Sukadev Bhattiprolu wrote:
>> Gregory Kurz proposed a solution:
>>    * when shutdown is called and we are not in the init pidns, then we kill 
>> the process 1 of the pidnamespace.
>>    * when reboot is called and we are not in the init pidns, then we reexec 
>> the init process, using the same command line. I guess this one could be 
>> easily retrieved if we are able to display /proc/1/cmdline ;)
>>
>> IMHO, this is a good proposition because it is generic and intuitive, no ?
>>
>> What do you thing ?
>>     
>
> Yes, I think it makes sense. Do we have any prototype patches that
> implement this behavior ?
>   
I have a simple prototype for the first case, added in attachment.
For the second case, I didn't had time to do it yet as it is not so 
trivial because we force an exec of another process.