renegade-project/linux-next
2
0
Fork 0
mirror of https://github.com/edk2-porting/linux-next.git synced 2024-12-15 00:34:10 +08:00
Code

net: openvswitch: use hlist_for_each_entry_rcu instead of hlist_for_each_entry

Browse Source 
The struct sw_flow is protected by RCU, when traversing them,
use hlist_for_each_entry_rcu.

Signed-off-by: Tonghao Zhang <xiangxia.m.yue@gmail.com>
Tested-by: Greg Rose <gvrose8192@gmail.com>
Reviewed-by: Greg Rose <gvrose8192@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Tonghao Zhang 2020-03-26 04:27:24 +08:00 committed by David S. Miller
parent c427bfec18
commit 64948427a6
1 changed files with 6 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
net/openvswitch/flow_table.c
View File

@ -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);
}