tree 4b5b859adaad022e80f6140f4bd62d02b470c0e1
parent 7ac8d5b2423cc0112ac2519276610865142a577b
author Ard Biesheuvel <ardb@kernel.org> 1707913755 +0100
committer Catalin Marinas <catalin.marinas@arm.com> 1708087358 +0000

arm64: mm: Wire up TCR.DS bit to PTE shareability fields

When LPA2 is enabled, bits 8 and 9 of page and block descriptors become
part of the output address instead of carrying shareability attributes
for the region in question.

So avoid setting these bits if TCR.DS == 1, which means LPA2 is enabled.

Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Link: https://lore.kernel.org/r/20240214122845.2033971-74-ardb+git@google.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>