We need to reserve a context from KVM to make sure we have our own
segment space. While we did that split for Book3S_64 already, 32 bit
is still outstanding.

So let's split it now.
Signed-off-by: NAlexander Graf <agraf@suse.de>
Acked-by: NBenjamin Herrenschmidt <benh@kernel.crashing.org>
CC: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: NAvi Kivity <avi@redhat.com>