The comment above the code says that we are checking both the current node and
the parent node to see if a grace period is in progress. Change the code
accordingly.
Signed-off-by: Pranith Kumar <bobby.pr...@gmail.com>
---
kernel/rcu/tree.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c
index f1ba773..b632189 100644
--- a/kernel/rcu/tree.c
+++ b/kernel/rcu/tree.c
@@ -1227,7 +1227,7 @@ rcu_start_future_gp(struct rcu_node *rnp, struct rcu_data
*rdp,
* need to explicitly start one.
*/
if (rnp->gpnum != rnp->completed ||
- ACCESS_ONCE(rnp->gpnum) != ACCESS_ONCE(rnp->completed)) {
+ ACCESS_ONCE(rnp_root->gpnum) != ACCESS_ONCE(rnp_root->completed)) {
rnp->need_future_gp[c & 0x1]++;
trace_rcu_future_gp(rnp, rdp, c, TPS("Startedleaf"));
goto out;
--
1.9.1
--
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