AuxXxilium/linux_dsm_epyc7002
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beb659bd8c
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Eric Dumazet beb659bd8c [PATCH] IPV4 : Move ip route cache flush (secret_rebuild) from softirq to workqueue 
Every 600 seconds (ip_rt_secret_interval), a softirq flush of the
whole ip route cache is triggered. On loaded machines, this can starve
softirq for many seconds and can eventually crash.

This patch moves this flush to a workqueue context, using the worker
we intoduced in commit 39c90ece75 (IPV4:
Convert rt_check_expire() from softirq processing to workqueue.)

Also, immediate flushes (echo 0 >/proc/sys/net/ipv4/route/flush) are
using rt_do_flush() helper function, wich take attention to
rescheduling.

Next step will be to handle delayed flushes
("echo -1 >/proc/sys/net/ipv4/route/flush" or "ip route flush cache")

Signed-off-by: Eric Dumazet <dada1@cosmosbay.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-01-28 14:54:33 -08:00
..
9p 9p: add missing end-of-options record for trans_fd 2007-11-06 08:02:53 -06:00
802 [NET]: Convert init_timer into setup_timer 2008-01-28 14:53:35 -08:00
8021q [VLAN]: nested VLAN: fix lockdep's recursive locking warning 2008-01-10 22:38:31 -08:00
appletalk [NET]: Convert init_timer into setup_timer 2008-01-28 14:53:35 -08:00
atm [NET]: Convert init_timer into setup_timer 2008-01-28 14:53:35 -08:00
ax25 [NET]: Convert init_timer into setup_timer 2008-01-28 14:53:35 -08:00
bluetooth [NET]: Convert init_timer into setup_timer 2008-01-28 14:53:35 -08:00
bridge [NET]: Make rtnetlink infrastructure network namespace aware (v3) 2008-01-28 14:54:25 -08:00
can [CAN]: Add virtual CAN netdevice driver 2008-01-28 14:54:12 -08:00
core [NET]: Consolidate net namespace related proc files creation. 2008-01-28 14:54:28 -08:00
dccp [NET]: Convert init_timer into setup_timer 2008-01-28 14:53:35 -08:00
decnet [NET]: Make rtnetlink infrastructure network namespace aware (v3) 2008-01-28 14:54:25 -08:00
econet [NET]: Convert init_timer into setup_timer 2008-01-28 14:53:35 -08:00
ethernet [NET]: Validate device addr prior to interface-up 2007-10-23 21:27:50 -07:00
ieee80211 [NET]: Convert init_timer into setup_timer 2008-01-28 14:53:35 -08:00
ipv4 [PATCH] IPV4 : Move ip route cache flush (secret_rebuild) from softirq to workqueue 2008-01-28 14:54:33 -08:00
ipv6 [RAW]: Consolidate proc interface. 2008-01-28 14:54:32 -08:00
ipx [IPX]: Use existing sock refcnt debugging infrastructure 2007-11-10 21:39:26 -08:00
irda [NET]: Convert init_timer into setup_timer 2008-01-28 14:53:35 -08:00
iucv [NET]: Convert init_timer into setup_timer 2008-01-28 14:53:35 -08:00
key [AF_KEY]: Fix skb leak on pfkey_send_migrate() error 2008-01-20 20:31:45 -08:00
lapb [PATCH] remove many unneeded #includes of sched.h 2007-02-14 08:09:54 -08:00
llc [NET]: Convert init_timer into setup_timer 2008-01-28 14:53:35 -08:00
mac80211 mac80211: Accept auto txpower setting 2008-01-28 14:54:19 -08:00
netfilter [NETFILTER]: Introduce NF_INET_ hook values 2008-01-28 14:53:55 -08:00
netlabel [NETLABEL]: Spelling fixes 2007-12-20 14:03:11 -08:00
netlink [NET]: Consolidate net namespace related proc files creation. 2008-01-28 14:54:28 -08:00
netrom [NET]: Convert init_timer into setup_timer 2008-01-28 14:53:35 -08:00
packet [NET]: Consolidate net namespace related proc files creation. 2008-01-28 14:54:28 -08:00
rfkill rfkill: call rfkill_led_trigger_unregister() on error 2008-01-20 20:31:36 -08:00
rose [NET]: Convert init_timer into setup_timer 2008-01-28 14:53:35 -08:00
rxrpc [AF_RXRPC]: Add a missing goto 2007-12-07 04:31:47 -08:00
sched [NET]: Make rtnetlink infrastructure network namespace aware (v3) 2008-01-28 14:54:25 -08:00
sctp [NET]: Convert init_timer into setup_timer 2008-01-28 14:53:35 -08:00
sunrpc [NET]: Convert init_timer into setup_timer 2008-01-28 14:53:35 -08:00
tipc [NET]: Convert init_timer into setup_timer 2008-01-28 14:53:35 -08:00
unix [NET]: Consolidate net namespace related proc files creation. 2008-01-28 14:54:28 -08:00
wanrouter [NET]: Make /proc/net per network namespace 2007-10-10 16:49:06 -07:00
wireless [NET]: Consolidate net namespace related proc files creation. 2008-01-28 14:54:28 -08:00
x25 [NET]: Convert init_timer into setup_timer 2008-01-28 14:53:35 -08:00
xfrm [IPSEC]: Kill afinfo->nf_post_routing 2008-01-28 14:53:55 -08:00
compat.c [NETFILTER]: Introduce NF_INET_ hook values 2008-01-28 14:53:55 -08:00
Kconfig [CAN]: Add PF_CAN core module 2008-01-28 14:54:10 -08:00
Makefile [CAN]: Add PF_CAN core module 2008-01-28 14:54:10 -08:00
nonet.c
socket.c [NET]: Use sockfd_lookup_light in the rest of the net/socket.c 2008-01-28 14:54:00 -08:00
sysctl_net.c
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