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Diffstat (limited to 'arch/x86/kernel/irq.c')
-rw-r--r--arch/x86/kernel/irq.c8
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);