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UefiCpuPkg/CpuDxe: fix an incorrect bit-wise operation 

BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=1164

The left operand is 64-bit but right operand could be 32-bit.
A typecast is a must because of '~' op before it.

Cc: Hao A Wu <hao.a.wu@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Jian J Wang <jian.j.wang@intel.com>
Reviewed-by: Hao Wu <hao.a.wu@intel.com>
This commit is contained in:
Jian J Wang 2018-09-08 10:43:00 +08:00
parent 51d0100b3c
commit 8e2018f944
1 changed files with 1 additions and 1 deletions
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2
UefiCpuPkg/CpuDxe/CpuPageTable.c
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@ -1181,7 +1181,7 @@ DebugExceptionHandler (
for (PFEntry = 0; PFEntry < mPFEntryCount[CpuIndex]; PFEntry++) {
if (mLastPFEntryPointer[CpuIndex][PFEntry] != NULL) {
*mLastPFEntryPointer[CpuIndex][PFEntry] &= ~IA32_PG_P;
*mLastPFEntryPointer[CpuIndex][PFEntry] &= ~(UINT64)IA32_PG_P;
}
}