diff options
| -rw-r--r-- | net/openvswitch/datapath.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/net/openvswitch/datapath.c b/net/openvswitch/datapath.c index 631a03136fa1..4fc5d0bebd85 100644 --- a/net/openvswitch/datapath.c +++ b/net/openvswitch/datapath.c @@ -1532,6 +1532,12 @@ static int ovs_flow_cmd_dump(struct sk_buff *skb, struct netlink_callback *cb) return -ENODEV; } + /* + * Not needed for safety. Stops every spin_unlock_bh() in + * ovs_flow_stats_get() from running the softirq backlog. + */ + local_bh_disable(); + ti = rcu_dereference(dp->table.ti); for (;;) { struct sw_flow *flow; @@ -1552,6 +1558,8 @@ static int ovs_flow_cmd_dump(struct sk_buff *skb, struct netlink_callback *cb) cb->args[0] = bucket; cb->args[1] = obj; } + + local_bh_enable(); rcu_read_unlock(); return skb->len; } |