diff options
Diffstat (limited to 'UefiCpuPkg')
| -rw-r--r-- | UefiCpuPkg/PiSmmCpuDxeSmm/X64/PageTbl.c | 18 |
1 files changed, 4 insertions, 14 deletions
diff --git a/UefiCpuPkg/PiSmmCpuDxeSmm/X64/PageTbl.c b/UefiCpuPkg/PiSmmCpuDxeSmm/X64/PageTbl.c index 29b6125dce..d561dc1966 100644 --- a/UefiCpuPkg/PiSmmCpuDxeSmm/X64/PageTbl.c +++ b/UefiCpuPkg/PiSmmCpuDxeSmm/X64/PageTbl.c @@ -845,7 +845,7 @@ Exit: }
/**
- This function reads CR2 register when on-demand paging is enabled.
+ This function reads CR2 register.
@param[out] *Cr2 Pointer to variable to hold CR2 register value.
**/
@@ -854,16 +854,11 @@ SaveCr2 ( OUT UINTN *Cr2
)
{
- if (!mCpuSmmRestrictedMemoryAccess) {
- //
- // On-demand paging is enabled when access to non-SMRAM is not restricted.
- //
- *Cr2 = AsmReadCr2 ();
- }
+ *Cr2 = AsmReadCr2 ();
}
/**
- This function restores CR2 register when on-demand paging is enabled.
+ This function restores CR2 register.
@param[in] Cr2 Value to write into CR2 register.
**/
@@ -872,12 +867,7 @@ RestoreCr2 ( IN UINTN Cr2
)
{
- if (!mCpuSmmRestrictedMemoryAccess) {
- //
- // On-demand paging is enabled when access to non-SMRAM is not restricted.
- //
- AsmWriteCr2 (Cr2);
- }
+ AsmWriteCr2 (Cr2);
}
/**
|