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From: "Brijesh Singh" <brijesh.singh@amd.com>
To: Min Xu <min.m.xu@intel.com>, devel@edk2.groups.io
Cc: Ard Biesheuvel <ardb+tianocore@kernel.org>,
	Jordan Justen <jordan.l.justen@intel.com>,
	Gerd Hoffmann <kraxel@redhat.com>,
	Erdem Aktas <erdemaktas@google.com>,
	James Bottomley <jejb@linux.ibm.com>,
	Jiewen Yao <jiewen.yao@intel.com>,
	Tom Lendacky <thomas.lendacky@amd.com>
Subject: Re: [PATCH V7 1/1] OvmfPkg: Enable TDX in ResetVector
Date: Fri, 24 Sep 2021 05:58:03 -0500	[thread overview]
Message-ID: <753f43a1-98e2-2477-4708-6e118221207e@amd.com> (raw)
In-Reply-To: <12721dade1f2f9905cc34271d9abec24650442ff.1632214561.git.min.m.xu@intel.com>

Hi Min,

On 9/21/21 4:05 AM, Min Xu wrote:
>  ;
>  ; Modified:  EAX, EBX, ECX, EDX
>  ;
>  SetCr3ForPageTables64:
> -
> -    ; Clear the WorkArea header. The SEV probe routines will populate the
> -    ; work area when detected.
> -    mov     byte[WORK_AREA_GUEST_TYPE], 0

Why you are removing the above block ? The workarea hdr must be
initialized to zero, its not safe to assume that the guest memory is
zero'ed in the non-encrypted case.

thanks



  parent reply	other threads:[~2021-09-24 10:58 UTC|newest]

Thread overview: 43+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-21  9:05 [PATCH V7 0/1] Add Intel TDX support in OvmfPkg/ResetVector Min Xu
2021-09-21  9:05 ` [PATCH V7 1/1] OvmfPkg: Enable TDX in ResetVector Min Xu
2021-09-22  7:49   ` Gerd Hoffmann
2021-09-23  0:38     ` Min Xu
2021-09-23  8:48       ` Gerd Hoffmann
2021-09-23 11:39         ` Yao, Jiewen
2021-09-23 12:54           ` Brijesh Singh
2021-09-23 13:18             ` Yao, Jiewen
2021-09-23 13:19             ` [edk2-devel] " Min Xu
2021-09-23 13:38               ` Yao, Jiewen
2021-09-23 14:03                 ` Brijesh Singh
2021-09-23 14:15                   ` Min Xu
2021-09-23 14:19                     ` Yao, Jiewen
2021-09-24  5:37                       ` Gerd Hoffmann
2021-09-24  7:36                         ` Yao, Jiewen
2021-09-24  9:24                           ` Gerd Hoffmann
2021-09-24  9:55                             ` Yao, Jiewen
2021-09-24  5:28                     ` Gerd Hoffmann
2021-09-24  6:55                       ` Min Xu
2021-09-24 10:07                         ` Gerd Hoffmann
2021-09-24 10:33                           ` Yao, Jiewen
2021-09-24 14:02                             ` Gerd Hoffmann
2021-09-24 16:40                               ` Yao, Jiewen
2021-09-27  8:05                                 ` Gerd Hoffmann
2021-09-27 10:05                                   ` Yao, Jiewen
2021-09-27 14:59                                     ` Gerd Hoffmann
2021-09-28  0:21                                       ` Yao, Jiewen
2021-09-24  7:32                       ` Yao, Jiewen
2021-09-24  9:15                         ` Gerd Hoffmann
2021-09-24  4:54                 ` Gerd Hoffmann
2021-09-24  7:39                   ` Yao, Jiewen
2021-09-24  9:34                     ` Gerd Hoffmann
2021-09-24 10:11                       ` Yao, Jiewen
2021-09-24 10:38                         ` Brijesh Singh
2021-09-24 11:17                           ` Gerd Hoffmann
2021-09-24 11:29                             ` Brijesh Singh
2021-09-24 10:14                     ` Brijesh Singh
2021-09-24 10:58   ` Brijesh Singh [this message]
2021-09-25  0:03     ` Min Xu
2021-09-25  3:21       ` Brijesh Singh
2021-09-25 23:17         ` [edk2-devel] " Min Xu
2021-09-25 23:30           ` Yao, Jiewen
2021-09-27  8:44           ` Gerd Hoffmann

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