[ Upstream commit b13e8bf615fe26fb6a6dfe1b5a1c65e1624dfee2 ] Wire up TIF_NOTIFY_SIGNAL handling for nds32. Cc: Nick Hu <nickhu@andestech.com> Cc: Greentime Hu <green.hu@gmail.com> Cc: Vincent Chen <deanbo422@gmail.com> Signed-off-by: Jens Axboe <axboe@kernel.dk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>