diff options
Diffstat (limited to 'arch/x86/kernel/irq.c')
| -rw-r--r-- | arch/x86/kernel/irq.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/arch/x86/kernel/irq.c b/arch/x86/kernel/irq.c index d92bc71e41a..22f650db917 100644 --- a/arch/x86/kernel/irq.c +++ b/arch/x86/kernel/irq.c @@ -5,10 +5,11 @@ #include <linux/interrupt.h> #include <linux/kernel_stat.h> #include <linux/seq_file.h> +#include <linux/smp.h> #include <asm/apic.h> #include <asm/io_apic.h> -#include <asm/smp.h> +#include <asm/irq.h> atomic_t irq_err_count; @@ -122,6 +123,9 @@ int show_interrupts(struct seq_file *p, void *v) } desc = irq_to_desc(i); + if (!desc) + return 0; + spin_lock_irqsave(&desc->lock, flags); #ifndef CONFIG_SMP any_count = kstat_irqs(i); @@ -192,3 +196,5 @@ u64 arch_irq_stat(void) #endif return sum; } + +EXPORT_SYMBOL_GPL(vector_used_by_percpu_irq); |