From: Taylor Beebe <t@taylorbeebe.com>

REF:https://bugzilla.tianocore.org/show_bug.cgi?id=3869

A split page should always have the RW and P attributes set so the lowest level page frame
determines the access rights as detailed in 4.10.2.2 of the Intel 64 and IA-32 Architectures
Software Developer’s Manual.

Cc: Eric Dong <eric.dong@intel.com>
Cc: Ray Ni <ray.ni@intel.com>
Cc: Rahul Kumar <rahul1.kumar@intel.com>

Taylor Beebe (1):
  UefiCpuPkg: CpuDxe: Set RW and P Attributes on Split Pages

 UefiCpuPkg/CpuDxe/CpuPageTable.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

-- 
2.32.0.windows.2



-=-=-=-=-=-=-=-=-=-=-=-
Groups.io Links: You receive all messages sent to this group.
View/Reply Online (#90541): https://edk2.groups.io/g/devel/message/90541
Mute This Topic: https://groups.io/mt/91786435/1787277
Group Owner: devel+owner@edk2.groups.io
Unsubscribe: https://edk2.groups.io/g/devel/unsub [importer@patchew.org]
-=-=-=-=-=-=-=-=-=-=-=-

Reminder to review

On 6/15/2022 2:23 PM, Taylor Beebe wrote:
> From: Taylor Beebe <t@taylorbeebe.com>
> 
> REF:https://bugzilla.tianocore.org/show_bug.cgi?id=3869
> 
> A split page should always have the RW and P attributes set so the lowest level page frame
> determines the access rights as detailed in 4.10.2.2 of the Intel 64 and IA-32 Architectures
> Software Developer’s Manual.
> 
> Cc: Eric Dong <eric.dong@intel.com>
> Cc: Ray Ni <ray.ni@intel.com>
> Cc: Rahul Kumar <rahul1.kumar@intel.com>
> 
> Taylor Beebe (1):
>    UefiCpuPkg: CpuDxe: Set RW and P Attributes on Split Pages
> 
>   UefiCpuPkg/CpuDxe/CpuPageTable.c | 6 ++++--
>   1 file changed, 4 insertions(+), 2 deletions(-)
> 


-=-=-=-=-=-=-=-=-=-=-=-
Groups.io Links: You receive all messages sent to this group.
View/Reply Online (#90721): https://edk2.groups.io/g/devel/message/90721
Mute This Topic: https://groups.io/mt/91786435/1787277
Group Owner: devel+owner@edk2.groups.io
Unsubscribe: https://edk2.groups.io/g/devel/unsub [importer@patchew.org]
-=-=-=-=-=-=-=-=-=-=-=-