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-rw-r--r--kernel/softirq.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/kernel/softirq.c b/kernel/softirq.c
index 918e52df090..14e1a14f94d 100644
--- a/kernel/softirq.c
+++ b/kernel/softirq.c
@@ -273,6 +273,16 @@ EXPORT_SYMBOL(do_softirq);
#endif
+/*
+ * Enter an interrupt context.
+ */
+void irq_enter(void)
+{
+ account_system_vtime(current);
+ add_preempt_count(HARDIRQ_OFFSET);
+ trace_hardirq_enter();
+}
+
#ifdef __ARCH_IRQ_EXIT_IRQS_DISABLED
# define invoke_softirq() __do_softirq()
#else