[Devel] Re: [RFC][PATCH 1/2] add user namespace [try #2]

Herbert Poetzl herbert at 13thfloor.at
Thu Sep 7 22:57:53 PDT 2006


On Thu, Sep 07, 2006 at 02:01:00PM -0600, Eric W. Biederman wrote:
> Kirill Korotaev <dev at sw.ru> writes:
> 
> > BTW...
> >
> >> --- 2.6.18-rc4-mm3.orig/include/linux/sched.h
> >> +++ 2.6.18-rc4-mm3/include/linux/sched.h
> >> @@ -26,6 +26,7 @@
> >> #define CLONE_STOPPED 0x02000000 /* Start in stopped state */
> >>  #define CLONE_NEWUTS		0x04000000	/* New utsname group? */
> >>  #define CLONE_NEWIPC		0x08000000	/* New ipcs */
> >> +#define CLONE_NEWUSER		0x10000000	/* New user */
> > we have place for 3 namespaces more only.
> > Does anyone have a plan what to do then?
> > I warned about this at the beginning when we were discussing the interfaces
> > and this flags soon going to be exhausted, so probably it is time to
> > do something in advance...
> 
> Actually there is another unused bit in the middle :)
> Plus there are a bunch of bits that unshare can use but clone can't.
> Plus what other namespaces are on the todo list?
> We have network, and pid, and time.
> What else?

resource (could be limits and/or accounting), 
lightweight-net, (maybe fs in contrast to vfs)

best,
Herbert

> Eric
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