Thanks for the feedback. I'll change the patch order in v4.

> -----Original Message-----
> From: Zeng, Star
> Sent: Thursday, October 26, 2017 2:53 PM
> To: Yao, Jiewen <jiewen....@intel.com>; Wang, Jian J <jian.j.w...@intel.com>;
> edk2-devel@lists.01.org
> Cc: Kinney, Michael D <michael.d.kin...@intel.com>; Wolman, Ayellet
> <ayellet.wol...@intel.com>; Dong, Eric <eric.d...@intel.com>; Zeng, Star
> <star.z...@intel.com>
> Subject: RE: [edk2] [PATCH v3 0/6] Implement heap guard feature
> 
> I suggest putting [3/6] at the first patch as it adds definitions that are 
> used by
> other patches.
> 
> Thanks,
> Star
> -----Original Message-----
> From: Yao, Jiewen
> Sent: Thursday, October 26, 2017 2:49 PM
> To: Wang, Jian J <jian.j.w...@intel.com>; edk2-devel@lists.01.org
> Cc: Kinney, Michael D <michael.d.kin...@intel.com>; Wolman, Ayellet
> <ayellet.wol...@intel.com>; Dong, Eric <eric.d...@intel.com>; Zeng, Star
> <star.z...@intel.com>; Yao, Jiewen <jiewen....@intel.com>
> Subject: RE: [edk2] [PATCH v3 0/6] Implement heap guard feature
> 
> That is great work. Jian.
> 
> Some suggestion for your consideration:
> 
> 0) I suggest add Laszlo to review SMM part, and add Ruiyu to review
> SMM_MEMORY_ATTRIBUTE_PROTOCOL.
> 
> 1) Would you please mention what test we have done for this feature?
> Such as OVMF/realPlatform? IA32/X64?
> 
> Have you validated NT32? Or try to enable protection? :-)
> 
> 2) Is that any dependency of this patch?
> I think there is OPENSSL wrapper reallocate() issue not resolved yet.
> 
> I suggest we check in all dependent patch at first, then check in this one.
> 
> 3) If you need submit V4, please separate
> MdeModulePkg/Include/Protocol/SmmMemoryAttribute.h from 2/6 to be a
> standalone patch. In general, an interface and an implementation are 
> separated.
> 
> 
> Thank you
> Yao Jiewen
> 
> 
> 
> > -----Original Message-----
> > From: Wang, Jian J
> > Sent: Wednesday, October 25, 2017 9:48 AM
> > To: Wang, Jian J <jian.j.w...@intel.com>; edk2-devel@lists.01.org
> > Cc: Kinney, Michael D <michael.d.kin...@intel.com>; Wolman, Ayellet
> > <ayellet.wol...@intel.com>; Yao, Jiewen <jiewen....@intel.com>; Dong,
> > Eric <eric.d...@intel.com>; Zeng, Star <star.z...@intel.com>
> > Subject: RE: [edk2] [PATCH v3 0/6] Implement heap guard feature
> >
> > Hi,
> >
> > Just a warm reminding. I didn't see any feedbacks on the v3 patch.
> > If no more comments, I'll check in the patch soon.
> >
> > Thanks,
> > Jian
> >
> > > -----Original Message-----
> > > From: edk2-devel [mailto:edk2-devel-boun...@lists.01.org] On Behalf
> > > Of Jian J Wang
> > > Sent: Monday, October 23, 2017 8:51 AM
> > > To: edk2-devel@lists.01.org
> > > Cc: Kinney, Michael D <michael.d.kin...@intel.com>; Wolman, Ayellet
> > > <ayellet.wol...@intel.com>; Yao, Jiewen <jiewen....@intel.com>;
> > > Dong, Eric <eric.d...@intel.com>; Zeng, Star <star.z...@intel.com>
> > > Subject: [edk2] [PATCH v3 0/6] Implement heap guard feature
> > >
> > > > Patch V3 changes:
> > > > a. Add new protocol gEdkiiSmmMemoryAttributeProtocolGuid to do
> > > >    memory attributes update instead of doing it directly in
> > > > SmmCore b. Fix GCC build error
> > >
> > > > Patch V2 changes:
> > > > a. Remove local variable initializer with memory copy from globals
> > > > b. Change map table dump code to use DEBUG_PAGE|DEBUG_POOL level
> > > >    message
> > > > c. Fix malfunction in 32-bit boot mode d. Add comment for the use
> > > > of mOnGuarding e. Change name of function InitializePageTableLib
> > > > to
> > > >    InitializePageTableGlobals
> > > > f. Add code in 32-bit code to bypass setting page table to
> > > > read-only g. Coding style clean-up
> > > >
> > >
> > > This feature makes use of paging mechanism to add a hidden (not
> > > present) page just before and after the allocated memory block. If
> > > the code tries to access memory outside of the allocated part, page
> > > fault exception will be triggered.
