[libvirt] [PATCH 2/2] LXC: rework mounting cgroupfs in container

Daniel P. Berrange berrange at redhat.com
Fri Apr 5 11:29:18 UTC 2013


On Fri, Apr 05, 2013 at 10:16:43AM +0800, Gao feng wrote:
> On 2013/03/27 13:26, Gao feng wrote:
> > On 2013/03/20 16:14, Gao feng wrote:
> >> There are 3 reason we need to rework the cgroupfs
> >> mounting in container.
> >>
> >> 1, Yin Olivia reported a "failed to mount cgroup"
> >>    problem, now we given that the name of cgroup mount point
> >>    is same with the subsystem type, Or libvirt_lxc
> >>    will fail to start.
> >>
> >> 2, The cgroup configuration is leaked to the container,
> >>    even user can change host's cgroup configuration in
> >>    container.
> >>
> >> 3, After we enable userns, the cgroupfs is unable to be
> >>    mounted in uninit-userns.
> >>
> >> This patch tries to resolve these 3 problem,
> >> uses mount --bind to set cgroupfs for container.
> >>
> >> It means the directory /sys/fs/cgroup/memory/libvirt/lxc/domain
> >> of host will be binded to the directory /sys/fs/cgroup/memory of
> >> container.
> >>
> > 
> > what's your idea about this patch?
> > 
> 
> Ping Again

The pach has the right idea, but it clashes with the refactoring I've
done for cgroups and LXC. I'll update your patch to apply ontop of this
series:

  https://www.redhat.com/archives/libvir-list/2013-April/msg00352.html

and copy you on the mail when i post it.

Regards,
Daniel
-- 
|: http://berrange.com      -o-    http://www.flickr.com/photos/dberrange/ :|
|: http://libvirt.org              -o-             http://virt-manager.org :|
|: http://autobuild.org       -o-         http://search.cpan.org/~danberr/ :|
|: http://entangle-photo.org       -o-       http://live.gnome.org/gtk-vnc :|




More information about the libvir-list mailing list