In the V6 patch set:
In 'MdeModulePkg: Remove other attribute protection in UnsetGuardPage', add code to apply EFI_MEMORY_XP to the guarded page to be freed in UnsetGuardPage() if it happens after SmmReadyToLock.
Only resend the patches in MdeModulePkg and OvmfPkg for further review. Other patches in UefiCpuPkg has been reviewed-by Ray.
Dun Tan (14):
OvmfPkg:Remove code that apply AddressEncMask to non-leaf entry
MdeModulePkg: Remove other attribute protection in UnsetGuardPage
UefiCpuPkg: Use CpuPageTableLib to convert SMM paging attribute.
UefiCpuPkg: Add DEBUG_CODE for special case when clear RP
UefiCpuPkg/PiSmmCpuDxeSmm: Avoid setting non-present range to RO/NX
UefiCpuPkg/PiSmmCpuDxeSmm: Add 2 function to disable/enable CR0.WP
UefiCpuPkg/PiSmmCpuDxeSmm: Clear CR0.WP before modify page table
UefiCpuPkg: Extern mSmmShadowStackSize in PiSmmCpuDxeSmm.h
UefiCpuPkg: Add GenSmmPageTable() to create smm page table
UefiCpuPkg: Use GenSmmPageTable() to create Smm S3 page table
UefiCpuPkg: Sort mSmmCpuSmramRanges in FindSmramInfo
UefiCpuPkg: Sort mProtectionMemRange when ReadyToLock
UefiCpuPkg: Refinement to smm runtime InitPaging() code
UefiCpuPkg/PiSmmCpuDxeSmm: Remove unnecessary function
MdeModulePkg/Core/PiSmmCore/HeapGuard.c | 16 +++++++++++++++-
OvmfPkg/Library/BaseMemEncryptSevLib/X64/PeiDxeVirtualMemory.c | 6 +++---
UefiCpuPkg/PiSmmCpuDxeSmm/Ia32/PageTbl.c | 5 +++--
UefiCpuPkg/PiSmmCpuDxeSmm/Ia32/SmmFuncsArch.c | 3 +--
UefiCpuPkg/PiSmmCpuDxeSmm/Ia32/SmmProfileArch.c | 2 +-
UefiCpuPkg/PiSmmCpuDxeSmm/MpService.c | 132 ------------------------------------------------------------------------------------------------------------------------------------
UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.c | 40 ++++++++++++++++++++++++++++++++++++++--
UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.h | 121 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++-------------------------------
UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.inf | 1 +
UefiCpuPkg/PiSmmCpuDxeSmm/SmmCpuMemoryManagement.c | 795 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
UefiCpuPkg/PiSmmCpuDxeSmm/SmmProfile.c | 324 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
UefiCpuPkg/PiSmmCpuDxeSmm/X64/PageTbl.c | 229 ++++++++++++++++++++++++++++++++-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
UefiCpuPkg/PiSmmCpuDxeSmm/X64/SmmFuncsArch.c | 3 +--
UefiCpuPkg/PiSmmCpuDxeSmm/X64/SmmProfileArch.c | 20 ++++----------------
14 files changed, 682 insertions(+), 1015 deletions(-)
--
2.31.1.windows.1
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