrote:
> On Wed, 14 Apr 2021 17:45:51 +0200
> Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx> wrote:
>
> > On Wed, Apr 14, 2021 at 10:49:41AM -0400, Tianyu Lan wrote:
> > > From: Tianyu Lan <Tianyu.Lan@xxxxxxxxxxxxx>
> > >
> > > UIO HV driver should not load in the isolation VM for security reason.
> > > Return ENOTSUPP in the hv_uio_probe() in the isolation VM.
> > >
> > > Signed-off-by: Tianyu Lan <Tianyu.Lan@xxxxxxxxxxxxx>
>
> This is debatable, in isolation VM's shouldn't userspace take responsibility
> to validate host communication. If that is an issue please participate with
> the DPDK community (main user of this) to make sure netvsc userspace driver
> has the required checks.

Agree. Will report back to secure team and apply request to add change 
in userspace netvsc driver. Thanks for advise.