This is a note to let you know that I've just added the patch titled net/sched: act_ctinfo: use percpu stats to the 5.15-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: net-sched-act_ctinfo-use-percpu-stats.patch and it can be found in the queue-5.15 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit 26959fc0f15aeafb200cb95987e52414df87a104 Author: Pedro Tammela <pctammela@xxxxxxxxxxxx> Date: Fri Feb 10 17:08:25 2023 -0300 net/sched: act_ctinfo: use percpu stats [ Upstream commit 21c167aa0ba943a7cac2f6969814f83bb701666b ] The tc action act_ctinfo was using shared stats, fix it to use percpu stats since bstats_update() must be called with locks or with a percpu pointer argument. tdc results: 1..12 ok 1 c826 - Add ctinfo action with default setting ok 2 0286 - Add ctinfo action with dscp ok 3 4938 - Add ctinfo action with valid cpmark and zone ok 4 7593 - Add ctinfo action with drop control ok 5 2961 - Replace ctinfo action zone and action control ok 6 e567 - Delete ctinfo action with valid index ok 7 6a91 - Delete ctinfo action with invalid index ok 8 5232 - List ctinfo actions ok 9 7702 - Flush ctinfo actions ok 10 3201 - Add ctinfo action with duplicate index ok 11 8295 - Add ctinfo action with invalid index ok 12 3964 - Replace ctinfo action with invalid goto_chain control Fixes: 24ec483cec98 ("net: sched: Introduce act_ctinfo action") Reviewed-by: Jamal Hadi Salim <jhs@xxxxxxxxxxxx> Signed-off-by: Pedro Tammela <pctammela@xxxxxxxxxxxx> Reviewed-by: Larysa Zaremba <larysa.zaremba@xxxxxxxxx> Link: https://lore.kernel.org/r/20230210200824.444856-1-pctammela@xxxxxxxxxxxx Signed-off-by: Jakub Kicinski <kuba@xxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/net/sched/act_ctinfo.c b/net/sched/act_ctinfo.c index 65a20f3c9514e..56e0a5eb64942 100644 --- a/net/sched/act_ctinfo.c +++ b/net/sched/act_ctinfo.c @@ -92,7 +92,7 @@ static int tcf_ctinfo_act(struct sk_buff *skb, const struct tc_action *a, cp = rcu_dereference_bh(ca->params); tcf_lastuse_update(&ca->tcf_tm); - bstats_update(&ca->tcf_bstats, skb); + tcf_action_update_bstats(&ca->common, skb); action = READ_ONCE(ca->tcf_action); wlen = skb_network_offset(skb); @@ -211,8 +211,8 @@ static int tcf_ctinfo_init(struct net *net, struct nlattr *nla, index = actparm->index; err = tcf_idr_check_alloc(tn, &index, a, bind); if (!err) { - ret = tcf_idr_create(tn, index, est, a, - &act_ctinfo_ops, bind, false, flags); + ret = tcf_idr_create_from_flags(tn, index, est, a, + &act_ctinfo_ops, bind, flags); if (ret) { tcf_idr_cleanup(tn, index); return ret;