On Thu, Jun 10, 2021 at 07:33:29PM -0700, Erdem Aktas <erdemaktas@xxxxxxxxxx> wrote: > some more feedback on KVM_TDX_INIT_MEM_REGION: > > KVM_TDX_INIT_MEM_REGION requires a source and destination address > which is a little counterintuitive (debatable). I think this requires > better documentation to explain the usage better. I was wrongly > expecting to provide the guest memory which has the code as a pointer > and expecting it to be in-place measured and encrypted. > > KVM_TDX_INIT_MEM_REGION crashes the host when: > * Target gpa is not valid or not backed by a page > * When source and destination overlap Thanks for feedback. On next respin, I'm going to document new API more. -- Isaku Yamahata <isaku.yamahata@xxxxxxxxx>
