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arm64: Use contiguous PTE bit for the kernel linear mapping

Catalin Marinas linux-arm-kernel 2 versions – New

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  1. v3 Latest0 of 7 patches 0 repliesNew
  2. v24 of 7 patches 0 repliesSuperseded

Patches in v3 No applies recorded yet

None of the 7 patches the cover letter announces are in this archive.

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Cover letter [PATCHv3 0/7] arm64: Use contiguous PTE bit for the kernel linear mapping
Quoted 8 lines · Jeremy Linton

Jeremy Linton (7):
arm64: Add contiguous page flag shifts and constants
arm64: PTE/PMD contiguous bit definition
arm64: Macros to check/set/unset the contiguous bit
arm64: Default kernel pages should be contiguous
arm64: Make the kernel page dump utility aware of the CONT bit
arm64: Add a kernel Kconfig option to enable contiguous PTE marking
arm64: Mark kernel page ranges contiguous

I queued the series without patch 6 (and a modification of patch 7 to get rid of the config option check). If we need this option, we can add it later but for (hardware) debugging purposes it looks to me like we can simply set PTE_CONT to 0.

Thanks.

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Catalin

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