[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
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