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linux/net/core
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Kuniyuki Iwashima d0008553a7 net: Call unregister_netdevice_many() per netns. 
For per-netns device unregistration, the list passed to
unregister_netdevice_many() must contain devices from a single
netns only (once all callers are converted).

Let's move collected devices in the following functions to
net->dev_unreg_head and let __rtnl_net_unlock() pass them to
unregister_netdevice_many().

  * default_device_exit_batch()
  * ops_exit_rtnl_list()
  * __rtnl_kill_links()

This allows incremental conversion of each driver to support
per-netns device unregistration without affecting the normal
kernel where CONFIG_DEBUG_NET_SMALL_RTNL is disabled.

Note that this change unbatches synchronize_rcu() etc in
unregister_netdevice_many(), but we can later split it into
multiple stages to batch them again.

Signed-off-by: Kuniyuki Iwashima <kuniyu@google.com>
Link: https://patch.msgid.link/20260703001009.1572444-8-kuniyu@google.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2026-07-11 12:57:50 +02:00
..
bpf_sk_storage.c bpf: Fix sk_local_storage diag dumping uninitialized special fields 2026-04-24 11:21:34 -07:00
datagram.c net: datagram: introduce datagram_poll_queue for custom receive queues 2025-10-23 15:46:04 +02:00
dev_addr_lists_test.c net: cache snapshot entries for ndo_set_rx_mode_async 2026-04-21 12:50:13 +02:00
dev_addr_lists.c net: turn the rx_mode work into a generic netdev_work facility 2026-06-25 10:18:40 -07:00
dev_api.c net: introduce ndo_set_rx_mode_async and netdev_rx_mode_work 2026-04-21 12:50:03 +02:00
dev_ioctl.c net: ethtool: make dev->hwprov ops-protected 2026-06-09 10:13:04 -07:00
dev.c net: Call unregister_netdevice_many() per netns. 2026-07-11 12:57:50 +02:00
dev.h net: turn the rx_mode work into a generic netdev_work facility 2026-06-25 10:18:40 -07:00
devmem.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2026-05-21 15:09:02 -07:00
devmem.h net: devmem: support TX over NETMEM_TX_NO_DMA devices 2026-05-18 18:49:06 -07:00
drop_monitor.c net: constify sk_skb_reason_drop() sock parameter 2026-05-12 18:31:11 -07:00
dst_cache.c net: dst: annotate data-races around dst->obsolete 2025-07-02 14:32:29 -07:00
dst.c treewide: Replace kmalloc with kmalloc_obj for non-scalar types 2026-02-21 01:02:28 -08:00
failover.c net: net_failover: Fix the deadlock in slave register 2026-05-13 19:01:03 -07:00
fib_notifier.c net: Add SPDX ids to some source files 2026-03-09 18:32:45 -07:00
fib_rules.c net: fib_rules: Destroy ops->lock in fib_rules_unregister(). 2026-07-07 10:51:06 +02:00
filter.c bpf-fixes 2026-06-25 14:09:26 -07:00
flow_dissector.c flow_dissector: check device type before reading ETH_ADDRS 2026-06-18 18:07:00 -07:00
flow_offload.c Convert more 'alloc_obj' cases to default GFP_KERNEL arguments 2026-02-21 20:03:00 -08:00
gen_estimator.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
gen_stats.c net/sched: add const qualifiers to gnet_stats helpers 2026-05-11 18:28:08 -07:00
gro_cells.c treewide: Replace kmalloc with kmalloc_obj for non-scalar types 2026-02-21 01:02:28 -08:00
gro.c net: add pskb_may_pull() to skb_gro_receive_list() 2026-06-08 17:20:23 -07:00
gso.c net: introduce struct net_hotdata 2024-03-07 21:12:41 -08:00
hotdata.c net: remove EXPORT_IPV6_MOD() and EXPORT_IPV6_MOD_GPL() macros 2026-03-29 11:21:22 -07:00
hwbm.c
ieee8021q_helpers.c net: ieee8021q: fix insufficient table-size assertion 2025-07-01 12:55:49 +02:00
link_watch.c net: rename netdev_ops_assert_locked() 2026-06-04 14:04:55 -07:00
lock_debug.c net: require instance lock for NETDEV_DOWN/GOING_DOWN notifiers 2026-07-07 15:31:37 +02:00
lwt_bpf.c bpf: Update transport_header when encapsulating UDP tunnel in lwt 2026-06-05 15:28:28 -07:00
