[PATCH] uninline irq_enter()

Uninline irq_enter().  [dynticks adds more stuff to it]

No functional changes.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: john stultz <johnstul@us.ibm.com>
Cc: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

2 files changed, 11 insertions, 6 deletions

diff --git a/include/linux/hardirq.h b/include/linux/hardirq.h
index 612472aaa79c..6f657d7f2d04 100644
--- a/include/linux/hardirq.h
+++ b/include/linux/hardirq.h
@@ -106,12 +106,7 @@ static inline void account_system_vtime(struct task_struct *tsk)
  * always balanced, so the interrupted value of ->hardirq_context
  * will always be restored.
  */
-#define irq_enter()                                     \
-        do {                                            \
-                account_system_vtime(current);          \
-                add_preempt_count(HARDIRQ_OFFSET);      \
-                trace_hardirq_enter();                  \
-        } while (0)
+extern void irq_enter(void);
 
 /*
  * Exit irq context without processing softirqs:
diff --git a/kernel/softirq.c b/kernel/softirq.c
index 918e52df090e..14e1a14f94d2 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