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mirror-linux/net
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Tejun Heo fd0406e5ca net: tcp: tsq: Convert from tasklet to BH workqueue 
The only generic interface to execute asynchronously in the BH context is
tasklet; however, it's marked deprecated and has some design flaws. To
replace tasklets, BH workqueue support was recently added. A BH workqueue
behaves similarly to regular workqueues except that the queued work items
are executed in the BH context.

This patch converts TCP Small Queues implementation from tasklet to BH
workqueue.

Semantically, this is an equivalent conversion and there shouldn't be any
user-visible behavior changes. While workqueue's queueing and execution
paths are a bit heavier than tasklet's, unless the work item is being queued
every packet, the difference hopefully shouldn't matter.

My experience with the networking stack is very limited and this patch
definitely needs attention from someone who actually understands networking.

Signed-off-by: Tejun Heo <tj@kernel.org>
Reviewed-by: Jason Xing <kerneljasonxing@gmail.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Cc: David Ahern <dsahern@kernel.org>
Link: https://patch.msgid.link/aFBeJ38AS1ZF3Dq5@slm.duckdns.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
 		2025-06-17 18:29:21 -07:00
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6lowpan
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9p netfs: Fix the request's work item to not require a ref 2025-05-21 14:35:20 +02:00
802 treewide, timers: Rename from_timer() to timer_container_of() 2025-06-08 09:07:37 +02:00
8021q net: 802: Remove unused p8022 code 2025-04-22 07:04:02 -07:00
appletalk treewide, timers: Rename from_timer() to timer_container_of() 2025-06-08 09:07:37 +02:00
atm treewide, timers: Rename from_timer() to timer_container_of() 2025-06-08 09:07:37 +02:00
ax25 treewide, timers: Rename from_timer() to timer_container_of() 2025-06-08 09:07:37 +02:00
batman-adv treewide, timers: Rename from_timer() to timer_container_of() 2025-06-08 09:07:37 +02:00
bluetooth Including fixes from bluetooth and wireless. 2025-06-12 09:50:36 -07:00
bpf selftests/bpf: Add test to access const void pointer argument in tracing program 2025-04-23 11:26:22 -07:00
bridge treewide, timers: Rename from_timer() to timer_container_of() 2025-06-08 09:07:37 +02:00
caif rtnetlink: Pack newlink() params into struct 2025-02-21 15:28:02 -08:00
can Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2025-06-12 10:09:10 -07:00
ceph A small CephFS encryption-related fix and a dead code cleanup. 2025-04-25 15:51:28 -07:00
core netpoll: move netpoll_print_options to netconsole 2025-06-16 15:18:33 -07:00
dcb
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devlink devlink: use DEVLINK_VAR_ATTR_TYPE_* instead of NLA_* in fmsg 2025-05-06 18:21:11 -07:00
dns_resolver
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dsa net: dsa: tag_brcm: add support for legacy FCS tags 2025-06-17 17:52:01 -07:00
ethernet
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ethtool net: ethtool: add dedicated callbacks for getting and setting rxfh fields 2025-06-12 17:16:20 -07:00
handshake
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hsr treewide, timers: Rename from_timer() to timer_container_of() 2025-06-08 09:07:37 +02:00
ieee802154 treewide, timers: Rename from_timer() to timer_container_of() 2025-06-08 09:07:37 +02:00
ife
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ipv4 net: tcp: tsq: Convert from tasklet to BH workqueue 2025-06-17 18:29:21 -07:00
ipv6 net: ipv6: Add ip6_mr_output() 2025-06-17 18:18:46 -07:00
iucv s390: Convert MACHINE_IS_[LPAR|VM|KVM], etc, machine_is_[lpar|vm|kvm]() 2025-03-04 17:18:07 +01:00
kcm
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key xfrm: Migrate offload configuration 2025-04-17 11:00:03 +02:00
