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authorEmmanuel Grumbach <emmanuel.grumbach@intel.com>2015-10-25 13:38:20 +0300
committerEmmanuel Grumbach <emmanuel.grumbach@intel.com>2015-10-25 13:38:20 +0300
commit10d15322ed26652263a579bcb59dfd49ab8a30de (patch)
treeb1497de1b8ffd34b991cdf6e21de1c7a0a65f1de /kernel/rcu/tree.c
parent0316d30ea3e66379cd30ed70a114bc282159bb4c (diff)
parente5a9f8d04660da7ef3a98260aa74c3976f9cb4cd (diff)
downloadlinux-10d15322ed26652263a579bcb59dfd49ab8a30de.tar.xz
Merge remote-tracking branch 'mac80211-next/master' into next
Diffstat (limited to 'kernel/rcu/tree.c')
-rw-r--r--kernel/rcu/tree.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c
index 9f75f25cc5d9..775d36cc0050 100644
--- a/kernel/rcu/tree.c
+++ b/kernel/rcu/tree.c
@@ -3868,6 +3868,7 @@ static void rcu_init_new_rnp(struct rcu_node *rnp_leaf)
static void __init
rcu_boot_init_percpu_data(int cpu, struct rcu_state *rsp)
{
+ static struct lock_class_key rcu_exp_sched_rdp_class;
unsigned long flags;
struct rcu_data *rdp = per_cpu_ptr(rsp->rda, cpu);
struct rcu_node *rnp = rcu_get_root(rsp);
@@ -3883,6 +3884,10 @@ rcu_boot_init_percpu_data(int cpu, struct rcu_state *rsp)
mutex_init(&rdp->exp_funnel_mutex);
rcu_boot_init_nocb_percpu_data(rdp);
raw_spin_unlock_irqrestore(&rnp->lock, flags);
+ if (rsp == &rcu_sched_state)
+ lockdep_set_class_and_name(&rdp->exp_funnel_mutex,
+ &rcu_exp_sched_rdp_class,
+ "rcu_data_exp_sched");
}
/*