Merge branch 'linus' into irq/threaded

Conflicts:
	include/linux/irq.h
	kernel/irq/handle.c

1 files changed, 6 insertions, 0 deletions

diff --git a/kernel/irq/handle.c b/kernel/irq/handle.c
index 38b49a9e508a..d82142be8dd2 100644
--- a/kernel/irq/handle.c
+++ b/kernel/irq/handle.c
@@ -17,6 +17,7 @@
 #include <linux/kernel_stat.h>
 #include <linux/rculist.h>
 #include <linux/hash.h>
+#include <trace/irq.h>
 #include <linux/bootmem.h>
 
 #include "internals.h"
@@ -347,6 +348,9 @@ static void warn_no_thread(unsigned int irq, struct irqaction *action)
                "but no thread function available.", irq, action->name);
 }
 
+DEFINE_TRACE(irq_handler_entry);
+DEFINE_TRACE(irq_handler_exit);
+
 /**
  * handle_IRQ_event - irq action chain handler
  * @irq:        the interrupt number
@@ -365,7 +369,9 @@ irqreturn_t handle_IRQ_event(unsigned int irq, struct irqaction *action)
                 local_irq_enable_in_hardirq();
 
         do {
+                trace_irq_handler_entry(irq, action);
                 ret = action->handler(irq, action->dev_id);
+                trace_irq_handler_exit(irq, action, ret);
 
                 switch (ret) {
                 case IRQ_WAKE_THREAD: