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* [PATCH] sched: Use RCU variant of list traversal in for_each_leaf_rt_rq()
@ 2008-12-15  6:26 Bharata B Rao
  2008-12-16 20:39 ` Ingo Molnar
  0 siblings, 1 reply; 3+ messages in thread
From: Bharata B Rao @ 2008-12-15  6:26 UTC (permalink / raw)
  To: linux-kernel; +Cc: Peter Zijlstra, Ingo Molnar

sched: Use RCU variant of list traversal in for_each_leaf_rt_rq()

for_each_leaf_rt_rq() walks an RCU protected list (rq->leaf_rt_rq_list),
but doesn't use list_for_each_entry_rcu(). Fix this.

Signed-off-by: Bharata B Rao <bharata@linux.vnet.ibm.com>
---
 kernel/sched_rt.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/kernel/sched_rt.c
+++ b/kernel/sched_rt.c
@@ -77,7 +77,7 @@ static inline u64 sched_rt_period(struct
 }
 
 #define for_each_leaf_rt_rq(rt_rq, rq) \
-	list_for_each_entry(rt_rq, &rq->leaf_rt_rq_list, leaf_rt_rq_list)
+	list_for_each_entry_rcu(rt_rq, &rq->leaf_rt_rq_list, leaf_rt_rq_list)
 
 static inline struct rq *rq_of_rt_rq(struct rt_rq *rt_rq)
 {

Regards,
Bharata.

^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2008-12-17  2:35 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
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2008-12-15  6:26 [PATCH] sched: Use RCU variant of list traversal in for_each_leaf_rt_rq() Bharata B Rao
2008-12-16 20:39 ` Ingo Molnar
2008-12-17  2:34   ` Bharata B Rao

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