Messages in this thread Patch in this message | | | From | madhuparnabhowmik10@gmail ... | Subject | [PATCH 2/4] vport.c: Use built-in RCU list checking | Date | Wed, 19 Feb 2020 01:27:42 +0530 |
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From: Madhuparna Bhowmik <madhuparnabhowmik10@gmail.com>
hlist_for_each_entry_rcu() has built-in RCU and lock checking.
Pass cond argument to list_for_each_entry_rcu() to silence false lockdep warning when CONFIG_PROVE_RCU_LIST is enabled by default.
Signed-off-by: Madhuparna Bhowmik <madhuparnabhowmik10@gmail.com> --- net/openvswitch/vport.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/net/openvswitch/vport.c b/net/openvswitch/vport.c index 5da9392b03d6..47febb4504f0 100644 --- a/net/openvswitch/vport.c +++ b/net/openvswitch/vport.c @@ -96,7 +96,8 @@ struct vport *ovs_vport_locate(const struct net *net, const char *name) struct hlist_head *bucket = hash_bucket(net, name); struct vport *vport; - hlist_for_each_entry_rcu(vport, bucket, hash_node) + hlist_for_each_entry_rcu(vport, bucket, hash_node, + lockdep_ovsl_is_held()) if (!strcmp(name, ovs_vport_name(vport)) && net_eq(ovs_dp_get_net(vport->dp), net)) return vport; -- 2.17.1
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