arm64: mm: add missing P4D definitions and use them consistently

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Even though level 0, 1 and 2 descriptors share the same attribute
encodings, let's be a bit more consistent about using the right one at
the right level. So add new macros for level 0/P4D definitions, and
clean up some inconsistencies involving these macros.

Acked-by: Mark Rutland <mark.rutland@arm.com>
Reviewed-by: Anshuman Khandual <anshuman.khandual@arm.com>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Link: https://lore.kernel.org/r/20210310104942.174584-2-ardb@kernel.org
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>

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Ard Biesheuvel 2021-03-10 11:49:40 +01:00 • committed by Catalin Marinas

parent 1e28eed176

commit c1fd78a777

4 changed files with 16 additions and 7 deletions

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4

arch/arm64/include/asm/pgalloc.h

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9

arch/arm64/include/asm/pgtable-hwdef.h

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4

arch/arm64/mm/kasan_init.c

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arch/arm64/mm/mmu.c

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