[PATCH] tick-management: broadcast functionality

[powerpc.git] / kernel / softirq.c

diff --git a/kernel/softirq.c b/kernel/softirq.c
index 918e52d..14e1a14 100644 (file)
--- 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