On Mon, 27 Mar 2023 at 15:30, Leif Lindholm <quic_llind...@quicinc.com> wrote:
>
> On Mon, Mar 27, 2023 at 13:01:10 +0200, Ard Biesheuvel wrote:
> > UEFI v2.10 introduces a new flag to the memory attributes table to
> > inform the OS whether or not runtime services code regions were emitted
> > by the compiler with guard instructions for forward edge control flow
> > integrity enforcement.
> >
> > So update our definition accordingly.
> >
> > Link: 
> > https://uefi.org/specs/UEFI/2.10/04_EFI_System_Table.html#efi-memory-attributes-table
> > Signed-off-by: Ard Biesheuvel <a...@kernel.org>
> > Reviewed-by: Michael D Kinney <michael.d.kin...@intel.com>
> > Acked-by: Michael Kubacki <michael.kuba...@microsoft.com>
> > ---
> >  MdePkg/Include/Guid/MemoryAttributesTable.h | 8 ++++++--
> >  1 file changed, 6 insertions(+), 2 deletions(-)
> >
> > diff --git a/MdePkg/Include/Guid/MemoryAttributesTable.h 
> > b/MdePkg/Include/Guid/MemoryAttributesTable.h
> > index 82f83a67b96d38c5..238c14ff92dfed31 100644
> > --- a/MdePkg/Include/Guid/MemoryAttributesTable.h
> > +++ b/MdePkg/Include/Guid/MemoryAttributesTable.h
> > @@ -17,11 +17,15 @@ typedef struct {
> >    UINT32    Version;
> >    UINT32    NumberOfEntries;
> >    UINT32    DescriptorSize;
> > -  UINT32    Reserved;
> > +  UINT32    Flags;
>
> Does this not cause a bisect breakage vs patch 17?
>

Yeah, rebase error - this change should update the reference to
Reserved as well in
MdeModulePkg/Core/Dxe/Misc/MemoryAttributesTable.c, and patch 17/17
should only change the value that gets assigned to it.


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