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

From: Christoph Hellwig <[email-masked]>
Date: Wed, 14 Apr 2021 17:42:32 +0200

On Wed, Apr 14, 2021 at 10:49:41AM -0400, Tianyu Lan wrote:
> From: Tianyu Lan <[email-masked]>
> 
> UIO HV driver should not load in the isolation VM for security reason.
> Return ENOTSUPP in the hv_uio_probe() in the isolation VM.

What is the "security reason"?  After all a user can simply patch the
code and just load it anyway..