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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2015-10-06 15:01:52 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2015-10-06 15:01:52 +0100
commitc39b7eef7d92f5ffef1abf04227a62fa2a6a62b2 (patch)
tree00aff822e9208ab2f2ac41c6e1a0f61c6eb9b57f /kernel/rcu/tree.c
parent1e1851f9d725ff9f00d74dfc4b73d47cba57466f (diff)
parent049e6dde7e57f0054fdc49102e7ef4830c698b46 (diff)
Merge 4.3-rc4 into char-misc-next
This is needed due to the duplicated iommu stuff to help with the merge and to prevent future issues. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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");
}
/*