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mirror_ubuntu-kernels/net/sched
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Eric Dumazet 88df16f851 net: sched: calls synchronize_net() only when needed 
dev_deactivate_many() role is to remove the qdiscs
of a network device.

When/if a qdisc is dismantled, an rcu grace period
is needed to make sure all outstanding qdisc enqueue
are done before we proceed with a qdisc reset.

Most virtual devices do not have a qdisc.

We can call the expensive synchronize_net() only
if needed.

Note that dev_deactivate_many() does not have to deal
with qdisc-less dev_queue_xmit, as an old comment
was claiming.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Link: https://patch.msgid.link/20250109171850.2871194-1-edumazet@google.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2025-01-14 10:17:53 +01:00
..
act_api.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2024-10-25 09:08:22 +02:00
act_bpf.c net: Rename mono_delivery_time to tstamp_type for scalabilty 2024-05-23 14:14:23 -07:00
act_connmark.c net/sched: Add module aliases for cls_,sch_,act_ modules 2024-02-02 10:57:55 -08:00
act_csum.c net/sched: Add module aliases for cls_,sch_,act_ modules 2024-02-02 10:57:55 -08:00
act_ct.c net: convert to nla_get_*_default() 2024-11-11 10:32:06 -08:00
act_ctinfo.c net: convert to nla_get_*_default() 2024-11-11 10:32:06 -08:00
act_gact.c net/sched: Add module aliases for cls_,sch_,act_ modules 2024-02-02 10:57:55 -08:00
act_gate.c net: convert to nla_get_*_default() 2024-11-11 10:32:06 -08:00
act_ife.c net/sched: Add module aliases for cls_,sch_,act_ modules 2024-02-02 10:57:55 -08:00
act_meta_mark.c
act_meta_skbprio.c
act_meta_skbtcindex.c
act_mirred.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2024-02-22 15:29:26 -08:00
act_mpls.c net: convert to nla_get_*_default() 2024-11-11 10:32:06 -08:00
act_nat.c net/sched: Add module aliases for cls_,sch_,act_ modules 2024-02-02 10:57:55 -08:00
act_pedit.c net: sched: Annotate struct tc_pedit with __counted_by 2024-02-19 10:58:24 +00:00
act_police.c net: convert to nla_get_*_default() 2024-11-11 10:32:06 -08:00
act_sample.c net: sched: act_sample: add action cookie to sample 2024-07-05 17:45:47 -07:00
act_simple.c net/sched: Add module aliases for cls_,sch_,act_ modules 2024-02-02 10:57:55 -08:00
act_skbedit.c net/sched: Add module aliases for cls_,sch_,act_ modules 2024-02-02 10:57:55 -08:00
act_skbmod.c net/sched: act_skbmod: convert comma to semicolon 2024-07-11 17:12:15 -07:00
act_tunnel_key.c ip_tunnel: convert __be16 tunnel flags to bitmaps 2024-04-01 10:49:28 +01:00
act_vlan.c tc: adjust network header after 2nd vlan push 2024-08-27 11:37:42 +02:00
cls_api.c net: sched: cls_api: improve the error message for ID allocation failure 2024-11-12 12:58:31 +01:00
cls_basic.c net/sched: Add module aliases for cls_,sch_,act_ modules 2024-02-02 10:57:55 -08:00
cls_bpf.c net: Rename mono_delivery_time to tstamp_type for scalabilty 2024-05-23 14:14:23 -07:00
cls_cgroup.c net/sched: Add module aliases for cls_,sch_,act_ modules 2024-02-02 10:57:55 -08:00
cls_flow.c net_sched: cls_flow: validate TCA_FLOW_RSHIFT attribute 2025-01-04 08:49:36 -08:00
cls_flower.c net: sched: fix erspan_opt settings in cls_flower 2024-12-04 10:35:14 +00:00
cls_fw.c net/sched: Add module aliases for cls_,sch_,act_ modules 2024-02-02 10:57:55 -08:00
cls_matchall.c net/sched: Add module aliases for cls_,sch_,act_ modules 2024-02-02 10:57:55 -08:00
cls_route.c net/sched: Add module aliases for cls_,sch_,act_ modules 2024-02-02 10:57:55 -08:00
cls_u32.c net: sched: cls_u32: Fix u32's systematic failure to free IDR entries for hnodes. 2024-11-12 18:26:03 -08:00
em_canid.c net: fill in MODULE_DESCRIPTION()s for net/sched 2024-02-09 14:12:02 -08:00
em_cmp.c move asm/unaligned.h to linux/unaligned.h 2024-10-02 17:23:23 -04:00
em_ipset.c
