audk/ArmPkg/Library/ArmMmuLib
Ard Biesheuvel d5788777bc ArmPkg/ArmMmuLib AARCH64: get rid of needless TLB invalidation
Currently, we always invalidate the TLBs entirely after making
any modification to the page tables. Now that we have introduced
strict memory permissions in quite a number of places, such
modifications occur much more often, and it is better for performance
to flush only those TLB entries that are actually affected by
the changes.

At the same time, relax some system wide data synchronization barriers
to non-shared. When running in UEFI, we don't share virtual address
translations with other masters, unless we are running under virt, but
in that case, the host will upgrade them as appropriate (by setting
an override at EL2)

Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>
2019-01-29 11:24:02 +01:00
..
AArch64 ArmPkg/ArmMmuLib AARCH64: get rid of needless TLB invalidation 2019-01-29 11:24:02 +01:00
Arm ArmPkg/ArmMmuLib ARM: trim high memory regions instead of rejecting them 2019-01-28 20:01:45 +01:00
ArmMmuBaseLib.inf ArmPkg/ArmMmuLib: take the CPU supported maximum PA space into account 2018-11-29 18:54:59 +01:00
ArmMmuPeiLib.inf ArmPkg/ArmMmuLib: take the CPU supported maximum PA space into account 2018-11-29 18:54:59 +01:00