BugLink: http://bugs.launchpad.net/bugs/1688505

commit ecd43afd upstream.

This is not exposed to userspace debugers yet, which can be done
independently as a seperate patch !
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Stefan Bader <stefan.bader@canonical.com>
Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@canonical.com>