em_ipt.c
em_meta.c net: fill in MODULE_DESCRIPTION()s for net/sched 2024-02-09 14:12:02 -08:00
em_nbyte.c net: fill in MODULE_DESCRIPTION()s for net/sched 2024-02-09 14:12:02 -08:00
em_text.c net: fill in MODULE_DESCRIPTION()s for net/sched 2024-02-09 14:12:02 -08:00
em_u32.c net: fill in MODULE_DESCRIPTION()s for net/sched 2024-02-09 14:12:02 -08:00
ematch.c net_sched: reject TCF_EM_SIMPLE case for complex ematch module 2022-12-19 09:43:18 +00:00
Kconfig net: sched: Remove NET_ACT_IPT from Kconfig 2024-02-13 11:24:35 +01:00
Makefile net/sched: Retire ipt action 2024-01-02 12:41:16 +00:00
sch_api.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2024-10-31 18:10:07 -07:00
sch_blackhole.c
sch_cake.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2025-01-09 16:11:47 -08:00
sch_cbs.c net/sched: cbs: Fix integer overflow in cbs_set_port_rate() 2024-10-15 18:25:47 -07:00
sch_choke.c net: sched: fix ordering of qlen adjustment 2024-12-04 12:54:22 +00:00
sch_codel.c net/sched: Add drop reasons for AQM-based qdiscs 2024-12-17 13:27:29 +01:00
sch_drr.c net/sched: Add module aliases for cls_,sch_,act_ modules 2024-02-02 10:57:55 -08:00
sch_etf.c net_sched: sch_tfs: implement lockless etf_dump() 2024-04-19 11:34:07 +01:00
sch_ets.c net_sched: sch_ets: implement lockless ets_dump() 2024-04-19 11:34:07 +01:00
sch_fifo.c net_sched: sch_fifo: implement lockless __fifo_dump() 2024-04-19 11:34:07 +01:00
sch_fq_codel.c net/sched: Add drop reasons for AQM-based qdiscs 2024-12-17 13:27:29 +01:00
sch_fq_pie.c net/sched: Add drop reasons for AQM-based qdiscs 2024-12-17 13:27:29 +01:00
sch_fq.c net_sched: sch_fq: add three drop_reason 2024-12-05 17:39:04 -08:00
sch_frag.c net: dst: remove unnecessary input parameter in dst_alloc and dst_init 2023-09-12 11:42:25 +02:00
sch_generic.c net: sched: calls synchronize_net() only when needed 2025-01-14 10:17:53 +01:00
sch_gred.c net/sched: Add drop reasons for AQM-based qdiscs 2024-12-17 13:27:29 +01:00
sch_hfsc.c net_sched: sch_hfsc: implement lockless accesses to q->defcls 2024-04-19 11:34:08 +01:00
sch_hhf.c net_sched: sch_hhf: implement lockless hhf_dump() 2024-04-19 11:34:08 +01:00
sch_htb.c net: convert to nla_get_*_default() 2024-11-11 10:32:06 -08:00
sch_ingress.c bpf: Fix too early release of tcx_entry 2024-07-08 14:07:31 -07:00
sch_mq.c net: sched: add rcu annotations around qdisc->qdisc_sleeping 2023-06-07 10:25:39 +01:00
sch_mqprio_lib.c net: sched: Fill in missing MODULE_DESCRIPTION for qdiscs 2023-11-01 21:49:09 -07:00
sch_mqprio_lib.h net/sched: mqprio: allow per-TC user input of FP adminStatus 2023-04-13 22:22:10 -07:00
sch_mqprio.c netlink: introduce type-checking attribute iteration 2024-03-29 15:06:02 -07:00
sch_multiq.c net: sched: sch_multiq: fix possible OOB write in multiq_tune() 2024-06-05 10:50:19 +01:00
sch_netem.c net/sched: netem: account for backlog updates from child qdisc 2024-12-11 20:26:37 -08:00
sch_pie.c net/sched: Add drop reasons for AQM-based qdiscs 2024-12-17 13:27:29 +01:00
sch_plug.c net/sched: Add module aliases for cls_,sch_,act_ modules 2024-02-02 10:57:55 -08:00
sch_prio.c net/sched: Add module aliases for cls_,sch_,act_ modules 2024-02-02 10:57:55 -08:00
sch_qfq.c net: convert to nla_get_*_default() 2024-11-11 10:32:06 -08:00
sch_red.c net/sched: Add drop reasons for AQM-based qdiscs 2024-12-17 13:27:29 +01:00
sch_sfb.c net/sched: Add drop reasons for AQM-based qdiscs 2024-12-17 13:27:29 +01:00
sch_sfq.c net_sched: sch_sfq: don't allow 1 packet limit 2024-12-05 18:02:10 -08:00
sch_skbprio.c net_sched: sch_skbprio: implement lockless skbprio_dump() 2024-04-19 11:34:08 +01:00
sch_taprio.c net: convert to nla_get_*_default() 2024-11-11 10:32:06 -08:00
sch_tbf.c net/sched: tbf: correct backlog statistic for GSO packets 2024-11-30 13:02:43 -08:00
sch_teql.c net: annotate writes on dev->mtu from ndo_change_mtu() 2024-05-07 16:19:14 -07:00