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>
diff --git a/arch/x86/kernel/apic.c b/arch/x86/kernel/apic.c
index 16f9487..1771dd7 100644
--- a/arch/x86/kernel/apic.c
+++ b/arch/x86/kernel/apic.c
@@ -783,11 +783,7 @@
/*
* 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 @@
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();
}
diff --git a/arch/x86/kernel/smp.c b/arch/x86/kernel/smp.c
index 18f9b19..d18537c 100644
--- a/arch/x86/kernel/smp.c
+++ b/arch/x86/kernel/smp.c
@@ -178,11 +178,7 @@
void smp_reschedule_interrupt(struct pt_regs *regs)
{
ack_APIC_irq();
-#ifdef CONFIG_X86_32
- __get_cpu_var(irq_stat).irq_resched_count++;
-#else
- add_pda(irq_resched_count, 1);
-#endif
+ inc_irq_stat(irq_resched_count);
}
void smp_call_function_interrupt(struct pt_regs *regs)
@@ -190,11 +186,7 @@
ack_APIC_irq();
irq_enter();
generic_smp_call_function_interrupt();
-#ifdef CONFIG_X86_32
- __get_cpu_var(irq_stat).irq_call_count++;
-#else
- add_pda(irq_call_count, 1);
-#endif
+ inc_irq_stat(irq_call_count);
irq_exit();
}
@@ -203,11 +195,7 @@
ack_APIC_irq();
irq_enter();
generic_smp_call_function_single_interrupt();
-#ifdef CONFIG_X86_32
- __get_cpu_var(irq_stat).irq_call_count++;
-#else
- add_pda(irq_call_count, 1);
-#endif
+ inc_irq_stat(irq_call_count);
irq_exit();
}
diff --git a/arch/x86/kernel/traps.c b/arch/x86/kernel/traps.c
index 04d242a..d815293 100644
--- a/arch/x86/kernel/traps.c
+++ b/arch/x86/kernel/traps.c
@@ -481,11 +481,7 @@
{
nmi_enter();
-#ifdef CONFIG_X86_32
- { int cpu; cpu = smp_processor_id(); ++nmi_count(cpu); }
-#else
- add_pda(__nmi_count, 1);
-#endif
+ inc_irq_stat(__nmi_count);
if (!ignore_nmis)
default_do_nmi(regs);