Re: [RFC] Add option to mount only a pids subset

From: Alexey Gladkov
Date: Fri Mar 10 2017 - 18:58:31 EST

On Tue, Mar 07, 2017 at 08:24:12AM -0800, Andy Lutomirski wrote:
> On Mon, Mar 6, 2017 at 3:05 PM, Alexey Gladkov <gladkov.alexey@xxxxxxxxx> wrote:
> >
> > After discussion with Oleg Nesterov I reimplement my patch as an additional
> > option for /proc. This option affects the mountpoint. It means that in one
> > pid namespace it possible to have both the whole traditional /proc and
> > /proc with only pids subset.
> >
> I like this. I think you should split it into two patches, though:
> one that reworks how procfs gets mounted and one that makes adds the
> new functionality.

Sure, but first I wanted to discuss the idea. My patch isn't very useful
without the ability to add additional files.

I will split it into parts in the new version.

Rgrds, legion