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ipv6: make addrconf_wq single threaded 

commit dfd2ee086a upstream.

Both addrconf_verify_work() and addrconf_dad_work() acquire rtnl,
there is no point trying to have one thread per cpu.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Link: https://lore.kernel.org/r/20240201173031.3654257-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Brett A C Sheffield <bacs@librecast.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
(cherry picked from commit 4cb17b11c8af2fa9de840ffe7fc0bb712f894242)
This commit is contained in:
Eric Dumazet 2024-02-01 17:30:31 +00:00 committed by Wentao Guan
parent 4544b4d4a6
commit 2574ba26e5
1 changed files with 2 additions and 1 deletions
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3
net/ipv6/addrconf.c
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@ -7383,7 +7383,8 @@ int __init addrconf_init(void)
if (err < 0) if (err < 0)
goto out_addrlabel; goto out_addrlabel;
addrconf_wq = create_workqueue("ipv6_addrconf"); /* All works using addrconf_wq need to lock rtnl. */
addrconf_wq = create_singlethread_workqueue("ipv6_addrconf");
if (!addrconf_wq) { if (!addrconf_wq) {
err = -ENOMEM; err = -ENOMEM;
goto out_nowq; goto out_nowq;