From: Thomas Graf <tgraf@suug.ch>
To: Patrick McHardy <kaber@trash.net>
Cc: davem@davemloft.net, netdev@oss.sgi.com, spam@crocom.com.pl,
kuznet@ms2.inr.ac.ru, jmorris@redhat.com
Subject: Re: [PATCH] PKT_SCHED: Initialize list field in dummy qdiscs
Date: Sat, 6 Nov 2004 02:59:31 +0100 [thread overview]
Message-ID: <20041106015931.GA28715@postel.suug.ch> (raw)
In-Reply-To: <418C2D40.9020300@trash.net>
* Patrick McHardy <418C2D40.9020300@trash.net> 2004-11-06 02:47
> Nice work, I was really beginning to wonder. There's not that
> much that touches qdisc_list :)
Which might have been the problem, I've been focusing on this for
hours overlooking the obvious. The bug report was very well done,
maybe too good so I was at the root of the problem too fast. ;->
> The __qdisc_destroy rcu-callback is called in softirq context, when
> destroying a classful qdisc the qdisc destroy function might call
> qdisc_destroy again for an inner class.
Ahh... of course. I was looking through all callers of destroy multiple
times but somehow I managed to overlook the one in __qdisc_destroy
over and over. Thanks!
> >I guess I'm missing that little bit of experience but it would
> >help to use _rcu list variantes, would it?
> >
> Yes. Are you going to send a patch ?
Sure, tomorrow, if nobody preempts. I need some rest.
next prev parent reply other threads:[~2004-11-06 1:59 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-11-05 9:48 PROBLEM: IProute hangs after running traffic shaping scripts Szymon Miotk
2004-11-05 11:54 ` Thomas Graf
2004-11-05 14:16 ` [PATCH] PKT_SCHED: Initialize list field in dummy qdiscs Thomas Graf
2004-11-05 16:12 ` Patrick McHardy
2004-11-05 16:39 ` Thomas Graf
2004-11-05 17:26 ` Patrick McHardy
2004-11-05 17:58 ` Thomas Graf
2004-11-05 18:18 ` Patrick McHardy
2004-11-05 19:43 ` Thomas Graf
2004-11-06 1:18 ` Thomas Graf
2004-11-06 1:47 ` Patrick McHardy
2004-11-06 1:59 ` Thomas Graf [this message]
2004-11-06 14:50 ` Thomas Graf
2004-11-07 8:57 ` Patrick McHardy
2004-11-07 14:00 ` Thomas Graf
2004-11-07 16:19 ` Patrick McHardy
2004-11-07 16:33 ` Thomas Graf
2004-11-07 17:02 ` Patrick McHardy
2004-11-07 17:49 ` Thomas Graf
2004-11-07 18:22 ` Patrick McHardy
2004-11-07 19:08 ` Thomas Graf
2004-11-06 0:36 ` David S. Miller
2004-11-07 22:22 ` PROBLEM: IProute hangs after running traffic shaping scripts Patrick McHardy
2004-11-08 1:40 ` Patrick McHardy
2004-11-08 13:54 ` Thomas Graf
2004-11-08 16:12 ` Patrick McHardy
2004-11-08 18:33 ` Thomas Graf
2004-11-08 19:46 ` Patrick McHardy
2004-11-08 20:15 ` Thomas Graf
2004-11-10 0:18 ` David S. Miller
2004-11-10 0:40 ` Patrick McHardy
2004-11-10 0:55 ` Patrick McHardy
2004-11-10 6:13 ` David S. Miller
2004-11-10 12:08 ` Szymon Miotk
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