diff options
Diffstat (limited to 'net/sched/cls_cgroup.c')
| -rw-r--r-- | net/sched/cls_cgroup.c | 25 |
1 files changed, 11 insertions, 14 deletions
diff --git a/net/sched/cls_cgroup.c b/net/sched/cls_cgroup.c index 7743ea8d1d38..2ecde225ae60 100644 --- a/net/sched/cls_cgroup.c +++ b/net/sched/cls_cgroup.c @@ -77,11 +77,18 @@ struct cgroup_subsys net_cls_subsys = { .name = "net_cls", .create = cgrp_create, .destroy = cgrp_destroy, -#ifdef CONFIG_NET_CLS_CGROUP .subsys_id = net_cls_subsys_id, -#endif .base_cftypes = ss_files, .module = THIS_MODULE, + + /* + * While net_cls cgroup has the rudimentary hierarchy support of + * inheriting the parent's classid on cgroup creation, it doesn't + * properly propagates config changes in ancestors to their + * descendents. A child should follow the parent's configuration + * but be allowed to override it. Fix it and remove the following. + */ + .broken_hierarchy = true, }; struct cls_cgroup_head { @@ -151,7 +158,8 @@ static const struct nla_policy cgroup_policy[TCA_CGROUP_MAX + 1] = { [TCA_CGROUP_EMATCHES] = { .type = NLA_NESTED }, }; -static int cls_cgroup_change(struct tcf_proto *tp, unsigned long base, +static int cls_cgroup_change(struct sk_buff *in_skb, + struct tcf_proto *tp, unsigned long base, u32 handle, struct nlattr **tca, unsigned long *arg) { @@ -283,12 +291,6 @@ static int __init init_cgroup_cls(void) if (ret) goto out; -#ifndef CONFIG_NET_CLS_CGROUP - /* We can't use rcu_assign_pointer because this is an int. */ - smp_wmb(); - net_cls_subsys_id = net_cls_subsys.subsys_id; -#endif - ret = register_tcf_proto_ops(&cls_cgroup_ops); if (ret) cgroup_unload_subsys(&net_cls_subsys); @@ -301,11 +303,6 @@ static void __exit exit_cgroup_cls(void) { unregister_tcf_proto_ops(&cls_cgroup_ops); -#ifndef CONFIG_NET_CLS_CGROUP - net_cls_subsys_id = -1; - synchronize_rcu(); -#endif - cgroup_unload_subsys(&net_cls_subsys); } |