From: Martin Schwidefsky <schwidefsky@de.ibm.com>

s390 bug fixes:

- Add missing i/o controls to compat ioctl translation table.

- Fix some gcc 3.4 warnings.

- Export _sb_findmap.

- Export smp_call_function_on only if CONFIG_SMP=y.

- Add safe-guard to diag10.

- Add type definition for compat_timer_t.

- Fix first argument of signal_processor_ps.