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-rw-r--r--kernel/srcu.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/kernel/srcu.c b/kernel/srcu.c
index e34f2991ed4..01d5ccb8bfe 100644
--- a/kernel/srcu.c
+++ b/kernel/srcu.c
@@ -298,9 +298,8 @@ int __srcu_read_lock(struct srcu_struct *sp)
{
int idx;
+ idx = ACCESS_ONCE(sp->completed) & 0x1;
preempt_disable();
- idx = rcu_dereference_index_check(sp->completed,
- rcu_read_lock_sched_held()) & 0x1;
ACCESS_ONCE(this_cpu_ptr(sp->per_cpu_ref)->c[idx]) += 1;
smp_mb(); /* B */ /* Avoid leaking the critical section. */
ACCESS_ONCE(this_cpu_ptr(sp->per_cpu_ref)->seq[idx]) += 1;