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| author | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2010-02-28 08:32:18 -0800 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2010-03-01 09:29:58 +0100 |
| commit | 90a6501f94aedd7fb40f5556334843194fb598be (patch) | |
| tree | a51b58d8e72a62679f8553685dd4f6f8da4d6b33 | |
| parent | e2f4699ac15fe36de1288505bc6e6e5a8603ab1b (diff) | |
| download | linux-90a6501f94aedd7fb40f5556334843194fb598be.tar.gz linux-90a6501f94aedd7fb40f5556334843194fb598be.tar.bz2 linux-90a6501f94aedd7fb40f5556334843194fb598be.zip | |
sched, rcu: Fix rcu_dereference() for RCU-lockdep
Make rcu_dereference() of runqueue data structures be
rcu_dereference_sched().
Located-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: laijs@cn.fujitsu.com
Cc: dipankar@in.ibm.com
Cc: mathieu.desnoyers@polymtl.ca
Cc: josh@joshtriplett.org
Cc: dvhltc@us.ibm.com
Cc: niv@us.ibm.com
Cc: peterz@infradead.org
Cc: rostedt@goodmis.org
Cc: Valdis.Kletnieks@vt.edu
Cc: dhowells@redhat.com
LKML-Reference: <20100228163218.GD6846@linux.vnet.ibm.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
| -rw-r--r-- | kernel/sched_fair.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/sched_fair.c b/kernel/sched_fair.c index 3e1fd96c6cf9..5a5ea2cd924f 100644 --- a/kernel/sched_fair.c +++ b/kernel/sched_fair.c @@ -3476,7 +3476,7 @@ static void run_rebalance_domains(struct softirq_action *h) static inline int on_null_domain(int cpu) { - return !rcu_dereference(cpu_rq(cpu)->sd); + return !rcu_dereference_sched(cpu_rq(cpu)->sd); } /* |