l2tp net: move misc netdev_lock flavors to a separate header 2025-03-08 09:06:50 -08:00
l3mdev net: fib_rules: Fix iif / oif matching on L3 master device 2025-04-15 17:54:56 -07:00
lapb treewide, timers: Rename from_timer() to timer_container_of() 2025-06-08 09:07:37 +02:00
llc treewide, timers: Rename from_timer() to timer_container_of() 2025-06-08 09:07:37 +02:00
mac80211 treewide, timers: Rename from_timer() to timer_container_of() 2025-06-08 09:07:37 +02:00
mac802154 mac802154: Switch to use hrtimer_setup() 2025-02-18 10:35:44 +01:00
mctp net: mctp: use nlmsg_payload() for netlink message data extraction 2025-05-26 17:38:27 +02:00
mpls mpls: Use nlmsg_payload in mpls_valid_getroute_req 2025-04-15 08:28:54 -07:00
mptcp treewide, timers: Rename from_timer() to timer_container_of() 2025-06-08 09:07:37 +02:00
ncsi net: ncsi: Fix buffer overflow in fetching version id 2025-06-12 18:21:59 -07:00
netfilter treewide, timers: Rename from_timer() to timer_container_of() 2025-06-08 09:07:37 +02:00
netlabel calipso: unlock rcu before returning -EAFNOSUPPORT 2025-06-05 08:03:38 -07:00
netlink netlink: fix policy dump for int with validation callback 2025-05-12 18:50:09 -07:00
netrom treewide, timers: Rename from_timer() to timer_container_of() 2025-06-08 09:07:37 +02:00
nfc treewide, timers: Rename from_timer() to timer_container_of() 2025-06-08 09:07:37 +02:00
nsh
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openvswitch Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2025-05-28 10:11:15 +02:00
packet treewide, timers: Rename from_timer() to timer_container_of() 2025-06-08 09:07:37 +02:00
phonet
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psample
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qrtr
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rds replace strncpy with strscpy_pad 2025-05-26 22:28:44 +02:00
rfkill net: rfkill: gpio: allow booting in blocked state 2025-02-11 11:55:55 +01:00
rose treewide, timers: Rename from_timer() to timer_container_of() 2025-06-08 09:07:37 +02:00
rxrpc treewide, timers: Rename from_timer() to timer_container_of() 2025-06-08 09:07:37 +02:00
sched Including fixes from bluetooth and wireless. 2025-06-12 09:50:36 -07:00
sctp net: ipv6: Add a flags argument to ip6tunnel_xmit(), udp_tunnel6_xmit_skb() 2025-06-17 18:18:45 -07:00
shaper
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smc smc: Fix lockdep false-positive for IPPROTO_SMC. 2025-04-11 14:14:26 -07:00
strparser strparser: Remove unused __strp_unpause 2025-05-05 16:48:12 -07:00
sunrpc treewide, timers: Rename from_timer() to timer_container_of() 2025-06-08 09:07:37 +02:00
switchdev net: switchdev: Convert blocking notification chain to a raw one 2025-03-11 11:30:28 +01:00
tipc net: ipv6: Add a flags argument to ip6tunnel_xmit(), udp_tunnel6_xmit_skb() 2025-06-17 18:18:45 -07:00
tls bpf-next-6.16 2025-05-28 15:52:42 -07:00
unix af_unix: Allow passing cred for embryo without SO_PASSCRED/SO_PASSPIDFD. 2025-06-12 08:13:06 -07:00
vmw_vsock Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2025-05-28 10:11:15 +02:00
wireless Including fixes from bluetooth and wireless. 2025-06-12 09:50:36 -07:00
x25 treewide, timers: Rename from_timer() to timer_container_of() 2025-06-08 09:07:37 +02:00
xdp Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2025-05-22 09:42:41 -07:00
xfrm treewide, timers: Rename from_timer() to timer_container_of() 2025-06-08 09:07:37 +02:00
Kconfig net: Kconfig NET_DEVMEM selects GENERIC_ALLOCATOR 2025-05-27 17:31:42 -07:00
Kconfig.debug
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Makefile net: Retire DCCP socket. 2025-04-11 18:58:10 -07:00
compat.c
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devres.c
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socket.c net: timestamp: add helper returning skb's tx tstamp 2025-06-17 15:24:23 -07:00
sysctl_net.c
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