[Devel] Re: [RFC][PATCH 4/6] Initialize struct pid_nr for swapper

[Herbert Poetzl]

On Sun, Mar 11, 2007 at 05:27:59AM -0600, Eric W. Biederman wrote:
> Herbert Poetzl <herbert at 13thfloor.at> writes:
> 
> > On Fri, Mar 09, 2007 at 07:59:24PM -0800, sukadev at us.ibm.com wrote:
> >> 
> >> From: Sukadev Bhattiprolu <sukadev at us.ibm.com>
> >> Subject: [RFC][PATCH 4/6] Initialize struct pid_nr for swapper.
> >> 
> >> Statically initialize a struct pid_nr for the swapper process.
> >
> > does that actually satisfy procfs needs too, or
> > just the abstract internal references?
> >
> > because if it is enough to make procfs happy, this
> > would be a viable solution for the lightweight guest
> > case (as fake init process) too, which doesn't require
> > a blend through functionality anymore, and would allow
> > to make the pid isolation complete without wasting
> > any resources ...
> 
> Herbert I'm not quite certain what you are asking but
> largely I think the answer is yes.  Making procfs work
> on top of something like this patchset is pretty straight
> forward.

okay, then please lets make sure that this actually
works, because I think it might solve most of the
lightweight guest issues the suggested pid spaces
would introduce ...

I tried that some time back, but the procfs really
provides _a lot_ of deep linked details for each
process, and I postponed that approach back then
when I realized that I would have to fill in quite
a lot of static data to make procfs happy (with a
static inizialized fake init)

TIA,
Herbert

> Eric
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