[Devel] [patch rh7 1/2] cgroup: mount -- Disable mounting from inside of VE context

[Vladimir Davydov]

On Tue, May 26, 2015 at 06:00:51PM +0300, Cyrill Gorcunov wrote:
> Even mounting knowing cgroups (ie ones which already known to VE and
> been mounted by vzctl or any other tool for containter sake) is not
> that harmless as it might look like. In particular this introduce
> additional performance hit. So because we are using bindmount
> strategy to grant cgorups to VE we don't need to mount it from
> inside of VE anymore and can simply disable.
> 
> Signed-off-by: Cyrill Gorcunov <gorcunov at virtuozzo.com>
> CC: Vladimir Davydov <vdavydov at virtuozzo.com>
> CC: Konstantin Khorenko <khorenko at virtuozzo.com>
> CC: Pavel Emelyanov <xemul at virtuozzo.com>
> CC: Andrey Vagin <avagin at virtuozzo.com>

Acked-by: Vladimir Davydov <vdavydov at parallels.com>

It is worth mentioning that this patch reverts commit 8d96fa6e147c
("ve/cgroup: Allow mounting existing cgroups inside container").