arm64: Introduce esr_brk_comment, esr_is_cfi_brk
As it is already used in two places, move esr_comment() to a header for
re-use, with a clearer name.
Introduce esr_is_cfi_brk() to detect kCFI BRK syndromes, currently used
by early_brk64() but soon to also be used by hypervisor code.
Signed-off-by: Pierre-Clément Tosi <ptosi@google.com>
Acked-by: Will Deacon <will@kernel.org>
Link: https://lore.kernel.org/r/20240610063244.2828978-7-ptosi@google.com
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
4 files changed
