Re: [RFC PATCH v3 00/27] KVM SGX virtualization support

Kai Huang
2021-02-03T23:12:10Z

On Wed, 2021-02-03 at 09:46 -0800, Dave Hansen wrote:
> On 2/3/21 9:43 AM, Paolo Bonzini wrote:
> > On 03/02/21 18:36, Sean Christopherson wrote:
> > > I'm not at all opposed to preventing KVM from accessing EPC, but I
> > > really don't want to add a special check in KVM to avoid reading EPC.
> > > KVM generally isn't aware of physical backings, and the relevant KVM
> > > code is shared between all architectures.
> >
> > Yeah, special casing KVM is almost always the wrong thing to do.
> > Anything that KVM can do, other subsystems will do as well.
>
> Agreed. Thwarting ioremap itself seems like the right way to go.

This sounds irrelevant to KVM SGX, thus I won't include it to KVM SGX series.