net: openvswitch: use hlist_for_each_entry_rcu instead of hlist_for_each_entry (64948427) · Commits · 戴 / test

The struct sw_flow is protected by RCU, when traversing them, use hlist_for_each_entry_rcu. Signed-off-by:

net/openvswitch/flow_table.c

+6 −4

Original line number	Diff line number	Diff line
		@@ -462,12 +462,14 @@ static void flow_table_copy_flows(struct table_instance *old,
		struct hlist_head *head = &old->buckets[i];

		if (ufid)
		hlist_for_each_entry(flow, head,
		ufid_table.node[old_ver])
		hlist_for_each_entry_rcu(flow, head,
		ufid_table.node[old_ver],
		lockdep_ovsl_is_held())
		ufid_table_instance_insert(new, flow);
		else
		hlist_for_each_entry(flow, head,
		flow_table.node[old_ver])
		hlist_for_each_entry_rcu(flow, head,
		flow_table.node[old_ver],
		lockdep_ovsl_is_held())
		table_instance_insert(new, flow);
		}