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From: Jarek Poplawski <jarkao2@gmail.com>
To: David Miller <davem@davemloft.net>
Cc: herbert@gondor.apana.org.au, netdev@vger.kernel.org
Subject: Re: [PATCH take 2] pkt_sched: Fix qdisc_watchdog() vs. dev_deactivate() race
Date: Thu, 21 Aug 2008 08:47:58 +0000	[thread overview]
Message-ID: <20080821084758.GA3510@ff.dom.local> (raw)
In-Reply-To: <20080821083506.GB3135@ff.dom.local>

On Thu, Aug 21, 2008 at 08:35:06AM +0000, Jarek Poplawski wrote:
> On Thu, Aug 21, 2008 at 08:27:21AM +0000, Jarek Poplawski wrote:
> ...
> > Probably it's too early in the morning, 
> 
> It's for sure...
> 
> > BTW, it looks like currently we do this wrong: if it's really
> > dectivated we're checking &noop_qdisc for this...
> 
> ...and it's OK, yet.

Anyway, it's tricky: we have 2 deactivation cases to care for:

1) a "real" (sleeping) qdisc and __QDISC_STATE_DEACTIVATED
2) a &noop_qdisc and not __QDISC_STATE_DEACTIVATED

Jarek P.

  reply	other threads:[~2008-08-21  8:48 UTC|newest]

