On Wed, Dec 21, 2005 at 10:29:39AM -0600, Serge E. Hallyn wrote:
> Quoting Herbert Poetzl (herbert@13thfloor.at):
> > > - pid and other types of 'isolation' will be extended
> > > to do full virtualization without increasing the
> > > overhead (in cooperation with folks from columbia)
> >
> > (had to add it back :)
> >
> > btw, do you have a version of the pid virtualization
> > patches which already works with linux-vserver?
>
> Hmm, not yet.
>
> Question there is what would be the best way to exploit those
> patches in vserver? I could probably keep the vserver userspace
> unchanged and have the vserver kernel code internally make use
> of the pidspaces. Or I could try to use the pidspace
> containers from the vserver userspace tools, and take all pid
> virtualization out of vserver kernel code. The latter is
> probably the cleaner way to go, except that I'm far less
> familiar with the userspace tools than the kernel code...
what about overlapping the pidspace containers with the
vserver contexts, thus not requiring the userspace to
change in any aspect, and replace the initpid setting by
just starting with pid=1 (e.g. first process becomes init)
might give some issues but should be doable, at least
with Hollow's tools I'd say ...
> > also, do you plan to do a 2.6.15 port this time?
> > (just curious)
>
> Yup. I guess they're on -rc6 right now, so 2.6.15 should be
> out soon. I'm only in one day next week, but it should be
> doable... Hmm, wait, aren't shared subtrees being introduced
> in 2.6.15? That'll probably require baroque changes in
> vserver. Well, we'll see how it goes :)
I'd say, the namespace changes are probably simple, the
memory accounting might cause some issues ...
best,
Herbert
> -serge
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Received on Wed Dec 21 16:42:13 2005