[Devel] [RFC][PATCH 3/4]: Enable multiple mounts of /dev/pts

[Oren Laadan]

Serge E. Hallyn wrote:
> Quoting Oren Laadan (orenl at cs.columbia.edu):
>>
>> Serge E. Hallyn wrote:
>>> Quoting Oren Laadan (orenl at cs.columbia.edu):
>>>> Serge E. Hallyn wrote:
>>>>> Quoting Pavel Emelyanov (xemul at openvz.org):
>>>>>> Serge E. Hallyn wrote:
>>>>>>> Quoting Pavel Emelyanov (xemul at openvz.org):
>>>>>>>> sukadev at us.ibm.com wrote:
>>>>>>>>> From: Sukadev Bhattiprolu <sukadev at us.ibm.com>
>>>>>>>>> Subject: [RFC][PATCH 3/4]: Enable multiple mounts of /dev/pts
>>>> [SNIP]
>>>>

[SNIP again]

>>>>>> Besides, I planned to include legacy ptys virtualization and console
>>>>>> virtualizatin in this namespace, but it seems, that it is not present
>>>>>> in this particular one.
>>>>> I had been thinking the consoles would have their own ns, since there's
>>>>> really nothing linking them,  but there really is no good reason why
>>>>> userspace should ever want them separate.  So I'm fine with combining
>>>>> them.
>>>> If you want to run something like an X server inside each container
>>>> (eg each container holds a desktop session of a different user), then
>>>> you need a separate virtual-console namespace for each container.
>>> Ok, but whether the consoles and devpts are unshared with the same
>>> cloneflag or not isn't an issue, right?
>> true. (I misread your comment.)
>> (
>> modulo that we are additional-clone-flags-challenged ...)
> 
> Right, plus the fact that the number of clone flags involved becomes
> almost obscene.  Let's see if Pavel and Suka have a preference, since
> one of them seems likely to end up coding it  :)
> 
>>>> (yes, X per-se needs to provide remote display as opposed to use
>>>> local hardware; see http://www.ncl.cs.columbia.edu/research/thinc/)
> 
> Nice, by the way :)
> 

Thanks :)

Still off-topic, this is even nicer (also requires ultrafast checkpoint):
http://www.ncl.cs.columbia.edu/publications/sosp2007_dejaview

>>> -serge
> 
> thanks,
> -serge
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