Commit 90a6501f authored Feb 28, 2010 by Paul E. McKenney Committed by Ingo Molnar Mar 01, 2010

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>

parent e2f4699a

kernel/sched_fair.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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);
		}

		/*