x86: hardirq: introduce inc_irq_stat()

Impact: cleanup

Introduce inc_irq_stat() macro and unify irq_stat accounting code.

Signed-off-by: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 3 insertions, 10 deletions

diff --git a/arch/x86/kernel/apic.c b/arch/x86/kernel/apic.c
index 16f94879b525..1771dd746811 100644
--- a/arch/x86/kernel/apic.c
+++ b/arch/x86/kernel/apic.c
@@ -783,11 +783,7 @@ static void local_apic_timer_interrupt(void)
         /*
          * the NMI deadlock-detector uses this.
          */
-#ifdef CONFIG_X86_64
-        add_pda(apic_timer_irqs, 1);
-#else
-        per_cpu(irq_stat, cpu).apic_timer_irqs++;
-#endif
+        inc_irq_stat(apic_timer_irqs);
 
         evt->event_handler(evt);
 }
@@ -1695,14 +1691,11 @@ void smp_spurious_interrupt(struct pt_regs *regs)
         if (v & (1 << (SPURIOUS_APIC_VECTOR & 0x1f)))
                 ack_APIC_irq();
 
-#ifdef CONFIG_X86_64
-        add_pda(irq_spurious_count, 1);
-#else
+        inc_irq_stat(irq_spurious_count);
+
         /* see sw-dev-man vol 3, chapter 7.4.13.5 */
         printk(KERN_INFO "spurious APIC interrupt on CPU#%d, "
                "should never happen.\n", smp_processor_id());
-        __get_cpu_var(irq_stat).irq_spurious_count++;
-#endif
         irq_exit();
 }