From: Max Krasnyansky <maxk@qualcomm.com>
To: Paul Menage <menage@google.com>
Cc: a.p.zijlstra@chello.nl, pj@sgi.com, vegard.nossum@gmail.com,
linux-kernel@vger.kernel.org
Subject: Re: [RFC][PATCH] CGroups: Add a per-subsystem hierarchy lock
Date: Wed, 02 Jul 2008 21:46:54 -0700 [thread overview]
Message-ID: <486C59BE.3020400@qualcomm.com> (raw)
In-Reply-To: <6599ad830807021531r16013460re28f813be8293d6c@mail.gmail.com>
Paul Menage wrote:
> On Tue, Jul 1, 2008 at 8:55 PM, Max Krasnyansky <maxk@qualcomm.com> wrote:
>> I was about to say "yeah, looks good" and then tried a couple of
>> different hot-plug scenarious.
>> We still have circular locking even with your patch
>>
>
> What sequence of actions do you do? I've not been able to reproduce a
> lockdep failure.
mkdir /dev/cpuset
mount -t cgroup -o cpuset cpuset /dev/cpuset
mkdir /dev/cpuset/0
mkdir /dev/cpuset/1
echo 0-2 > /dev/cpuset/0/cpuset.cpus
echo 3 > /dev/cpuset/1/cpuset.cpus
echo 0 > /dev/cpuset/cpuset.sched_load_balance
echo 0 > /sys/devices/system/cpu/cpu3/online
I just tried it again and got exact same lockdep output that I sent before.
Max
next prev parent reply other threads:[~2008-07-03 7:10 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-06-27 7:59 [RFC][PATCH] CGroups: Add a per-subsystem hierarchy lock Paul Menage
2008-06-28 0:02 ` Paul Menage
2008-07-02 3:55 ` Max Krasnyansky
2008-07-02 22:31 ` Paul Menage
2008-07-03 4:46 ` Max Krasnyansky [this message]
2008-07-10 17:26 ` Max Krasnyansky
2008-07-11 0:32 ` Paul Menage
2008-07-12 22:48 ` Max Krasnyansky
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