Thread overview: 209+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-08-11 20:53 [PATCH] pkt_sched: Destroy gen estimators under rtnl_lock() Jarek Poplawski
2008-08-12  1:12 ` David Miller
2008-08-12  5:20   ` Jarek Poplawski
2008-08-12  5:40     ` David Miller
2008-08-12  7:00       ` Jarek Poplawski
2008-08-12  8:15         ` David Miller
2008-08-12 10:38           ` Jarek Poplawski
2008-08-13  4:30           ` Herbert Xu
2008-08-13  5:11             ` David Miller
2008-08-13  5:31               ` Herbert Xu
2008-08-13  9:30                 ` David Miller
2008-08-13  6:13               ` Jarek Poplawski
2008-08-13  6:16                 ` David Miller
2008-08-13  6:53                   ` Jarek Poplawski
2008-08-13  7:31                     ` Jarek Poplawski
2008-08-13  9:25                     ` David Miller
2008-08-13  9:58                       ` Herbert Xu
2008-08-13 10:27                       ` Jarek Poplawski
2008-08-13 10:42                         ` Jarek Poplawski
2008-08-13 10:42                         ` Herbert Xu
2008-08-13 10:50                           ` Jarek Poplawski
2008-08-13 22:19                             ` David Miller
2008-08-14  7:59                               ` Jarek Poplawski
2008-08-14  8:16                                 ` Herbert Xu
2008-08-14  8:31                                   ` Jarek Poplawski
2008-08-14  8:33                                     ` Herbert Xu
2008-08-14  8:44                                       ` Jarek Poplawski
2008-08-14  8:52                                         ` Jarek Poplawski
2008-08-17 22:57                                           ` David Miller
2008-08-17 23:03                                             ` David Miller
2008-08-18  1:25                                               ` Herbert Xu
2008-08-18  1:35                                                 ` David Miller
2008-08-18  1:36                                                   ` Herbert Xu
2008-08-18  1:49                                                     ` David Miller
2008-08-18  4:27                                                       ` Herbert Xu
2008-08-18  4:31                                                         ` David Miller
2008-08-18  4:36                                                           ` Herbert Xu
2008-08-18  5:13                                                             ` David Miller
2008-08-18  6:08                                                               ` Denys Fedoryshchenko
2008-08-18  6:13                                                                 ` David Miller
2008-08-18  6:27                                                       ` Jarek Poplawski
2008-08-18  6:38                                                         ` David Miller
2008-08-18 21:29                                                       ` Jarek Poplawski
2008-08-18 23:47                                                         ` David Miller
2008-08-19 10:31                                                           ` Jarek Poplawski
2008-08-19 10:51                                                             ` Herbert Xu
2008-08-19 10:54                                                               ` David Miller
2008-08-19 10:55                                                                 ` Herbert Xu
2008-08-19 10:58                                                                   ` Herbert Xu
2008-08-19 11:02                                                                     ` David Miller
2008-08-19 11:11                                                                       ` Herbert Xu
2008-08-19 16:48                                                                       ` Jarek Poplawski
2008-08-19 22:23                                                                         ` Herbert Xu
2008-08-20 11:56                                                                           ` [PATCH] pkt_sched: Fix qdisc_watchdog() vs. dev_deactivate() race Jarek Poplawski
2008-08-20 12:16                                                                             ` Herbert Xu
2008-08-21  5:17                                                                             ` Jarek Poplawski
2008-08-21  5:49                                                                           ` [PATCH take 2] " Jarek Poplawski
2008-08-21  6:10                                                                             ` Herbert Xu
2008-08-21  6:49                                                                               ` Jarek Poplawski
2008-08-21  7:16                                                                                 ` Herbert Xu
2008-08-21  7:52                                                                                   ` David Miller
2008-08-21  8:00                                                                                     ` Herbert Xu
2008-08-21  8:27                                                                                     ` Jarek Poplawski
2008-08-21  8:35                                                                                       ` Jarek Poplawski
2008-08-21  8:47                                                                                         ` Jarek Poplawski [this message]
2008-09-11 10:39                                                                                     ` David Miller
2008-09-11 10:45                                                                                       ` Herbert Xu
2008-09-11 10:49                                                                                         ` David Miller
2008-09-11 11:00                                                                                           ` Herbert Xu
2008-09-11 11:42                                                                                             ` David Miller
2008-09-11 11:45                                                                                               ` Herbert Xu
2008-09-11 11:47                                                                                                 ` David Miller
2008-09-12  4:49                                                                                                   ` David Miller
2008-09-12  8:02                                                                                                     ` Jarek Poplawski
2008-09-12 23:10                                                                                                       ` David Miller
2008-09-13  1:10                                                                                                         ` Herbert Xu
2008-09-13  1:22                                                                                                           ` David Miller
2008-09-13  1:27                                                                                                             ` Herbert Xu
2008-09-13  1:40                                                                                                               ` David Miller
2008-09-13  1:48                                                                                                                 ` Herbert Xu
2008-09-13 20:54                                                                                                                   ` Jarek Poplawski
2008-09-14  6:16                                                                                                                     ` Herbert Xu
2008-09-14 10:31                                                                                                                       ` Alexander Duyck
2008-09-14 21:43                                                                                                                         ` Jarek Poplawski
2008-09-14 22:13                                                                                                                           ` Herbert Xu
2008-09-15  6:07                                                                                                                             ` Jarek Poplawski
2008-09-15  6:19                                                                                                                               ` Herbert Xu
2008-09-15  7:20                                                                                                                                 ` Jarek Poplawski
2008-09-15  7:45                                                                                                                                   ` Jarek Poplawski
2008-09-15 23:44                                                                                                                                     ` Duyck, Alexander H
2008-09-16 10:47                                                                                                                                       ` Jarek Poplawski
2008-09-17  2:31                                                                                                                                         ` Alexander Duyck
2008-09-14 11:56                                                                                                                       ` jamal
2008-09-14 20:27                                                                                                                       ` Jarek Poplawski
2008-09-20  7:21                                                                                                                         ` David Miller
2008-09-20  7:25                                                                                                                           ` Herbert Xu
2008-09-20  7:28                                                                                                                             ` David Miller
2008-09-20 23:48                                                                                                                           ` Jarek Poplawski
2008-09-21  5:35                                                                                                                             ` David Miller
2008-09-21  5:50                                                                                                                               ` David Miller
2008-09-21  6:38                                                                                                                                 ` Herbert Xu
2008-09-21  7:03                                                                                                                                   ` David Miller
2008-09-23  6:23                                                                                                                                     ` Herbert Xu
2008-09-24  7:15                                                                                                                                       ` Jarek Poplawski
2008-09-24  8:04                                                                                                                                         ` Herbert Xu
2008-09-24  8:28                                                                                                                                           ` Jarek Poplawski
2008-09-21 15:25                                                                                                                                 ` Jarek Poplawski
2008-09-21  9:57                                                                                                                               ` Jarek Poplawski
2008-09-21 10:18                                                                                                                                 ` David Miller
2008-09-21 11:15                                                                                                                                   ` Jarek Poplawski
2008-09-23  5:16                                                                                                                                     ` David Miller
