ARM: include local timer irq stats only when local timers configured

Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

arch/arm/include/asm/hardirq.h

@@ -7,7 +7,9 @@
 
 typedef struct {
 	unsigned int __softirq_pending;
+#ifdef CONFIG_LOCAL_TIMERS
 	unsigned int local_timer_irqs;
+#endif
 } ____cacheline_aligned irq_cpustat_t;
 
 #include <linux/irq_cpustat.h>	/* Standard mappings for irq_cpustat_t above */

arch/arm/kernel/irq.c

@@ -93,6 +93,8 @@ int show_interrupts(struct seq_file *p, void *v)
 #endif
 #ifdef CONFIG_SMP
 		show_ipi_list(p);
+#endif
+#ifdef CONFIG_LOCAL_TIMERS
 		show_local_irqs(p);
 #endif
 		seq_printf(p, "Err: %10lu\n", irq_err_count);

arch/arm/kernel/smp.c

@@ -403,18 +403,6 @@ void show_ipi_list(struct seq_file *p)
 	seq_putc(p, '\n');
 }
 
-void show_local_irqs(struct seq_file *p)
-{
-	unsigned int cpu;
-
-	seq_printf(p, "LOC: ");
-
-	for_each_present_cpu(cpu)
-		seq_printf(p, "%10u ", irq_stat[cpu].local_timer_irqs);
-
-	seq_putc(p, '\n');
-}
-
 /*
  * Timer (local or broadcast) support
  */
@@ -441,6 +429,18 @@ asmlinkage void __exception do_local_timer(struct pt_regs *regs)
 
 	set_irq_regs(old_regs);
 }
+
+void show_local_irqs(struct seq_file *p)
+{
+	unsigned int cpu;
+
+	seq_printf(p, "LOC: ");
+
+	for_each_present_cpu(cpu)
+		seq_printf(p, "%10u ", irq_stat[cpu].local_timer_irqs);
+
+	seq_putc(p, '\n');
+}
 #endif
 
 #ifdef CONFIG_GENERIC_CLOCKEVENTS_BROADCAST