On Wed, Nov 18, 2015 at 02:16:26PM +0100, Ard Biesheuvel wrote:
> Yesterday's 3-piece series is now a 7-piece series, since I spotted some other
> issues when looking at this code.
> 
> Patch #1 replaces the bogus TTBR_WRITE_THROUGH_NO_ALLOC with something that is
> more aligned with what TTBRx actually allows.
> 
> Patch #2 adds an accessor to the ID_MMFR0 system id register.
> 
> Patch #3 adds a test for the presence of the multiprocessing extensions.
> 
> Patch #4 adds the shareable bit to the TTBR config to ensure that page table
> accesses to cached memory are shareable.
> 
> Patch #5 adds a feature flag PCD that removes the shareable attribute from all
> cached mappings.
> 
> Patch #6 fixes the definition of TTBR_NON_INNER_CACHEABLE, whose name and
> value are inconsistent and incorrect, respectively
> 
> Patch #7 changes the TTBR memory attributes on systems without the
> multiprocessing extensions.

Thanks Ard, this is looking really good.
For those patches that didn't already have it:
Reviewed-by: Leif Lindholm <leif.lindh...@linaro.org>
 
> Ard Biesheuvel (7):
>   ArmPkg/ArmV7Mmu: fix write-through translation table accesses
>   ArmPkg/ArmV7Lib: add support for reading the ID_MMFR0 system register
>   ArmPkg/ArmV7Lib: add function to test for presence of MP extensions
>   ArmPkg/ArmV7Mmu: make cached translation table accesses shareable
>   ArmPkg/ArmV7Mmu: introduce feature PCD to map normal memory
>     non-shareable
>   ArmPkg/ArmV7Lib: fix definition of TTBR_NON_INNER_CACHEABLE
>   ArmPkg/ArmV7Lib: take MP extensions into account when programming TTBR
> 
>  ArmPkg/ArmPkg.dec                               |  6 ++++
>  ArmPkg/Include/Chipset/ArmV7Mmu.h               | 15 ++++++----
>  ArmPkg/Library/ArmLib/ArmV7/ArmLibSupportV7.S   |  7 +++++
>  ArmPkg/Library/ArmLib/ArmV7/ArmLibSupportV7.asm |  7 +++++
>  ArmPkg/Library/ArmLib/ArmV7/ArmV7Lib.h          | 12 ++++++++
>  ArmPkg/Library/ArmLib/ArmV7/ArmV7Lib.inf        |  3 ++
>  ArmPkg/Library/ArmLib/ArmV7/ArmV7LibPrePi.inf   |  3 ++
>  ArmPkg/Library/ArmLib/ArmV7/ArmV7Mmu.c          | 31 ++++++++++++++++++--
>  ArmPkg/Library/ArmLib/ArmV7/ArmV7Support.S      |  5 ++++
>  ArmPkg/Library/ArmLib/ArmV7/ArmV7Support.asm    |  5 ++++
>  10 files changed, 86 insertions(+), 8 deletions(-)
> 
> -- 
> 1.9.1
> 
_______________________________________________
edk2-devel mailing list
edk2-devel@lists.01.org
https://lists.01.org/mailman/listinfo/edk2-devel

Reply via email to