Messages in this thread |  | | Date | Tue, 21 Oct 2014 21:36:04 -0400 (EDT) | Subject | Re: [PATCH] netlink: Re-add locking to netlink_lookup() and seq walker | From | David Miller <> |
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From: Thomas Graf <tgraf@suug.ch> Date: Tue, 21 Oct 2014 22:05:38 +0200
> The synchronize_rcu() in netlink_release() introduces unacceptable > latency. Reintroduce minimal lookup so we can drop the > synchronize_rcu() until socket destruction has been RCUfied. > > Cc: David S. Miller <davem@davemloft.net> > Cc: Eric Dumazet <eric.dumazet@gmail.com> > Reported-by: Steinar H. Gunderson <sgunderson@bigfoot.com> > Reported-and-tested-by: Heiko Carstens <heiko.carstens@de.ibm.com> > Signed-off-by: Thomas Graf <tgraf@suug.ch>
Applied and queued up for -stable.
Please use an appropriate "Fixes: " tag in the future, this is especially important for an issue as serious as this one.
Thanks.
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