[edk2-devel] [PATCH V2 0/6] Support 2 CpuMpPei/CpuDxe in One image

Mon May 9 17:29:34 UTC 2022

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.xu at intel.com>
>> Sent: Saturday, May 7, 2022 9:36 AM
>> To: devel at edk2.groups.io
>> Cc: Xu, Min M <min.m.xu at intel.com>; Dong, Eric <eric.dong at intel.com>; Ni,
>> Ray <ray.ni at intel.com>; Brijesh Singh <brijesh.singh at amd.com>; Aktas,
>> Erdem <erdemaktas at google.com>; James Bottomley <jejb at linux.ibm.com>;
>> Yao, Jiewen <jiewen.yao at intel.com>; Tom Lendacky
>> <thomas.lendacky at amd.com>; Gerd Hoffmann <kraxel at 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.dong at intel.com>
>> Cc: Ray Ni <ray.ni at intel.com>
>> Cc: Brijesh Singh <brijesh.singh at amd.com>
>> Cc: Erdem Aktas <erdemaktas at google.com>
>> Cc: James Bottomley <jejb at linux.ibm.com>
>> Cc: Jiewen Yao <jiewen.yao at intel.com>
>> Cc: Tom Lendacky <thomas.lendacky at amd.com>
>> Cc: Gerd Hoffmann <kraxel at redhat.com>
>> Signed-off-by: Min Xu <min.m.xu at 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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