Messages in this thread | | | Date | Wed, 02 Jul 2008 21:46:54 -0700 | From | Max Krasnyansky <> | Subject | Re: [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
| |