Hi,

> > Calling CPUID should not be needed, we have a new fancy
> > ConfidentialComputing PCD for that now.
> The gUefiCpuPkgTokenSpaceGuid.PcdConfidentialComputingGuestAttr is defined in 
> UefiCpuPkg. While BaseIoLibIntrinsicSev is in MdePkg.
> If the ConfidentialComputing PCD is used, then UefiCpuPkg has to be included 
> in BaseIoLibIntrinsicSev.inf. 
> I check all the *.inf under MdePkg but no one *.inf include UefiCpuPkg. 
> I am not sure if UefiCpuPkg can be included in BaseIoLibIntrinsicSev.inf.

Hmm, I guess we should move the pcd then so it cam be used more widely.
Confidential computing has an impact beyond just cpu, it's also memory,
io and more.

> > Maybe that's something to cleanup for amd (Brijesh?) beforehand, so the
> > structure is there already and the tdx patches just need to add the "case 
> > tdx:"
> > bits.
> Tdx patches can first use above structure. AMD can update it later. Either 
> way is ok.

That'll work too, I don't care much about the ordering.

take care,
  Gerd



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