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UefiCpuPkg PiSmmCpuDxeSmm: Remove redundant code to set IDT range to RO 

AllocateCodePages() is used to allocate buffer for IDT range,
the code pages will be set to RO in SetMemMapAttributes(),
then the code to set IDT range to RO in PatchGdtIdtMap() is
redundant and could be removed.

Cc: Jiewen Yao <jiewen.yao@intel.com>
Cc: Jian J Wang <jian.j.wang@intel.com>
Cc: Eric Dong <eric.dong@intel.com>
Cc: Laszlo Ersek <lersek@redhat.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>
This commit is contained in:
Star Zeng 2018-01-12 12:59:03 +08:00
parent 6e601a4109
commit fe90d0d2ad
1 changed files with 4 additions and 5 deletions
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9
UefiCpuPkg/PiSmmCpuDxeSmm/SmmCpuMemoryManagement.c
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@ -803,11 +803,10 @@ PatchGdtIdtMap (
BaseAddress = gcSmiIdtr.Base;
Size = ALIGN_VALUE(gcSmiIdtr.Limit + 1, SIZE_4KB);
SmmSetMemoryAttributes (
BaseAddress,
Size,
EFI_MEMORY_RO
);
//
// The range should have been set to RO
// if it is allocated with EfiRuntimeServicesCode.
//
SmmSetMemoryAttributes (
BaseAddress,
Size,