For some ARM64 cores there is a facility that allows the page
table walker to track the dirty state of a page. These commits
enhances the performance of CMOs by VA.
Marc Zyngier (2):
arm64: Use FEAT_HAFDBS to track dirty pages when available
arm64: Use level-2 for largest block mappings when FEAT_HAFDBS is
present
meitao (1):
armv8: enable HAFDBS for other ELx when FEAT_HAFDBS is present
arch/arm/cpu/armv8/cache_v8.c | 30 +++++++++++++++++++++++++++---
arch/arm/include/asm/armv8/mmu.h | 20 ++++++++++++++++----
arch/arm/include/asm/global_data.h | 2 ++
3 files changed, 45 insertions(+), 7 deletions(-)
--
2.39.2
