arm64: Handle 4 level page table for swapper

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At the moment, we only support maximum of 3-level page table for
swapper. With 48bit VA, 64K has only 3 levels and 4K uses section
mapping. Add support for 4-level page table for swapper, needed
by 16K pages.

Cc: Will Deacon <will.deacon@arm.com>
Signed-off-by: Suzuki K. Poulose <suzuki.poulose@arm.com>
Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Tested-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>

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Suzuki K. Poulose 2015-10-19 14:19:31 +01:00 • committed by Catalin Marinas

parent c265af51c5

commit 6a3fd4026c

1 changed files with 4 additions and 1 deletions

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arch/arm64/kernel/head.S

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