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References: <20210519181949.6574-1-brijesh.singh@amd.com> <20210519181949.6574-9-brijesh.singh@amd.com>
 <c6466526-4308-2cfe-924e-8b6573f50921@redhat.com>
In-Reply-To: <c6466526-4308-2cfe-924e-8b6573f50921@redhat.com>
From: "Erdem Aktas" <erdemaktas@google.com>
Date: Fri, 28 May 2021 00:32:46 -0700
Message-ID: <CAAYXXYwXMHehbq2YuOFJc1y1wWe7N6UCV2iLYbbZeBAAQpCYHA@mail.gmail.com>
Subject: Re: [edk2-devel] [PATCH v3 08/13] MdePkg/BaseLib: add support for RMPADJUST instruction
To: Laszlo Ersek <lersek@redhat.com>
Cc: devel@edk2.groups.io, brijesh.singh@amd.com, 
	Tom Lendacky <thomas.lendacky@amd.com>, James Bottomley <jejb@linux.ibm.com>, 
	Min Xu <min.m.xu@intel.com>, Jiewen Yao <jiewen.yao@intel.com>, 
	Jordan Justen <jordan.l.justen@intel.com>, Ard Biesheuvel <ardb+tianocore@kernel.org>, 
	Michael D Kinney <michael.d.kinney@intel.com>, Liming Gao <gaoliming@byosoft.com.cn>, 
	Zhiguang Liu <zhiguang.liu@intel.com>
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>> +#define RMPADJUST_VMPL_MAX               3

Why is RMPADJUST_VMPL_MAX defined as 3? Is it not defined in bits
[15:12] of CPUID Fn8000_001F[EBX]?

-Erdem