2008-09-23  8:02                                                                                                                                       ` Jarek Poplawski
2008-09-23  8:06                                                                                                                                         ` David Miller
2008-09-11 11:51                                                                                             ` Jarek Poplawski
2008-09-11 11:54                                                                                               ` Herbert Xu
2008-09-11 12:10                                                                                                 ` Jarek Poplawski
2008-09-11 12:34                                                                                                 ` Jarek Poplawski
2008-08-21 12:11                                                                             ` David Miller
2008-08-14  8:17                               ` [PATCH] pkt_sched: Destroy gen estimators under rtnl_lock() Jarek Poplawski
2008-08-14 11:24                               ` Jarek Poplawski
2008-08-17 13:42                                 ` Jarek Poplawski
2008-08-17 21:34                                   ` David Miller
2008-08-17 22:22                                     ` Jarek Poplawski
2008-08-17 22:32                                       ` David Miller
2008-08-18 20:12                                         ` Jarek Poplawski
2008-08-18 23:54                                           ` David Miller
2008-08-19  0:05                                             ` Herbert Xu
2008-08-19  0:11                                               ` David Miller
2008-08-19  4:07                                                 ` David Miller
2008-08-19  5:27                                                   ` Ilpo Järvinen
2008-08-19  5:30                                                     ` David Miller
2008-08-19  6:46                                                   ` Jarek Poplawski
2008-08-19  7:03                                                     ` David Miller
2008-08-19  7:23                                                       ` Jarek Poplawski
2008-08-19  7:23                                                     ` Herbert Xu
2008-08-19  7:35                                                       ` Jarek Poplawski
2008-08-19  7:46                                                         ` Herbert Xu
2008-08-19  7:56                                                           ` Jarek Poplawski
2008-08-19  8:05                                                             ` Herbert Xu
2008-08-19  8:17                                                               ` Jarek Poplawski
2008-08-19  8:23                                                                 ` Herbert Xu
2008-08-19  8:32                                                                   ` David Miller
2008-08-19  8:41                                                                     ` Jarek Poplawski
2008-08-19  8:48                                                                       ` David Miller
2008-08-19  8:50                                                                     ` Herbert Xu
2008-08-19  8:39                                                                   ` Jarek Poplawski
2008-08-19  8:55                                                                     ` Herbert Xu
2008-08-19  9:16                                                                       ` Jarek Poplawski
2008-08-21 10:01                                                                         ` Jarek Poplawski
2008-08-21 10:05                                                                           ` David Miller
2008-08-21 10:11                                                                             ` Jarek Poplawski
2008-08-21 10:18                                                                               ` Jarek Poplawski
2008-08-21 10:21                                                                                 ` Herbert Xu
2008-08-21 10:23                                                                                   ` Herbert Xu
2008-08-21 10:33                                                                                     ` Jarek Poplawski
2008-08-21 10:51                                                                                       ` Herbert Xu
2008-08-21 11:20                                                                                         ` Jarek Poplawski
2008-08-21 11:26                                                                                           ` Herbert Xu
2008-08-21 11:55                                                                                             ` Jarek Poplawski
2008-08-21 12:01                                                                                               ` Herbert Xu
2008-08-21 12:19                                                                                                 ` Jarek Poplawski
2008-08-21 12:22                                                                                                   ` Herbert Xu
2008-08-21 12:27                                                                                                     ` David Miller
2008-08-21 12:35                                                                                                       ` Herbert Xu
2008-08-21 12:48                                                                                                         ` Herbert Xu
2008-08-21 12:55                                                                                                           ` Jarek Poplawski
2008-08-21 13:12                                                                                                             ` Herbert Xu
2008-08-21 18:58                                                                                                               ` Jarek Poplawski
2008-08-21 21:14                                                                                                                 ` Jarek Poplawski
2008-08-21 22:23                                                                                                                 ` Herbert Xu
2008-08-22  8:49                                                                                                                   ` Jarek Poplawski
2008-08-22  8:55                                                                                                                     ` David Miller
2008-08-22 10:07                                                                                                                       ` Herbert Xu
2008-08-22 10:27                                                                                                                         ` David Miller
2008-08-22 11:02                                                                                                                           ` Herbert Xu
2008-08-22 11:38                                                                                                                   ` Jarek Poplawski
2008-08-22 11:42                                                                                                                     ` David Miller
2008-08-22 12:09                                                                                                                       ` Jarek Poplawski
2008-08-22 12:11                                                                                                                         ` Herbert Xu
2008-08-22 12:18                                                                                                                           ` David Miller
2008-08-22 12:45                                                                                                                             ` Herbert Xu
2008-08-24 23:26                                                                                                                               ` Stephen Hemminger
2008-08-24 23:49                                                                                                                                 ` Herbert Xu
2008-08-25  0:29                                                                                                                                   ` Stephen Hemminger
2008-08-26  7:35                                                                                                                                     ` Herbert Xu
2008-08-26  7:47                                                                                                                                       ` Herbert Xu
2008-08-26 12:24                                                                                                                                         ` Stephen Hemminger
2008-08-26 12:41                                                                                                                                           ` Herbert Xu
2008-08-26 12:50                                                                                                                                             ` Stephen Hemminger
2008-08-26 12:56                                                                                                                                               ` Herbert Xu
2008-08-27 12:17                                                                                                                                               ` Bastian Bloessl
2008-08-27  9:32                                                                                                                                         ` David Miller
2008-08-27  9:56                                                                                                                                           ` Herbert Xu
2008-08-22 12:25                                                                                                                           ` Jarek Poplawski
2008-08-23 12:15                                                                                                                 ` David Miller
2008-08-21 20:40                                                                                                           ` Jarek Poplawski
2008-08-21 22:24                                                                                                             ` Herbert Xu
2008-08-22  8:41                                                                                                               ` [PATCH] pkt_sched: Fix qdisc list locking Jarek Poplawski
2008-08-22 10:14                                                                                                                 ` Herbert Xu
2008-08-22  9:27                                                                                                               ` [PATCH take 2] " Jarek Poplawski
2008-08-22 10:15                                                                                                                 ` Herbert Xu
2008-08-22 10:28                                                                                                                   ` David Miller
2008-08-22 10:23                                                                                                                 ` David Miller
2008-08-21 12:49                                                                                                         ` [PATCH] pkt_sched: Destroy gen estimators under rtnl_lock() Jarek Poplawski
2008-08-21 12:51                                                                                                           ` Herbert Xu
2008-08-21 12:06                                                                                               ` David Miller
2008-08-21 10:18                                                                           ` Herbert Xu
2008-08-12 22:02 ` [PATCH take 2] pkt_sched: Protect gen estimators under est_lock Jarek Poplawski
2008-08-13 22:20   ` David Miller

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