On 5/9/22 07:44, Xu, Min M wrote:
Gerd & Tom
What are your comments about this patch-set?

Hi Min,

This appears to resolve the issue. I was able to boot a 64 vCPU guest in legacy, SEV, SEV-ES and SEV-SNP modes without any asserts.

I'm assuming that you were able to see the ASSERTs on your end and validate, too?

Thanks,
Tom


-----Original Message-----
From: Xu, Min M <min.m...@intel.com>
Sent: Saturday, May 7, 2022 9:36 AM
To: devel@edk2.groups.io
Cc: Xu, Min M <min.m...@intel.com>; Dong, Eric <eric.d...@intel.com>; Ni,
Ray <ray...@intel.com>; Brijesh Singh <brijesh.si...@amd.com>; Aktas,
Erdem <erdemak...@google.com>; James Bottomley <j...@linux.ibm.com>;
Yao, Jiewen <jiewen....@intel.com>; Tom Lendacky
<thomas.lenda...@amd.com>; Gerd Hoffmann <kra...@redhat.com>
Subject: [PATCH V2 0/6] Support 2 CpuMpPei/CpuDxe in One image

BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=3918

Above BZ reports an issue that commit 88da06ca triggers ASSERT in some
scenario. This patch-set is to fix this issue.

As commit 88da06ca describes TDVF BSP and APs are simplied and it can
simply use MpInitLibUp instead of MpInitLib. To achieve this goal, we
include 2 CpuMpPei/CpuDxe drivers in OvmfPkgX64 and IntelTdxX64. This is
done by setting different FILE_GUID to these drivers (of the same name). In
the other hand, we import a set of MpInitLibDepLib. These libs simply
depend on the PPI/Protocols. While these PPI/Protocols are installed
according to the guest type.

This patch-set is a replacement of
https://edk2.groups.io/g/devel/message/89381
  - https://edk2.groups.io/g/devel/message/89382
  - https://edk2.groups.io/g/devel/message/89455
  - https://edk2.groups.io/g/devel/message/89522
  - https://edk2.groups.io/g/devel/message/89535

The code is at: https://github.com/mxu9/edk2/tree/Rework-MpInitLib.v2

v2 changes:
  - Remove the un-used FILE_GUID definitions.
  - Delete un-used EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST in
DispatchTable.
  - Add more comments.

Cc: Eric Dong <eric.d...@intel.com>
Cc: Ray Ni <ray...@intel.com>
Cc: Brijesh Singh <brijesh.si...@amd.com>
Cc: Erdem Aktas <erdemak...@google.com>
Cc: James Bottomley <j...@linux.ibm.com>
Cc: Jiewen Yao <jiewen....@intel.com>
Cc: Tom Lendacky <thomas.lenda...@amd.com>
Cc: Gerd Hoffmann <kra...@redhat.com>
Signed-off-by: Min Xu <min.m...@intel.com>

Min M Xu (4):
   UefiCpuPkg: Revert "UefiCpuPkg: Enable Tdx support in MpInitLib"
   OvmfPkg/Sec: Install MpInitLibDepLib PPIs in SecMain.c
   OvmfPkg/TdxDxe: Install MpInitLibDepLib protocols
   OvmfPkg: Enable 2 different CpuMpPei and CpuDxe drivers

Min Xu (2):
   OvmfPkg: Add MpInitLibDepLib related PPI/Protocol definitions
   OvmfPkg: Add MpInitLibDepLib

  OvmfPkg/Include/Ppi/MpInitLibDep.h            |  28 +++++
  .../Include/Protocol/MpInitLibDepProtocols.h  |  28 +++++
  OvmfPkg/IntelTdx/IntelTdxX64.dsc              |  30 ++++-
  OvmfPkg/IntelTdx/IntelTdxX64.fdf              |   3 +
  .../MpInitLibDepLib/DxeMpInitLibMpDepLib.inf  |  27
+++++  .../MpInitLibDepLib/DxeMpInitLibUpDepLib.inf  |  27
+++++  .../Library/MpInitLibDepLib/MpInitLibDepLib.c |  23
++++  .../MpInitLibDepLib/PeiMpInitLibMpDepLib.inf  |  27
+++++  .../MpInitLibDepLib/PeiMpInitLibUpDepLib.inf  |  27 +++++
  OvmfPkg/OvmfPkg.dec                           |   5 +
  OvmfPkg/OvmfPkgX64.dsc                        |  55 ++++++++-
  OvmfPkg/OvmfPkgX64.fdf                        |   4 +
  OvmfPkg/Sec/SecMain.c                         |  34 +++++-
  OvmfPkg/Sec/SecMain.inf                       |   2 +
  OvmfPkg/TdxDxe/TdxDxe.c                       |  22 +++-
  OvmfPkg/TdxDxe/TdxDxe.inf                     |   2 +
  UefiCpuPkg/Library/MpInitLib/DxeMpInitLib.inf |   3 -
  UefiCpuPkg/Library/MpInitLib/MpIntelTdx.h     |  69 ------------
  UefiCpuPkg/Library/MpInitLib/MpLib.c          |  63 +----------
  UefiCpuPkg/Library/MpInitLib/MpLibTdx.c       | 106 ------------------
  UefiCpuPkg/Library/MpInitLib/MpLibTdxNull.c   |  69 ------------
  UefiCpuPkg/Library/MpInitLib/PeiMpInitLib.inf |   3 -
  22 files changed, 343 insertions(+), 314 deletions(-)  create mode 100644
OvmfPkg/Include/Ppi/MpInitLibDep.h
  create mode 100644 OvmfPkg/Include/Protocol/MpInitLibDepProtocols.h
  create mode 100644
OvmfPkg/Library/MpInitLibDepLib/DxeMpInitLibMpDepLib.inf
  create mode 100644
OvmfPkg/Library/MpInitLibDepLib/DxeMpInitLibUpDepLib.inf
  create mode 100644 OvmfPkg/Library/MpInitLibDepLib/MpInitLibDepLib.c
  create mode 100644
OvmfPkg/Library/MpInitLibDepLib/PeiMpInitLibMpDepLib.inf
  create mode 100644
OvmfPkg/Library/MpInitLibDepLib/PeiMpInitLibUpDepLib.inf
  delete mode 100644 UefiCpuPkg/Library/MpInitLib/MpIntelTdx.h
  delete mode 100644 UefiCpuPkg/Library/MpInitLib/MpLibTdx.c
  delete mode 100644 UefiCpuPkg/Library/MpInitLib/MpLibTdxNull.c

--
2.29.2.windows.2



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