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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>
This commit is contained in:
Jan Beulich 2012-02-24 11:50:27 +00:00 committed by Ingo Molnar
parent 10ea9d6f56
commit d93c4071b7
2 changed files with 0 additions and 4 deletions
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1
arch/x86/include/asm/hardirq.h
View File

@ -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;

3
arch/x86/kernel/time.c
View File

@ -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 */