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linux-stable-mirror/arch/arm64/mm
Ard Biesheuvel 3648027de1 arm64: Fix 5-level paging support in kexec/hibernate trampoline
Add the missing code to allocate P4D level page tables when cloning the
the kernel page tables. This fixes a crash that may be observed when
attempting to resume from hibernation on an LPA2 capable system with 4k
pages, which therefore uses 5 levels of paging.

Presumably, kexec is equally affected.

Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Link: https://lore.kernel.org/r/20250110175145.785702-2-ardb+git@google.com
Signed-off-by: Will Deacon <will@kernel.org>
2025-02-04 12:23:09 +00:00
..
2024-11-05 13:18:35 +00:00
2024-10-04 12:04:40 +01:00