lkml.org 
[lkml]   [2008]   [Jul]   [3]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [RFC][PATCH] CGroups: Add a per-subsystem hierarchy lock


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



\
 
 \ /
  Last update: 2008-07-03 10:55    [from the cache]
©2003-2011 Jasper Spaans