From: David Miller <davem@davemloft.net>
To: tglx@linutronix.de
Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
kaber@trash.net, peterz@infradead.org
Subject: Re: [patch 0/3] net: Sanitizing hrtimer usage in net/sched/sch_cbq.c
Date: Sun, 12 Jul 2009 13:57:32 -0700 (PDT) [thread overview]
Message-ID: <20090712.135732.157815709.davem@davemloft.net> (raw)
In-Reply-To: <20090709215455.703939259@linutronix.de>
From: Thomas Gleixner <tglx@linutronix.de>
Date: Thu, 09 Jul 2009 21:59:18 -0000
> While looking at the "Soft-Lockup/Race in networking in 2.6.31-rc1+195
> ( possibly caused by netem)" issue (http://lkml.org/lkml/2009/7/2/519)
> I noticed some serious problems in the hrtimer related code of
> net/sched/sched/sch_cbq.c.
>
> The following patch series addresses these.
>
> I'm not entirely sure whether patch [1/3] covers all possible
> concurrent modifications, but it fixes the most obvious ones. The
> remaining details are left to the networking experts.
>
> Patches [1/3] and [2/3] might be stable material as well.
I'm holding off on this entire set until we figure out what
to really do with the CBQ hrtimer situation. See my reply
to patch #1, thanks.
prev parent reply other threads:[~2009-07-12 20:57 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-07-09 21:59 [patch 0/3] net: Sanitizing hrtimer usage in net/sched/sch_cbq.c Thomas Gleixner
2009-07-09 21:59 ` [patch 1/3] net: serialize hrtimer callback in sched_cbq Thomas Gleixner
2009-07-12 20:55 ` David Miller
2009-07-14 8:22 ` Patrick McHardy
2009-07-14 8:30 ` Peter Zijlstra
2009-07-14 16:01 ` David Miller
2009-07-14 8:55 ` Thomas Gleixner
2009-07-14 16:00 ` David Miller
2009-07-14 16:28 ` Peter Zijlstra
2009-07-14 16:42 ` Linus Torvalds
2009-07-17 12:14 ` Peter Zijlstra
2009-07-17 13:26 ` Oliver Hartkopp
2009-07-17 15:44 ` Linus Torvalds
2009-07-22 3:18 ` David Miller
2009-07-22 6:29 ` Peter Zijlstra
2009-07-22 12:28 ` [PATCH] softirq: tasklet_hrtimer Peter Zijlstra
2009-07-22 15:39 ` David Miller
2009-07-22 16:01 ` Linus Torvalds
2009-07-15 9:56 ` [patch 1/3] net: serialize hrtimer callback in sched_cbq Oliver Hartkopp
2009-07-09 21:59 ` [patch 2/3] net: sanitize hrtimer usage " Thomas Gleixner
2009-07-09 21:59 ` [patch 3/3] net: use HRTIMER_RESTART " Thomas Gleixner
2009-07-10 0:39 ` [patch 0/3] net: Sanitizing hrtimer usage in net/sched/sch_cbq.c David Miller
2009-07-12 20:57 ` David Miller [this message]
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