Document both the restriction on VM_MTE_ALLOWED mappings and
the relaxation for shared mappings.
Signed-off-by: NPeter Collingbourne <pcc@google.com>
Acked-by: NCatalin Marinas <catalin.marinas@arm.com>
Reviewed-by: NCornelia Huck <cohuck@redhat.com>
Signed-off-by: NMarc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20221104011041.290951-9-pcc@google.com