Re: [PATCH 1/4] Virtualization/containers: introduction

[Kirill Korotaev <dev@openvz.org>]

>>To deal with networking there are currently a significant number of
>>variables with static storage duration.  Making those variables global
>>and placing them in structures is neither as efficient as it could be
>>nor is it as maintainable as it should be.  Other subsystems have
>>similar problems.
> 
> 
> BTW, there is another solution, which you may or may not consider to
> be clean.
> 
> That is to load a separate copy of the subsystem (code and data) as a
> module when you want a new instance of it.  The code doesn't change,
> but you probably have to move it around some and provide some sort of
> interface to it.
> 
> I did this to the scheduler last year - see
> 	http://marc.theaimsgroup.com/?l=linux-kernel&m=111404726721747&w=2
It's really interesting!
Have you tested fairness of your solution and it's performance overhead?

Kirill