Re: [edk2-devel] [Patch V2 0/3] Fix potential issue in CpuPageTableLib and SMM page table initialization

["Ni, Ray" <ray.ni@intel.com>]

Merged through
https://github.com/tianocore/edk2/pull/5347

Thanks,
Ray
> -----Original Message-----
> From: devel@edk2.groups.io <devel@edk2.groups.io> On Behalf Of Wu,
> Jiaxin
> Sent: Tuesday, February 6, 2024 12:53 PM
> To: devel@edk2.groups.io; Tan, Dun <dun.tan@intel.com>
> Subject: Re: [edk2-devel] [Patch V2 0/3] Fix potential issue in CpuPageTableLib
> and SMM page table initialization
> 
> Series Reviewed-by: Jiaxin Wu <jiaxin.wu@intel.com>
> 
> 
> > -----Original Message-----
> > From: devel@edk2.groups.io <devel@edk2.groups.io> On Behalf Of duntan
> > Sent: Tuesday, February 6, 2024 9:58 AM
> > To: devel@edk2.groups.io
> > Subject: [edk2-devel] [Patch V2 0/3] Fix potential issue in CpuPageTableLib
> > and SMM page table initialization
> >
> > In V2 patch set, only the order of 2 lines of code was adjusted.
> >
> > Original description:
> > This patch set is to fix potential issue in CpuPageTableLib and SMM page
> table
> > initialization
> >
> > The first patch "UefiCpuPkg: Reduce and optimize access to attribute" is to
> > reduce and optimize access to
> > attribute in page table modification code in CpuPageTableLib.
> >
> > The patch "UefiCpuPkg: Add more Paging mode enumeration" and "
> > UefiCpuPkg/PiSmmCpuDxeSmm:Map SMRAM in 4K page granularity"
> > is to map SMRAM in 4K page granularity during SMM page table
> > initialization(SmmInitPageTable).
> > This is to avoid the SMRAM paging-structure layout change(page split) when
> > SMM ready to lock (PerformRemainingTasks).
> >
> > Dun Tan (2):
> >   UefiCpuPkg: Add more Paging mode enumeration
> >   UefiCpuPkg/PiSmmCpuDxeSmm:Map SMRAM in 4K page granularity
> >
> > Zhou Jianfeng (1):
> >   UefiCpuPkg: Reduce and optimize access to attribute
> >
> >  UefiCpuPkg/Include/Library/CpuPageTableLib.h         |   8 +++++++-
> >  UefiCpuPkg/Library/CpuPageTableLib/CpuPageTableMap.c |  86
> > +++++++++++++++++++++++++++++++++++++++++++++++++++++-------
> --
> > ------------------------
> >  UefiCpuPkg/PiSmmCpuDxeSmm/SmmCpuMemoryManagement.c   | 116
> >
> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> > ++++++++++++++++++++++++++++++++++------------------------
> >  3 files changed, 152 insertions(+), 58 deletions(-)
> >
> > --
> > 2.31.1.windows.1
> >
> >
> >
> >
> >
> 
> 
> 
> 
> 



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