arm64: Support 4 levels of translation tables
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Cover letter [PATCH v7 00/11] arm64: Support 4 levels of translation tables
Quoted 16 lines · Catalin Marinas
Hi,
I've taken over Jungseok's 4-level page table series here:
https://lkml.kernel.org/g/[email protected]
I kept the same series numbering, so this is normally version 7. Changes since v6:
- Additional fixes for duplicate (SWAPPER|IDMAP)_DIR_SIZE definitions
- Removed the fixmap pmd fromswapper_pg_dirpopulated inhead.S
- Several clean-ups in Jungseok's patches (annotated above my signed-off-by line)
- Removal of the pgtable-*level-hwdef.h files
- Converting levels config options to intARM64_PGTABLE_LEVELS
Quoted 2 lines
Important change: I dropped the KVM support for 4 levels temporarily. I plan to revive them but didn't have for v7.
While you're looking at KVM, can you check if this breaks the SMMU driver too, please? We re-use the CPU page-table functions in there and, whilst it does have PUD code, a quick eyeball/test wouldn't hurt.
Will