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.
