summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--kernel/rcu/tree.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c
index a4277c1087d9..439228b79811 100644
--- a/kernel/rcu/tree.c
+++ b/kernel/rcu/tree.c
@@ -1246,9 +1246,9 @@ static void record_gp_stall_check_time(struct rcu_state *rsp)
unsigned long j1;
rsp->gp_start = j;
- smp_wmb(); /* Record start time before stall time. */
j1 = rcu_jiffies_till_stall_check();
- WRITE_ONCE(rsp->jiffies_stall, j + j1);
+ /* Record ->gp_start before ->jiffies_stall. */
+ smp_store_release(&rsp->jiffies_stall, j + j1); /* ^^^ */
rsp->jiffies_resched = j + j1 / 2;
rsp->n_force_qs_gpstart = READ_ONCE(rsp->n_force_qs);
}