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From: "Ni, Ray" <ray.ni@intel.com>
To: "Yang, Longlong" <longlong.yang@intel.com>,
	"devel@edk2.groups.io" <devel@edk2.groups.io>
Cc: "Dong, Eric" <eric.dong@intel.com>,
	"Kumar, Rahul1" <rahul1.kumar@intel.com>,
	"Yao, Jiewen" <jiewen.yao@intel.com>,
	"Xu, Min M" <min.m.xu@intel.com>,
	"Zhang, Qi1" <qi1.zhang@intel.com>
Subject: Re: [PATCH V3 1/1] UefiCpuPkg: Extend measurement of microcode patches to TPM
Date: Tue, 14 Dec 2021 01:56:51 +0000	[thread overview]
Message-ID: <BN0PR11MB569675CE35FB32CD992DFE8B8C759@BN0PR11MB5696.namprd11.prod.outlook.com> (raw)
In-Reply-To: <f99c32de46b20b4c485efdbbfb9a05624213eca8.1639394322.git.longlong.yang@intel.com>

> +
> +  //
> +  // The order matters when packing all applied microcode patches to a single binary blob.
> +  // Therefore it is a must to do sorting before packing.
> +  // NOTE: We assumed that the order of address of every microcode patch in RAM is the same
> +  // with the order of those in the Microcode Firmware Volume in FLASH. If any future updates
> +  // made this assumption untenable, then needs a new solution to measure microcode patches.
> +  //

Can you explain the above comments?
If you only measure the microcode which will be applied to CPU, why do you care about the order?

  reply	other threads:[~2021-12-14  1:57 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <cover.1639394321.git.longlong.yang@intel.com>
2021-12-13 11:19 ` [PATCH V3 1/1] UefiCpuPkg: Extend measurement of microcode patches to TPM longlong.yang
2021-12-14  1:56   ` Ni, Ray [this message]
2021-12-14  3:02     ` Longlong Yang

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