This patch should go before softlockup-use-cpu-clock.patch in the RT queue. Add extern declaration for the sched.c cpu_clock function to resolve the implicit declaration in softlockup.c. signed-off-by: Sven-Thorsten Dietrich <sven@xxxxxxxxxxxxxxxxxxxxx> Index: linux-2.6.22/include/linux/sched.h =================================================================== --- linux-2.6.22.orig/include/linux/sched.h +++ linux-2.6.22/include/linux/sched.h @@ -302,6 +302,7 @@ extern void cpu_init (void); extern void trap_init(void); extern void update_process_times(int user); extern void scheduler_tick(void); +extern unsigned long long cpu_clock(int cpu); #ifdef CONFIG_GENERIC_HARDIRQS extern int debug_direct_keyboard; - To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html