From: Imre Deak <imre.deak@nokia.com>

Recently the UP versions of these functions were refactored and as
a side effect it became possible to call them for the current thread.
This isn't true for the SMP versions however, so fix this up.
Signed-off-by: NImre Deak <imre.deak@nokia.com>
Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>