sched/cputime: Fix steal time accounting vs. CPU hotplug

[karo-tx-linux.git] / kernel / sched / sched.h

diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
index b242775bf670e116233862c590915e06132485ca..0517abd7dd73b95f152f339b684328165d76f59f 100644 (file)
--- a/kernel/sched/sched.h
+++ b/kernel/sched/sched.h
@@ -1770,3 +1770,16 @@ static inline u64 irq_time_read(int cpu)
 }
 #endif /* CONFIG_64BIT */
 #endif /* CONFIG_IRQ_TIME_ACCOUNTING */
+
+static inline void account_reset_rq(struct rq *rq)
+{
+#ifdef CONFIG_IRQ_TIME_ACCOUNTING
+       rq->prev_irq_time = 0;
+#endif
+#ifdef CONFIG_PARAVIRT
+       rq->prev_steal_time = 0;
+#endif
+#ifdef CONFIG_PARAVIRT_TIME_ACCOUNTING
+       rq->prev_steal_time_rq = 0;
+#endif
+}