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

Gao feng gaofeng at cn.fujitsu.com
Wed Mar 27 05:26:10 UTC 2013


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.
> 

Hi Daniel,

what's your idea about this patch?

Thanks




More information about the libvir-list mailing list