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Date: Tue, 12 Oct 2021 12:31:39 +0200
From: "Gerd Hoffmann" <kraxel@redhat.com>
To: devel@edk2.groups.io, min.m.xu@intel.com
Cc: Brijesh Singh <brijesh.singh@amd.com>,
	Erdem Aktas <erdemaktas@google.com>,
	James Bottomley <jejb@linux.ibm.com>,
	Jiewen Yao <jiewen.yao@intel.com>,
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	Eric Dong <eric.dong@intel.com>, Ray Ni <ray.ni@intel.com>,
	Rahul Kumar <rahul1.kumar@intel.com>
Subject: Re: [edk2-devel] [PATCH V2 13/28] UefiCpuPkg: Enable Tdx support in MpInitLib
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  Hi,

> +  do {
> +    AsmCpuid (0, &LargestEax, &Ebx, &Ecx, &Edx);

Again: this should use PCD.

take care,
  Gerd