Messages in this thread | | | Date | Fri, 24 Dec 2021 10:16:16 +0100 | Subject | Re: [PATCH 03/26] x86/tdx: Add __tdx_module_call() and __tdx_hypercall() helper functions | From | Paolo Bonzini <> |
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On 12/23/21 17:55, Kirill A. Shutemov wrote: > In a TDX based VM, since the VMM is an untrusted entity, an intermediary > layer -- TDX module -- facilitates secure communication between the host > and the guest. TDX module is loaded like a firmware into a special CPU > mode called SEAM. TDX guests communicate with the TDX module using the > TDCALL instruction. > > Does it look fine?
Looks good but I wouldn't say "like a firmware". The TDX module is the "real" hypervisor, it's not firmware.
Paolo
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