[edk2-devel] [PATCH v2 15/17] MdePkg: Update MemoryAttributesTable to v2.10

[Leif Lindholm]

On Wed, Mar 29, 2023 at 18:47:50 +0200, Ard Biesheuvel wrote:
> On Mon, 27 Mar 2023 at 15:30, Leif Lindholm <quic_llindhol at 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 <ardb at kernel.org>
> > > Reviewed-by: Michael D Kinney <michael.d.kinney at intel.com>
> > > Acked-by: Michael Kubacki <michael.kubacki at 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.

Ah, good.
With that fixed, for 15 and 17:
Reviewed-by: Leif Lindholm <quic_llindhol at quicinc.com>

/
    Leif


> 
> 
> 
> 


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