Judy Hsiao 6511772fc0 neighbour: Don't let neigh_forced_gc() disable preemption for long ...

[ Upstream commit e5dc5afff6 ]

We are seeing cases where neigh_cleanup_and_release() is called by
neigh_forced_gc() many times in a row with preemption turned off.
When running on a low powered CPU at a low CPU frequency, this has
been measured to keep preemption off for ~10 ms. That's not great on a
system with HZ=1000 which expects tasks to be able to schedule in
with ~1ms latency.

Suggested-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Judy Hsiao <judyhsiao@chromium.org>
Reviewed-by: David Ahern <dsahern@kernel.org>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>

2024-01-25 14:52:29 -08:00

..

bpf_sk_storage.c

bpf: Add length check for SK_DIAG_BPF_STORAGE_REQ_MAP_FD parsing

2023-08-11 15:13:50 +02:00

datagram.c

net: datagram: fix data-races in datagram_poll()

2023-05-24 17:36:42 +01:00

datagram.h

…

dev_addr_lists.c

…

dev_ioctl.c

…

dev.c

net: check dev->gso_max_size in gso_features_check()

2024-01-05 15:13:30 +01:00

devlink.c

devlink: remove reload failed checks in params get/set callbacks

2023-09-23 11:09:55 +02:00

drop_monitor.c

drop_monitor: Require 'CAP_SYS_ADMIN' when joining "events" group

2023-12-13 18:36:38 +01:00

dst_cache.c

…

dst.c

ipv6: remove max_size check inline with ipv4

2024-01-15 18:51:25 +01:00

failover.c

…

fib_notifier.c

…

fib_rules.c

…

filter.c

bpf: sockmap, updating the sg structure should also update curr

2023-12-13 18:36:37 +01:00

flow_dissector.c

net/core: Fix ETH_P_1588 flow dissector

2023-10-06 13:18:05 +02:00

flow_offload.c

…

gen_estimator.c

…

gen_stats.c

…

gro_cells.c

…

hwbm.c

…

link_watch.c

…

lwt_bpf.c

lwt: Fix return values of BPF xmit ops

2023-09-19 12:22:33 +02:00

lwtunnel.c

…

Makefile

…

neighbour.c

neighbour: Don't let neigh_forced_gc() disable preemption for long

2024-01-25 14:52:29 -08:00

net_namespace.c

net: fix UaF in netns ops registration error path

2023-02-01 08:27:26 +01:00

net-procfs.c

…

net-sysfs.c

…

net-sysfs.h

…

net-traces.c

…

netclassid_cgroup.c

…

netevent.c

…

netpoll.c

net: move from strlcpy with unused retval to strscpy

2023-10-25 11:59:01 +02:00

netprio_cgroup.c

…

of_net.c

of: net: add a helper for loading netdev->dev_addr

2023-07-27 08:46:59 +02:00

page_pool.c

page_pool: fix inconsistency for page_pool_ring_[un]lock()

2023-06-05 09:21:22 +02:00

pktgen.c

net: pktgen: Fix interface flags printing

2023-10-25 11:58:58 +02:00

ptp_classifier.c

…

request_sock.c

…

rtnetlink.c

rtnetlink: Reject negative ifindexes in RTM_NEWLINK

2023-08-30 16:18:15 +02:00

scm.c

io_uring/af_unix: disable sending io_uring over sockets

2023-12-13 18:36:46 +01:00

secure_seq.c

…

selftests.c

…

skbuff.c

skbuff: skb_segment, Call zero copy functions before using skbuff frags

2023-09-19 12:22:49 +02:00

skmsg.c

bpf, sockmap: Fix bug that strp_done cannot be called

2023-08-16 18:22:00 +02:00

sock_destructor.h

…

sock_diag.c

…

sock_map.c

bpf, sockmap: Reject sk_msg egress redirects to non-TCP sockets

2023-10-10 21:59:07 +02:00

sock_reuseport.c

soreuseport: Fix socket selection for SO_INCOMING_CPU.

2022-12-31 13:14:07 +01:00

sock.c

net: Implement missing SO_TIMESTAMPING_NEW cmsg support

2024-01-15 18:51:21 +01:00

stream.c

net: deal with most data-races in sk_wait_event()

2023-05-24 17:36:42 +01:00

sysctl_net_core.c

…

timestamping.c

…

tso.c

…

utils.c

…

xdp.c

xdp: xdp_mem_allocator can be NULL in trace_mem_connect().

2023-06-05 09:21:23 +02:00