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| author | Ingo Molnar <mingo@kernel.org> | 2017-11-03 14:30:12 +0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2017-11-03 14:30:12 +0300 |
| commit | 294cbd05e32990c3b1a62be27441fc719edebbab (patch) | |
| tree | 9e543bcfdaa183343f18714a256d3fd5c88d3b5c /net/sched/cls_cgroup.c | |
| parent | be96b316deff35e119760982c43af74e606fa143 (diff) | |
| parent | 5cb0512c02ecd7e6214e912e4c150f4219ac78e0 (diff) | |
| download | linux-294cbd05e32990c3b1a62be27441fc719edebbab.tar.xz | |
Merge branch 'linus' into perf/urgent, to pick up dependent commits
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'net/sched/cls_cgroup.c')
| -rw-r--r-- | net/sched/cls_cgroup.c | 22 |
1 files changed, 18 insertions, 4 deletions
diff --git a/net/sched/cls_cgroup.c b/net/sched/cls_cgroup.c index d48452f87975..a97e069bee89 100644 --- a/net/sched/cls_cgroup.c +++ b/net/sched/cls_cgroup.c @@ -23,7 +23,10 @@ struct cls_cgroup_head { struct tcf_exts exts; struct tcf_ematch_tree ematches; struct tcf_proto *tp; - struct rcu_head rcu; + union { + struct work_struct work; + struct rcu_head rcu; + }; }; static int cls_cgroup_classify(struct sk_buff *skb, const struct tcf_proto *tp, @@ -57,15 +60,26 @@ static const struct nla_policy cgroup_policy[TCA_CGROUP_MAX + 1] = { [TCA_CGROUP_EMATCHES] = { .type = NLA_NESTED }, }; +static void cls_cgroup_destroy_work(struct work_struct *work) +{ + struct cls_cgroup_head *head = container_of(work, + struct cls_cgroup_head, + work); + rtnl_lock(); + tcf_exts_destroy(&head->exts); + tcf_em_tree_destroy(&head->ematches); + kfree(head); + rtnl_unlock(); +} + static void cls_cgroup_destroy_rcu(struct rcu_head *root) { struct cls_cgroup_head *head = container_of(root, struct cls_cgroup_head, rcu); - tcf_exts_destroy(&head->exts); - tcf_em_tree_destroy(&head->ematches); - kfree(head); + INIT_WORK(&head->work, cls_cgroup_destroy_work); + tcf_queue_work(&head->work); } static int cls_cgroup_change(struct net *net, struct sk_buff *in_skb, |