From: Jarek Poplawski <jarkao2@o2.pl>
To: Herbert Xu <herbert@gondor.apana.org.au>
Cc: greearb@candelatech.com, netdev@vger.kernel.org, davem@davemloft.net
Subject: Re: [PATCH] igmp: spin_lock_bh in timer (Re: BUG: soft lockup detected on CPU#0!)
Date: Fri, 22 Dec 2006 13:53:27 +0100 [thread overview]
Message-ID: <20061222125327.GA3138@ff.dom.local> (raw)
In-Reply-To: <E1GxiO6-0004kx-00@gondolin.me.apana.org.au>
On Fri, Dec 22, 2006 at 10:16:30PM +1100, Herbert Xu wrote:
> Jarek Poplawski <jarkao2@o2.pl> wrote:
> >
> > [PATCH] igmp: spin_lock_bh in timer
> >
> > igmp_timer_expire() uses spin_lock(&im->lock)
> > but this lock is also taken by other igmp timers,
> > so it should be changed to bh version.
>
> When you're in a timer BH is already disabled. So this patch
> is redundant.
Yes, I recognized this "after the damage was done".
Thanks and regards,
Jarek P.
next prev parent reply other threads:[~2006-12-22 12:52 UTC|newest]
Thread overview: 64+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-12-20 2:13 BUG: soft lockup detected on CPU#0! (2.6.18.2 plus hacks) Ben Greear
2006-12-22 7:13 ` [PATCH] igmp: spin_lock_bh in timer (Re: BUG: soft lockup detected on CPU#0!) Jarek Poplawski
2006-12-22 7:42 ` Jarek Poplawski
2006-12-22 13:47 ` Ben Greear
2006-12-22 14:05 ` Ben Greear
2006-12-27 8:24 ` Jarek Poplawski
2006-12-27 16:16 ` Ben Greear
2006-12-28 12:56 ` Jarek Poplawski
2006-12-29 11:16 ` Jarek Poplawski
2006-12-22 9:48 ` Jarek Poplawski
2006-12-22 11:16 ` Herbert Xu
2006-12-22 12:53 ` Jarek Poplawski [this message]
2007-01-02 5:00 ` BUG: soft lockup detected on CPU#0! (2.6.18.2 plus hacks) Ben Greear
2007-01-02 7:39 ` Jarek Poplawski
2007-01-02 8:23 ` Jarek Poplawski
2007-01-02 9:23 ` Jarek Poplawski
2007-01-02 23:35 ` David Stevens
2007-01-02 23:43 ` Ben Greear
2007-01-03 8:07 ` Jarek Poplawski
2007-01-03 8:28 ` Jarek Poplawski
2007-01-03 16:53 ` Ben Greear
2007-01-03 22:14 ` David Stevens
2007-01-03 23:13 ` David Stevens
2007-01-03 23:35 ` Ben Greear
2007-01-03 23:56 ` David Stevens
2007-01-04 0:30 ` Herbert Xu
2007-01-04 1:02 ` Ben Greear
2007-01-04 1:14 ` Herbert Xu
2007-01-04 5:41 ` David Stevens
2007-01-04 5:34 ` David Stevens
2007-01-04 6:26 ` Herbert Xu
2007-01-04 8:03 ` Jarek Poplawski
2007-01-04 8:29 ` Herbert Xu
2007-01-04 8:50 ` Jarek Poplawski
2007-01-04 10:27 ` Herbert Xu
2007-01-04 11:04 ` Jarek Poplawski
2007-01-04 17:04 ` Ben Greear
2007-01-05 13:55 ` Jarek Poplawski
2007-01-04 20:33 ` David Miller
2007-01-05 6:38 ` Jarek Poplawski
2007-01-05 9:38 ` Herbert Xu
2007-01-05 11:19 ` [PATCH] devinet: inetdev_init out label moved after RCU assignment Jarek Poplawski
2007-01-05 11:23 ` Herbert Xu
2007-01-05 11:37 ` Jarek Poplawski
2007-01-09 22:38 ` David Miller
2007-01-05 19:52 ` David Stevens
2007-01-05 20:33 ` BUG: soft lockup detected on CPU#0! (2.6.18.2 plus hacks) Ben Greear
2007-01-05 20:34 ` David Miller
2007-01-08 6:53 ` Jarek Poplawski
2007-01-08 16:57 ` Ben Greear
2007-01-08 18:03 ` Stephen Hemminger
2007-01-09 8:10 ` Jarek Poplawski
2007-01-10 9:04 ` Jarek Poplawski
2007-01-10 12:50 ` Jarek Poplawski
2007-01-10 20:01 ` Stephen Hemminger
2007-01-11 7:24 ` Jarek Poplawski
2007-01-11 7:40 ` David Miller
2007-01-11 8:29 ` Jarek Poplawski
2007-01-11 8:35 ` Jarek Poplawski
2007-01-11 8:39 ` Jarek Poplawski
2007-01-11 9:27 ` David Miller
2007-01-11 11:09 ` Jarek Poplawski
2007-01-11 17:42 ` RCU info Stephen Hemminger
2007-01-12 12:19 ` Jarek Poplawski
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