lwtunnel.c net: lwtunnel: Drop skb metadata before LWT encapsulation 2026-06-23 19:07:23 -07:00
Makefile net: turn the rx_mode work into a generic netdev_work facility 2026-06-25 10:18:40 -07:00
mp_dmabuf_devmem.h memory-provider: dmabuf devmem memory provider 2024-09-11 20:44:31 -07:00
neighbour.c neighbour: remove obsolete EXPORT_SYMBOL() 2026-06-08 15:59:17 -07:00
net_namespace.c net: Call unregister_netdevice_many() per netns. 2026-07-11 12:57:50 +02:00
net_test.c pfcp: always set pfcp metadata 2024-04-01 10:49:28 +01:00
net-procfs.c net: add proper RCU protection to /proc/net/ptype 2026-02-03 19:20:30 -08:00
net-sysfs.c rtnetlink: use dev_isalive() in rtnl_getlink() 2026-06-04 18:16:14 -07:00
net-sysfs.h net: add skb_defer_disable_key static key 2026-03-12 19:25:33 -07:00
net-traces.c move asm/unaligned.h to linux/unaligned.h 2024-10-02 17:23:23 -04:00
netclassid_cgroup.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
netdev_config.c net: add queue config validation callback 2026-01-23 11:49:02 -08:00
netdev_queues.c net: rename netdev_ops_assert_locked() 2026-06-04 14:04:55 -07:00
netdev_rx_queue.c net: Stop leased rxq before uninstalling its memory provider 2026-06-11 15:57:39 -07:00
netdev_work.c net: add the driver-facing netdev_work scheduling API 2026-06-25 10:18:40 -07:00
netdev-genl-gen.c net: devmem: allow bind-rx from non-init user namespaces 2026-06-05 18:10:31 -07:00
netdev-genl-gen.h net: Add queue-create operation 2026-04-09 18:21:45 -07:00
netdev-genl.c netdev-genl: report NAPI thread PID in the caller's pid namespace 2026-06-17 16:09:32 -07:00
netevent.c
netmem_priv.h Revert "mm: introduce a new page type for page pool in page type" 2026-05-21 19:06:13 -07:00
netpoll.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2026-07-03 07:46:27 +02:00
netprio_cgroup.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
of_net.c net: Explicitly include correct DT includes 2023-07-27 20:33:16 -07:00
page_pool_priv.h net: page_pool: don't try to stash the napi id 2025-01-27 14:37:41 -08:00
page_pool_user.c net: make page_pool_get_stats() void 2026-05-28 18:10:03 -07:00
page_pool.c net: make page_pool_get_stats() void 2026-05-28 18:10:03 -07:00
pktgen.c kernel.h: drop hex.h and update all hex.h users 2026-01-20 19:44:19 -08:00
ptp_classifier.c
rtnetlink.c net: Call unregister_netdevice_many() per netns. 2026-07-11 12:57:50 +02:00
scm.c net: use ktime_t in struct scm_timestamping_internal 2026-03-04 17:53:34 -08:00
secure_seq.c tcp: secure_seq: add back ports to TS offset 2026-03-04 17:44:35 -08:00
selftests.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
skb_fault_injection.c net: Implement fault injection forcing skb reallocation 2024-11-12 12:05:33 +01:00
skbuff.c Networking changes for 7.2. 2026-06-17 08:17:00 +01:00
skmsg.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2026-06-16 14:59:58 -07:00
sock_diag.c net: Add SPDX ids to some source files 2026-03-09 18:32:45 -07:00
sock_map.c bpf, sockmap: reject a packet-modifying SK_SKB stream parser 2026-06-25 17:42:02 -07:00
sock_reuseport.c treewide: Replace kmalloc with kmalloc_obj for non-scalar types 2026-02-21 01:02:28 -08:00
sock.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2026-06-11 14:33:35 -07:00
stream.c net: remove some unused EXPORT_SYMBOL()s 2026-06-12 16:43:11 -07:00
sysctl_net_core.c net: add skb_defer_disable_key static key 2026-03-12 19:25:33 -07:00
timestamping.c net: Add the possibility to support a selected hwtstamp in netdevice 2024-12-16 12:51:40 +00:00
tso.c net: tso: Introduce tso_dma_map and helpers 2026-04-12 10:54:31 -07:00
utils.c kernel.h: drop hex.h and update all hex.h users 2026-01-20 19:44:19 -08:00
xdp.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00