Reviewed-by: Ray Ni <[email protected]> > -----Original Message----- > From: Tan, Dun <[email protected]> > Sent: Thursday, March 23, 2023 3:41 PM > To: [email protected] > Cc: Dong, Eric <[email protected]>; Ni, Ray <[email protected]>; Kumar, > Rahul R <[email protected]>; Gerd Hoffmann <[email protected]> > Subject: [Patch V4 05/21] UefiCpuPkg/CpuPageTableLib:Clear PageSize > bit(Bit7) for non-leaf > > Clear PageSize bit(Bit7) for non-leaf entry in PageTableLibSetPnle. > This function is used to set non-leaf entry attributes so it should > make sure that the PageSize bit of the entry should be 0. > > Signed-off-by: Dun Tan <[email protected]> > Cc: Eric Dong <[email protected]> > Cc: Ray Ni <[email protected]> > Cc: Rahul Kumar <[email protected]> > Cc: Gerd Hoffmann <[email protected]> > --- > UefiCpuPkg/Library/CpuPageTableLib/CpuPageTableMap.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/UefiCpuPkg/Library/CpuPageTableLib/CpuPageTableMap.c > b/UefiCpuPkg/Library/CpuPageTableLib/CpuPageTableMap.c > index ad68792ca8..cf0cfeca77 100644 > --- a/UefiCpuPkg/Library/CpuPageTableLib/CpuPageTableMap.c > +++ b/UefiCpuPkg/Library/CpuPageTableLib/CpuPageTableMap.c > @@ -202,7 +202,8 @@ PageTableLibSetPnle ( > Pnle->Bits.Nx = Attribute->Bits.Nx; > } > > - Pnle->Bits.Accessed = 0; > + Pnle->Bits.Accessed = 0; > + Pnle->Bits.MustBeZero = 0; > > // > // Set the attributes (WT, CD, A) to 0. > -- > 2.31.1.windows.1
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