We use PPC_SEGMENT_64B in various places to guard code that is specific
to 64-bit server processors compliant with arch 2.x. Consolidate the
logic in a helper macro with an explicit name.
Signed-off-by: Greg Kurz <groug@kaod.org>
Message-Id: <155327783157.1283071.3747129891004927299.stgit@bahia.lan>
Tested-by: Suraj Jitindar Singh <sjitindarsingh@gmail.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>