Re: [PATCH] UefiCpuPkg/PiSmmCpuDxeSmm: Centralize mPhysicalAddressBits definition

["Yao, Jiewen" <jiewen.yao@intel.com>]

Reviewed-by: Jiewen.yao@intel.com

> -----Original Message-----
> From: Zeng, Star
> Sent: Monday, August 28, 2017 9:54 AM
> To: edk2-devel@lists.01.org
> Cc: Zeng, Star <star.zeng@intel.com>; Yao, Jiewen <jiewen.yao@intel.com>;
> Laszlo Ersek <lersek@redhat.com>; Dong, Eric <eric.dong@intel.com>
> Subject: [PATCH] UefiCpuPkg/PiSmmCpuDxeSmm: Centralize
> mPhysicalAddressBits definition
> 
> Originally (before 714c2603018a99a514c42c2b511c821f30ba9cdf),
> mPhysicalAddressBits was only defined in X64 PageTbl.c, after
> 714c2603018a99a514c42c2b511c821f30ba9cdf, mPhysicalAddressBits is
> also defined in Ia32 PageTbl.c, then mPhysicalAddressBits is used in
> ConvertMemoryPageAttributes() for address check.
> 
> This patch is to centralize mPhysicalAddressBits definition to
> PiSmmCpuDxeSmm.c from Ia32 and X64 PageTbl.c.
> 
> Cc: Jiewen Yao <jiewen.yao@intel.com>
> Cc: Laszlo Ersek <lersek@redhat.com>
> Cc: Eric Dong <eric.dong@intel.com>
> Suggested-by: Laszlo Ersek <lersek@redhat.com>
> Contributed-under: TianoCore Contribution Agreement 1.1
> Signed-off-by: Star Zeng <star.zeng@intel.com>
> ---
>  UefiCpuPkg/PiSmmCpuDxeSmm/Ia32/PageTbl.c   | 2 --
>  UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.c | 2 ++
>  UefiCpuPkg/PiSmmCpuDxeSmm/X64/PageTbl.c    | 1 -
>  3 files changed, 2 insertions(+), 3 deletions(-)
> 
> diff --git a/UefiCpuPkg/PiSmmCpuDxeSmm/Ia32/PageTbl.c
> b/UefiCpuPkg/PiSmmCpuDxeSmm/Ia32/PageTbl.c
> index e88b42d73343..f295c2ebf228 100644
> --- a/UefiCpuPkg/PiSmmCpuDxeSmm/Ia32/PageTbl.c
> +++ b/UefiCpuPkg/PiSmmCpuDxeSmm/Ia32/PageTbl.c
> @@ -16,8 +16,6 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND,
> EITHER EXPRESS OR IMPLIED.
> 
>  #include "PiSmmCpuDxeSmm.h"
> 
> -UINT8                               mPhysicalAddressBits;
> -
>  /**
>    Create PageTable for SMM use.
> 
> diff --git a/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.c
> b/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.c
> index 8e7964271125..282d2e69817c 100755
> --- a/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.c
> +++ b/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.c
> @@ -114,6 +114,8 @@ SPIN_LOCK
> *mConfigSmmCodeAccessCheckLock = NULL;
>  EFI_SMRAM_DESCRIPTOR     *mSmmCpuSmramRanges;
>  UINTN                    mSmmCpuSmramRangeCount;
> 
> +UINT8                    mPhysicalAddressBits;
> +
>  /**
>    Initialize IDT to setup exception handlers for SMM.
> 
> diff --git a/UefiCpuPkg/PiSmmCpuDxeSmm/X64/PageTbl.c
> b/UefiCpuPkg/PiSmmCpuDxeSmm/X64/PageTbl.c
> index 32385faae470..3dde80f9bad6 100644
> --- a/UefiCpuPkg/PiSmmCpuDxeSmm/X64/PageTbl.c
> +++ b/UefiCpuPkg/PiSmmCpuDxeSmm/X64/PageTbl.c
> @@ -21,7 +21,6 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND,
> EITHER EXPRESS OR IMPLIED.
> 
>  LIST_ENTRY                          mPagePool =
> INITIALIZE_LIST_HEAD_VARIABLE (mPagePool);
>  BOOLEAN                             m1GPageTableSupport = FALSE;
> -UINT8                               mPhysicalAddressBits;
>  BOOLEAN                             mCpuSmmStaticPageTable;
> 
>  /**
> --
> 2.7.0.windows.1