From d93c4071b78f4676ef70ec8f2d4bae59b6cc5523 Mon Sep 17 00:00:00 2001 From: Jan Beulich Date: Fri, 24 Feb 2012 11:50:27 +0000 Subject: [PATCH] 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 Link: http://lkml.kernel.org/r/4F4787930200007800074A10@nat28.tlf.novell.com Signed-off-by: Ingo Molnar --- arch/x86/include/asm/hardirq.h | 1 - arch/x86/kernel/time.c | 3 --- 2 files changed, 4 deletions(-) diff --git a/arch/x86/include/asm/hardirq.h b/arch/x86/include/asm/hardirq.h index da0b3ca815b7..382f75d735f3 100644 --- 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 index dd5fbf4101fc..c6eba2b42673 100644 --- 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 */ -- 2.30.2