x86/time: Eliminate unused irq0_irqs counter

As of v2.6.38 this counter is being maintained without ever being read. Signed-off-by: Jan Beulich <jbeulich@suse.com> Link: http://lkml.kernel.org/r/4F4787930200007800074A10@nat28.tlf.novell.com Signed-off-by: Ingo Molnar <mingo@elte.hu>
git-mirror · Feb 27, 2012 · d93c407 · d93c407
1 parent 10ea9d6
commit d93c407
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diff --git a/arch/x86/include/asm/hardirq.h b/arch/x86/include/asm/hardirq.h
@@ -7,7 +7,6 @@
 typedef struct {
 	unsigned int __softirq_pending;
 	unsigned int __nmi_count;	/* arch dependent */
-	unsigned int irq0_irqs;
 #ifdef CONFIG_X86_LOCAL_APIC
 	unsigned int apic_timer_irqs;	/* arch dependent */
 	unsigned int irq_spurious_count;

diff --git a/arch/x86/kernel/time.c b/arch/x86/kernel/time.c
@@ -57,9 +57,6 @@ EXPORT_SYMBOL(profile_pc);
  */
 static irqreturn_t timer_interrupt(int irq, void *dev_id)
 {
-	/* Keep nmi watchdog up to date */
-	inc_irq_stat(irq0_irqs);
-
 	global_clock_event->event_handler(global_clock_event);
 
 	/* MCA bus quirk: Acknowledge irq0 by setting bit 7 in port 0x61 */