[Ksummit-2010-discuss] checkpoint-restart: naked patch

Tejun Heo tj at kernel.org
Fri Nov 19 08:10:26 PST 2010


On 11/19/2010 05:01 PM, Alexey Dobriyan wrote:
> On Fri, Nov 19, 2010 at 6:00 PM, Alexey Dobriyan <adobriyan at gmail.com> wrote:
>>>> - setting different statistics counters (like netdev stats etc.)
>>>> and so on...
>>>
>>> Why would this matter?
>>
>> Because you'll introduce million stupid interfaces not interesting to
>> anyone but C/R.
> 
> Just like CLONE_SET_PID.

Well, if you ask me, having pidns w/o a way to reinstate PID from
userland is pretty silly and you and I might not know yet but it's
quite imaginable that there will be other use cases for the capability
unlike in-kernel CR.  Kernel provides building blocks not the whole
frigging package and for very good reasons.

-- 
tejun


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