I don' t think vt is related. For tdx, the actual max physical address bits is decreased by the KEY_ID_BITS bits. But the max physical address bits reported from CPUID instruction don't change.
Details in https://cdrdv2-public.intel.com/679154/multi-key-total-memory-encryption-spec-1.4.pdf > -----Original Message----- > From: devel@edk2.groups.io <devel@edk2.groups.io> On Behalf Of Gerd > Hoffmann > Sent: Thursday, March 30, 2023 3:25 PM > To: Ni, Ray <ray...@intel.com> > Cc: Tom Lendacky <thomas.lenda...@amd.com>; devel@edk2.groups.io > Subject: Re: [edk2-devel] [PATCH 0/6] Substract TME-MK KEY_ID_BITS from > CPU max PA > > On Thu, Mar 30, 2023 at 02:26:25AM +0000, Ni, Ray wrote: > > Gerd, > > This is needed by Intel platform for TME-MK. Can you help to analyze if it > has any impact to OVMF? I assume no. > > How does that feature interact with vt and tdx? > > take care, > Gerd > > > > > -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#102162): https://edk2.groups.io/g/devel/message/102162 Mute This Topic: https://groups.io/mt/97767965/21656 Group Owner: devel+ow...@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/leave/9847357/21656/1706620634/xyzzy [arch...@mail-archive.com] -=-=-=-=-=-=-=-=-=-=-=-