[libvirt] [PATCH 4/4] LXC: add cpuset cgroup support for lxc

Gao feng gaofeng at cn.fujitsu.com
Mon Mar 18 07:58:18 UTC 2013


On 2013/03/18 11:19, Osier Yang wrote:
> On 2013年03月18日 10:27, Gao feng wrote:
>> On 2013/03/15 17:24, Osier Yang wrote:
>>> On 2013年03月01日 14:52, Gao feng wrote:
>>>> This patch adds cpuset cgroup support for LXC.
>>>> also set cpuset cgroup before setting cpu
>>>> affinity and numa policy.
>>>
>>> Any special reason to move lxcSetupCgroup before the CPU affinity
>>> and NUMA setttings?
>>>
>>
>> Through it has no functional difference which step is done first.
>> But consider sched_setaffinity will be affected by cpuset cgroup,
> 
> Not sure if this solve the affection. As sched_setaffinity after
> the cgroup setting might fail? But this is the history problem,
> and we don't have a way yet.
> 

Yes, set cpu cgroup before sched_setaffinity may cause libvirt lxc
start failed. I will drop this change.

Thanks!




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