Signed-off-by: Thomas Gleixner <t...@linutronix.de>

diff --git a/include/linux/hardirq.h b/include/linux/hardirq.h
index f6f25fab34cb..adfd98b8a468 100644
--- a/include/linux/hardirq.h
+++ b/include/linux/hardirq.h
@@ -41,6 +41,17 @@ extern void rcu_nmi_exit(void);
        } while (0)
 
 /*
+ * Like __irq_enter() without time accounting for fast
+ * interrupts, e.g. reschedule IPI where time accounting
+ * is more expensive than the actual interrupt.
+ */
+#define __irq_enter_raw()                              \
+       do {                                            \
+               preempt_count_add(HARDIRQ_OFFSET);      \
+               lockdep_hardirq_enter();                \
+       } while (0)
+
+/*
  * Enter irq context (on NO_HZ, update jiffies):
  */
 void irq_enter(void);
@@ -60,6 +71,15 @@ void irq_enter_rcu(void);
        } while (0)
 
 /*
+ * Like __irq_exit() without time accounting
+ */
+#define __irq_exit_raw()                               \
+       do {                                            \
+               lockdep_hardirq_exit();                 \
+               preempt_count_sub(HARDIRQ_OFFSET);      \
+       } while (0)
+
+/*
  * Exit irq context and process softirqs if needed:
  */
 void irq_exit(void);

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