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Diffstat (limited to 'arch/x86/kernel/irq.c')
-rw-r--r--arch/x86/kernel/irq.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/x86/kernel/irq.c b/arch/x86/kernel/irq.c
index d1d4dc52f64..bce53e1352a 100644
--- a/arch/x86/kernel/irq.c
+++ b/arch/x86/kernel/irq.c
@@ -9,6 +9,7 @@
#include <asm/apic.h>
#include <asm/io_apic.h>
#include <asm/smp.h>
+#include <asm/irq.h>
atomic_t irq_err_count;
@@ -118,6 +119,9 @@ 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);
@@ -187,3 +191,5 @@ u64 arch_irq_stat(void)
#endif
return sum;
}
+
+EXPORT_SYMBOL_GPL(vector_used_by_percpu_irq);