From: "Steinar H. Gunderson" <sgunderson@bigfoot.com>
To: Thomas Graf <tgraf@suug.ch>
Cc: linux-kernel@vger.kernel.org,
"David S. Miller" <davem@davemloft.net>,
Nikolay Aleksandrov <nikolay@redhat.com>
Subject: Re: getaddrinfo slowdown in 3.17.1, due to getifaddrs
Date: Tue, 21 Oct 2014 15:25:57 +0200 [thread overview]
Message-ID: <20141021132557.GA9440@sesse.net> (raw)
In-Reply-To: <20141017062517.GA11584@casper.infradead.org>
On Fri, Oct 17, 2014 at 07:25:17AM +0100, Thomas Graf wrote:
> I think the only option at this point is to re-add the nltable lock to
> netlink_lookup() so we can drop the synchronize_net() until we find a
> way to RCUify socket destruction. I will cook up a patch today unless
> somebody can come up with a smarter way to work around needing the
> synchronize_net().
Did you end up with a patch? We'd like to reboot the server in question
soon-ish, but it's an open question whether we should go to 3.16.x, revert
exactly the patches in question or something else.
/* Steinar */
--
Homepage: http://www.sesse.net/
next prev parent reply other threads:[~2014-10-21 13:26 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-17 0:21 getaddrinfo slowdown in 3.17.1, due to getifaddrs Steinar H. Gunderson
2014-10-17 0:34 ` Steinar H. Gunderson
2014-10-17 6:25 ` Thomas Graf
2014-10-17 16:28 ` Eric Dumazet
2014-10-17 16:30 ` David Miller
2014-10-17 21:19 ` Eric Dumazet
2014-10-21 13:25 ` Steinar H. Gunderson [this message]
2014-10-21 13:31 ` Thomas Graf
2014-10-23 23:37 ` Steinar H. Gunderson
2014-11-02 21:55 ` Steinar H. Gunderson
2014-11-02 23:25 ` David Miller
2014-10-18 10:45 ` Steinar H. Gunderson
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