[ARM SMP] Add missing SMP timer handling for realview
Until we have local timer support, we need to broadcast the
timer interrupt to the other CPUs. Also, add the missing
smp_send_timer() prototype to asm/smp.h
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/mach-realview/core.c b/arch/arm/mach-realview/core.c
index 482eb51..4ea60d8 100644
--- a/arch/arm/mach-realview/core.c
+++ b/arch/arm/mach-realview/core.c
@@ -550,6 +550,11 @@
timer_tick(regs);
+#ifdef CONFIG_SMP
+ smp_send_timer();
+ update_process_times(user_mode(regs));
+#endif
+
write_sequnlock(&xtime_lock);
return IRQ_HANDLED;
diff --git a/include/asm-arm/smp.h b/include/asm-arm/smp.h
index 551cd3c..21d1723 100644
--- a/include/asm-arm/smp.h
+++ b/include/asm-arm/smp.h
@@ -47,6 +47,11 @@
extern void smp_cross_call(cpumask_t callmap);
/*
+ * Broadcast a timer interrupt to the other CPUs.
+ */
+extern void smp_send_timer(void);
+
+/*
* Boot a secondary CPU, and assign it the specified idle task.
* This also gives us the initial stack to use for this CPU.
*/