summaryrefslogtreecommitdiffstats
path: root/kernel/rcutree.c
diff options
context:
space:
mode:
Diffstat (limited to 'kernel/rcutree.c')
-rw-r--r--kernel/rcutree.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/kernel/rcutree.c b/kernel/rcutree.c
index 00c518fa34b..1e552598b55 100644
--- a/kernel/rcutree.c
+++ b/kernel/rcutree.c
@@ -157,7 +157,6 @@ unsigned long rcutorture_vernum;
/* State information for rcu_barrier() and friends. */
-static DEFINE_PER_CPU(struct rcu_head, rcu_barrier_head) = {NULL};
static atomic_t rcu_barrier_cpu_count;
static DEFINE_MUTEX(rcu_barrier_mutex);
static struct completion rcu_barrier_completion;
@@ -2282,12 +2281,11 @@ static void rcu_barrier_callback(struct rcu_head *notused)
*/
static void rcu_barrier_func(void *type)
{
- int cpu = smp_processor_id();
- struct rcu_head *head = &per_cpu(rcu_barrier_head, cpu);
struct rcu_state *rsp = type;
+ struct rcu_data *rdp = __this_cpu_ptr(rsp->rda);
atomic_inc(&rcu_barrier_cpu_count);
- rsp->call(head, rcu_barrier_callback);
+ rsp->call(&rdp->barrier_head, rcu_barrier_callback);
}
/*