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: Thu, 09 Jul 2009 17:39:30 -0700 (PDT) [thread overview]
Message-ID: <20090709.173930.195849446.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.
Thanks a lot for these paches Thomas, I'll look at them more
closely.
next prev parent reply other threads:[~2009-07-10 0:39 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 ` David Miller [this message]
2009-07-12 20:57 ` [patch 0/3] net: Sanitizing hrtimer usage in net/sched/sch_cbq.c David Miller
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