diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/rcu/rcutorture.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/kernel/rcu/rcutorture.c b/kernel/rcu/rcutorture.c index 456185d9e6c0..8654e99bd4a3 100644 --- a/kernel/rcu/rcutorture.c +++ b/kernel/rcu/rcutorture.c @@ -3044,11 +3044,12 @@ static void rcu_torture_barrier_cbf(struct rcu_head *rcu) } /* IPI handler to get callback posted on desired CPU, if online. */ -static void rcu_torture_barrier1cb(void *rcu_void) +static int rcu_torture_barrier1cb(void *rcu_void) { struct rcu_head *rhp = rcu_void; cur_ops->call(rhp, rcu_torture_barrier_cbf); + return 0; } /* kthread function to register callbacks used to test RCU barriers. */ @@ -3074,11 +3075,9 @@ static int rcu_torture_barrier_cbs(void *arg) * The above smp_load_acquire() ensures barrier_phase load * is ordered before the following ->call(). */ - if (smp_call_function_single(myid, rcu_torture_barrier1cb, - &rcu, 1)) { - // IPI failed, so use direct call from current CPU. + if (smp_call_on_cpu(myid, rcu_torture_barrier1cb, &rcu, 1)) cur_ops->call(&rcu, rcu_torture_barrier_cbf); - } + if (atomic_dec_and_test(&barrier_cbs_count)) wake_up(&barrier_wq); } while (!torture_must_stop()); |