From ec405ea9fe5fdeb40824edba7082803b3e98f176 Mon Sep 17 00:00:00 2001 From: Russell King Date: Mon, 15 Nov 2010 13:38:06 +0000 Subject: [PATCH] ARM: include local timer irq stats only when local timers configured Reviewed-by: Catalin Marinas Signed-off-by: Russell King --- arch/arm/include/asm/hardirq.h | 2 ++ arch/arm/kernel/irq.c | 2 ++ arch/arm/kernel/smp.c | 24 ++++++++++++------------ 3 files changed, 16 insertions(+), 12 deletions(-) diff --git a/arch/arm/include/asm/hardirq.h b/arch/arm/include/asm/hardirq.h index 6d7485aff955..522fb23241ac 100644 --- a/arch/arm/include/asm/hardirq.h +++ b/arch/arm/include/asm/hardirq.h @@ -7,7 +7,9 @@ typedef struct { unsigned int __softirq_pending; +#ifdef CONFIG_LOCAL_TIMERS unsigned int local_timer_irqs; +#endif } ____cacheline_aligned irq_cpustat_t; #include /* Standard mappings for irq_cpustat_t above */ diff --git a/arch/arm/kernel/irq.c b/arch/arm/kernel/irq.c index 36ad3be4692a..ea29721ba348 100644 --- a/arch/arm/kernel/irq.c +++ b/arch/arm/kernel/irq.c @@ -93,6 +93,8 @@ int show_interrupts(struct seq_file *p, void *v) #endif #ifdef CONFIG_SMP show_ipi_list(p); +#endif +#ifdef CONFIG_LOCAL_TIMERS show_local_irqs(p); #endif seq_printf(p, "Err: %10lu\n", irq_err_count); diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c index 3772cfc6953a..36d4b9140dcf 100644 --- a/arch/arm/kernel/smp.c +++ b/arch/arm/kernel/smp.c @@ -403,18 +403,6 @@ void show_ipi_list(struct seq_file *p) seq_putc(p, '\n'); } -void show_local_irqs(struct seq_file *p) -{ - unsigned int cpu; - - seq_printf(p, "LOC: "); - - for_each_present_cpu(cpu) - seq_printf(p, "%10u ", irq_stat[cpu].local_timer_irqs); - - seq_putc(p, '\n'); -} - /* * Timer (local or broadcast) support */ @@ -441,6 +429,18 @@ asmlinkage void __exception do_local_timer(struct pt_regs *regs) set_irq_regs(old_regs); } + +void show_local_irqs(struct seq_file *p) +{ + unsigned int cpu; + + seq_printf(p, "LOC: "); + + for_each_present_cpu(cpu) + seq_printf(p, "%10u ", irq_stat[cpu].local_timer_irqs); + + seq_putc(p, '\n'); +} #endif #ifdef CONFIG_GENERIC_CLOCKEVENTS_BROADCAST