lkml.org 
[lkml]   [2012]   [Feb]   [24]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
Subject[PATCH] x86: eliminate unused irq0_irqs counter
As of 2.6.38 this counter is being maintained without ever being read.

Signed-off-by: Jan Beulich <jbeulich@suse.com>

---
arch/x86/include/asm/hardirq.h | 1 -
arch/x86/kernel/time.c | 3 ---
2 files changed, 4 deletions(-)
--- 3.3-rc4/arch/x86/include/asm/hardirq.h
+++ 3.3-rc4-x86-no-irq0_irqs/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;
--- 3.3-rc4/arch/x86/kernel/time.c
+++ 3.3-rc4-x86-no-irq0_irqs/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 */




\
 
 \ /
  Last update: 2012-02-24 12:53    [W:0.037 / U:0.020 seconds]
©2003-2014 Jasper Spaans. Advertise on this site