[Devel] Re: [RFC][PATCH 2/7] VPIDs: pid/vpid conversions

[Serge E. Hallyn]

Quoting Alexey Kuznetsov (kuznet at ms2.inr.ac.ru):
> Hello!
> 
> > In capability.c it does for_each_thread or something like that.  It is
> > very similar to cap_set_pg.  But in a virtual context all != all :)
> 
> Do you mean that VPID patch does not include this? Absolutely.
> VPIDs are not to limit access, the patch virtualizes pids, rather
> than deals with access policy.
> 
> Take the whole openvz. Make patch -R < vpid_patch. The result is perfectly
> working openvz. Only pids are not virtual, which does not matter. Capisco?
> 
> 
> > I think for people doing migration a private pid space in some form is
> > necessary, 
> 
> Not "private", but "virtual". VPIDs are made only for migration, not for fun.
> 
> And word "private" is critical, f.e. for us preserving some form of pid
> space is critical. It is very sad, but we cannot do anything with this,

Hi,

do you mean "preserving some sort of *global* pidspace"?

If not, then I also don't understand what you're saying...

thanks,
-serge