> > >
> > > This feature is disabled by default and is not recommended to enable
> > > it in production build of BIOS.
> > >
> > > Cc: Star Zeng <star.z...@intel.com>
> > > Cc: Eric Dong <eric.d...@intel.com>
> > > Cc: Jiewen Yao <jiewen....@intel.com>
> > > Cc: Michael Kinney <michael.d.kin...@intel.com>
> > > Cc: Ayellet Wolman <ayellet.wol...@intel.com>
> > > Suggested-by: Ayellet Wolman <ayellet.wol...@intel.com>
> > > Contributed-under: TianoCore Contribution Agreement 1.1
> > > Signed-off-by: Jian J Wang <jian.j.w...@intel.com>
> > >
> > > Jian J Wang (6):
> > >   MdeModulePkg/DxeCore: Implement heap guard feature for UEFI
> > >   MdeModulePkg/PiSmmCore: Implement heap guard feature for SMM
> > mode
> > >   MdeModulePkg/MdeModulePkg.dec,.uni: Add Protocol, PCDs and string
> > >     tokens
> > >   UefiCpuPkg/CpuDxe: Reduce debug message
> > >   UefiCpuPkg/PiSmmCpuDxeSmm: Disable page table protection
> > >   MdeModulePkg/DxeIpl: Enable paging for heap guard
> > >
> > >  MdeModulePkg/Core/Dxe/DxeMain.inf                  |    4 +
> > >  MdeModulePkg/Core/Dxe/Mem/HeapGuard.c              | 1184
> > > ++++++++++++++++
> > >  MdeModulePkg/Core/Dxe/Mem/HeapGuard.h              |  380
> > +++++
> > >  MdeModulePkg/Core/Dxe/Mem/Imem.h                   |   38 +-
> > >  MdeModulePkg/Core/Dxe/Mem/Page.c                   |  130 +-
> > >  MdeModulePkg/Core/Dxe/Mem/Pool.c                   |  154 +-
> > >  MdeModulePkg/Core/DxeIplPeim/DxeIpl.inf            |    1 +
> > >  MdeModulePkg/Core/DxeIplPeim/Ia32/DxeLoadFunc.c    |   29 +-
> > >  MdeModulePkg/Core/PiSmmCore/HeapGuard.c            | 1469
> > > ++++++++++++++++++++
> > >  MdeModulePkg/Core/PiSmmCore/HeapGuard.h            |  399
> > ++++++
> > >  MdeModulePkg/Core/PiSmmCore/Page.c                 |   51 +-
> > >  MdeModulePkg/Core/PiSmmCore/PiSmmCore.c            |    7 +-
> > >  MdeModulePkg/Core/PiSmmCore/PiSmmCore.h            |   81 +-
> > >  MdeModulePkg/Core/PiSmmCore/PiSmmCore.inf          |    8 +
> > >  MdeModulePkg/Core/PiSmmCore/Pool.c                 |   81 +-
> > >  MdeModulePkg/Include/Protocol/SmmMemoryAttribute.h |  136 ++
> > >  MdeModulePkg/MdeModulePkg.dec                      |   60 +
> > >  MdeModulePkg/MdeModulePkg.uni                      |   58 +
> > >  UefiCpuPkg/CpuDxe/CpuPageTable.c                   |    5 +-
> > >  UefiCpuPkg/PiSmmCpuDxeSmm/Ia32/PageTbl.c           |    7 +
> > >  UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.c         |   20 +
> > >  UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.h         |   98 ++
> > >  UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.inf       |    2 +
> > >  UefiCpuPkg/PiSmmCpuDxeSmm/SmmCpuMemoryManagement.c |  163
> > +++
> > >  UefiCpuPkg/PiSmmCpuDxeSmm/X64/PageTbl.c            |    3 +-
> > >  25 files changed, 4472 insertions(+), 96 deletions(-)  create mode
> > > 100644 MdeModulePkg/Core/Dxe/Mem/HeapGuard.c
> > >  create mode 100644 MdeModulePkg/Core/Dxe/Mem/HeapGuard.h
> > >  create mode 100644 MdeModulePkg/Core/PiSmmCore/HeapGuard.c
> > >  create mode 100644 MdeModulePkg/Core/PiSmmCore/HeapGuard.h
> > >  create mode 100644
> > MdeModulePkg/Include/Protocol/SmmMemoryAttribute.h
> > >
> > > --
> > > 2.14.1.windows.1
> > >
> > > _______________________________________________
> > > edk2-devel mailing list
> > > edk2-devel@lists.01.org
> > > https://lists.01.org/mailman/listinfo/edk2-devel
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