[svsm-devel] Development Plan Document

[Reshetova, Elena]

> Hi,
> 
> On 15/5/24 12:20, Reshetova, Elena wrote:
> > 5. Section 12.2: by double-validation you mean the case when a private page
> > is added twice to the CVM (reaccept in TDX terms)?
> 
> I am not familiar with TDX, but I think so, yes. It means that the same
> GPA is accepted twice by the guest. This opens a window for the
> hypervisor to remap the GPA to a different HPA, at least on SEV-SNP.

Sure, just wanted to double check. Double acceptance of the memory
is also a problem on TDX, because it can result in the private page 
suddenly containing zeros instead of the actual data. 

Best Regards,
Elena.