From: ebiederm@xmission•com (Eric W. Biederman)
To: Benjamin LaHaise <bcrl@lhnet•ca>
Cc: Ben Greear <greearb@candelatech•com>,
Eric Dumazet <eric.dumazet@gmail•com>,
Octavian Purdila <opurdila@ixiacom•com>,
netdev@vger•kernel.org, Cosmin Ratiu <cratiu@ixiacom•com>
Subject: Re: [PATCH] net: allow netdev_wait_allrefs() to run faster
Date: Mon, 09 Aug 2010 14:17:13 -0700 [thread overview]
Message-ID: <m1mxsvv63q.fsf@fess.ebiederm.org> (raw)
In-Reply-To: <20100809210311.GW30010@kvack.org> (Benjamin LaHaise's message of "Mon, 9 Aug 2010 17:03:11 -0400")
Benjamin LaHaise <bcrl@lhnet•ca> writes:
> On Mon, Aug 09, 2010 at 12:59:14PM -0700, Eric W. Biederman wrote:
>> The network device deletion batching code has gone in, which is
>> a big help, as have some dev_put deletions, so we hit that 250ms
>> delay less often.
>
> I'll see how much that helps. Odds are I'm going to have to move the
> device deletion into a separate thread. That should give me a natural
> boundary to queue up deletions at, which should fix the tunnel-flap and
> partial tunnel-flap cases I'm worried about. At some point I have to
> figure out how to get my API needs met by the in-kernel L2TP code, but
> that's a worry for another day.
In case it is useful, if you delete a network namespace in general
all of the network device deletions can be batched.
Eric
next prev parent reply other threads:[~2010-08-09 21:17 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-10-17 22:18 [PATCH/RFC] make unregister_netdev() delete more than 4 interfaces per second Benjamin LaHaise
2009-10-18 4:26 ` Eric Dumazet
2009-10-18 16:13 ` Benjamin LaHaise
2009-10-18 17:51 ` Eric Dumazet
2009-10-18 18:21 ` Benjamin LaHaise
2009-10-18 19:36 ` Eric Dumazet
2009-10-21 12:39 ` Octavian Purdila
2009-10-21 15:40 ` [PATCH] net: allow netdev_wait_allrefs() to run faster Eric Dumazet
2009-10-21 16:09 ` Eric Dumazet
2009-10-21 16:51 ` Benjamin LaHaise
2009-10-21 19:54 ` Eric Dumazet
2009-10-29 23:07 ` Eric W. Biederman
2009-10-29 23:38 ` Benjamin LaHaise
2009-10-30 1:45 ` Eric W. Biederman
2009-10-30 14:35 ` Benjamin LaHaise
2009-10-30 14:43 ` Eric Dumazet
2009-10-30 23:25 ` Eric W. Biederman
2009-10-30 23:53 ` Benjamin LaHaise
2009-10-31 0:37 ` Eric W. Biederman
2010-08-09 17:23 ` Ben Greear
2010-08-09 17:34 ` Benjamin LaHaise
2010-08-09 17:44 ` Ben Greear
2010-08-09 17:48 ` Benjamin LaHaise
2010-08-09 18:03 ` Ben Greear
2010-08-09 19:59 ` Eric W. Biederman
2010-08-09 21:03 ` Benjamin LaHaise
2010-08-09 21:17 ` Eric W. Biederman [this message]
2009-10-21 16:55 ` Octavian Purdila
2009-10-23 21:13 ` Paul E. McKenney
2009-10-24 4:35 ` Eric Dumazet
2009-10-24 5:49 ` Paul E. McKenney
2009-10-24 8:49 ` Eric Dumazet
2009-10-24 13:52 ` Paul E. McKenney
2009-10-24 14:24 ` Eric Dumazet
2009-10-24 14:46 ` Paul E. McKenney
2009-10-24 23:49 ` Octavian Purdila
2009-10-25 4:47 ` Paul E. McKenney
2009-10-25 8:35 ` Eric Dumazet
2009-10-25 15:19 ` Octavian Purdila
2009-10-25 19:28 ` Eric Dumazet
2009-10-24 20:22 ` Stephen Hemminger
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=m1mxsvv63q.fsf@fess.ebiederm.org \
--to=ebiederm@xmission$(echo .)com \
--cc=bcrl@lhnet$(echo .)ca \
--cc=cratiu@ixiacom$(echo .)com \
--cc=eric.dumazet@gmail$(echo .)com \
--cc=greearb@candelatech$(echo .)com \
--cc=netdev@vger$(echo .)kernel.org \
--cc=opurdila@ixiacom$(echo .)com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox